200409142004IRP Revised Exhibit 5 Appendices D F.pdf

EXECUTIVE OFFICES
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555 SOUTH COLE ROAD. p,O, BOX 7608 . BOISE, IDAHO 83707 . [phone] . FAX: 377-
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INTERMOUNTAIN GAS COMPANY
September 10 , 2004
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Jean Jewell
Idaho Public Utilities Commission
472 W, Washington S1.
P, 0, Box 83720
Boise, ID 83720-0074
Re: INT-04-
Dear Jean:
Attached for re-filing in the above referenced Case are seven copies of Exhibit No, 5
Appendices D and F, These Appendices , as they were originally filed , contained certain
pages in draft form which was brought to our attention during a recent audit of this Exhibit by
a member of the IPUC Staff,
Please remove and replace the effected Appendices D and F in Exhibit No, 5,
If you have any questions , please call me at [phone],
Thank you,
Sincerely,
:!4/' ~el p. Mc th)
:;tor, Market Services & Regulatory Affairs
MPM/slk
cc: All recipients of Case INT-04-
idaho Public UtiUties Commission
Office of the SecretaryRECEIVED
SEP 1 0 200~
Boise, 'daho
Exhibit No.
REVISED EXHIBIT
Model Results
Base Case
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Rates
Scenario: Design Base Case
April 2004
Year Number of periods
50 # of resources Area Utilization rates by period
Resource Delivered
1 EGP-SU-Sumas
2 EGP-AL-NIT
3 EGP-AL-NIT
4 EGP-ST-Stanfield
5 EGP-NG-N. Green
6 EGP-NG-N, Green
7 EGP-SG-S. Green
EGP-SG-S. Green
EGP-SG-S. Green
EGP-CG-IMG
EGP-CG-IMG
lir,m'NIT13~,BoiseOm ,
Stanfield
Stanfield
~."
Stanfield 0.4
;",," ~
:: ,.h
EST -S. Green
FGP-SU1 Sumas
PGP-Sumas
WGP-Sumas
SGP-Sumas
FGP-Stanfield
PGP-Stanfield
WGP-Stanfield
SGP-Stanfield
PGP-NIT
WGP-NIT
SGP-NIT
PGP-N. Green
WGP-N. Green 0.4 0.4 0.4
SGP-N. Green
PGP-S. Green
WGP-S. Green
SGP-S. Green
PA-Idaho Falls 0.4
SVLNG Sun Valley
I:jri~i.~II.Sumas
.t&1i,~~iAI1'Stanfield
I!il:;t:&tll"'S~~"S. Green
\',
JJ';jt",
;:,
:iTIIBI IMG
IMG
42 FGP-IMG IMG
FB-IMG
MrktSell IMG
IFO Idaho Falls
FGP-NIT NIT
FGP-Stan Stanfield
FGP-Citygate
FGP-SU2 Sumas
BLANK
Year 1
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Rates
Scenario: Design Base Case
April 2004
Year
50 # of resources Area mmbtu Capacity in MMBTUIday by Period
Resource Delivered per day Strg Total
1 EGP-SU-Sumas 500 500 500 500 500 500 500 500 500 500 76,500
2 EGP-AL-NIT 000 000 000 000 000 000 000 000 000 000 000 000 000 000
3 EGP-AL-NIT 500 500 500 500 500 500 500 500 500 500 500 500 500 30,000
4 EGP-ST-Stanfield 10,000 10,000 10,000 10,000 10,000 10,000 000 000 10,000 10,000 90,000
5 EGP-NG-N, Green
",.,,
500 500 500 500 500 500 500 500 500 58,500
6 EGP-NG-N, Green
..".., ..
000 000 12,000 000 000 000 000 000 000 108,000
7 EGP-SG-S. Green 15,000 15,000 15,000 15,000 45,000
8 EGP-SG-S. Green 000 000 000 000 000 000 000 000 000 000 000 000 000 000
9 EGP-SG-S. Green 000 000 000 000 000 000 000 000 000 000 000
EGP-CG-IMG 15,000 000 000 15,000 000 15,000 000 15,000 15,000 15,000 135,000
EGP-CG-IMG 10,000 10,000 10,000 10,000 000 10,000 10,000 10,000 000 10,000 10,000 10,000 10,000 120,000
NIT 18,852 852 18,852 852 18,852 852 18,852 18,852 18,852 847 164 663
13 ;;:
.."
Boise 60,000 54,629 779 630 114 038
14 "Stanfield 15,000 15,000 000 15,000 15,000 000 000 200 1 03 200
15:Stanfield 22,500
16 '
woo
' "'
Stanfield 72,000 72,000 72,000 72,000 189 971 249 160
,...,...."",
EST -S. Green 48,321 48,321 48,321 321 321 321 122 321 48,321 16,188 398 556
FGP-SU1 Sumas 500 500 500 500 500 500 500 500 500 500 500 500 78,000
PGP-Sumas 20,000 392 392 391 392 392 193 28,151
WGP-Sumas 15,000 562 562
SGP-Sumas 10,000 502 000 977 479
FGP-Stanfield
PGP-Stanfield 000 20,000 20,000 20,000 20,000 000 000 120,000
WGP-Stanfield 000 15,000 884 884
SGP-Stanfield 10,000 000 000 10,000 30,000
PGP-NIT 000 20,000 000 000 000 000 000 120 000
WGP-NIT 15,000 15,000 000 108 35,108
SGP-NIT 5 10 000 10,000 000 10,000 30,000
PGP-N. Green
~;!!
071 071 071 071 071 071 36,427
WGP-N. Green 071 071 071 214
SGP-N, Green 000 000 10,000 30,000
PGP-S, Green 4 20,000 037 037 037 037 037 236 16,421
WGP-S. Green 15,000 037 037 000 19,074
SGP-S. Green 000 000 000 10,000 30,000
PA-Idaho Falls 270 270
SVLNG Sun Valley 200
Sumas 4,437 4,437 4,437 4,437 4,437 4,437 4,437 4,437 437 4,437 437 437 4,437 249"0,
" "
Stanfield 205 205 205 205 205 205 205 205 205 205 205 205 205 86,457
.. ,'
S. Green 8;455 8,455 8,455 8,455 8,455 8,455 8,455 8,455 8,455 8,455 8,455 8,455 8,455 101,458
40,:"I!m"IMG 250 250 250 250 250 250 250 250 250 250 250 250 250 000
w,~ ,
=..
IMG 6 55,630 55,630 55,630 630 55,630 55,630 55,630 55,630 55,630 55,630 630 55,630 630 667 560
FGP-IMG IMG
FB-IMG
MrktSell IMG
IFa Idaho Falls 700 588 288
FGP-NIT NIT
FGP-Stan Stanfield 000
FGP-Citygate 000
FGP-SU2 Sumas 000
BLANK ' 0
Totals 430,249 415 017 387,279 325 839 302 621 293,451 281 020 262 142 218,190 162,479 171 977 163 954 3,414 220
Year 1
mmbtu Capacity in MMBTU/day by Period
101 per day Strg Total
Supply by Area Max Avail,Peak Dmd Total
Sumas 69,437 24,829 24,829 24,829 24,829 24,829 20,630 20,000 19,437 19,437 11,439 20,937 12,914 248,941
Stanfield 226,705 124,205 124 205 124,205 80,394 57,176 52,205 45,405 27,089 17,205 17,205 205 17,205 703,702
N, Green 71,955 33,026 33,026 33,026 33,026 33,026 33,026 33,026 33,026 33,026 18,455 18.455 18,455 352,598
S, Green 118,321 60,358 60,358 60,358 60,358 60,358 60,358 60,358 60,358 41 ,188 32,000 32,000 32,000 620,052
NIT 74,352 44,352 352 44,352 44,352 44,352 44,352 39,352 39,352 24,455 15,500 15,500 15,500 415,771
IMG 147,880 880 82,880 880 82,880 82,880 82,880 880 82,880 82,880 67,880 880 880 949,560
Boise 60,000 278,180 629 41,779 630 114,038
Canyon 58,986
Idaho Falls 700 78,470 970 588 558
Sun Valley 200 613
Totals 430,249 430,249 415,017 387 279 325,839 302 621 293 451 281,020 262,142 218,190 162,479 171,977 163,954 3,414,220
This check Model Peak Dmd Res 2 area Res CW area Total ~area Res from Net AT
looks at Peak Day Check darea trtoar(8)trarea(7)tarea(6)trfrar Node
Delivery of Sumas 829 24,829 829
supply,Stanfield 44,352 124,205 168,557 168,557
N. Green 33,026 33,026 33,026
S, Green 60,358 60,358 60,358
NIT 44,352 44,352 44,352
IMG 286,770 82,880 369,650 369,650
Boise 278,180 223,551 54,629 278,180 278,180
Canyon 58,986 986 58,986 58,986
Idaho Falls 78,470 72,500 970 470 78,4 70
Sun Valley 14,613 14,613 14,613 14,613
Totals 430,249 700,772 430,249 131,022 700,772 430 249
fStorageby Periodi
....'......"'
Boise Storage 54,629 779 I 17,630
Canyon Storage
Idaho Falls Storage 970 588
Sun Valley Storage
Year 1
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Volumes
Scenario: Design Base Case
April 2004
Year Flow Capacity in MMBtu Per Period * Number of days in period
50 # of resource Area
Resource Days Totals
1 EGP-SU-Sumas 500 500 000 42,500 68,000 119 000 263,500 238,000 518,500 283 500
2 EGP-AL-NIT 000 000 000 15,000 000 000 93,000 000 183,000 183,000 183,000 276,000 095,000
3 EGP-AL-NIT 500 500 000 500 000 000 500 70,000 152 500 152 500 152 500 230,000 912 500
4 EGP-ST-Stanfield 10,000 10,000 20,000 50,000 80,000 140,000 310 000 280 000 610 000 510,000
5 EGP-NG-N, Green 500 500 000 500 000 000 201 500 182 000 396,500 981 500
6 EGP-NG-N. Green 12,000 12,000 24,000 60,000 96,000 168,000 372 000 336,000 732 000 812,000
7 EGP-SG-S, Green 915,000 915 000 380,000 210,000
8 EGP-SG-S. Green 000 000 000 35,000 56,000 98,000 217 000 196 000 427 000 427 000 427 000 644 000 555,000
9 EGP-SG-S. Green 000 000 000 000 000 000 93,000 000 183 000 453 000
EGP-CG-IMG 15,000 000 30,000 75,000 120 000 210,000 465,000 420,000 915 000 265,000
EGP-CG-IMG 10,000 10,000 20,000 50,000 80,000 140,000 310 000 280,000 610,000 610,000 610 000 920 000 650,000
12 ;~.NIT 18,852 18,852 704 260 150,816 263,928 584,412 527,856 844 654 541 334
...m.
' .
Boise 54,629 779 35,260 131 668
Stanfield 15,000 15,000 000 75,000 120,000 210,000 409,200 874 200
15 :Stanfield
16"Stanfield 72,000 000 144 000 140,944 39,771 468,715
,..
S. Green 48,321 48,321 96,642 241,605 386,567 617 709 1,497 948 352 985 987,438 277 536
FGP-SU1 Sumas 500 500 000 500 000 000 201 500 182 000 396 500 396,500 396,500 598,000 372 500
PGP-Sumas 392 392 783 26,959 43,133 16,698 108,356
WGP-Sumas 17,428 17,428
SGP-Sumas 620 610,000 181 859 822,479
FGP-Stanfield
PGP-Stanfield 20,000 000 40,000 100,000 160,000 280 000 620,000
WGP-Stanfield 465,000 276,757 741 757
SGP-Stanfield 610 000 610,000 920 000 140,000
PGP-NIT 20,000 000 000 100,000 160,000 280 000 620,000
WGP-NIT 465,000 420,000 311 574 196 574
SGP-NIT 610,000 610,000 920 000 140,000
PGP-N. Green 071 071 12,142 30,356 48,570 997 188,207
WGP-N. Green 188,207 169 993 370 343 728,543
SGP-N. Green 610,000 610,000 920,000 140,000
PGP-S. Green 037 037 074 185 16,297 303 121 934
WGP-S. Green 63,150 039 915,000 035,188
SGP-S. Green 610,000 610,000 920 000 140,000
PA-Idaho Falls 270 270
SVLNG Sun Valley
T1&2-Sumas 4,437 4,437 875 22,187 35,499 124 137 560 124,248 270,682 270,682 270,682 408 242 619,657
T1&T2-Stanfield 205 205 14,410 36,024 638 100 867 223,348 201 734 439,491 439,491 439 491 662 839 629 743
T1 & T2-S. Green 8,455 8,455 16,910 274 638 118,367 262 099 236,735 515,743 515,743 515 743 777 842 086,005
T3-IMG IMG 250 250 500 250 18,000 500 750 63,000 137 250 137 250 137 250 207 000 821 250
T 4-IMG IMG 55,630 630 111 260 278 150 445,040 778,820 1 ,724 530 557 640 393,430 393,430 393,430 117 960 20,304 950
FGP-IMG IMG
FB-IMG
MrktSell IMG
IFa Idaho Falls 700 588 288
FGP-NIT NIT
FGP-Stan Stanfield
FGP-Citygate
FGP-SU2 Sumas
BLANK
347,572 333,452 618,605 239,309 797 153 016,635 294 345 156,630 553,009 154 620 734 000 909 859 46,155 188
Year 1
I Volumes
tse Case
Flow Capacity in MMBtu Per Period * Number of days in period
Area
Days Totals
rei Name
1Sum:as 24,829 24,829 49,658 124,146 198,632 288,822 619,988 544,248 185,682 697,802 277,182 188,101 223,920
2 Stanfield 124,205 124 205 248,410 401,968 457,409 730,867 1,407 548 758,490 049,491 049,491 049,491 582,839 984,414
Green 33,026 33,026 66,052 165,130 264,208 462 364 1 ,023,806 924,728 014,586 125,743 125,743 697,842 936,255
5; Gfeen ..60,358 60,358 120,716 301,790 482,864 845,012 871,098 690,024 512,438 952,000 952,000 944,000 14,792,658
NIT.44,352 44,352 88,704 221 760 354,816 620,928 219,912 101,856 1,491,728 945,500 945,500 1,426,000 505,408
(MG 880 880 165,760 414,400 663,040 160,320 569,280 320,640 055,680 140,680 140,680 244,960 27,041,200
BoiSe,54,629 779 35,260 131,668
Canyon
Idat1oFalis 970 588 558
SurrValley
424 279 411 ,429 774 559 629,194 2,420,969 108,313 711,632 339,986 13,309,606 911,217 10,490,597 15,083,743 74,615,523
Year 1
Intermountain Gas IRP
2005-091RP Model
Storage Injection Rates & Volume
Scenario: Design Base Case
April 2004
Year 12 Number of Periods
50 # of resource!:Area Injection Rate by Period
Resource Delivered
1 EGP-SU-Sumas
EGP-AL-NIT
EGP-AL-NIT
EGP-ST-Stanfield
EGP-NG-N. Green
EGP-NG-N, Green
EGP-SG-S. Green
EGP-SG-S. Green
EGP-SG-S. Green
EGP-CG-IMG
EGP-CG-IMG
NIT
Boise
14"Stanfield
Stanfield
Stanfield
17 iI"S. Green
FGP-SU1 Sumas
PGP-Sumas
WGP-Sumas
SGP-Sumas
FGP-Stanfield
PGP-Stanfield
WGP-Stanfield
SGP-Stanfield
PGP-NIT
WGP-NIT
SGP-NIT
PGP-N. Green
WGP-N. Green
SGP-N. Green
PGP-S. Green
WGP-S. Green
SGP-S, Green
PA-Idaho Falls
SVLNG Sun Valley
T1 &2-Sumas
T1 & T2-Stanfield
T1 &T2-S. Green
T3-IMG IMG
T4-IMG IMG
FGP-IMG IMG
FB-IMG
MrktSell IMG
IFO Idaho Falls
FGP-NIT NIT
FGP-Stan Stanfield
FGP-Citygate
FGP-SU2 Sumas
BLANK
Year 1
Intermountain Gas IRP
2005-09 IRP Model
Storage Injection Rates & Volurn
Scenario: Design Base Case
April 2004
Year Injections including in MMBTU per period
50 # of resource!Area Injection Injection Check
Resource Delivered mmbtu days Totals Cost Uitization
1 EGP-SU-Sumas
2 EGP-AL-NIT
3 EGP-AL-NIT
4 EGP-ST-Stanfield
5 EGP-NG-N. Green
6 EGP-NG-N. Green
7 EGP-SG-S. Green
8 EGP-SG-S, Green
9 EGP-SG-S, Green
EGP-CG-IMG
EGP-CG-IMG
12 NIT 923 169,834 945,500 1 ,426,000 541 334 63,533 541 334
wk..13 Boise 800 131 668 131 668 88,218 131,668
; ,
Stanfield 30,084 874 200 874 200 874,200
Stanfield 084
Stanfield 939 216,686 252,029 468,715 262 668 468,715
17 'S. Green 47,649 381,536 952 000 944 000 277 536 130,883 277 ,536
FGP-SU1 Sumas
PGP-Sumas
WGP-Sumas
SGP-Sumas
FGP-Stanfield
PGP-Stanfield
WGP-Stanfield
SGP-Stanfield
PGP-NIT
WGP-NIT
SGP-NIT
PGP-N. Green
WGP-N. Green
SGP-N, Green
PGP-S. Green
WGP-S. Green
SGP-S. Green
PA-Idaho Falls
SVLNG Sun Valley
T1 &2-Sumas
T1 & T2-Stanfield
T1 & T2-S. Green
T3-IMG IMG
T4-IMG IMG
FGP-IMG IMG
FB-IMG
MrktSell IMG
IFa Idaho Falls
FGP-NIT NIT
FGP-Stan Stanfield
FGP-Citygate
FGP-SU2 Sumas
BLANK
Year 1
Intermountain Gas IRP
2005-09 IRP Model
Storage Injection Rates & Volum
Scenario: Design Base Case Case
April 2004 Variable Cost Summary by Res
Year Annual Total
# of resources Area Volume Annual Injection Variable
Resource Delivered mmbtu $/mmbtu Cost Cost
1 EGP-SU-Sumas 283 500 $5.849,602
2 EGP-AL-NIT 095 000 $4.022,807
3 EGP-AL-NIT 912 500 $4.369 085
4 EGP-ST-Stanfield 510 000 $5.058 355
5 EGP-NG-N. Green 981 500 $5.992 556
6 EGP-NG-N. Green 812,000 $5.217 026
7 EGP-SG-S. Green 210,000 $4.13,528,550
8 EGP-SG-S. Green 555,000 $4.664 372
9 EGP-SG-S. Green 453,000 $5.304,257
EGP-CG-IMG 265 000 $5.40 223,433
EGP-CG-IMG 650,000 $4.16,706 188
tl;Wi"
""'
NIT 541 334 $4.$63 533 089 077
..,
~1IL1
.'
om"Boise 131 668 $5.$88,218 687 044,~1rr~-Stanfield 874 200 $4.178 772
\.':
#'Jxrt,
.'.'... ,..., , ~~.
L.'."Stanfield $0.
Stanfield 468,715 $5.$262 668 2,445,754
S. Green 277 536 $4.$130,883 25,303 515
FGP-SU1 Sumas 372 500 $4.11,243,400
PGP-Sumas 108,356 $5.602 241
WGP-Sumas 17,428 $5.44 774
, 21 SGP-Sumas 822,479 $4.3,483,465
FGP-Stanfield $0.
PGP-Stanfield 620,000 $5.328 160
WGP-Stanfield 741 757 $5.885 321
SGP-Stanfield 140 000 $4.190,233
PGP-NIT 620,000 $5.284 760
WGP-NIT 196 574 $5.135,881
SGP-NIT 140 000 $4.061 833
PGP-N. Green 188,207 $5.999 003
WGP-N. Green 728 543 $5.701 105
SGP-N. Green 140,000 $4.019 033
PGP-S. Green 121 934 $5.647 224
WGP-S. Green 035,188 $5.184 068
SGP-S. Green 140 000 $4.019 033
PA-Idaho Falls 270 $8.154
SVLNG Sun Valley $0.
T1 &2-Sumas 619,657 $0.
T1&T2-Stanfield 629 743 $0.
T1&T2-S. Green 086,005 $0.
T3-IMG IMG 821 250 $0.
T 4-IMG IMG 304 950 $0.
FGP-IMG IMG $0.
FB-IMG $0.
MrktSell IMG $0.
IFa Idaho Falls 288 $7.750
FGP-NIT NIT $0.
FGP-Stan Stanfield $0.
FGP-Citvgate $0.
FGP-SU2 Sumas $0.
BLANK $0.
625 082 $2.$545 302 $218 594,829
Year 1
Intermountain Gas IRP
2005-09 IRP Model
Storage Injection Rates & Volum
Scenario' Design Base Case
April 2004 :)urce
Year Total
50 # of resourceE Area Variable Period Period Period Period Period Period Period Period Period Period Period Period
Resource Delivered Cost
1 EGP-SU-Sumas 849,602 $46,563 $46,563 $93,126 $232,815 $372,504 $651,882 $1,422,373 $1,284 724 699,052
2 EGP-AL-NIT 022,807 $15,684 $15,684 $31 368 $78,420 $125,472 $219,576 $478,764 $432,432 $906,857 $819,017 $755,882 143,652
3 EGP-AL-NIT 369,085 $13,573 $13,573 $27,145 $67 863 $108,580 $190,015 $414 548 $374,430 $786 366 $713,166 $660 554 $999 273
EGP-ST-Stanfield 058,355 $54,780 $54 780 $109,560 $273 900 $438,240 $766,920 673,380 511,440 $3,175,355
5 EGP-NG-N. Green 992,556 $33 982 $33,982 $67,964 $169,910 $271,856 $475,748 037,322 $936,936 $1,964 856
6 EGP-NG-N, Green 217,026 $62,736 $62 736 $125,472 $313,680 $501 888 $878,304 915,056 729 728 $3,627,426
7 EGP-SG-S. Green 528,550 $4,076,783 761 108 690,660
EGP-SG-S, Green 11,664 372 $36,526 $36,526 $73,052 $182 630 $292 208 $511 364 114 946 007 048 111 729 898,229 750,914 649,201
EGP-SG-S. Green 304 257 $15 684 $15,684 $31,368 $78,420 $125,472 $219,576 $478,764 $432,432 $906,857
EGP-CG-IMG 223,433 $83 070 $83,070 $166 140 $415 350 $664 560 162,980 537 970 292 360 817 933
EGP-CG-IMG 16,706,188 $52,180 $52,180 $104 360 $260,900 $417,440 $730,520 592 780 $1,438 640 $3,016,755 723,955 513 505 802 973
12 ;NIT 12,152 610 $89,679 $89,679 $179,357 $448,393 $717,429 255,500 780,036 511 000 018,004
13 Boise 775,261 $285,054 $218,004 $183,986
14 'Stanfield 178,772 $71 702 $71 702 $143,403 $358,508 $573,613 003 823 956 021
...
Stanfield
Stanfield 708,422 $375 696 $375 696 $751 392 $735,445 $207 525
, .
S. Green 25,434,398 $231 678 $231,678 $463,356 158,390 853 424 961 649 182 018 $6,486 984 734 340
FGP-SU1 Sumas 243,400 $35,607 $35,607 $71 214 $178,035 $284 856 $498,498 087 697 $982,436 063,981 800 308 673,428 $2,531 733
PGP-Sumas 602 241 $29 969 $29,966 $59,930 $149,837 $239 731 $92 808
WGP-Sumas 774 $94 774
SGP-Sumas 3,483,465 $139 030 574 505 $769,930
FGP-Stanfield
PGP-Stanfield 328 160 $107 360 $107 360 $214 720 $536,800 $858 880 503,040
WGP-Stanfield 885,321 $2,435 670 $1,449,651
SGP-Stanfield 190,233 766 655 556 205 867 373
PGP-NIT 284,760 $105,960 $105,960 $211 920 $529,800 $847 680 $1,483,440
WGP-NIT 135,881 $2,407 770 174 760 553,351
SGP-NIT 061 833 $2,730 055 $2,519,605 $3,812 173
PGP-N. Green 999 003 $32,226 $32,226 $64,452 $161 129 $257 807 $451 162
WGP-N. Green 701 105 $974 536 $880 226 846 344
SGP-N. Green 019,033 717 855 $2,507,405 $3,793 773
PGP-S, Green 647,224 $10,813 $10,813 $21 626 $54,064 $86,503 $463,405
WGP-S. Green 184 068 $326,990 $295 345 561 733
SGP-S. Green 019,033 717 855 507,405 793 773
PA-Idaho Falls 10,154 $10,154
SVLNG Sun Valley
T1 &2-Sumas
T1&T2-Stanfield
T1&T2-S. Green
T3-IMG IMG
T 4-IMG IMG
FGP-IMG IMG
FB-IMG
MrktSeli IMG
IFO Idaho Falls 750 $36 716 $28 033
FGP-NIT NIT
FGP-Stan Stanfield
FGP-Citygate
FGP-SU2 Sumas
BLANK
$219,140,131
Year 1
Intermountain Gas IRP
2005-09 IRP Model
Transport Utilization
Scenario: Design Base Case
April 2004
1 Year
Number of periods Number of Periods
Number of Resources Transport Utilization Rate
Resource From
1 ENWP-Sumas IMG
2 ENWP-Stanfield IMG
3 ENWP-N. Green IMG
4 ENWP-S. Green IMG 0.4
5 EPGT-NIT Stanfield 0.4
6 EPGT-NIT Stanfield
7 ENWP-Stanfield IMG
8 ENWP-JP2 Stanfield IMG
9 ENWP-Stanfield IMG 0.4
EIMG-IMG Boise
ELAT-BOI IMG Boise 0.4
ELA T -CAN IMG Canyon
ELAT-CAN IMG Idaho Falls 0.4 0.4
ELAT-SUN IMG Sun Valley 0.4
FNWP-Sumas IMG
FNWP-Stanfield IMG
FNWP-N. Green IMG
FNWP-S. Green IMG
FPGT -NIT Stanfield
XLA T -CAN IMG Canyon
XLAT-CAN2 IMG Canyon
XLAT-IF1 IMG Idaho Falls
XLAT-IF2 IMG Idaho Falls
XLAT-SUN IMG Sun Valley
FLAT-BOI IMG Boise
FLAT-CAN IMG Canyon
FLAT-IMG Idaho Falls
FLAT-SUN IMG Sun Valley
BLANK
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Year 1
Intermountain Gas IRP
2005-09 IRP Model
Transport Utilization
Scenario: Design Base Case
April 2004
1 Year
Number of periods Transport Transport Capacit by Period in MMBTU Per Day
Number of Resources Capability
Resource From mmbtu/day Arc
1 ENWP-Sumas IMG 146 24,829 24,829 146 829 24,829 20,630 000 19,437 19,437 11,439 20,937 914
2 ENWP-Stanfield IMG 86,800 557 557 557 557 557 557 557 66,441 41,659 29,921 13,653 963
3 ENWP-N. Green IMG 33,026 33,026 33,026 33,026 33,026 026 026 026 026 026 18,455 18,455 18,455
4 ENWP-S. Green IMG 60,358 60,358 60,358 60,358 60,358 358 60,358 60,358 60,358 188 25,745
5 EPGT -NIT Stanfield 158 158 158 158 158 158 158 158 158 769 716
6 EPGT-NIT Stanfield 686 194 194 194 12,194 194 194 194 194 20,686
7 ENWP-Stanfield IMG 15,000 15,000 000 000 000 15,000 000 13,200
8 ENWP-JP2 Stanfield IMG 500
9 ENWP-Stanfield IMG 72,000 000 72,000 72,000 189 971
EIMG-IMG Boise 500,000
ELAT-BOI IMG Boise 315,000 223,551 226,307 232 073 208,984 193 595 187 501 179,120 166 610 137,485 569 73,013 62,417
ELA T -CAN IMG Canyon 59,500 58,986 830 900 196 899 39,612 37,921 256 031 866 15,269 12,692
ELAT-CAN IMG Idaho Falls 69,000 000 69,000 69,000 161 58,543 113 229 270 45,400 35,288 30,213 387
ELAT-SUN IMG Sun Valley 14,400 14,400 14,012 12,919 10,497 584 225 750 006 274 717 431
FNWP-Sumas IMG 000
FNWP-Stanfield IMG 50,000
FNWP-N. Green IMG 50,000
FNWP-S. Green IMG 50,000
FPGT-NIT Stanfield 10,000
XLAT-CAN IMG Canyon 10,500
XLAT-CAN2 IMG Canyon 000
XLAT-IF1 IMG Idaho Falls 500 500 500 757
XLA T -IF2 IMG Idaho Falls 500
XLAT-SUN IMG Sun Valley 000 213 716
FLAT-BOI IMG Boise 50,000
FLAT-CAN IMG Canyon 50,000
FLAT-IMG Idaho Falls 50,000
FLAT-SUN IMG Sun Valley 000
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
700 772 700 771 717 088 613 149 566 714 548 374 518,513 480,757 377 955 251,716 173 970 140,544
Year 1
Intermountain Gas IRP
2005-09 IRP Model
Transport Utilization
Scenario: Design Base Case
April 2004
1 Year
Number of periods Annual
Number of Resources Volume in
Resource From mmbtu
1 ENWP-Sumas IMG 743 550
2 ENWP-Stanfield IMG 528,260
3 ENWP-N, Green IMG 023,806
4 ENWP-S, Green IMG 871 098
5 EPGT-NIT Stanfield 996 898
6 EPGT-NIT Stanfield 378,014
7 ENWP-Stanfield IMG 465,000
8 ENWP-JP2 Stanfield IMG
9 ENWP-Stanfield IMG 468 715
EIMG-IMG Boise
ELAT-BOI IMG Boise 132 705
ELAT-CAN IMG Canyon 324 363
ELAT-CAN IMG Idaho Falls 854 732
ELAT-SUN IMG Sun Valley 312,548
FNWP-Sumas IMG
FNWP-Stanfield IMG
FNWP-N. Green IMG
FNWP-S. Green IMG
FPGT -NIT Stanfield
XLA T -CAN IMG Canyon
XLA T -CAN2 IMG Canyon
XLAT-IF1 IMG Idaho Falls 514
XLAT-IF2 IMG Idaho Falls
XLAT-SUN IMG Sun Valley 213
FLAT-BOI IMG Boise
FLAT-CAN IMG Canyon
FLAT-IMG Idaho Falls
FLAT-SUN IMG Sun Valley
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Year 1
Transport Trans ort Capacit by Period in MMBTU Per Day Annual
Transport Utilization Rate Capability
Volume in
101 mmbtu/day Arc
mmbtu
Area/Node From Area/Node To Peak
ARC#Name Area #Area #ARC # Max Demand
1 Sumas 1 IMG 146 24,829 829 146 829 829 20,630 20,000 19,437 19,437 11,439 20,937 12,914 Pe8k Demand
2 Stanfield 2 IMG 246 300 168,557 168 557 168,557 124,746 101 528 557 757 66,441 41,659 29,921 13,653 963
3 N. Green 31MG 026 33,026 33,026 33,026 026 026 026 026 33,026 33,026 18,455 18,455 18,455
4 S. Green 4 IMG 110,358 60,358 60,358 358 358 358 60,358 358 358 41,188 745
5 NIT 5 Stanfield 62,844 44,352 44,352 44,352 352 352 352 352 352 24,455 12,716
6 IMG 6 Boise 875,500 278 180 223,551 226,307 232,073 208 984 193,595 187,501 179 120 166,610 137,485 569 013 62,417
7 IMG 6 Canyon 119,500 986 58,986 56,830 52,900 44,196 899 612 921 35,256 031 866 269 12,692
81MG 6 Idaho Fa 137,000 78,470 72,500 72,500 757 62,161 543 113 55,229 52,270 45,400 35,288 213 387
9 IMG 6 Sun Vall 66,400 613 613 012 12,919 10,497 584 225 750 006 274 717 2,431 716
Transport Lateral + Storage = Peak Demand 430,249 700,772 700,771 717,088 613 149 566 714 548 374 518,513 480 757 377,955 251 716 173 970 140,544
Storage ~Boise 629 41,779 17,630
Storage Canyon I
Stora e Idaho Falls 970 588
Stora e Sun Valley
Total Boise 278,180 278,180 268,086 249,703 208 984 193,595 187,501 179 120 166 610 137,485 94,569 73,013 62,417
Total Canyon I 58,986 58,986 56,830 52,900 44,196 40,899 612 37,921 256 29,031 866 269 12,692
Total Idaho Falls 470 470 76,088 71,757 62,161 543 57,113 55,229 270 45,400 35,288 213 27,387
Total Sun Valley 14,613 14,613 14,012 12,919 10,497 584 225 750 006 274 717 431 716
430,249 430,249 415 017 387,279 325 839 302,621 293,451 281,020 262,142 218 190 153,440 120 925 104,212
.. -..
From Above TolMG Transport 286,770 286 770 303 087 242,959 219,741 210 571 198,140 179,262 135,310 560 53,045 332
From Above To Laterals Transoort 369,650 369,650 369 650 325,839 302,621 293,451 281 020 262,142 218,190 153.440 120,925 104 212
From Utilization Storace 599 368 17,630
From Above Total Stro & TransDort 430.249 415017 387,279 325.839 302 621 293 451 281 020 262 142 218.190 153440 120925 104212
From Gas Utilization Gas Supply SUDDlv 430.249 415.017 387.279 325 839 302,621 293,451 281,020 262,142 218,190 162.479 171 977 163 954
No Cost ((j) Sumas/SGreen/Stan 1 & T-Supply 20,097 097 20,097 097 20,097 097 20,097 20,097 20,097 097 097 097
IGC own supply SuDPlv 352,272 337,040 309,302 247 862 224,644 215.474 203,043 184,165 140,213 502 000 977
No Cost Gas lID IMG 3 & T-4 SUDDlv 57,880 880 880 880 57,880 880 57,880 57,880 57,880 57,880 880 57,880
From LDC Dist Demand 430249 415017 387.279 325,839 302 621 293 451 281 020 262,142 218190 153,440 120925 102781
Days Volumes below
From Gas Utilization Gas SuDDlv Volume Sur 430 249 415,017 774,559 629,194 2,420 969 108 313 711,632 339,986 13.309,606 911,217 10.490 597 15,083,743 625,082
No Cost~ Sumas/SGreen/Stan 1 & T-Volume Sur 097 097 40,194 100,485 160,776 281 358 623 007 562,716 225,917 225,917 225 917 848 924 335,405
IGC own suDDlv Volume Sur 352 272 337 040 618,605 239,309 797 153 016,635 294,345 156 630 553,009 154,620 734,000 909,859 163,477
No Cost Gas CW IMG 3 & T-Volume Sur 57,880 880 115 760 289,400 463 040 810,320 794,280 620 640 530,680 530,680 530 680 324 960 21,126 200
From LDC Demand 430,249 415,017 774,559 629,194 420 969 108,313 711 632 339 986 13,309,606 359,847 376,411 9,455 846 65,331 629
Storace Injections
551 370 114,186 627 897 293,453
Year 1
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Rates
Scenario: Design Base Case
April 2004
Year Number of periods
# of resources Area Utilization rates by period
Resource Delivered
EGP-SU-Sumas
2 EGP-AL-NIT
3 EGP-AL-NIT
4 EGP-ST-Stanfield
5 EGP-NG-N. Green
6 EGP-NG-N. Green
7 EGP-SG-S. Green
8 EGP-SG-S. Green
9 EGP-SG-S. Green
EGP-CG-IMG
EGP-CG-IMG
12;NIT
Boise
Stanfield 0.4
..,
Stanfield
Stanfield
EST-S. Green
FGP-SU1 Sumas
PGP-Sumas
WGP-Sumas
SGP-Sumas
FGP-Stanfield
PGP-Stanfield
WGP-Stanfield
SGP-Stanfield
PGP-NIT
WGP-NIT
SGP-NIT
PGP-N. Green
WGP-N. Green 0.4
SGP-N. Green
PGP-S. Green
WGP-S. Green
SGP-S. Green
PA-Idaho Falls
SVLNG Sun Valley
Sumas1.. . -~:111;. 'Stanfield
::.~ ,
S. Green
181&1:_)11 IMG8&4....IMG
FGP-IMG IMG
FB-fMG
MrktSell IMG
IFa Idaho Falls
FGP-NIT NIT
FGP-Stan Stanfield
FGP-Citygate
FGP-SU2 Sumas
BLANK
Year 2
mmbtu Capacity in MMBTUIday by Period
101 per day Strg Total
Supply by Area Max Avail,Peak Dmd Total
Sumas 60,000 19,437 19,437 19,437 19,437 19,437 19,437 19,437 19,437 19,437 10,937 20,937 20,937 227 749
Stanfield 214,500 124,205 124,205 124,205 69,155 46,764 40,577 47,205 35,113 28,059 16,952 17,205 17,205 690,848
N, Green 63,500 46,955 33,026 46,955 33,026 46,955 33,026 33,026 26,955 26,955 18,455 216 10,341 369,890
S, Green 118,321 63,321 77 ,250 63,321 77 ,250 62,367 73,263 59,139 58,321 26,188 32,000 000 000 656,419
NIT 69,352 44,352 44,352 352 44,352 352 352 39,352 39,352 347 500 15,500 15,500 425,663
IMG 25,000 84,326 84,326 84,326 84,326 326 84,326 84,326 84,326 84,326 69,326 69,326 69,326 966,917
Boise 60,000 284,270 51,173 028 727 88,928
Canyon 61,265
Idaho Falls 000 942 700 588 11 ,288
Sun Valley 200 993
Totals 441 ,469 441 ,469 417,213 389,323 327,546 304,201 294,981 282,486 263,505 219,312 163,170 169,185 165,310 3,437,702
This check Model Peak Dmd Res 2 area Res (Q2 area Total (?Yarea Res from Net at
looks at Peak Day Check dareal2)trtoar(8)trarea(7)tareal6)trfrar(9)Node
Delivery of 121 Sumas 19,437 19,437 19,437
supply,122 Stanfield 352 124 205 168,557 168,557
123 N. Green 46,955 46,955 46,955
124 S. Green 63,321 63,321 63,321
125 NIT 352 352 352
126 IMG 298,270 84,326 382,596 382,596
127 Boise 284,270 233,097 51,173 284,270 284,270
128 Canyon 61,265 61 ,265 61,265 265
129 Idaho Falls 80,942 73,242 700 80,942 942
130 Sun Valley 14,993 14,993 14,993 14,993
Totals 441 ,469 725 218 441,469 ;!:;';;'/;'l/fiff 725 218 441 ,469
iStorage by Period .
.' "...'... ..., '. ... '
Boise Storace 173 31,028 727
Canyon Storace
Idaho Falls StoraQe 700 588
Sun Valley StoraQe
Year 2
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Volumes
Scenario: Design Base Case
April 2004
Year Flow Capacity in MMBU Per Period Number of days in period
50 # of resource Area
Resource Days Totals
1 EGP-SU-Sumas 500 500 000 42,500 68,000 119,000 263,500 238,000 518,500 283,500
2 EGP-AL-NIT 000 000 000 15,000 000 000 93,000 000 183,000 183,000 183,000 276,000 095,000
3 EGP-AL-NIT 500 500 000 12,500 20,000 000 500 000 152 500 152 500 152 500 230,000 912,500
4 EGP-ST-Stanfield 10,000 10,000 20,000 000 80,000 140,000 310,000 280 000 610,000 510,000
5 EGP-NG-N. Green 500 500 000 32,500 000 000 201 500 182,000 396,500 981 ,500
6 EGP-NG-N. Green 12,000 000 000 60,000 96,000 168 000 372,000 336,000 732 000 812 000
7 EGP-SG-S, Green 915,000 915 000 380 000 210,000
8 EGP-SG-S. Green 000 000 000 35,000 000 000 217 000 196,000 427 000 427,000 427 000 644 000 555 000
9 EGP-SG-S. Green 000 000 000 15,000 000 42,000 93,000 000 183,000 453 000
EGP-CG-IMG 000 15,000 30,000 000 120,000 210 000 465,000 420,000 915,000 265 000
EGP-CG-IMG 10,000 10,000 000 000 80,000 140,000 310,000 280 000 610,000 610,000 610 000 920,000 650,000
12,NIT 18,852 18,852 704 260 150,816 263 928 584,412 527 856 844 654 541 334
13. Boise 173 31,028 13,454 95,655
Stanfield 15,000 15,000 30,000 75,000 76,472 208 465 000 155,807 879,487
,...
Stanfield
16 ~:Stanfield 72,000 72,000 144,000 84,750 372 750
17 ;S. Green 48,321 48,321 96,642 241 605 378,935 620,682 1,497 948 352 985 987 438 272 877
FGP-SU1 Sumas 500 500 13,000 32,500 52,000 000 201 500 182 000 396,500 396 500 396 500 598,000 372 500
PGP-Sumas
WGP-Sumas
SGP-Sumas 610,000 920,000 530,000
FGP-Stanfield
PGP-Stanfield 000 20,000 40,000 100,000 160 000 280,000 620 000
WGP-Stanfield 465,000 345,626 662 114 1,472 740
SGP-Stanfield 594 555 610 000 920,000 124 555
PGP-NIT 20,000 20,000 40,000 100,000 160,000 280 000 620,000
WGP-NIT 465,000 420,000 915,000 800,000
SGP-NIT 610,000 610,000 920 000 140 000
PGP-N. Green 000 071 000 30,356 160,000 84,997 341 ,424
WGP-N. Green 188,207 188 207
SGP-N. Green 610 000 351 440 173,536 134 976
PGP-S. Green 000 18,929 10,001 644 001 264 999 433 574
WGP-S, Green 362 362
SGP-S. Green 610,000 610,000 920 000 140 000
PA-Idaho Falls 000 000
SVLNG Sun Valley
T1&2-Sumas 437 4,437 875 187 35,499 124 137 560 124 248 270,682 270,682 270,682 408 242 619,657
T1 & T2-Stanfield 205 205 14,410 36,024 638 100 867 223 348 201 734 439,491 439,491 439,491 662 839 629 743
T1 & T2-S. Green 8,455 8,455 910 274 67,638 118 367 262 099 236,735 515,743 515 743 515 743 777 842 086 005
T3-IMG IMG 250 250 500 11 ,250 000 500 69,750 000 137 250 137 250 137 250 207 000 821 250
T4-IMG IMG 076 076 114 153 285,382 456,611 799 069 769,368 598,139 3,481 659 3,481 659 481 659 251 027 832 879
FGP-IMG IMG
FB-IMG
MrktSell IMG
IFO Idaho Falls 700 588 288
FGP-NIT NIT
FGP-Stan Stanfield
FGP-Citygate
FGP-SU2 Sumas
BLANK
357 346 334 201 619,800 240 615 798,225 017,813 294 929 154 274 533,206 108,555 5,475 440 901 536 835 940
Year 2
I Volumes
Ise Case
Flow Capacity in MMBU Per Period Number of days in period
Area
Days Totals
rei Name
Sumas 19,437 19,437 38,875 97,187 155,499 272,124 602 560 544,248 185,682 667,182 277,182 926,242 805,657
2StanfiESld.124,205 124,205 248,410 345,774 374,110 568,075 1,463,348 983 166 711 605 034,046 049,491 582,839 609,274
N;Green 46,955 33,026 93,910 165,130 375,638 462,364 023,806 754 735 644,243 125,743 867,183 951,379 544,112
S;Greeri 63,321 77 ,250 126,642 386,249 498,937 025,681 833,310 632,985 597,438.952 000 952 000 944 000 14,089,813
SNIT"352 44,352 88,704 221 760 354 816 620,928 219,912 101,856 095,154 945,500 945,500 1,426,000 108,834
IMG 84,326 84,326 168,653 421,632 674,611 180,569 614,118 361 139 143,909 228,909 228,909 378,027 27,569,129
oise 173 028 13,454 95,655
Canyon
Idaho FaHs 700 588 11 ,288
SOn Valley
433,769 413,625 778,647 637 732 2,433,612 129 741 757 054 378,129 13,378,032 953,381 10,320,266 15,208,487 74,822,474
Year 2
Intermountain Gas IRP
2005-09 IRP Model
Storage Injection Rates & Volume
Scenario: Design Base Case
April 2004
Year 2
Year 12 Number of Periods
50 # of resourcl Area Injection Rate by Period
Resource Delivered
1 EGP-SU-Sumas
2 EGP-AL-NIT
3 EGP-AL-NIT
4 EGP-ST-Stanfield
5 EGP-NG-N, Green
6 EGP-NG-N. Green
7 EGP-SG-S. Green
8 EGP-SG-S, Green
9 EGP-SG-S. Green
EGP-CG-IMG
EGP-CG-IMG
12 ;NIT
1fr JIl Boise 0.4
Stanfield14 '
~.
15 ~Stanfield
Stanfield
17 ;
::::
S. Green
FGP-SU1 Sumas
PGP-Sumas
WGP-Sumas
SGP-Sumas
FGP-Stanfield
PGP-Stanfield
WGP-Stanfield
SGP-Stanfield
PGP-NIT
WGP-NIT
SGP-NIT
PGP-N. Green
WGP-N. Green
SGP-N. Green
PGP-S. Green
WGP-S. Green
SGP-S. Green
PA-Idaho Fall!
SVLNG Sun Valle"
T1 &2-Sumas
T1&T2-Stanfield
T1&T2-S. Green
T3-IMG IMG
T4-IMG IMG
FGP-IMG IMG
FB-IMG
MrktSell IMG
(Fa Idaho Fall
FGP-NIT NIT
FGP-Stan Stanfield
FGP-CG Citvgate
FGP-SU2 Sumas
BLANK
Intermountain Gas IRP
2005-09 IRP Model
Storage Injection Rates & Volu
Scenario: Design Base Case
April 2004
Year Injections including in MMBTU per period
50 # of resourCE Area Injection Injection Check
Resource Delivered mmbtu days Totals Cost Uitization
1 EGP-SU-Sumas
EGP-AL-NIT
EGP-AL-NIT
EGP-ST-Stanfield
EGP-NG-N. Green
EGP-NG-N. Green
EGP-SG-S. Green
EGP-SG-S. Green
EGP-SG-3 S, Green
EGP-CG-IMG
EGP-CG-IMG
12:NIT 26,923 169 834 945,500 426 000 541,334 $ 63,533 541 334
Boise 800 655 655 $ 64,089 95,655
Stanfield 084 879,487 879,487 879 487
,.....
Stanfield 30,084
Stanfield 939 10,367 362 383 372,750 $ 208,889 372 750
'.....
S. Green 47,649 376,877 952 000 944 000 272 877 $130,767 272 877
FGP-SU1 Sumas
PGP-Sumas
WGP-Sumas
SGP-Sumas
FGP-Stanfield
PGP-Stanfield
WGP-Stanfield
SGP-Stanfield
PGP-NIT
WGP-NIT
SGP-NIT
PGP-N. Green
WGP-N. Green
SGP-N. Green
PGP-S. Green
WGP-S. Green
SGP-S. Green
PA-Idaho Fall~
SVLNG Sun Valle\
T1 &2-Sumas
T1&T2-Stanfield
T1&T2-S. Green
T3-IMG IMG
T4-IMG IMG
FGP-IMG IMG
FB-IMG
MrktSell IMG
IFa Idaho Fall
FGP-NIT NIT
FGP-Stan Stanfield
FGP-Citygate
FGP-SU2 Sumas
BLANK
Year 2
Intermountain Gas IRP
2005-09 IRP Model
Variable Cost Summary
Scenario: Design Base Case
April 2004 Variable Cost Summary bv Rese
Year Annual Total
# of resources Volume Annual Injection Variable
Resource mmbtu $/mmbtu Cost Cost
1 EGP-SU-283,500 $4.341,366
2 EGP-AL-095 000 $4.566 318
3 EGP-AL-912 500 $4.988,678
4 EGP-ST-510 000 $4.7,460,430
5 EGP-NG-981 500 $4.554,830
6 EGP-NG-812 000 $4.8,408,916
7 EGP-SG-210,000 $4,895,620
8 EGP-SG-555 000 $4.10,897 607
9 EGP-SG-453 000 $4.102,229
EGP-CG-265,000 $5.326,545
EGP-CG-650 000 $4.15,184 560
::"
541 334 $4.$63,533 1 0 650,733
...."".. ,
95,655 $5.$64 089 445,082
,"'..,
rill:879,487 $4.739,577
..,..
&,11,i::, ..
~,".'
$0.
-- ~i.
:..
~ili1ili
372 750 $5,$208,889 734 408
272 877 $4.$130 767 940 442
FGP-SU1 372 500 $4.40 10,447 262
PGP-$0.
WGP-$0.
SGP-530,000 $3.066 750
FGP-$0.
PGP-620,000 $4,977 860
WGP-1,472 740 $4,787 962
SGP-124 555 $3.8,429 271
PGP-620,000 $4,934 460
WGP-800 000 $4.170,350
SGP-140,000 $3.364 630
PGP-341 ,424 $4.653 516
WGP-188,207 $4.889 372
SGP-134 976 $4.602,339
PGP-433,574 $4.099,798
WGP-362 $4.119,846
SGP-140,000 $4.597 080
PA-000 $7.893
SVLNG $0.
T1&2-619 657 $0.
T1&T2-629 743 $0.
T1 & T2-086,005 $0.
T3-IMG 821 250 $0.
T 4-IMG 20,832 879 $0.
FGP-IMG $0.
FB-$0.
MrktSell $0.
IFO 288 $7.58,969
FGP-NIT $0.
FGP-Stan $0.
FGP-$0.
FGP-SU2 $0.
BLANK $0.
Year 2
Intermountain Gas IRP
2005-09 IRP Model
Variable Cost Summary
Scenario: Design Base Case
April 2004 :)urce
Year Annual Total
50 # of resources Volume Variable Period Period Period Period Period Period Period Period Period Period Period Period
Resource mmbtu Cost
1 EGP-SU-283,500 341 366 $43 036 $43,036 $86,071 $215,178 $344 284 $602,497 316,314 188,929 502,022
2 EGP-AL-095,000 566,318 $13 989 $13 989 $27 978 $69,945 $111,912 $195,846 $427 382 $386,022 $809 867 $744 444 $704 001 060,944
3 EGP-AL-912 500 988,678 $12 160 $12 160 $24 320 $60 800 $97 280 $170,240 $371 729 $335 755 $705,541 $651 023 $617 320 $930,350
4 EGP-ST-510,000 7,460,430 $50,630 $50,630 $101,260 $253,150 $405,040 $708 820 548,605 398,740 $2,943,555
5 EGP-NG-981 500 554,830 $30,960 $30,960 $61,919 $154 798 $247 676 $433,433 $946,143 $854,581 794 361
6 EGP-NG-812,000 8,408,916 $57 156 $57 156 $114 312 $285,780 $457 248 $800 184 $1,746,726 577 688 $3,312 666
7 EGP-SG-210 000 895,620 $3,772,545 638,955 $5,484 120
8 EGP-SG-555,000 897,607 $33,271 $33,271 $66,542 $166,355 $266,168 $465,794 016,754 $918 358 928,119 756,251 693,909 552 816
9 EGP-SG-453,000 102 229 $14,289 $14,289 $28 578 $71 445 $114 312 $200 046 $436 682 $394,422 $828 167
EGP-CG-265,000 326,545 $76,845 $76,845 $153,690 $384 225 $614 760 075,830 350,808 $2,123,310 $4,470,233
EGP-CG-650,000 15,184,560 $46,530 $46,530 $93,060 $232 650 $372,240 $651,420 $1,421 505 283,940 693,455 $2,475,380 340,570 $3,527 280
541,334 10,714,266 $79,009 $79,009 $158 017 $395,044 $632,070 106,122 $2,449,271 $2,212,244 $3,539,947
95,655 509,171 $238,108 $144,374 $62,601
879,487 739,577 $63,780 $63,780 $127,560 $318,900 $325,159 $200,728 $1,977 180 $662 490
372,750 943,297 $335,016 $335,016 $670,032 $394,344
272,877 22,071 209 $201 063 $201 063 $402 127 $1,005,317 $1,576 750 $2,582 658 $6,232 963 $5,629 773 $4,108,729
FGP-SU1 372,500 10,447 262 $32,910 $32 910 $65 819 $164 548 $263 276 $460,733 006,593 $909 181 913 311 654,595 572 916 370,472
PGP-
WGP-
SGP-530 000 066,750 $2,419 870 $3,646 880
FGP-
PGP-620,000 977 860 $96 060 $96,060 $192 120 $480 300 $768,480 344 840
WGP-1,472,740 787 962 $2,178 758 619,431 $2,989 774
SGP-124 555 8,429,271 $2,454,321 $2,383,270 591 680
PGP-620 000 934,460 $94 660 $94 660 $189 320 $473 300 $757 280 325,240
WGP-800,000 170 350 150,858 942 710 076,783
SGP-140,000 364 630 $2,481,480 $2,346,670 536,480
PGP-341,424 653,516 $96,860 $29,403 $193 720 $147 014 $774 880 $411 639
WGP-188,207 889 372 $889,372
SGP-134 976 602 339 515,030 397,676 $689 633
PGP-433,574 099,798 $24 215 $91,674 $48,433 $458,362 $193,726 283,389
WGP-25,362 119 846 $119,846
SGP-140,000 597,080 $2,515 030 $2,425 970 $3,656,080
PA-000 893 $21,893
SVLNG
T1 &2-619,657
T1 & T2-629 743
T1 & T2-086,005
T3-IMG 821 250
T 4-IMG 20,832 879
FGP-IMG
FB-
MrktSell
IFO 288 58,969 $33,438 $25,530
FGP-NIT
FGP-Stan
FGP-
FGP-SU2
BLANK
Year 2
Intermountain Gas IRP
200S..()9 IRP Model
Transport Utilization
Scenario: Design Base Case
April 2004
2 Year
Number of periods 12 Number of Periods
Number of Resources Transport Utilization Rate
Resource From
1 ENWP-Sumas IMG
2 ENWP-Stanfield IMG
3 ENWP-N. Green IMG 0.4
4 ENWP-SG S. Green IMG 0.4 0.4
5 EPGT-NIT Stanfield 0.4 0.4
6 EPGT-NIT Stanfield
7 ENWP-Stanfield IMG 0.4
8 ENWP-JP2 Stanfield IMG
9 ENWP-Stanfield IMG
EIMG-IMG Boise
ELAT-BOI IMG Boise 0.4
ELA T -CAN IMG Canyon 0.2
ELA T -CAN IMG Idaho Fall~0.4 0.4
ELAT -SUN IMG Sun Valley 0.4
FNWP-Sumas IMG
FNWP-Stanfield IMG
FNWP-N. Green IMG
FNWP-S. Green IMG
FPGT-NIT Stanfield
XLAT-CAN IMG Canyon
XLA T -CAN2 IMG Canyon
XLAT-IF1 IMG Idaho Falls
XLAT-IF2 IMG Idaho Fall~
XLAT-SUN IMG Sun Valle~
FLAT -BOI IMG Boise
FLAT-CAN IMG Canyon
FLAT-IMG Idaho Fall~
FLAT-SUN IMG Sun Vallev
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
Year 2
Intermountain Gas IRP
2005-09 IRP Model
Transport Utilization
Scenario: Design Base Case
April 2004
2 Year
Number of periods Transport Transport Capacity b Period in MMBTU Per Day Annual
Number of Resources Capability Volume in
Resource From mmbtu/day Arc mmbtu
1 ENWP-Sumas IMG 146 19,437 19,437 19,437 19,437 19,437 19,437 19,437 19,437 19,437 10,937 20,937 20,937 602,560
2 ENWP-Stanfield IMG 800 81,557 81,557 81,557 81,557 557 557 71,557 68,901 62,406 29,667 17,035 706 528 260
3 ENWP-N, Green IMG 026 026 33,026 33,026 33,026 026 026 33,026 955 26,955 18,455 14,216 341 023 806
4 ENWP-S. Green IMG 358 60,358 358 358 60,358 358 60,358 139 58,321 188 822 871,098
5 EPGT-NIT Stanfield 32,158 32,158 32,158 23,666 32,158 32,158 32,158 32,158 32,158 13,661 12,716 979 914
6 EPGT-NIT Stanfield 686 12,194 12,194 686 12,194 12,194 12,194 194 194 686 394,998
7 ENWP-Stanfield IMG 000 15,000 000 15,000 000 559 372 000 565 258 680
8 ENWP-JP2 Stanfield IMG 22,500
9 ENWP-Stanfield IMG 000 72,000 000 000 950 372,750
EIMG-IMG Boise 500,000
ELAT-BOI IMG Boise 315,000 233 097 237 058 242,976 208,984 193 595 187,501 179,120 166,610 137,485 569 013 62,026 174,807
ELAT-CAN IMG Canyon 500 59,500 026 944 904 42,4 79 41,143 39,386 36,618 30,153 20,633 859 182 373,770
ELA T -CAN IMG Idaho Fall!69,000 000 69,000 69,000 62,161 58,543 113 55,229 52,270 45,400 35,288 30,213 387 854,732
ELAT-SUN IMG Sun Valle 14,400 14,400 012 12,919 10,497 584 225 750 006 274 717 2,431 312 548
FNWP-Sumas IMG 000
FNWP-Stanfield IMG 50,000
FNWP-N. Green IMG 50,000 929 929 929 153,217
FNWP-S. Green IMG 000 963 16,892 963 892 009 12,905 306,981
FPGT -NIT Stanfield 10,000
XLA T -CAN IMG Canyon 10,500
XLA T -CAN2 IMG Canyon 10,000
XLAT-IF1 IMG Idaho Fall 500 500 500 757 514
XLAT-IF2 IMG Idaho Fall!14,500
XLAT -SUN IMG Sun Valle)000 593 716 593
FLAT -BOI IMG Boise 000
FLAT-CAN IMG Canyon 000 765 765
FLAT-IMG Idaho Fall~000 742 742
FLAT-SUN IMG Sun Valle"50,000
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
725 218 725 219 725 219 615,118 568,429 549,989 519,997 482 035 388,644 251,805 173 703 139 296
Year 2
Transport Transport Capacity b Period in MMBTU Per Day Annual
Transport Utilization Rate Capability Volume in
101 111 mmbtu/day Arc mmbtu
Area/Node From Area/Node To Peak
ARC # Name Area #Area #ARC # Max Demand
1 Sumas 1 IMG 146 19.437 19.437 19,437 19.437 19.437 19.437 19.437 19.437 19.437 10,937 20,937 20,937
2 Stanfield 21MG 246,300 168 557 168 557 168,557 113,507 116 929 557 74.465 62.406 29,667 17,035 706
3 N. Greer 3 IMG 026 46,955 026 955 026 46,955 026 33,026 955 955 18.455 14,216 341
4 S. Green 4 IMG 110,358 63,321 77,250 321 77,250 62,367 263 59,139 321 188 822
5 NIT 5 Stanfield 844 44,352 352 352 352 44,352 44,352 352 352 347 12,716
61MG 6 Boise 875,500 284,270 233 097 237 058 242 976 208 984 193,595 187,501 179 120 166 610 137.485 94,569 013 62,026
7 IMG 6 Canyon 119,500 61,265 265 026 944 904 42.479 143 386 618 30,153 633 859 13,182
8 IMG 6 Idaho Fa 137,000 80,942 73,242 72,500 757 161 543 113 55,229 52,270 45,400 288 213 387
91MG 6 Sun Vall 66,400 993 993 012 12,919 10.497 584 225 750 006 274 717 2,431 716
Transport Lateral + Storage = Peak Demand 441 469 725,218 725,219 725 219 615,118 568,429 549 989 519 997 482,035 388 644 251 805 173 703 139296
Storace ((j)Boise 173 028 727
Storage CW Canyon I
Storage Idaho Falls 700 588
Stora e Sun Valley
Total Boise 284.270 284.270 268 086 249 703 208 984 193 595 187,501 179 120 166 610 137,485 94,569 013 62,026
Total Canyon I 61,265 61.265 59,026 54,944 45,904 42,479 143 386 618 153 633 15,859 13,182
Total Idaho Falls 80,942 80,942 088 757 161 543 57,113 229 270 400 288 213 387
Total Sun Valley 14,993 993 012 919 497 584 225 750 006 274 717 431 716
441 ,469 417,213 389 323 327 546 304 201 294 981 282,486 263 505 219 312 154 208 121 515 104 311
.. : .
From Aboye TolMG Transport 298 270 298 270 298 270 243220 219,875 210,655 198,159 179 178 134 986 881 188 985
From Aboye To Laterals ITransport 382,596 382,597 382,597 327,546 304,201 294,981 282,486 263,505 219,312 154,208 121,515 104,311
From Utilization Storace 873 617 727
From Aboye Total Strg & Transport 441 469 417.213 389323 327546 304 201 294 981 282486 263505 219312 154 208 121 515 104311
From Gas Utilization Gas Supply Supply 441 469 417.213 389323 327,546 304 201 294,981 282.486 263,505 219,312 163 170 169 185 165 310
No Cost ((j) Sumas/SGreen/Stan 1 & T-Supply 20,097 20,097 097 20,097 097 097 097 097 097 097 097 097
IGC own supply Supply 362 046 337,790 309 900 248 123 224 778 215 558 203 062 184 081 139 889 83,747 89,761 85,886
No Cost Gas /1I)IMG 3 & T-Supply 326 326 326 326 59,326 326 326 59,326 59,326 59,326 326 326
From LDC Dist Demand 441 469 417 213 389323 327 546 304 201 294 981 282486 263505 219312 154,208 121 515 103271
Days Volumes below
From Gas Utilization Gas Supply Volume Su 441 ,469 417 213 778 647 637,732 2,433 612 129 741 757 054 378 129 13,378,032 953 381 320,266 208,487 833 762
No Cost rm Sumas/SGreen/Stan 1 & T-Volume Su 20,097 097 40,194 100.485 160 776 281 358 623 007 562,716 225,917 225,917 225,917 848 924 335,405
IGC own supply Volume Su 362,046 337 790 619 800 240 615 798,225 017 813 294,929 154,274 533 206 108 555 5.475,440 901 536 844 228
No Cost Gas CW IMG 3 & T-Volume Su 326 326 118 653 296 632 474 611 830,569 839,118 661 139 618,909 618 909 618 909 5,458 027 654,129
From LDC Demand 441 ,469 417 213 778,647 637 732 2.433 612 129 741 757 054 378,129 378,032 9.406,669 7,412.399 500 963 65,671 659
Storace Injections 546,712 907,867 707 525 162 103
Year 2
Intermountain Gas IRP
2005-09 IRP Model
Transport Cost Summary
Scenario: Design Base Case
April 2004
Transport Transport Transport Total
Annual Variable Variable Variable Transport
2 Year Volume Cost Inflation Cost Cost
Resource mmbtu $/mmbtu Factor Nominal $5 Nominal $5
1 ENWP-602 560 $0.036 $22 187 $22 187
2 ENWP-528,260 $0.036 $93,096 $93,096
3 ENWP-023,806 $0,036 $37 699 $37 699
4 ENWP-871 098 $0,036 $68,898 $68 898
5 EPGT -979,914 $0.010 $10 045 $10 045
6 EPGT-394 998 $0.010 $4,049 049
7 ENWP-258 680 $0.030 916 916
8 ENWP-JP2 $0.030
9 ENWP-372 750 $0.030 $11,406 $11,406
EIMG-$0.0001
ELAT-BOI 174 807 $0.0001 $617 $617
ELA T -CAN 373 770 $0.0001 $137 $137
ELAT-CAN 854 732 $0.0001 $185 $185
ELAT-SUN 312 548 $0.0001 $32 $32
FNWP-$0.300
FNWP-$0.300
FNWP-153,217 $0,300 $45 965 $45,965
FNWP-306 981 $0.300 $92 094 $92 094
FPGT -$0.180
XLAT-CAN $0.000150
XLAT-CAN2 $0.0002
XLAT-IF1 514 $0.0002
XLAT-IF2 $0.0002
XLAT-SUN 593 $0,0002
FLAT-BOI $10.000
FLAT-CAN 765 $10,000 $18,001 $18 001
FLAT-742 $10.000 564 564
FLAT-SUN $10,000
BLANK $0,000
BLANK $0.000
BLANK $0.000
BLANK $0,000
BLANK $0,000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0,000
BLANK $0.000
18,221 229 394 329 394 329
Year 2
Year 2
ANNUAL SUMMARY
Total Transport Cost
$394,329
Total Resource Cost
$198,925,974
TotallRP Costs
$199,320,303
PV$s
181,200,276
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Rates
Scenario: Design Base Case
April 2004
Year
50 # of resources
Resource
1 EGP-SU-
2 EGP-AL-
3 EGP-AL-
4 EGP-ST-
5 EGP-NG-
6 EGP-NG-
7 EGP-SG-
8 EGP-SG-
9 EGP-SG-
10 EGP-CG-
11 EGP-CG-
12 :
, ~
' mm,
~"mm
16 ';
, .
17 EST-
18 FGP-SU1
19 PGP-
20 WGP-
21 SGP-
22 FGP-
23 PGP-
24 WGP-
25 SGP-
26 PGP-
27 WGP-
28 SGP-
29 PGP-
30 WGP-
31 SGP-
32 PGP-
33 WGP-
34 SGP-
35 P A-
36 SVLNG
37&1.11111:1
38 -.RfJ
39 B_il~4I
40 ij;'Ii'1\.14~f0.
," ,
41 l_mBJirii
42 FGP-IMG
43 FB-
44 MrktSell
45 IFO
46 FGP-N IT
47 FGP-Stan
48 FGP-
49 FGP-SU2
50 BLANK
Year 3
m ..
Area
Delivered
Sumas
NIT
NIT
Stanfield
N. Green
N. Green
S. Green
S. Green
S. Green
IMG
IMG
NIT
Boise
Stanfield
Stanfield
Stanfield
S. Green
Sumas
Sumas
Sumas
Sumas
Stanfield
Stanfield
Stanfield
Stanfield
NIT
NIT
NIT
N. Green
N. Green
N. Green
S. Green
S. Green
S. Green
Idaho Falls
Sun Valley
Sumas
Stanfield
S. Green
IMG
IMG
IMG
IMG
IMG
Idaho Falls
NIT
Stanfield
Citygate
Sumas
Number of periods
Utilization rates by period
0 1,1 .0 1.0 1.
0 1.0 1.
0 1.0 1.
0 1,0 1.0 1.0 1.0 0.0 0.
0 1.0 1.
0 1.0 1.
0 1.0 1.
0 1.0 1.
0 1.0 1.
0 0.0 0.1 0.1 1.
0 0.0 0.
0 0.0 0.0 0,8 1.
0 1.0 1,
0 0.0 0.
0 0.0 0.
0 0.0 0.
0 0.0 0.
0 1.0 0.
0 0.0 1.0 0.0 0.
0 1.0 0.
0 0.0 1.0 0,0 0.
0 0.5 0.
0 0.0 0.
0 0.0 0.
5 1.0 0.
0 0.0 0.
0 0.0 0.
0 0.0 0.
0 0.0 0.
0 1.0 1.
0 1.0 1.
0 1.0 1.0 1.0 1.
0 1.0 1.
0 0.0 0.
0 0,0 0.
0 0.0 0.
0 0.0 0.
0 1.0 1.
0 1.0 1.
0 0.0 0.
0 0.0 0.0 0.0 0.
0.4
0.4
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Rates
Scenario: Design Base Case
April 2004
Year
50 # of resources
Resource
1 EGP-SU-
2 EGP-AL-
3 EGP-AL-
4 EGP-ST-
5 EGP-NG-
6 EGP-NG-
7 EGP-SG-
8 EGP-SG-
9 EGP-SG-
10 EGP-CG-
11 EGP-CG-12
13 -
15,
17 EST-
18 FGP-SU1
19 PGP-
20 WGP-
21 SGP-
22 FGP-
23 PGP-
24 WGP-
25 SGP-
26 PGP-
27 WGP-
28 SGP-
29 PGP-
30 WGP-
31 SGP-
32 PGP-
33 WGP-
34 SGP-
35 PA-
36 SVLNG
37 "
:.,.~: '
40:..m
;"" '" ,
42 FGP-IMG
43 FB-
44 MrktSell
45 IFO
46 FGP-NIT
47 FGP-Stan
48 FGP-
49 FGP-SU2
50 BLANK
Year 3
Area
Delivered
Sumas
NIT
NIT
Stanfield
N. Green
N. Green
S. Green
S. Green
S. Green
IMG
IMG
NIT
Boise
Stanfield
Stanfield
Stanfield
S. Green
Sumas
Sumas
Sumas
Sumas
Stanfield
Stanfield
Stanfield
Stanfield
NIT
NIT
NIT
N. Green
N. Green
N. Green
S. Green
S. Green
S. Green
Idaho Falls
Sun Valley
Sumas
Stanfield
S. Green
IMG
IMG
IMG
IMG
IMG
Idaho Falls
NIT
Stanfield
Citygate
Sumas
mmbtu
per day
500
000
500
10,000
4 20,000
4 15,000
4 10,0001 0 200
4,4372 7 205
8,4556 2 2506 58 560
:r====!I
2 5,000
6 10,0001 5,000
...,~~. '."
A.....
...
'oo
15,000
000
000
15,000
10,000
18,852
000
15,000
500
000
48,321
20,000
15,000
10,000
20,000
15,000
10,000
20,000
15,000
10,000
, \
Totals
Strg
500
000
500
10,000
500
12,000
000
000
000
10,000
18,852
55,562
15,000
72,000
48,321
500
20,000
20,000
20,000
10,000
4,437
205
8,455
250
58,560
000
000
454 642
500
000
500
10,000
500
12,000
000
000
15,000
10,000
18,852
608
15,000
000
48,321
500
20,000
20,000
20,000
10,000
4,437
205
8,455
250
560
000
000
429,688
500
000
500
10,000
500
12,000
000
000
15,000
10,000
852
886
15,000
72,000
48,321
500
000
20,000
20,000
10,000
4,437
205
8,455
250
58,560
000
000
400,967
500
000
500
10,000
500
12,000
000
000
15,000
10,000
18,852
15,000
10,266
48,321
500
20,000
20,000
20,000
10,000
4,437
205
8,455
250
58,560
000
000
337,347
Capacity in MMBTU/day by Period
500 8,500 8,500000 3,000 3,000500 2,500 2 500
10,000 10,000 10,000
500 6 500 6,500
12,000 12,000 12,000
000 7 000 7,000000 3,000 3,000
000 15 000 15,000
000 10 000 10,000
852 18 852 18,852
225 1 334 15,000
48,321 38,717 48,321500 6,500 6,500
20,000 20 000
0 15,000
20,000 20,000
0 15,000
000 10,000 0 3 865
000 20,000
437 4,437 4,437
205 7 205 7,2058,455 8,455 8,455
250 2 250 2 250
560 58,560 58 560
000 5,000 5,000000 5,000 5 000
313,305 303,810 290,945
500
000
500
10,000
500
12,000
000
000
15,000
10,000
852
816
321
500
502
15,000
4,437
205
8,455
250
560
000
000
271 398
500
000
500
10,000
500
12,000
000
000
15,000
10,000
847
396
500
737
15,000
4,437
205
455
250
560
000
000
225 887
000
500
15,000
000
10,000
500
10,000
10,000
000
155
4,437
205
8,455
250
58,560
000
165,063
000
500
15,000
000
10,000
500
771
10,000
10,000
000
000
437
205
8,455
250
560
000
172 678
000
500
15,000
000
10,000
500
10,000
10,000
000
10,000
4,437
205
8,455
250
58,560
000
169,907
Total
76,500
36,000
30,000
90,000
58,500
108 000
000
000
000
135 000
120,000
164 663
056
86,375
226,266
394 359
78,000
771
120,000
25,239
000
120 000
45,000
000
110 000
865
30,000
001
25,155
53,249
86,457
101,458
000
702 724
000
45,000
535,637
mmbtu Capacity in MMBTUIday by Period
101 per day Strg Total
Supply by Area Max Avail,Peak Dmd Total
Sumas 60,000 19,437 19,437 19,437 19,437 19,437 19,437 19,437 19,437 19,437 10,937 13,708 10,937 210,520
Stanfield 214,500 129,205 129,205 129,205 67,471 43,430 43,539 205 36.522 26,942 205 205 17,205 709,337
N, Green 63,500 46.955 46.955 46,955 46,955 46.955 36,955 30.819 26.955 26,955 18,455 18,455 18,455 411 .822
S, Green 118,321 68,321 321 68,321 68,321 68,321 68,717 321 58.321 27,396 155 000 32.000 645,515
NIT 69,352 49,352 49,352 49,352 49,352 49.352 49,352 352 44.352 39,347 20,500 20.500 20,500 485.663
IMG 25.000 85.810 85,810 85,810 85,810 85,810 85,810 85,810 810 85,810 70,810 70.810 70,810 984 724
Boise 60.000 290,856 55,562 30,608 886 88.056
Canyon 64,468
Idaho Falls 000 83,728
Sun Valley 200 15,590
Totals 454 642 454,642 429,688 400,967 337.347 313,305 303,810 290,945 271.398 225,887 165,063 172,678 169,907 535,637
This check Model Peak Dmd Res 2 area Res (g) area Total auarea Res from Net at
looks at Peak Day Check darea(2)trtoarl8)trarea(7)tareal6)trfrar(9)Node
Delivery of 241 1 Sumas 19,437 19,437 19,437
supply,242 2 Stanfield 49,352 129,205 178,557 178,557
243 3 N. Green 46,955 46,955 46,955
244 S. Green 68,321 68,321 68,321
245 5 NIT 49,352 49,352 49,352
246 IMG 313.270 85,810 399,081 399,081
247 Boise 290,856 235,294 55,562 290.856 290.856
248 Canyon 64,468 64,468 64,468 64,468
249 Idaho Falls 83,728 83,728 83,728 83.728
250 Sun Valley 15,590 15.590 15,590 15,590
Totals 454,642 761 703 454 642 ::::/:::!f::/:761 703 454,642
iStorage by Period
" .. ..
Boise StoraQe 55.562 30,608 886
Canyon StoraQe
Idaho Falls StoraQe
Sun Valley StoraQe
Year 3
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Volumes
Scenario: Design Base Case
April 2004
Year Flow Capacity in MMBU Per Period Number of days in period
~50 # of resource Area
Resource Days Totals
1 EGP-SU-Sumas 500 500 17,000 500 68,000 119,000 263,500 238,000 518,500 1 ,283 500
2 EGP-AL-NIT 000 000 000 15,000 000 000 93,000 000 183,000 183,000 183,000 276 000 095,000
3 EGP-AL-NIT 500 500 000 12,500 20,000 35,000 77,500 70,000 152,500 152,500 152 500 230 000 912,500
4 EGP-ST -Stanfield 10,000 000 000 50,000 80,000 140 000 310,000 280 000 610,000 510,000
5 EGP-NG-N. Green 500 500 13,000 500 000 000 201 500 182 000 396,500 981 500
6 EGP-NG-N. Green 12,000 12,000 000 60,000 96,000 168 000 372 000 336,000 732,000 812,000
7 EGP-SG-S. Green 915 000 915 000 380,000 210,000
8 EGP-SG-S. Green 000 000 000 35,000 000 000 217 000 196 000 427 000 427,000 427,000 644 000 555 000
9 EGP-SG-S. Green 000 000 000 15,000 000 000 93,000 000 183,000 453,000
EGP-CG-IMG 15,000 15,000 30,000 75,000 120,000 210 000 465,000 420,000 915,000 265 000
EGP-CG-IMG 10,000 10,000 20,000 50,000 80,000 140,000 310,000 280,000 610,000 610,000 610,000 920 000 650,000
12~NIT 852 18,852 704 260 150 816 263 928 584 412 527 856 844 654 541 334
13:, 'Boise 55,562 30,608 772 89,942
14;
.. ,
Stanfield 15,000 15,000 30,000 75,000 800 18,676 465,000 246,844 875 319
15 "Stanfieldc,,'
Stanfield 72,000 000 144 000 330 339,330
17' S. Green 48,321 48,321 96,642 241,605 386,567 542 037 497 948 352 985 061 127 275,554
FGP-SU1 Sumas 500 500 13,000 32,500 52,000 000 201 500 182,000 396,500 396,500 396,500 598 000 372,500
PGP-Sumas
WGP-Sumas
SGP-Sumas 169,017 169 017
FGP-Stanfield
PGP-Stanfield 000 20,000 40,000 100,000 160,000 280 000 620,000
WGP-Stanfield 465,000 154 045 288,965 908,010
SGP-Stanfield 610,000 610,000 920,000 140,000
PGP-NIT 000 20,000 40,000 100,000 160,000 280 000 620 000
WGP-NIT 465,000 420 000 915 000 800,000
SGP-NIT 610,000 610,000 920,000 140,000
PGP-N. Green 000 000 000 100,000 160,000 140,003 480 003
WGP-N. Green 119,801 119 801
SGP-N. Green 610 000 610,000 920 000 140 000
PGP-S. Green 000 10,000 20,001 50,002 999 280,000 450,001
WGP-S. Green
SGP-S. Green 314,474 610,000 920 000 844,474
PA-Idaho Falls
SVLNG Sun Valley
T1 &2-Sumas 4,437 4,437 875 187 35,499 124 137,560 124 248 270 682 270,682 270 682 408 242 619,657
T1 & T2-Stanfield 205 205 14,410 36,024 638 100,867 223,348 201 734 439,491 439,491 439,491 662,839 629 743
T1 & T2-S. Green 8,455 8,455 910 42,274 638 118,367 262 099 236 735 515 743 515,743 515 743 777 842 086,005
T3-IMG IMG 250 250 500 250 18,000 31 ,500 750 63,000 137 250 137 250 137,250 207 000 821 250
T 4-IMG IMG 58,560 58,560 117 121 292,802 468,483 819 845 815,371 639,690 572,182 572 182 572,182 387,554 374 534
FGP-IMG IMG
FB-IMG
MrktSell IMG
(FO Idaho Falls
FGP-NIT NIT 000 000 10,000 25,000 40,000 70,000 155,000 140,000 305,000 305,000 305,000 460,000 825 000
FGP-Stan Stanfield 000 000 000 000 000 000 155,000 140,000 305 000 755,000
FGP.Citygate
FGP-SU2 Sumas
BLANK
363,735 338,781 620 118 1 ,232 196 779,182 980,644 201 161 053,731 233 746 828,474 293,017 728,000 652 785
Year 3
I Volumes
Ise Case
Flow Capacity in MMBU Per Period Number of days in period
Area
Days Totals
rei:Name
Sumas 19,437 19,437 38,875 97,187 155,499 272 124 602,560 544,248 185,682 667,182 836,199 006,242 5,444 674
Stanfield:' '
' "
129,205 129,205 258,410 337,354 347,438 609,543 618,348 022,623 643,456 049,491 049,491 582,839 777,402
N;Gre&!1 '
" ",
46,955 955 93,910 234,774 375,638 517,370 955,400 754,735 1 ,644,243 125,743 125,743 697,842 619,309
S:Greenu '68,321 68,321 136,642 341 ,606 546,566 962 037 807,948 632,985 671,127 656,474 952,000 944,000 13,788,029
NIT n ,49,352 49,352 98,704 246,760 394 816 690,928 1 ,374,912 1 ,241 ,856 2,400,154 250,500 250,500 886,000 10,933,834
lMG 85,810 85,810 171,621 429,052 686,483 201,345 660,121 2,402 690 234,432 319,432 319,432 514 554 28,110,784
BOise"55,562 30,608 772 89,942
Canyon
Idaho Falls"
Son Valley
454,642 429,688 801,933 686,733 506,441 253,347 019,290 599,137 13,779,096 10,068,823 10,533,366 15,631,478 76,763,973
Year 3
Intermountain Gas IRP
2005-091RP Model
Storage Injection Rates & Volume
Scenario: Design Base Case
April 2004
Year 3
Year 12 Number of Periods
50 # of resource Area Injection Rate by Period
Resource Delivered
1 EGP-SU-Sumas
2 EGP-AL-NIT
3 EGP-AL-NIT
4 EGP-ST-Stanfield
5 EGP-NG-N. Green
6 EGP-NG-N. Green
7 EGP-SG-S. Green
8 EGP-SG-S. Green
9 EGP-SG-S. Green
EGP-CG-IMG
EGP-CG-IMG
NIT 0.4
13;
,..,
Boise
14
:,.
Stanfield
15 'Stanfield
Stanfield
",,"
S, Green
FGP-SU1 Sumas
PGP-Sumas
WGP-Sumas
SGP-Sumas
FGP-Stanfield
PGP-Stanfield
WGP-Stanfield
SGP-Stanfield
PGP-NIT
WGP-NIT
SGP-NIT
PGP-N. Green
WGP-N, Green
SGP-N. Green
PGP-S. Green
WGP-S. Green
SGP-S. Green
PA-Idaho Fall
SVLNG Sun Valle"
T1 &2-Sumas
T1&T2-Stanfield
T1&T2-S, Green
T3-IMG IMG
T4-IMG IMG
FGP-IMG IMG
FB-IMG
MrktSell IMG
(Fa Idaho Fall
FGP-NIT NIT
FGP-Stan Stanfield
FGP-Citvgate
FGP-SU2 Sumas
BLANK
Intermountain Gas IRP
2005-09 IRP Model
Storage Injection Rates & Volu
Scenario: Design Base Case
April 2004
Year Injections including in MMBTU per period
50 # of resourcl Area Injection Injection Check
Resource Delivered mmbtu days Totals Cost Uitization
1 EGP-SU-Sumas
2 EGP-AL-NIT
3 EGP-AL-NIT
4 EGP-ST-Stanfield
5 EGP-NG-N. Green
6 EGP-NG-N. Green
7 EGP-SG-S. Green
8 EGP-SG-S. Green
9 EGP-SG-S. Green
EGP-CG-IMG
EGP-CG-IMG
12:'NIT 26,923 655,334 886,000 541 334 $ 63 533 541 334
0,,
.'.
Boise 800 89.942 89,942 $ 60,261 89,942
14 :Stanfield 30,084 200 569 674 751 875,319 875,319
Stanfield 084
Stanfield 939 339,330 339,330 $190,160 339,330
17 "S. Green 47,649 379,554 952 000 944 000 275,554 $130 834 275,554
FGP-SU1 Sumas
PGP-Sumas
WGP-Sumas
SGP-Sumas
FGP-Stanfield
PGP-Stanfield
WGP-Stanfield
SGP-Stanfield
PGP-NIT
WGP-NIT
SGP-NIT
PGP-N. Green
WGP-N. Green
SGP-N. Green
PGP-S. Green
WGP-S. Green
SGP-S. Green
PA-Idaho Fall
SVLNG Sun Valle\
T1 &2-Sumas
T1&T2-Stanfield
T1&T2-S, Green
T3-IMG IMG
T4-IMG IMG
FGP-IMG IMG
FB-IMG
MrktSell IMG
IFa Idaho Fall
FGP-NIT NIT
FGP-Stan Stanfield
FGP-Citygate
FGP-SU2 Sumas
BLANK
Year 3
Intermountain Gas IRP
2005-09 IRP Model
Variable Cost Summary
Scenario: Design Base Case
April 2004 Variable Cost Summary by Rest
Year Annual Total
# of resources Volume Annual Injection Variable
Resource mmbtu $/mmbtu Cost Cost
1 EGP-SU-283,500 $4,082,137
2 EGP-AL-095,000 $3.371 267
3 EGP-AL-912 500 $4.826,135
4 EGP-ST-510,000 $4.155,455
5 EGP-NG-981,500 $4.42 336 966
6 EGP-NG-812,000 $4.42 006,706
7 EGP-SG-210,000 $3.339,503
8 EGP-SG-555,000 $4.10,403,463
9 EGP-SG-453,000 $4.42 001 677
EGP-CG-265,000 $4.10,869,083
EGP-CG-650,000 $3,534 390
III
",,
541 334 $3.$63,533 895,956
:J i;" "89,942 $5.$60,261 397 363
" "
875 319 $3.3,488 148
.c:.
" '
$0.
339,330 $4.$190,160 1,499 159
275 554 $4.$130 834 181 348
18 FGP-SU1 372 500 $4.10,103,529
PGP-$0.
WGP-$0.
SGP-169 017 $3.658 659
FGP-$0.
PGP-620 000 $4.832 160
WGP-908 010 $4,974 742
SGP-140 000 $3.223,335
PGP-620,000 $4.788,760
WGP-800,000 $4.708,913
SGP-140,000 $3.094 935
PGP-480,003 $4.226,252
WGP-119,801 $4,539,763
SGP-140,000 $3.226 335
PGP-450,001 $4.087 106
WGP-$0.
SGP-844,474 $3.067 726
PA-$0.
SVLNG $0.
T1&2-619,657 $0.
T1 & T2-629 743 $0.
T1 & T2-086 005 $0,
T3-IMG 821 250 $0.
T 4-IMG 374,534 $0.
FGP-IMG $0,
FB-$0.
MrktSell $0,
IFa $0.
FGP-NIT 825 000 $4.303,695
FGP-Stan 755,000 $4.253,078
FGP-$0.
FGP-SU2 $0.
BLANK $0.
Year 3
Intermountain Gas IRP
2005-09 IRP Model
Variable Cost Summary
Scenario. Design Base Case
April 2004 :)urce
Year Annual Total
50 # of resources Volume Variable Period Period Period Period Period Period Period Period Period Period Period Period
Resource mmbtu Cost
1 EGP-SU-283,500 082,137 $41 ,463 $41 ,463 $82 926 $207,315 $331 704 $580,482 263,614 141 329 $2,391,841
2 EGP-AL-095,000 371 267 $13 284 $13,284 $26,568 $66,420 $106 272 $185,976 $404 132 $365 022 $761 829 $700,982 $687 531 039,968
3 EGP-AL-912 500 826,135 $11,573 $11,573 $23,145 $57 863 $92 580 $162 015 $352 354 $318 255 $665 510 $614 804 $603 595 $912 870
4 EGP-ST-510,000 155,455 $48 780 $48,780 $97 560 $243,900 $390,240 $682,920 $1,486,605 $1,342 740 $2,813,930
5 EGP-NG-981 500 336 966 $29,627 $29,627 $59,254 $148,135 $237 016 $414 778 $901 813 $814 541 $1,702 175
6 EGP-NG-812,000 006,706 $54 696 $54 696 $109,392 $273,480 $437 568 $765,744 664 886 503 768 142,476
7 EGP-SG-210 000 12,339 503 $3,587 258 $3,483,405 $5,268,840
8 EGP-SG-555,000 10,403,463 $31,836 $31 836 $63,672 $159,180 $254 688 $445,704 $969,014 $875 238 828,841 669,784 621,319 $2,452,352
9 EGP-SG-453,000 001 677 $13,674 $13,674 $27 348 $68 370 $109,392 $191,436 $416,222 $375 942 $785,619
EGP-CG-265,000 10,869,083 $74,070 $74 070 $148,140 $370 350 $592 560 036,980 257 808 039,310 275,795
EGP-CG-650,000 14,534,390 $44 180 $44,180 $88,360 $220,900 $353,440 $618,520 344,005 213,940 $2,533,330 330,505 $2,285 670 $3,457,360
541 334 959,490 $73,410 $73,410 $146 819 $367,048 $587,278 027 736 275,700 055,471 $3,289,084
89,942 457 624 $245,473 $135,226 $16,665
875,319 3,488,148 $59,775 $59,775 $119,550 $298,875 $39,051 $74,423 $1,853,025 $983 673
" ...
339,330 689,320 $318,096 $318,096 $636,192 $226,775
275,554 21,312 181 $194 008 $194,008 $388,017 $970,042 552,068 176,279 $6,014,262 $5,432 237 260,426
FGP-SU1 372 500 10,103,529 $31 707 $31,707 $63 414 $158 535 $253 656 $443,898 $966,293 $872 781 829 055 570 338 545,161 336,984
PGP-
WGP-
SGP-169,017 658,659 $658,659
FGP-
PGP-620,000 832,160 $91,360 $91 360 $182 720 $456,800 $730 880 279,040
WGP-908,010 974 742 062 508 $683 267 228,967
SGP-140 000 223 335 373,205 $2,328 370 521 760
PGP-620,000 788,760 $89,960 $89,960 $179,920 $449,800 $719 680 259,440
WGP-800,000 708,913 $2,034,608 837 710 836,595
SGP-140,000 094,935 $2,336,605 291 770 $3,466,560
PGP-480,003 226 252 $92 760 $92 760 $185,520 $463,800 $742 080 $649,332
WGP-119,801 539,763 $539 763
SGP-140,000 226,335 $2,391 505 322,270 $3,512,560
PGP-450,001 087 106 $46 381 $46 380 $92 763 $231 907 $371 034 298,640
WGP-
SGP-844,474 067 726 232,896 322 270 $3,512 560
PA-
SVLNG
T1&2-619,657
T1 & T2-629,743
T1 & T2-086,005
T3-IMG 821 250
T 4-IMG 21,374 534
FGP-IMG
FB-
MrktSell
IFa
FGP-NIT 825 000 303 695 $22 190 $22 190 $44 380 $110,950 $177 520 $310 660 $675,103 $609,770 272 765 171 353 148 935 737,880
FGP-Stan 755,000 253,078 $22 240 $22 240 $44,480 $111 200 $177 920 $311,360 $676 653 $611 170 275 815
FGP-
FGP-SU2
BLANK
Year 3
Intermountain Gas IRP
2005-09 IRP Model
Transport Utilization
Scenario: Design Base Case
April 2004
3 Year
Number of periods Number of Periods
Number of Resources Transport Utilization Rate
Resource From
1 ENWP-Sumas IMG
2 ENWP-Stanfield IMG 0.4
3 ENWP-N. Green IMG
4 ENWP-S. Green IMG
5 EPGT -NIT Stanfield
6 EPGT-NIT Stanfield
7 ENWP-Stanfield IMG
8 ENWP-JP2 Stanfield IMG
9 ENWP-Stanfield IMG
EIMG-IMG Boise
ELAT-BOI IMG Boise 0.4
ELA T -CAN IMG Canyon 0.4
ELAT-CAN IMG Idaho Falls 0.4
ELA T -SUN IMG Sun Valley
FNWP-Sumas IMG
FNWP-Stanfield IMG
FNWP-N. Green IMG
FNWP-S. Green IMG
FPGT-NIT Stanfield
XLA T -CAN IMG Canyon
XLA T -CAN2 IMG Canyon
XLAT-IF1 IMG Idaho Falls
XLAT-IF2 IMG Idaho Falls 0.4
XLAT-SUN IMG Sun Valley
FLAT-BOI IMG Boise
FLAT-CAN IMG Canyon
FLAT-IMG Idaho Falls
FLAT-SUN IMG Sun Valley
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
Year 3
Intermountain Gas IRP
2005-09 IRP Model
Transport Utilization
Scenario: Design Base Case
April 2004
3 Year
Number of periods Transport Transport Capacity by Period in MMBTU Per Day Annual
Number of Resources Capability Volume in
Resource From mmbtu/day Arc mmbtu
1 ENWP-Sumas IMG 146 19,437 437 19,437 19,437 19,437 19,437 19,437 19,437 19,437 937 708 10,937 602,560
2 ENWP-Stanfield IMG 86,800 800 86,800 86,800 86,800 86,800 86,800 81,557 72,058 66,289 37,705 23,674 182 690,800
3 ENWP-N. Green IMG 33,026 026 026 33,026 026 33,026 33,026 30,819 955 955 18,455 18,455 455 023 806
4 ENWP-S. Green IMG 358 358 60,358 60,358 60,358 358 358 58,321 58,321 396 933 871 098
5 EPGT-NIT Stanfield 32,158 32,158 32,158 32,158 158 158 32,158 158 32,158 32,158 20,500 757 996 898
6 EPGT -NIT Stanfield 686 194 17,194 17,194 17,194 17,194 17,194 194 12,194 189 533,014
7 ENWP-Stanfield IMG 15,000 15,000 000 15,000 000 225 334 15,000 816 163,475
8 ENWP-JP2 Stanfield IMG 22,500
9 ENWP-Stanfield IMG 72,000 72,000 000 72,000 266 339,330
EIMG-IMG Boise 500 000
ELAT-BOI IMG Boise 315 000 235 294 243,690 253,603 213,826 198,081 191,845 183 270 170,470 140 670 96,760 179 62,399 325,795
ELA T -CAN IMG Canyon 59,500 500 59,500 57,817 304 44,701 294 41,445 533 31,730 712 16,688 871 439,881
ELAT-CAN IMG Idaho Fall!69,000 000 000 69,000 301 558 079 57,131 54,069 963 36,503 31,253 28,330 909,082
ELAT-SUN IMG Sun Valley 400 14,400 400 433 10,915 965 592 099 325 524 865 528 324,253
FNWP-Sumas IMG 50,000
FNWP-Stanfield IMG 50,000 757 757 757 757 757 757 147,460
FNWP-N. Green IMG 000 13,929 929 929 13,929 13,929 929 291,796
FNWP-S. Green IMG 50,000 963 963 963 963 963 359 252,396
FPGT-NIT Stanfield 10,000
XLAT-CAN IMG Canyon 10,500
XLA T -CAN2 IMG Canyon 10,000 968 612 581
XLAT-IF1 IMG Idaho Fall 500 228 228
XLAT-IF2 IMG Idaho Fall 500 500 708 227 34,662
XLA T -SUN IMG Sun Valley 000 190 170 785 360
FLAT-BOI IMG Boise 000
FLAT-CAN IMG Canyon 000
FLAT-IMG Idaho Fall!000
FLAT-SUN IMG Sun Valley 000
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
761 703 761,702 761,703 638 235 590,152 571 163 540,431 501 337 405 310 267,371 192,240 141 959
Year 3
Transport Transport Capacity by Period in MMBTU Per Day Annual
Transoort Utilization Rate Capability Volume in
101 111 mmbtu/day Arc mmbtu
Area/Node From Area/Node To Peak
ARC#Name Area #Area #ARC # Max Demand
1 Sumas 1 IMG 91,146 437 19,437 19,437 19,437 19,437 19,437 19,437 437 437 937 708 937
2 Stanfield 2 IMG 246,300 178,557 178,557 178 557 116,823 92,782 92,891 557 874 66,289 37,705 23,674 182
3 N. Green 31MG 026 955 955 46,955 46,955 955 955 30,819 955 955 18,455 18,455 18,455
4 S. Green 41MG 110 358 321 321 68,321 321 321 68,717 58,321 58,321 396 933
5 NIT 5 Stanfield 844 352 352 49,352 49,352 352 352 352 352 347 20,500 757
61MG 6 Boise 875,500 290,856 235 294 243,690 253,603 213 826 198 081 191,845 183,270 170,470 140,670 760 179 399
71MG 6 Canyon 119,500 468 64,468 112 817 48,304 701 43,294 41,445 533 730 21,712 16,688 871
81MG 6 Idaho Fa 137,000 728 83,728 708 227 301 60,558 59,079 57,131 54,069 963 503 31,253 28,330
91MG 6 Sun Vall 66,400 590 15,590 570 13,433 10,915 965 592 099 325 524 865 528 785
Transport Lateral + Storage = Peak Demand 454,642 761,703 761 702 761 703 638 235 590,152 571,163 540,431 501,337 405 310 267 371 192,240 141 959
Storace ~
Storaae ~
Storage ~
Stora e ((i!
Total
Total
Total
Total
Boise I
Canyon I
Idaho Falls
Sun Valley
Boise I
Canyon I
Idaho Falls
Sun Valley
55,562
Volumes below
290,856 290 856
64,468 64 468
83,728 83,728
15,590 15,590
.. ;
~54,642
To IMG Transport 313,270
To LateralslTransport 399,081Storaae I 55,562
Total Stro & Transport 454 642
Gas SuDDlv Supply 454 642
1 & T-Supply 20,097SuDDlv 373,735
3 & T -4 SuDety 60,810Dist Demand 454,642
454,642
20,097
373,735
60,810
454 642
From Above
From Above
From Utilization
From Above
From Gas Utilization
No Cost ((j) Sumas/SGreenlStan
IGC own suDDlv
No Cost Gas ((j) IMG
From LDC
Days
From Gas Utilization
No Cost au Sumas/SGreenlStan
IGC own supply
No Cost Gas (Q) IMG
From LDC
Storace Iniections
Gas SUDelv Volume Sue
1 & T-Volume Sue
Volume SUIJ
3 & T-4 Volume Sup
Demand
Year 3
608
274,297
62,112
78,708
14,570
429,688
313 270
399,080
30,608
429688
429688
097
348 781
810
429688
429 688
097
348 781
60,810
429,688
255 488
57,817
74,227
13,433
400,967
313,270
399,081
886
400.967
400.967
20,097
320 059
60,810
400.967
801 933
194
640 118
121 621
801 933
886
213 826
48,304
301
915
337 347
251 536
337 347
337 347
337,347
20,097
256,439
60,810
337 347
686,733
100,485
282,196
304 052
686,733
198,081
44,701
60,558
965
313,305
227,495
313,305
313305
313,305
20,097
232,398
60,810
313 305
506,441
160 776
859 182
486,483
506,441
191,845
43,294
079
592
303 810
218 000
303,810
303.810
303,810
20,097
222,903
810
303,810
253,347
281,358
120,644
851,345
253 347
183,270
41,445
57,131
099
290,945
205 134
290,945
290945
290 945
097
210 037
60,810
290945
019,290
623,007
511,161
885 121
019 290
170 470
38,533
54,069
325
271 398
185,587
271,398
271 398
271,398
20,097
190,490
60,810
271 398
599 137
562,716
333 731
702,690
599,137
140,670
31,730
46,963
524
225,887
140,076
225,887
225.887
225 887
097
144 979
60,810
225887
779,096
225,917
843,746
709,432
13,779 096
760
21,712
503
865
158 840
88,030
158 840
158840
165,063
20,097
84,155
810
158840
10,068,823
225,917
133,474
709,432
689,270
379,554
179
16,688
31,253
528
126 647
55,837
126,647
126 647
172,678
20,097
91,771
810
125 172
533 366
225,917
598 017
709,432
635,521
897 845
62,399
13,871
330
785
106,385
574
106,385
106385
169 907
20,097
000
60,810
106385
15,631,478
848 924
188,000
594 554
787,397
844,080
763 973
335 405
232,785
22,195,784
67,642,494
121,479
Intermountain Gas IRP
2005-09 IRP Model
Transport Cost Summary
Scenario: Design Base Case
April 2004
Transport Transport Transport Total
Annual Variable Variable Variable Transport
3 Year Volume Cost Inflation Cost Cost
Resource mmbtu $/mmbtu Factor Nominal $5 Nominal $5
1 ENWP-602,560 $0.036 $22 631 $22 631
2 ENWP-690 800 $0.036 $101 062 $101 062
3 ENWP-023 806 $0.036 $38,453 $38,453
4 ENWP-871 098 $0.036 $70,276 $70 276
5 EPGT-996 898 $0.010 $10,424 $10,424
6 EPGT-533 014 $0.010 $5,573 573
7 ENWP-163,475 $0.030 $5,102 $5,102
8 ENWP-JP2 $0.030
9 ENWP-339 330 $0.030 $10 591 $10,591
EIMG-$0.0001
ELAT-BOI 325,795 $0.0001 $633 $633
ELAT-CAN 1,439,881 $0.0001 $144 $144
ELAT-CAN 909,082 $0.0001 $191 $191
ELAT-SUN 324 253 $0.0001 $34 $34
FNWP-$0.300
FNWP-147,460 $0.300 $44 238 $44 238
FNWP-291 796 $0.300 $87 539 $87 539
FNWP-252 396 $0.300 $75,719 $75,719
FPGT-$0.180
XLA T -CAN $0.000150
XLAT-CAN2 581 $0.0002
XLAT-IF1 228 $0.0002
XLAT-IF2 662 $0.0002
XLAT-SUN 360 $0.0002
FLAT-BOI $10.000
FLAT-CAN $10.000
FLAT-$10.000
FLAT-SUN $10.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
18,955,475 472 615 472 615
Year 3
Year 3
ANNUAL SUMMARY
Total Transport Cost
$472,615
Total Resource Cost
$195,922,529
TotallRP Costs
$196,395,144
PV$s
178,541,040
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Rates
Scenario: Design Base Case
April 2004
Year Number of periods
# of resources Area Utilization rates by period
Resource Delivered
1 EGP-SU-Sumas
2 EGP-AL-NIT
3 EGP-AL-NIT
4 EGP-ST-Stanfield
5 EGP-NG-N. Green
6 EGP-NG-N, Green
7 EGP-SG-S. Green
8 EGP-SG-S. Green
9 EGP-SG-S. Green
EGP-CG-IMG
EGP-CG-IMG
NIT
Boise 0.4
Stanfield
,...
Stanfield
16 'Stanfield
EST -S, Green
FGP-SU1 Sumas
PGP-Sumas
WGP-Sumas
SGP-Sumas 0.4
FGP-Stanfield
PGP-Stanfield
WGP-Stanfield
SGP-Stanfield
PGP-NIT
WGP-NIT
SGP-NIT
PGP-N. Green
WGP-N. Green 0.4
SGP-N. Green
PGP-S. Green
WGP-S. Green
SGP-S. Green
PA-Idaho Falls
36 SVLNG Sun Valley
Sumas
38 i",O:"Stanfield
;;""""",,~...,.," ";;'
2' ,S. Green
....' -
i--:S"IMG
41 D;tA\f;i..
: _
IMG
42 FGP-IMG IMG
FB-IMG
MrktSeli IMG
IFa Idaho Falls
FGP-NIT NIT
FGP-Stan Stanfield
FGP-Citygate
FGP-SU2 Sumas
BLANK
Year 4
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Rates
Scenario: Design Base Case
April 2004
Year
50 # of resources
Resource
1 EGP-SU-
2 EGP-AL-
3 EGP-AL-
4 EGP-ST-
5 EGP-NG-
6 EGP-NG-
7 EGP-SG-
8 EGP-SG-
9 EGP-SG-
10 EGP-CG-
11 EGP-CG-12
14
15 ;
16 '
17 EST-
18 FGP-SU1
19 PGP-
20 WGP-
21 SGP-
22 FGP-
23 PGP~ST
24 WGP-
25 SGP-
26 PGP-
27 WGP-
28 SGP-
29 PGP-
30 WGP-
31 SGP-
32 PGP-
33 WGP-
34 SGP-
35 PA-
36 SVLNG
40 m 'em 41 m~ m
42 FGP-IMG
43 FB-
44 MrktSell
45 IFa
46 FGP-NIT
47 FGP.Stan
48 FGP-
49 FGP-SU2
50 BLANK
", "',",
" m
,..
..m
'".."",", "
Year 4
Area
Delivered
Sumas
NIT
NIT
Stanfield
N. Green
N. Green
S. Green
S. Green
S. Green
IMG
IMG
NIT
Boise
Stanfield
Stanfield
Stanfield
S, Green
Sumas
Sumas
Sumas
Sumas
Stanfield
Stanfield
Stanfield
Stanfield
NIT
NIT
NIT
N. Green
N. Green
N. Green
S. Green
S. Green
S. Green
Idaho Falls
Sun Valley
Sumas
Stanfield
S. Green
IMG
IMG
IMG
IMG
IMG
Idaho Falls
NIT
Stanfield
Citygate
Sumas
mmbtu
per day
500
000
500
10,000
4 '
4 "
10 200
4,4372 7 2053 8,4556 2 2506 60 083
; 5 0002 5,0006 10 0001 5,000
..,
m """"
15,000
000
000
15,000
10,000
18,852
60,000
15,000
500
000
48;321
20,000
000
10,000
20,000
000
1 0,000
20,000
15,000
10,000
.. '.' ; """,
20,000
15,000
1 0,000
Totals
Strg
500
000
500
10,000
500
12,000
000
000
15,000
10,000
18,852
48,810
22,500
000
48,321
500
20,000
20,000
20,000
10,000
4,437
205
455
250
083
000
000
10,000
466,913
500
000
500
000
500
12,000
000
000
15,000
10,000
852
23,193
22,500
000
321
500
20,000
20,000
20,000
000
4,437
205
8,455
250
60,083
000
000
10,000
441 ,296
500
000
500
10,000
500
12,000
000
000
15,000
000
18,852
22,500
693
48,321
500
20,000
20,000
10,000
000
4,437
205
8,455
250
60,083
000
000
10,000
411 796
500
000
500
000
500
000
000
000
15,000
10,000
18,852
500
10,349
321
500
20,000
000
10,000
20,000
4,437
205
455
250
083
000
000
346,451
Capacity in MMBTUIday by Period
500 8,500 8 500000 3,000 3,000
500 2 500 2 500
10,000 10,000 10,000
500 6 500 6,500
000 12 000 12,000
000 7,000 7,000
000 3 000 3,000
000 15 000 15 000
10,000 10 000 10,000
18,852 18,852 18,852
10,894 6 554 15,880
45,583 40,170 48,321
500 6 500 6 500
000 20,000
0 15,000
20,000 20,000
0 15,000
000 19,813
0 6,071
000 10,188
0 3,239
437 4,437 4 437
205 7 205 7 2058,455 8,455 8,455
250 2 250 2 250
083 60 083 60,083
000 5,000 5 000000 5,000 5,000
321 758 312,006 298,793
500
000
500
10,000
500
000
000
000
15,000
10,000
18,852
48,321
500
15,000
15,000
113
4,437
205
8,455
250
083
000
000
278,716
500
000
500
10,000
500
12,000
000
000
15,000
10,000
847
396
500
299
15,000
4,437
205
455
250
60,083
000
000
231 972
000
500
000
000
10,000
500
954
10,000
000
000
000
4,437
205
8,455
250
083
000
175,384
000
500
15,000
000
10,000
500
10,000
000
10,000
000
4,437
205
455
250
083
000
171,430
000
500
000
000
000
500
000
10,000
000
10,000
4,437
205
455
250
60,083
000
171,430
Total
500
36,000
30,000
90,000
58,500
108,000
45,000
84,000
27,000
135,000
120,000
164 663
72,003
123,328
220 042
393,074
78,000
954
120,000
39,299
30,000
120,000
45,000
000
89,812
184
000
188
239
30,000
53,249
86,457
101 458
27,000
720 995
000
000
000
627 944
mmbtu Capacity in MMBTU/day by Period
101 per day Strg Total
Supply by Area Max Avail.Peak Dmd Total
Sumas 60,000 19,437 19,437 437 19,437 19,437 19,437 19,437 19,437 19,437 891 10,937 937 211 703
Stanfield 214,500 136,705 136,705 130,398 75,054 53,099 48,759 53,085 205 504 205 17,205 205 754 126
N, Green 500 46,955 46,955 36,955 36,954 36,954 46,768 026 068 26,955 18,455 18,455 18,455 398 954
S, Green 118,321 68,321 68,321 321 78,321 75,583 60,358 560 58,321 396 000 000 000 672 501
NIT 69,352 49,352 49,352 49,352 49,352 49,352 49,352 44,352 352 39,347 20,500 20,500 500 485,663
IMG 25,000 333 333 97,333 333 333 333 333 333 333 72,333 333 333 032 995
Boise 60,000 298,471 48,810 23,193 72,003
Canyon 66,672
Idaho Falls 000 85,772
Sun Valley 200 15,999
Totals 466,913 466,913 441 ,296 411 796 346,451 321 758 312 006 298,793 278,716 231 972 175,384 171 430 171,430 627 944
This check Model Peak Dmd Res 2 area Res (Q) area Total (Q)area Res from Net at
looks at Peak Day Check darea(2)trtoar(8)trarea(7)tarea(6)trfrar(9)Node
Delivery of 361 1 Sumas 19,437 19,437 19,437
supply,362 Stanfield 49,352 136 705 186,057 186 057
363 N. Green 46,955 46,955 46,955
364 S, Green 68,321 68,321 321
365 NIT 49,352 49,352 49,352
366 IMG 320 770 333 418 103 418 103
367 Boise 298,471 249,661 48,810 298,471 298,471
368 Canyon 66,672 672 66,672 66,672
369 Idaho Falls 85,772 85,772 85,772 772
370 Sun Valley 15,999 15,999 15,999 999
Totals 466,913 788,226 466,913
................
788,226 466 913
................
0""'
.. ..,..,.."..
iStorage by Period.
' ,. '' '. '. .." .
Boise Storace 48,810 23,193
Canyon Storaqe
Idaho Falls Storace
Sun Valley Storaqe
Year 4
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Rates
Scenario: Design Base Case
April 2004
Year Flow Capacity in MMBU Per Period Number of days in period
50 # of resources Area
Resource Delivered Totals
1 EGP-SU-Sumas 500 500 000 500 68,000 119 000 263,500 238 000 518,500 283,500
2 EGP-AL-NIT 000 000 000 000 000 000 000 000 183 000 183,000 183 000 276,000 095 000
3 EGP-AL-NIT 500 500 000 500 000 000 500 70,000 152 500 152,500 152,500 230,000 912,500
EGP-ST-Stanfield 000 10,000 000 000 000 140,000 310,000 280,000 610,000 510,000
5 EGP-NG-N, Green 500 500 13,000 32,500 52,000 000 201 500 182 000 396,500 981 ,500
6 EGP-NG-N, Green 000 000 000 60,000 96,000 168,000 372 000 336 000 732 000 812 000
EGP-SG-S. Green 915,000 915 000 380,000 210 000
EGP-SG-S. Green 000 000 000 35,000 000 98,000 217 000 196,000 427 000 427 000 427 000 644 000 555,000
EGP-SG-S, Green 000 000 000 15,000 24,000 000 93,000 000 183,000 453,000
EGP-CG-IMG 000 15,000 000 75,000 120,000 210 000 465,000 420,000 915,000 265,000
EGP-CG-IMG 000 10,000 20,000 50,000 80,000 140,000 310,000 280 000 610 000 610 000 610 000 920,000 650,000
.........
NIT 18,852 18,852 704 260 150,816 263 928 584,412 527 856 844 654 541 334
13:Boise 48,810 23,193 72,003
14 'Stanfield
Stanfield 500 500 45,000 11.2 500 152 753 492 273 873,678
16 'Stanfield 72,000 72,000 131 386 745 327 131
EST-S. Green 321 321 96,642 241 605 364 661 562,386 1,497 948 352,985 061 127 273,996
FGP-SU1 Sumas 500 500 13,000 500 52,000 91,000 201 500 182,000 396 500 396,500 396,500 598,000 372 500
PGP-Sumas
WGP-Sumas
SGP-Sumas 241 175 241 175
FGP-Stanfield
PGP-Stanfield 20,000 000 40,000 100,000 160 000 280 000 620,000
WGP-Stanfield 465 000 420,000 567 257 452 257
SGP-Stanfield 610 000 610,000 920,000 140 000
PGP-NIT 20,000 20,000 000 100 000 160 000 280,000 620 000
WGP-NIT 465,000 420,000 915,000 800,000
SGP-NIT 610 000 610,000 920 000 140,000
PGP-N. Green 20,000 000 999 998 79,997 277 379 467 373
WGP-N. Green 188 207 143 165 331 372
SGP-N, Green 610,000 610 000 920,000 140,000
PGP-S. Green 000 10,000 000 100,000 160 000 142,626 462 627
WGP-S. Green 100,402 100,402
SGP-S. Green 610,000 610 000 920 000 140,000
PA-Idaho Falls
SVLNG Sun Valley
...
Sumas 4,437 4,437 875 187 35,499 62,124 137,560 124 248 270,682 270,682 270 682 408,242 619,657
,",,"'...
38
"" " """""'...
Stanfield 205 205 14,410 36,024 57,638 1 00,867 223,348 201 734 439,491 439,491 439,491 662 839 629,743
...' ~':::..
S. Green 8,455 8,455 910 274 638 118,367 262 099 236,735 515 743 515,743 515 743 777 ,842 086,005w,..,
..... """"","'"
IMG 250 250 500 250 18,000 500 69,750 000 137 250 137 250 137,250 207 000 821 250
....,....."......-'"
IMG 083 083 120,166 300,415 480 663 841 161 862,571 682 322 665 059 665 059 665,059 527 630 930,271
FGP-IMG IMG
FB-IMG
MrktSell IMG
IFa Idaho Falls
FGP-NIT NIT 000 000 000 000 000 000 155 000 140,000 305,000 305,000 305,000 460 000 825 000
FGP-Stan Stanfield 000 000 000 25,000 000 000 155 000 140 000 305,000 755 000
FGP-Citygate 000 10,000 20,000 000
FGP-SU2 Sumas
BLANK
364,483 338 866 618,731 270,107 834 627 074 071 397 243 216 006 512,039 365,175 124 000 728,000 45,843,348
Year 4
Volumes
Ise Case
Flow Capacity in MMBU Per Period Number of days in period
Area
Days Totals
re1 Name
1 Somas 19,437 19,437 38,875 97,187 155,499 272,124 602 560 544,248 185,682 908,357 667 182 006,242 516,832
2 St~n1field"136,705 136,705 260,796 375,269 424,790 682,619 645 621 041 734 921,748 049,491 049,491 582,839 10,307,809
3 N,Gre~tl 46,955 46,955 909 184,772 295,636 654 746 023 806 897 899 644 243 125 743 125,743 697 842 818 250
S~Greerl
" '
68,321 68,321 156,642 391 605 604 661 845,012 908,351 632,985 671,127 952,000 952,000 944,000 195,026
NIT 49,352 49,352 98,704 246,760 394 816 690,928 374,912 241 856 2,400 154 250,500 250,500 886,000 10,933 834
IMG 333 333 194 666 436,665 698,663 222 661 707 321 2,445 322 327,309 412 309 4,412 309 654,630 706,521
Boise 48,810 23,193 72,003
Canyon
9 Idaho Falls
Sun Valley
466 913 441 296 823,591 1 ,732,257 574,066 368,090 262,571 804,044 150 265 10,698,401 10,457 226 15,771 554 550,274
Year 4
Intermountain Gas IRP
2005-09 IRP Model
Storage Injection Rates & Volume
Scenario: Design Base Case
April 2004
Year 4
Year 12 Number of Periods
50 # of resourCE Area Injection Rate by Period
Resource Delivered
1 EGP-SU-Sumas
2 EGP-AL-NIT
3 EGP-AL-NIT
4 EGP-ST-Stanfield
5 EGP-NG-N. Green
6 EGP-NG-N. Green
7 EGP-SG-S. Green
8 EGP-SG-S. Green
EGP-SG-S. Green
EGP-CG-IMG
EGP-CG-IMG
12 'NIT 0.4
13 fIB.Boise
Stanfield
15 '0 Stanfield
Stanfield
17,
.. ,,,",
S. Green
FGP-SU1 Sumas
PGP-Sumas
WGP-Sumas
SGP-Sumas
FGP-Stanfield
PGP-Stanfield
WGP-Stanfield
SGP-Stanfield
PGP-NIT
WGP-NIT
SGP-NIT
PGP-N. Green
WGP-N, Green
SGP-N. Green
PGP-S. Green
WGP-S. Green
SGP-S, Green
PA-Idaho Fall~
SVLNG Sun Valle~
T1 &2-Sumas
T1&T2-ST Stanfield
T1&T2-S. Green
T3-IMG IMG
T4-IMG IMG
FGP-IMG IMG
FB-IMG
MrktSell IMG
IFa Idaho Fall~
FGP-NIT NIT
FGP-Stan Stanfield
FGP-Citygate
FGP-SU2 Sumas
BLANK
Intermountain Gas IRP
2005-09 IRP Model
Storage Injection Rates & Volu
Scenario: Design Base Case
April 2004
Year Injections including in MMBTU per period
50 # of resourCE Area Injection Injection Check
Resource Delivered mmbtu days Totals Cost Uitization
1 EGP-SU-Sumas
2 EGP-AL-NIT
3 EGP-AL-NIT
4 EGP-ST-Stanfield
5 EGP-NG-N, Green
6 EGP-NG-N, Green
7 EGP-SG-S. Green
8 EGP-SG-S. Green
9 EGP-SG-S. Green
EGP-CG-IMG
EGP-CG-IMG
NIT 26,923 655 334 886,000 541 334 $ 63,533 541 334
' "
Boise 800 72,003 72,003 $ 48,242 003
qq '"
Stanfield 30,084
Stanfield 084 873,678 873,678 873,678
"'"
Stanfield 939 694 317,437 327 131 $183,324 327,131
17 S. Green 47,649 748 799 952 000 573,197 273,996 $130,795 273,996
FGP-SU1 Sumas
PGP-Sumas
WGP-Sumas
SGP-Sumas
FGP-Stanfield
PGP-Stanfield
WGP-Stanfield
SGP-Stanfield
PGP-NIT
WGP-NIT
SGP-NIT
PGP-N, Green
WGP-N. Green
SGP-N. Green
PGP-S. Green
WGP-S, Green
SGP-S. Green
PA-Idaho Fall
SVLNG Sun Valle\
T1&2-Sumas
T1&T2-Stanfield
T1&T2-S. Green
T3-IMG IMG
T4-IMG IMG
FGP-IMG IMG
FB-3 IMG
MrktSell IMG
IFa Idaho Fall
FGP-NIT NIT
FGP-Stan Stanfield
FGP-Citygate
FGP-SU2 Sumas
BLANK
Year 4
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Rates
Scenario: Design Base Case Case
April 2004 Variable Cost Summary by Res
Year Annual Total
# of resources Area Volume Annual Injection Variable
Resource Delivered mmbtu $/mmbtu Cost Cost
EGP-SU-Sumas 283,500 $4.989 767
2 EGP-AL-NIT 095,000 $3.303,013
3 EGP-AL-NIT 912 500 $4.769,256
EGP-ST-Stanfield 510 000 $4,046,785
EGP-NG-N. Green 981 500 $4.236,885
EGP-NG-N. Green 812,000 $4.821,942
EGP-SG-S, Green 210 000 $3.12,458 085
EGP-SG-S. Green 555 000 $4.10,351 023
EGP-SG-S. Green 453,000 $4.955,486
EGP-CG-IMG 265,000 $4.10,706,078
EGP-CG-IMG 650 000 $3.306,875
NIT 541 334 $3.$63,533 657 071
m'O'Boise 003 $4.$48,242 308,603
14'Stanfield $0.
15 t.
" -
Stanfield 873 678 $3.3,416,955
Stanfield 327 131 $4.$183,324 1 ,402 083
,.",..
EST-S. Green 273,996 $4.$130,795 082 247
FGP-SU1 Sumas 372 500 $4.10,020 611
PGP-Sumas $0.
WGP-Sumas $0.
SGP-Sumas 241,175 $3.942 028
FGP-Stanfield $0.
PGP-Stanfield 620,000 $4.44 750 320
WGP-Stanfield 1,452 257 $4.162 034
SGP-Stanfield 140,000 $3.179,990
PGP-NIT 620,000 $4,706,920
WGP-NIT 800 000 $4.7,494 038
SGP-NIT 140 000 $3.051 590
PGP-N. Green 467 373 $4.115 331
WGP-N. Green 331 372 $4.40 1,457 538
SGP-N. Green 140,000 $3.305 390
PGP-S. Green 462,627 $4.093 848
WGP-S. Green 100,402 $4.40 441 620
SGP-S. Green 140,000 $3.305,390
PA-Idaho Falls $0.
SVLNG Sun Valley $0.
Iit.l~lJIff Sumas 619 657 $0,
il!&I~JiJI.%W Stanfield 629 743 $0.
:r..~.iJ*1%S. Green 086,005 $0.
11~~lvl~~1~1!1ill1!IMG 821 250 $0.
!I'jJJI~11&%iJg~%IMG 930,271 $0.
FGP-IMG IMG $0.
FB-IMG $0.
MrktSell IMG $0,
IFa Idaho Falls $0.
FGP-NIT NIT 825 000 $3.189,938
FGP-Stan Stanfield 755,000 $4.160 993
FGP-Citygate 000 $4,175,440
FGP-SU2 Sumas $0.
BLANK $0.
550,274 $2.$425,894 $198 365 171
Year 4
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Rates
Scenario: Design Base Case
April 2004 :)Urce
Year Total
50 # of resources Area Variable Period Period Period Period Period Period Period Period Period Period Period Period
Resource Delivered Cost
1 EGP-SU-Sumas 989,767 $40,766 $40,766 $81 532 $203,830 $326,128 $570 724 243,325 123,003 359,694
2 EGP-AL-NIT 303,013 $12 888 $12 888 $25,776 $64,440 $103,104 $180,432 $392 321 $354,354 $741 333 $688,263 $689,178 038,036
3 EGP-AL-NIT 769,256 $11 243 $11,243 $22,485 $56,213 $89 940 $157,395 $342 511 $309,365 $648,430 $604 205 $604 968 $911 260
4 EGP-ST-Stanfield 046,785 $47 960 $47 960 $95 920 $239,800 $383 680 $671,440 $1,462,735 321 180 776,110
5 EGP-NG-N. Green 236 885 $28,899 $28,899 $57 798 $144,495 $231 192 $404 586 $880,253 $795,067 665 697
EGP-NG-N. Green 821,942 $53,352 $53 352 $106,704 $266 760 $426 816 $746,928 625,082 $1,467 816 $3,075 132
7 EGP-SG-S. Green 12,458,085 $3,523 665 $3,564,840 $5,369,580
EGP-SG-S. Green 10,351,023 $31 052 $31 052 $62,104 $155,260 $248,416 $434,728 $945,795 $854,266 789,557 640,107 659,322 $2,499 364
EGP-SG-S. Green 955,486 $13,338 $13,338 $26 676 $66,690 $106,704 $186,732 $406,271 $366 954 $768,783
EGP-CG-IMG 10,706,078 $72 840 $72,840 $145 680 $364 200 $582 720 019,760 222 003 $2,006 970 219,065
EGP-CG-IMG 306,875 $42 860 $42,860 $85,720 $214 300 $342 880 $600 040 304 635 $1,178,380 465 010 $2,288,110 291,160 $3,450,920
........,..
NIT 720,604 $71.638 $71 638 $143,275 $358.188 $573,101 002 926 220,766 005,853 209,687
Boise 356 844 $209,199 $99,403
14 'w"Stanfield
15 ~Stanfield 416,955 $87,998 $87 998 $175.995 $439,988 $340,852 $358,845 925 281
16,
....
Stanfield 585,407 $308,592 $308,592 $563,120 $221 779
EST -S. Green 213,042 $194.008 $194 008 $388.017 $970,042 $1,464 115 257 980 $6,014 262 $5,432 237 167,577
FGP-SU1 Sumas 10,020,611 $31 174 $31 174 $62.348 $155.870 $249,392 $436,436 $950 778 $858,767 804,472 548,729 552 694 338,778
PGP-Sumas
WGP-Sumas
SGP-Sumas 942 028 $942,028
FGP-Stanfield
PGP-Stanfield 750,320 $88 720 $88,720 $177,440 $443,600 $709,760 242 080
WGP-Stanfield 162 034 003,453 809,570 349,012
SGP-Stanfield 179,990 330,810 333 860 515 320
PGP-NIT 706 920 $87 320 $87,320 $174 640 $436,600 $698 560 222,480
WGP-NIT 494 038 975 553 784,370 734 115
SGP-NIT 051,590 294,210 297 260 $3,460,120
PGP-N. Green 115,331 $90,520 $90,520 $90,518 $226,290 $362 067 $1,255,416
WGP-N. Green 1,457 538 $827,828 $629 710
SGP-N. Green 305,390 349,110 $2,376,560 $3,579 720
PGP-S, Green 093,848 $45,262 $45,262 $181 040 $452,600 $724 160 $645,525
WGP-S. Green 441 620 $441 620
SGP-S. Green 305,390 $2,349,110 376 560 579,720
PA-Idaho Falls
SVLNG Sun Valley
tf;'
....
Sumas
....
ww..,, 'w Stanfield
S, Green
1.""':..1 IMG
,..
IMG
FGP-IMG IMG
FB-IMG
MrktSell IMG
IFa Idaho Falls
FGP-NIT NIT 189,938 $21 530 $21 530 $43 060 $107 650 $172 240 $301,420 $655,418 $591 990 238,605 150 155 151 680 734,660
FGP-Stan Stanfield 160,993 $21 580 $21 580 $43 160 $107 900 $172 640 $302,120 $656,968 $593,390 241,655
FGP-Citygate 175,440 $43,860 $43,860 $87 720
FGP-SU2 Sumas
BLANK
$198,791 066
Year 4
Intermountain Gas IRP
2005-09 IRP Model
Transport Utilization
Scenario: Design Base Case
April 2004
4 Year
Number of periods Number of Periods
Number of Resources Transport Utilization Rate
Resource From
1 ENWP-Sumas IMG
2 ENWP-Stanfield IMG 0.4
3 ENWP-N. Green IMG
4 ENWP-S. Green IMG
5 EPGT-NIT Stanfield
6 EPGT-NIT Stanfield
7 ENWP-Stanfield IMG
8 ENWP-JP2 Stanfield IMG
9 ENWP-Stanfield IMG
EIMG-IMG Boise
ELAT-BOI IMG Boise
ELAT-CAN IMG Canyon 0.4
ELAT-CAN IMG Idaho Fall 0.4
ELAT-SUN IMG Sun Valle~
FNWP-Sumas IMG
FNWP-Stanfield IMG
FNWP-N. Green IMG
FNWP-S. Green IMG 0.4 0.4
FPGT-NIT Stanfield
XLAT-CAN IMG Canyon
XLAT-CAN2 IMG Canyon
XLAT-IF1 IMG Idaho Fall
XLAT-IF2 IMG Idaho Fall
XLAT-SUN IMG Sun Valle,
FLAT-BOI IMG Boise
FLAT-CAN IMG Canyon
FLAT-IMG Idaho Fall
FLAT-SUN IMG Sun Valle,
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
Year 4
Transport Trans oft Caoacit bv Period in MMBTU Per Dav Annual
TransDort Utilization Rate Capability Volume in
10T mmbtu/day Arc mmbtu
Area/Node From Area/Node To Peak
ARC # Name Area #Area #ARC # Max Demand
1 Sumas 1 IMG 91,146 19,437 19,437 19,437 19,437 19,437 19,437 19,437 19,437 19,437 891 937 937
, 2 Stanfield 21MG 246 300 186 057 186 057 179 750 124,406 102,451 98,111 97,437 557 851 705 803 258
3 N. Green 31MG 83,026 46,955 46,955 955 954 954 768 026 068 955 18,455 455 455
4 S. Green 41MG 110,358 321 321 321 78,321 75,583 60,358 560 321 396 725 030
5 NIT 5 Stanfield 62,844 49,352 49,352 352 352 49,352 49,352 44,352 352 347 500 757
61MG 6 Boise 875,500 298,471 249,661 258 287 262 178 219,424 203 267 196 868 188 068 174 934 144,353 99,294 660 815
71MG 6 Canvon 119 500 672 66,672 64,235 59,793 955 46,228 774 42,862 849 32,814 22,454 258 345
81MG 6 Idaho Fa 137,000 85,772 772 629 76,039 871 62,037 60,521 58,526 55,389 109 394 32,016 021
91MG 6 Sun Vall 66,400 15,999 999 952 785 11,201 226 843 337 543 695 967 594 831
Transport Lateral + Storage = Peak Demand 466 913 788,226 788,225 775,610 654 922 605 536 586 032 554 604 514,451 415 957 274 384 194,480 147 694
StoraQe tm Boise 48,810 193
StoraQe ~Canyon I
Stora e CJ)Idaho Falls
Stora e CJ)Sun Valley
Total Boise 298 471 298471 281 479 262 178 219 424 203267 196 868 188 068 174,934 144,353 99,294 660 815
Total Canyon I 672 672 235 793 955 228 44,774 862 849 814 454 258 14,345
Total Idaho Falls 772 85,772 80,629 039 871 037 521 526 389 109 394 016 021
Total Sun Valley 999 999 952 785 11,201 226 843 337 543 695 967 594 831
466,913 466913 441 296 411,796 346,451 321,758 312,006 298 793 278,716 231 972 163,108 128 528 110,013
II
-..
From Above TolMG I TransDort 320 770 320 770 314,463 259 118 234425 224,674 211,460 191 383 144 639 775 195 37,681
From Above To Laterals ITransoort 418103 418103 411 796 346.451 321.758 312006 298 793 278716 231 972 163108 128528 110013
From Utilization Storace 48810 23193
From Above Total SIre & TransDort 466913 441 296 411796 346451 321 758 312006 298.793 278716 231 972 163108 128528 110013
From Gas Utilization Gas SUDDlv SUDDrV 466913 441 296 411796 346451 321.758 312006 298793 278716 231 972 175384 171430 171,430
No Cost lfj) Sumas/SGreen/Stan 1 & T-SUDDlv 20097 20097 20097 20097 20097 20097 20097 20097 20097 20097 20097 20097
IGC own SUDDlv SUDDlv 384483 358866 329366 264021 239328 229577 216.363 196286 149542 92 954 89000 89000
No Cost Gas lfj) IMG 3 & T-4 Sunnlv 62333 62333 62333 62333 62333 62 333 62333 62333 62,333 62333 62333 62333
From LDC Dist Demand 466913 441.296 411.796 346.451 321.758 312006 298793 278716 231 972 163108 128,528 109231
Days Volumes below
From Gas Utilization Gas SUDDlv Volume Sue!466913 441.296 823591 1 732 257 2574066 4368090 9262571 804044 14,150.265 10698,401 10,457226 15771554 78550274
No Cost (Q) Sumas/SGreen/Stan 1 & T-Volume Sue!20097 20097 40 194 100485 160776 281 358 623007 562716 225,917 225 917 1 225 917 1 848924 7335405
IGC own sunnlv Volume Sue!384 483 358866 658731 1 320 107 1 914627 3214071 6 707 243 5.496 006 122039 5 670 175 5,429000 8188000 48463348
No Cost Gas ((jJ IMG 3&T-4 Volume SUD~62,333 62,333 124 666 311 665 498,663 872 661 932,321 745 322 802,309 802,309 802,309 734 630 751 521
From LDC Demand 466913 441296 823 591 1 732 257 2574066 4368090 9262571 804044 14150265 9 949 602 7840 198 10049239 69462132
Storace Iniections 748 799 2617028 722315 9088 142
Year 4
Intermountain Gas IRP
2005-09 IRP Model
Transport Utilization
Scenario: Design Base Case
April 2004
4 Year
Number of periods Transport Transport Capaci by Period in MMBTU Per Day Annual
Number of Resources Capability Volume in
Resource From mmbtu/day Arc mmbtu
1 ENWP-Sumas IMG 41,146 19,437 19,437 19,437 19,437 19,437 19,437 19,437 19,437 437 891 10,937 937 602 560
2 ENWP-Stanfield IMG 86,800 800 800 800 86,800 800 800 357 81 ,557 851 705 26,803 258 690 800
3 ENWP-N. Green IMG 33,026 026 33,026 33,026 026 33,026 026 026 32,068 955 18,455 18,455 18,455 023,806
4 ENWP-S. Green IMG 358 358 358 60,358 358 358 60,358 358 58,321 396 725 030 871 098
5 EPGT-NIT Stanfield 158 32,158 158 158 32,158 158 158 32,158 32,158 158 500 996,898
6 EPGT-NIT Stanfield 686 194 17 ,194 194 17,194 194 17,194 12,194 194 189 757 533 014
7 ENWP-Stanfield IMG 000 200
8 ENWP-JP2 Stanfield IMG 22,500 22,500 500 22,500 500 894 554 880 381,405
9 ENWP-Stanfield IMG 72,000 000 000 65,693 10,349 327 131
EIMG-IMG Boise 500 000
ELAT-BOI IMG Boise 315 000 249,661 258,287 262,178 219,424 203 267 196 868 188 068 174 934 144 353 294 660 64,815 511 710
ELAT-CAN IMG Canyon 500 500 500 500 49,955 228 774 862 39,849 814 22,454 258 345 1,484,435
ELAT-CAN IMG Idaho Fall 69,000 000 129 000 871 62,037 521 526 389 109 394 32,016 021 946 078
ELAT-SUN IMG Sun Valle~14,400 14,400 14,400 785 201 226 843 337 543 695 967 594 331 994
FNWP-Sumas IMG 000
FNWP-Stanfield IMG 000 757 757 757 757 757 757 147,460
FNWP-N. Green IMG 50,000 13,929 13,929 929 928 928 742 279 166
FNWP-S. Green IMG 000 963 963 963 963 225 202 263,464
FPGT-NIT Stanfield 000
XLAT-CAN IMG Canyon 10,500
XLAT-CAN2 IMG Canyon 000 172 735 293 12,493
XLAT-IF1 IMG Idaho Fall!500 272 272
XLAT-IF2 IMG Idaho Fall!14,500 500 500 039 079
XLAT-SUN IMG Sun Valle\000 599 552 831 151
FLAT-BOI IMG Boise 000
FLAT-CAN IMG Canyon 50,000
FLAT-IMG Idaho Fall 000
FLAT-SUN IMG Sun Valle\000
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
788,226 788 225 775 610 654 922 605 536 586 032 554 604 514,451 415 957 274 384 194,480 147 694
Year 4
Intermountain Gas IRP
2005-09 IRP Model
Transport Cost Summary
Scenario: Design Base Case
April 2004
Transport Transport Transport Total
Annual Variable Variable Variable Transport
4 Year Volume Cost Inflation Cost Cost
Resource mmbtu $/mmbtu Factor Nominal $s Nominal $s
1 ENWP-602 560 $0.036 $23 084 $23 084
2 ENWP-690 800 $0.036 $103,083 $103,083
3 ENWP-023,806 $0.036 $39 222 $39,222
4 ENWP-871 098 $0.036 $71 681 $71,681
5 EPGT -996,898 $0.010 $10 632 $10,632
6 EPGT-533,014 $0.010 685 685
7 ENWP-$0.030
8 ENWP-JP2 381,405 $0.030 $12 142 $12 142
9 ENWP-327 131 $0.030 $10,415 $10,415
EIMG-$0.0001
ELAT-BOI 511 710 $0.0001 $651 $651
ELAT-CAN 1,484,435 $0.0001 $148 $148
ELA T -CAN 946 078 $0.0001 $195 $195
ELAT-SUN 331 994 $0.0001 $35 $35
FNWP-$0.300
FNWP-147,460 $0.300 $44 238 $44 238
FNWP-279 166 $0.300 $83 750 $83,750
FNWP-263,464 $0.300 $79,039 $79,039
FPGT -$0.180
XLAT-CAN $0.000150
XLAT-CAN2 12,493 $0.0002
XLAT-IF1 272 $0.0002
XLAT-IF2 079 $0.0002
XLAT-SUN 151 $0.0002
FLAT-BOI $10.000
FLAT-CAN $10.000
FLAT-$10.000
FLAT-SUN $10.000
BLANK $0.000
BLANK $0,000
BLANK $0,000
BLANK $0,000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0,000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0,000
19,451 013 484 010 484 010
Year 4
Year 4
ANNUAL SUMMARY
Total Transport Cost
$484 010
Total Resource Cost
$198,791,066
otaliRP Costs
$199,275,075
PV$s
181,159,159
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Rates
Scenario: Design Base Case
April 2004
Year Number of periods
# of resources Area Utilization rates by period
Resource Delivered
1 EGP-SU-Sumas
2 EGP-AL-NIT
3 EGP-AL-NIT
4 EGP-ST-Stanfield
5 EGP-NG-N, Green
6 EGP-NG-N. Green
7 EGP-SG-S. Green
EGP-SG-S. Green
9 EGP-SG-S. Green
EGP-CG-IMG
EGP-CG-IMG
NIT
=',
00',0..,Boise 0.4
14 '
: '
Stanfield
15 ;,
; '"
Stanfield
16 ::0' ..Stanfield
EST-S. Green 0.4
FGP-SU1 Sumas
PGP-Sumas
WGP-Sumas
SGP-Sumas
FGP-Stanfield
PGP-Stanfield
WGP-Stanfield
SGP-Stanfield
PGP-NIT
WGP-NIT
SGP-NIT
PGP-N. Green
WGP-N. Green
SGP-N, Green
PGP-S. Green
WGP-S. Green
SGP-S. Green
PA-Idaho Falls
SVLNG Sun Valley
~~.
Sumas
Stanfield
39 ~ S. Green
I 40
1mWl:;J IMGomo
""""
'MN'",
~ ..." ..
.f('wl IMG
42 FGP-IMG IMG
FB-IMG
MrktSell IMG
IFa Idaho Falls
FGP-NIT NIT
FGP-Stan Stanfield
FGP-Citygate
FGP-SU2 Sumas
BLANK
Year 5
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Rates
Scenario: Design Base Case
April 2004
Year
50 # of resources Area mmbtu Capacity in MMBTU/day by Period
Resource Delivered per day Strg Total
1 EGP-SU-Sumas 500 500 500 500 500 500 500 500 500 500 76,500
2 EGP-AL-NIT 000 000 000 000 000 000 000 000 000 000 000 000 000 000
3 EGP-AL-NIT 500 500 500 500 500 500 500 500 500 500 500 500 500 000
EGP-ST-Stanfield 10,000 000 10,000 10,000 10,000 000 10,000 000 10,000 000 90,000
EGP-NG-N. Green
"" ,,
500 500 500 500 500 500 500 500 500 58,500
EGP-NG-N, Green
"' , ,
000 000 000 12,000 000 000 12,000 000 12,000 108,000
,'-'
EGP-SG-S, Green 15,000 15,000 15,000 15,000 45,000
EGP-SG-S. Green 000 000 000 000 000 000 000 000 000 000 000 000 000 000
EGP-SG-S. Green 000 000 000 000 000 000 000 000 000 000 27,000
EGP-CG-IMG 15,000 000 15,000 15,000 15,000 15,000 15,000 000 15,000 000 135 000
EGP-CG-IMG 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 10,000 000 120,000
NIT 852 18,852 18,852 18,852 18,852 18,852 18,852 18,852 18,852 847 164 663
13"Boise 60,000 51,396 26,178 77,574
Stanfield 15,000
15 ,Stanfield 500 22,500 22,500 500 500 13,495 314 16,672 123 481
16 'Stanfield 72,000 72,000 000 68,042 11,289 223,331
EST-S. Green 4",48;321 48,321 321 48,321 48,321 43,390 43,609 321 48,321 396 394,320
FGP-SU1 Sumas 500 500 500 500 500 500 500 500 500 500 500 500 78,000
PGP-Sumas 20,000
WGP-Sumas 000
SGP-Sumas 10,000
FGP-Stanfield
PGP-Stanfield 20,000 000 20,000 20,000 20,000 20,000 000 120,000
WGP-Stanfield 000 000 15,000 774 774
SGP-Stanfield 000 10,000 10,000 000 000
PGP-NIT 000 20,000 20,000 20,000 20,000 000 20,000 120,000
WGP-NIT 000 15,000 15,000 000 45,000
SGP-NIT 000 10,000 10,000 10,000 30,000
PGP-N, Green 20,000 20,000 20,000 20,000 1 0 000 1 0 000 1 00,000
WGP-N. Green 396 595 991
SGP-N. Green 10,000 647 000 647
PGP-S. Green 20,000 10,000 10,000 10,000 10,000 20,000 20,000 79,999
WGP-S. Green 000 037 037
SGP-S. Green 10,000 10,000 000 10,000 30,000
PA-Idaho Falls
SVLNG Sun Valley 200
... ....
Sumas 4,437 4,437 4,437 4,437 4,437 4,437
*' ..
4,437 4,437 4,437 4,437 4,437 4,437 4,437 53,249
Stanfield 205 205 205 205 205 205 205 205 205 205 205 205 205 86,457
39 S, Green 8,455 8,455 8,455 8,455 8,455 8,455 8,455 8,455 8,455 8,455 8,455 8,455 8,455 101,458
40 IMG 250 250 250 250 250 250 250 250 250 250 250 250 250 000
, ".,", "...'"
IMG 6 61 645 645 645 645 61,645 645 645
...., '"
645 645 645 645 645 645 739,741
FGP-IMG IMG
FB-IMG 000 000
MrktSell IMG
~--
IFa Idaho Falls 950 950
FGP-NIT NIT 5 5,000 000 000 000 000 000 000 000 000 000 000 000 000 60,000
FGP-Stan Stanfield 000 000 000 000 000 000 000 000 000 000 45,000
FGP-Citygate 10,000 10,000 000 10,000 30,000
FGP-SU2 Sumas 000 000 000 000 000 000 000 000 000 000 000 000 000 60,000
BLANK
Totals 477 010 450,843 420 707 353,954 328 729 318,767 305 270 284 760 237 008 177 992 169 639 177 992 702.671
Year 5
mmbtu Capacity in MMBTUIday by Period
101 per day Strg Total
SupplY by Area Max Avail.Peak Dmd Total
Sumas 60,000 24,437 24,437 24,437 24,437 24,437 24,437 24,437 24,437 24,437 15,937 15,937 15,937 267.749
Stanfield 214,500 136.705 136,705 132,747 75,994 55,700 45,519 53,877 37.205 29,979 17,205 17,205 205 756,043
N, Green 63,500 46,955 46,955 46,955 46,955 36,955 36,955 28,350 31 ,550 26,955 18,455 10,102 18,455 395,595
S. Green 118,321 68,321 68,321 68,321 68,321 73,390 609 60,358 58,321 27,396 32,000 32,000 32,000 662,356
NIT 69,352 49,352 49,352 49,352 49,352 49,352 49,352 44,352 44,352 39,347 20,500 20,500 20,500 485,663
IMG 25,000 98,895 98,895 98,895 88,895 88,895 88,895 93,895 88,895 88,895 73,895 73,895 73,895 056,741
Boise 60,000 304,213 51 ,396 26,178 77,574
Canyon 68,398
Idaho Falls 000 87,950 950 950
Sun Valley 200 16,450
Totals 477,010 477,010 450,843 420,707 353,954 328,729 318,767 305,270 284 760 237,008 177 ,992 169,639 177,992 702,671
This check Model Peak Dmd Res 2 area Res ~ area Total ~area Res from Net at
looks at Peak Day Check darea(2)trtoar(8)trareaTif tarea(6)trfrar(9)Node
Delivery of 481 Sumas 24,437 437 24,437
supply,482 Stanfield 49,352 136,705 186,057 186,057
483 N. Green 46,955 46,955 46,955
484 S. Green 68,321 68,321 68,321
485 NIT 49,352 49,352 49.352
486 IMG 325,770 98,895 424,665 424,665
487 Boise 304,213 252,817 51,396 304 213 304,213
488 Canyon 68,398 68,398 68,398 68,398
489 Idaho Falls 87,950 000 950 950 950
490 Sun Valley 16,450 16,450 16,450 16,450
Totals 477,010 799,786 477,010 :::i:::;:::! !:799,786 477,010
Year 5
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Rates
Scenario: Design Base Case
April 2004
Year Flow Capacity in MMBU Per Period Number of days in period
50 # of resources Area
Resource Delivered
Totals
1 EGP-SU-Sumas 500 500 000 500 68,000 119,000 263,500 238,000 518,500 283,500
2 EGP-AL-NIT 000 000 000 000 24,000 000 93,000 000 183,000 183,000 183 000 276,000 095,000
3 EGP-AL-NIT 500 500 000 500 20,000 35,000 77,500 000 152 500 152 500 152 500 230,000 912,500
4 EGP-ST-Stanfield 10,000 000 000 50,000 80,000 140 000 310 000 280,000 610,000 510 000
5 EGP-NG-N. Green 500 500 13,000 32,500 000 000 201 500 182,000 396,500 981 500
6 EGP-NG-N. Green 12,000 000 24,000 60,000 96,000 168,000 372,000 336 000 732 000 812,000
7 EGP-SG-S. Green 915,000 915,000 380 000 210 000
EGP-SG-S. Green 000 000 000 35,000 56,000 98,000 217,000 196,000 427 000 427 000 427 000 644,000 555,000
9 EGP-SG-S. Green 000 000 000 15,000 24,000 42,000 93,000 84,000 183,000 453 000
EGP-CG-IMG 15,000 15,000 30,000 75,000 120,000 210 000 465,000 420 000 915 000 265,000
EGP-CG-IMG 10,000 10,000 20,000 50,000 80,000 140,000 310,000 280,000 610 000 610,000 610 000 920 000 650 000
....
NIT 18,852 18,852 704 260 150 816 263,928 584,412 527 856 844 654 541 334
Boise 51,396 26,178 77 ,574
Stanfield
...
Stanfield 500 22,500 45,000 112 500 107 960 396 516,828 873,684
16 'Stanfield 72,000 000 136,084 56,445 336,529
EST-S. Green 48,321 48,321 96,642 241,605 347 119 610 523 1,497,948 352,985 061 127 304,592
FGP-SU1 Sumas 500 500 13,000 500 000 000 201,500 182 000 396 500 396,500 396,500 598,000 372 500
PGP-Sumas
WGP-Sumas
SGP-Sumas
FGP-Stanfield
PGP-Stanfield 20,000 000 40,000 100,000 160,000 280,000 620,000
WGP-Stanfield 465,000 420,000 474 212 359 212
SGP-Stanfield 610,000 610,000 920,000 140,000
PGP-NIT 20,000 20,000 000 100 000 160 000 280 000 620 000
WGP-NIT 465 000 420,000 915,000 800,000
SGP-NIT 610,000 610,000 920,000 140,000
PGP-N. Green 20,000 20,000 000 100,000 000 140 003 400,003
WGP-N. Green 43,263 128,663 171 926
SGP-N. Green 610 000 100,454 920,000 630,454
PGP-S. Green 10,000 10,000 19,999 50,001 160 000 280,000 530,000
WGP-S. Green 63,150 63,150
SGP-S. Green 610 000 610,000 920,000 140,000
PA-Idaho Falls
36 SVLNG Sun Valley
----, ,
Sumas 4,437 4,437 875 22,187 35,499 124 137,560 124,248 270 682 270 682 270,682 408,242 619,657
38 ,"Stanfield 205 205 14,410 36,024 57,638 100,867 223,348 201,734 439,491 439,491 439,491 662 839 629,743
' .. ,
S. Green 8,455 8,455 16,910 42,274 67,638 118,367 262 099 236 735 515,743 515,743 515,743 777 842 086 005
'm~IMG 250 250 500 250 18,000 500 750 63,000 137 250 137 250 137 250 207 000 821 250
41'IMG 645 645 123 290 308,225 493,161 863,031 910,998 726,063 760,351 760,351 760,351 671,348 500 458
FGP-IMG IMG
FB-IMG 155,000 155 000
MrktSell IMG
IFa Idaho Falls 950 950
FGP-NIT NIT 000 000 10,000 25,000 000 70,000 155,000 140,000 305,000 305,000 305,000 460,000 825 000
FGP-Stan Stanfield 000 000 10,000 000 000 70,000 155 000 140,000 305 000 755 000
FGP-Citygate 10,000 10,000 20,000 40,000
FGP-SU2 Sumas 000 000 10,000 25,000 40,000 70,000 155,000 140,000 305,000 305,000 305,000 460,000 825,000
BLANK
367,069 341,851 623,429 274 811 1 ,837 895 076,851 239,601 201 505 8,418 994 124 000 614,454 728,000 848,458
Year 5
I Volumes
Ise Case
Flow Capacity in MMBU Per Period Number of days in period
Area
Days Totals
rei:Name
$up1as'24,437 437 48,875 122,187 195,499 342,124 757 560 684,248 1,490,682 972,182 972,182 1,466,242 100,657
2Starifield 136,705 136,705 265,494 379,969 445,598 637 263 670,176 041 734 828,703 049,491 049,491 582,839 10,224,168
Gteeri '46,955 46,955 93,910 234,774 295,638 517,371 878,862 883,398 644,243 125,743 616,197 697,842 081 888
S.,Greeif
' '
68,321 68,321 136,641 341 ,606 587,119 030,523 871 098 632,985 671,127 952,000 952,000 944,000 14,255,742
5 NIT'
': "
49,352 49,352 98,704 246,760 394,816 690,928 374,912 1 ,241 ,856 2,400,154 250,500 250,500 886,000 10,933,834
61MG "
, ,
98,895 98,895 197,790 444,475 711,161 1 ,244 531 910,748 489,063 5,422,601 507,601 507 601 798 348 29,431,708
f3oise 396 26,178 77,574
C~nYQn
Id~h'()Falls 950 950
SunValley
476,061 450,843 841 ,413 769,771 629,832 4,462,740 9,463,356 973,284 14,457,511 10,857,518 10,347,971 16,375,272 80,105,572
Year 5
Intermountain Gas IRP
2005-09 IRP Model
Storage Injection Rates & Volume
Scenario: Design Base Case
April 2004
Year 12 Number of Periods
50 # of resource Area Injection Rate by Period
Resource Delivered
1 EGP-SU-Sumas
2 EGP-AL-NIT
3 EGP-AL-NIT
4 EGP-ST-Stanfield
5 EGP-NG-N. Green
6 EGP-NG-N. Green
7 EGP-SG-S, Green
8 EGP-SG-S, Green
9 EGP-SG-S. Green
EGP-CG-IMG
EGP-CG-IMG
NIT 0.4
13
~.
Boise
14~",
~"
Stanfield
...:.. ,
Stanfield
Stanfield
. ,
S. Green
FGP-SU1 Sumas
PGP-Sumas
WGP-Sumas
SGP-Sumas
FGP-Stanfield
PGP-Stanfield
WGP-Stanfield
SGP-Stanfield
PGP-NIT
WGP-NIT
SGP-NIT
PGP-N. Green
WGP-N. Green
SGP-N, Green
PGP-S. Green
WGP-S. Green
SGP-S. Green
PA-Idaho Fall~
SVLNG Sun Valle"
T1 &2-Sumas
T1&T2-Stanfield
T1 & T2-S. Green
T3-IMG IMG
T4-IMG IMG
FGP-IMG IMG
FB-IMG
MrktSell IMG
IFa Idaho Fall~
FGP-NIT NIT
FGP-Stan Stanfield
FGP-Citygate
FGP-SU2 Sumas
BLANK
Year 5
Intermountain Gas IRP
2005-09 IRP Model
Storage Injection Rates & Volu
Scenario: Design Base Case
April 2004
Year Injections including in MMBTU per period
50 # of resource Area Injection Injection Check
Resource Delivered mmbtu days Totals Cost Uitization
1 EGP-SU-Sumas
2 EGP-AL-NIT
3 EGP-AL-NIT
4 EGP-ST-Stanfield
5 EGP-NG-N. Green
6 EGP-NG-N. Green
7 EGP-SG-S. Green
8 EGP-SG-S. Green
9 EGP-SG-S. Green
EGP-CG-IMG
EGP-CG-IMG
NIT 923 667 121 874 213 541 ,334 63,533 541 ,334
......
Boise 800 574 574 975 574
',,'
14 .,Stanfield 084
15 Stanfield 084 873,684 873 684 873,684
.."
16 .Stanfield 939 336 529 336,529 188 591 336,529
S. Green 649 691,199 669,393 944,000 304,592 131,554 304,592
FGP-SU1 Sumas
PGP-Sumas
WGP-Sumas
SGP-Sumas
FGP-Stanfield
PGP-Stanfield
WGP-Stanfield
SGP-Stanfield
PGP-NIT
WGP-NIT
SGP-NIT
PGP-N. Green
WGP-N, Green
SGP-N. Green
PGP-S. Green
WGP-S. Green
SGP-S. Green
PA-Idaho Fall
SVLNG Sun Valle~
T1 &2-Sumas
T1 & T2-Stanfield
T1 & T2-S. Green
T3-IMG IMG
T4-IMG IMG
FGP-IMG IMG
FB-IMG
MrktSell IMG
IFO Idaho Fall~
FGP-NIT NIT
FGP-Stan Stanfield
FGP-Citygate
FGP-SU2 Sumas
BLANK
Year 5
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Rates
Scenario: Design Base Case Case
April 2004 Variable Cost Summary by Resource
Year Annual Total Total
# of resources Area Volume Annual Injection Variable Variable
Resource Delivered mmbtu $/mmbtu Cost Cost Cost
1 EGP-SU-Sumas 283,500 $4.959,592 959 592
2 EGP-AL-NIT 095,000 $3.298,843 298 843
3 EGP-AL-NIT 912 500 $4.765,781 765,781
4 EGP-ST-Stanfield 510 000 $4.011,285 011 285
5 EGP-NG-N. Green 981 500 $4.194 180 194 180
6 EGP-NG-N. Green 812,000 $4.743,102 743 102
7 EGP-SG-S. Green 210,000 $3.12,549 735 549,735
8 EGP-SG-S. Green 555 000 $4.347 803 347 803
9 EGP-SG-S. Green 453 000 $4.935,776 935,776
EGP-CG-IMG 265 000 $4.10,652 828 10,652 828
EGP-CG-IMG 650,000 $3.292 975 292 975
12;,
" ,..........
NIT 541,334 $3.$63,533 634,199 697 732
13 LL,Boise 77,574 $4.$51 975 333,258 385 232
14 '
.. ~
Stanfield $0.
Stanfield 873,684 $3.3,418,727 3,418,727
16 "
,~
Stanfield 336 529 $4.$188,591 1,445,729 634,319
...."
EST-S. Green 304 592 $3.$131 554 20,756,867 20,888,421
FGP-SU1 Sumas 372 500 $4.10,023,374 10,023,374
PGP-Sumas $0.
WGP-Sumas $0.
SGP-Sumas $0.
FGP-Stanfield $0.
PGP-Stanfield 620,000 $4.45 756,520 756,520
WGP-Stanfield 359,212 $4.709,409 709,409
SGP-Stanfield 140,000 $3.216 690 216 690
PGP-NIT 620,000 $4.713 120 713 120
WGP-NIT 800,000 $4.7,413,488 7,413,488
SGP-NIT 140,000 $3.088 290 088,290
PGP-N. Green 400 003 $4.810,414 810,414
WGP-N. Green 171 926 $4.744 183 744 183
SGP-N. Green 630,454 $3,371 106 371 106
PGP-S. Green 530,000 $4.398,781 398 781
WGP-S. Green 63,150 $4.273,344 273 344
SGP-S. Green 140,000 $3,366,490 366,490
PA-Idaho Falls $0.
SVLNG Sun Valley $0,
Sumas 619,657 $0.
Stanfield 629,743 $0.
S. Green 086,005 $0,i~ll~-IMG 821 250 $0.
(C!~L::"IMG 500,458 $0.
FGP-IMG IMG $0.
FB-IMG 155 000 $10.550,000 550,000
MrktSell IMG $0.
IFa Idaho Falls 950 $6.304 304
FGP-NIT NIT 825 000 $3.182 988 182 988
FGP-Stan Stanfield 755,000 $4.135,693 135,693
FGP-Citygate 40,000 $4.40 175,840 175,840
FGP-SU2 Sumas 825,000 $4.710,288 710,288
BLANK $0.
Year 5
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Rates
Scenario' Design Base Case
April 2004
Year
50 # of resources Area Period Period Period Period Period Period Period Period Period Period Period Period
Resource Delivered
1 EGP-SU-Sumas $40,936 $40,936 $81,872 $204 680 $327.488 $573,104 $1,230,150 111 103 $2,349 324
2 EGP-AL-NIT $12,918 $12 918 $25,836 $64,590 $103,344 $180,852 $386,741 $349,314 $735,843 $690,093 $692 838 043,556
3 EGP-AL-NIT $11 268 $11 268 $22 535 $56,338 $90,140 $157 745 $337 861 $305,165 $643,855 $605,730 $608,018 $915,860
4 EGP-ST-Stanfield $48 160 $48,160 $96,320 $240,800 $385,280 $674 240 447,235 307 180 763,910
5 EGP-NG-N. Green $28,899 $28,899 $57 798 $144.495 $231,192 $404 586 $866,148 $782 327 649,837
6 EGP-NG-N. Green $53,352 $53,352 $106,704 $266,760 $426 816 $746,928 599,042 444,296 $3,045,852
7 EGP-SG-S, Green $3,569.415 $3,583,140 397 180
8 EGP-SG-S. Green $31 052 $31 052 $62 104 $155,260 $248.416 $434 728 $930 605 $840,546 772.477 661,457 667,862 512 244
9 EGP-SG-S. Green $13,338 $13,338 $26,676 $66,690 $106,704 $186,732 $399,761 $361 074 $761,463
EGP-CG-IMG $73,140 $73 140 $146 280 $365,700 $585,120 023,960 $2,198,753 985,970 200,765
EGP-CG-IMG $42,960 $42 960 $85,920 $214,800 $343,680 $601 440 $1,286,035 161 580 $2,446,710 294 210 303 360 $3,469,320
12 NIT $71,468 $71,468 $142,936 $357 340 $571 743 $1,000 551 $2,215,506 $2,001 102 $3,202 085
13 ,i""
..,'
Boise $220,797 $112.461
14'Stanfield
....
Stanfield $88,043 $88,043 $176,085 $440,213 $422,447 $181 548 022,349
16 '0,Stanfield $309,312 $309,312 $584,617 $242,488
EST -S. Green $189,080 $189,080 $378,159 $945,399 358,278 388,977 861,471 $5,294 232 152 191
FGP-SU1 Sumas $31 304 $31,304 $62,608 $156,520 $250,432 $438,256 $940,703 $849,667 796 542 554,677 560,624 $2,350 738
PGP-Sumas
WGP-Sumas
SGP-Sumas
FGP-Stanfield
PGP-Stanfield $88,920 $88,920 $177,840 $444,600 $711 360 244 880
WGP-Stanfield 975,553 $1,784 370 949,486
SGP-Stanfield 336,910 346 060 $3,533 720
PGP-NIT $87,520 $87 520 $175,040 $437 600 $700 160 225,280
WGP-NIT 947,653 759,170 706,665
SGP-NIT $2,300,310 309,460 $3,478,520
PGP-N. Green $90,520 $90,520 $181 040 $452 600 $362 079 $633,655
WGP-N. Green $187,263 $556,920
SGP-N. Green $2,379,610 $393,376 598,120
PGP-S. Green $45,258 $45,259 $90 518 $226,306 $724,160 267,280
WGP-S. Green $273,344
SGP-S. Green 379 610 388,760 $3,598,120
PA-Idaho Falls
SVLNG Sun Valley
Mj.,::E Sumas
.. ,
Stanfield
39 w~,S. Green
40 1:4,.;IMG
41 t' , 'IMG
FGP-IMG IMG
FB-IMG 550 000
MrktSell IMG
IFa Idaho Falls 304
FGP-NIT NIT $21 580 $21 580 $43 160 $107 900 $172,640 $302,120 $646 118 $583,590 229,455 153,205 157 780 743,860
FGP-Stan Stanfield $21 630 $21 630 $43,260 $108 150 $173,040 $302 820 $647 668 $584 990 232 505
FGP-Citygate $43,960 $43 960 $87 920
FGP-SU2 Sumas $24 080 $24 080 $48 160 $120,400 $192 640 $337 120 $723 618 $653,590 381 955 195,905 200,480 808,260
BLANK
Year 5
Intermountain Gas IRP
2005-09 IRP Model
Transport Utilization
Scenario: Design Base Case
April 2004
5 Year
Number of periods Number of Periods
Number of Resources Transport Utilization Rate
Resource From
1 ENWP-Sumas IMG 0.4 0.4 0.4
2 ENWP-Stanfield IMG 0.4
3 ENWP-N. Green IMG
4 ENWP-S. Green IMG
5 EPGT-NIT Stanfield
6 EPGT-NIT Stanfield
7 ENWP-Stanfield IMG
8 ENWP..JP2 Stanfield IMG
9 ENWP-Stanfield IMG
EIMG-IMG Boise
ELAT-BOI IMG Boise
ELAT-CAN IMG Canyon 0.4
ELAT-CAN IMG Idaho Fall~0.4
ELAT-SUN IMG Sun Valle)
FNWP-Sumas IMG
FNWP-Stanfield IMG
FNWP-N. Green IMG
FNWP-S. Green IMG 0.2 0.2
FPGT-NIT Stanfield
XLAT-CAN IMG Canyon
XLAT-CAN2 IMG Canyon
XLAT-IF1 IMG Idaho Fall
XLAT-IF2 IMG Idaho Fall~
XLAT-SUN IMG Sun Valle~
FLAT-BOI IMG Boise
FLAT-CAN IMG Canyon
FLAT-IMG Idaho Fall~
FLAT-SUN IMG Sun Valle)
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
Year 5
Intermountain Gas IRP
2005-09 IRP Model
Transport Utilization
Scenario: Design Base Case
April 2004
5 Year
Number of periods Transport Transport Capacity by Period in MMBTU Per Da'Annual
Number of Resources Capability Volume in
Resource From mmbtu/day Arc mmbtu
1 ENWP-SU Sumas IMG 41,146 24,437 24,437 24,437 24,437 24,437 24,437 437 437 24,437 937 937 937 757,560
2 ENWP-Stanfield IMG 86,800 86,800 86,800 86,800 800 86,800 800 68,357 557 326 37,705 768 178 690 800
3 ENWP-N. Green IMG 33,026 026 026 33,026 33,026 33,026 026 350 31,550 26,955 18,455 102 18,455 023,806
4 ENWP-S. Green IMG 358 358 358 358 358 358 358 358 321 396 669 633 871,098
5 EPGT-NIT Stanfield 158 32,158 32,158 32,158 666 32,158 32,158 158 32,158 32,158 500 564 128 979,438
6 EPGT-NIT Stanfield 686 194 194 194 20,686 194 17,194 12,194 12,194 189 550,474
7 ENWP-Stanfield IMG 000 13,200
8 ENWP-JP2 Stanfield IMG 500 500 500 22,500 22,500 13,495 314 672 356 856
9 ENWP-Stanfield IMG 000 72,000 72,000 68,042 289 336 529
EIMG-IMG Boise 500 000
ELAT-BOI IMG Boise 315 000 252 817 260 716 267,221 223,645 207 177 200 655 191 686 178 299 147,130 101,204 135 108 632,784
ELAT-CAN IMG Canyon 500 59,500 59,500 500 249 47,425 45,933 43,972 40,881 33,664 035 705 717 516 711
ELAT-CAN IMG Idaho Fall 000 69,000 68,176 000 67,543 63,612 058 011 795 49,330 38,343 32,829 758 990 595
ELAT-SUN IMG Sun Valle\14,400 14,400 14,400 14,175 517 10,515 121 601 785 884 079 667 340,553
FNWP-Sumas IMG 50,000
FNWP-Stanfield IMG 50,000 757 757 757 757 757 757 147,460
FNWP-N. Green IMG 50,000 929 929 13,929 929 929 929 211,796
FNWP-S. Green IMG 000 963 963 963 963 032 251 361,433
FPGT-NIT Stanfield 000
XLA T -CAN IMG Canyon 500
XLAT-CAN2 IMG Canyon 10,000 898 398 842 980
XLAT-IF1 IMG Idaho Fall 500 500 500
XLAT-IF2 IMG Idaho Fall 14,500 500 500 970 939
XLAT-SUN IMG Sun Valle\000 000 974 883 974
FLAT-BOI IMG Boise 50,000
FLAT-CAN IMG Canyon 000
FLAT-IMG Idaho Fall 50,000
FLAT-SUN IMG Sun Valle\50,000
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
799,786 799 786 791,870 668,365 617 915 597 991 560 996 524 977 424 468 279,927 198 339 151,164
Year 5
Transport Transport Capacity bv Period in MMBTU Per Da\Annual
Transport Utilization Rate Capability Volume in
101 111 mmbtu/dav Arc mmbtu
Area/Node From Area/Node To Peak
ARC#Name Area #Area #ARC # Max Demand
1 Sumas 11MG 91,146 24,437 24,437 437 24,437 24,437 24,437 24,437 437 24,437 937 15,937 937
2 Stanfield 21MG 246 300 186,057 186 057 182,099 125,346 105,052 94,871 98,229 557 69,326 37,705 26,768 178
3 N. Greer 31MG 83,026 46,955 955 46,955 955 36,955 36,955 350 550 26,955 18,455 102 455
4 S. Green 41MG 110 358 321 68,321 321 68,321 73,390 609 358 58,321 396 669 633
5 NIT 5 Stanfield 62,844 49,352 352 49,352 49,352 352 49,352 352 352 39,347 20,500 564 128
61MG 6 Boise 875,500 304 213 252,817 260 716 267,221 223 645 207 177 200,655 191 686 178,299 147 130 101 204 78,135 66,108
7 IMG 6 Canyon 119 500 398 68,398 898 61,342 51,249 47,425 45,933 972 40,881 664 035 705 717
81MG 6 Idaho Fa 137,000 87,950 000 676 970 543 612 62,058 011 56,795 330 343 32,829 29,758
91MG 6 Sun Vall 66,400 16,450 16,450 374 175 517 10,515 121 601 785 884 079 667 883
Transport Lateral + Storage = Peak Demand 477,010 799 786 799,786 791 870 668 365 617 915 597,991 560 996 524 977 424,468 279,927 198,339 151 164
Storage CW Boise 396 26,178
Storage CW Canyon I
Storage (Q)Idaho Falls 950
Stora e tW Sun Valley
Total Boise 304 213 304 213 286 894 267 221 223,645 207,177 200 655 191 686 178,299 147,130 101 204 135 108
Total Canyon I 398 398 898 342 249 425 933 972 881 33,664 035 705 717
Total Idaho Falls 950 950 676 970 543 612 62,058 011 795 49,330 343 32,829 758
Total Sun Valley 450 450 374 175 11,517 515 121 601 785 884 079 667 883
477,010 477,010 450 843 420 707 353,954 328,729 318,767 305 270 284 760 237,008 166 661 131,335 112,466
-..
From Above TolMG TTransport 325,770 325,770 321 812 265 059 239 834 229 872 211,374 195,865 148 113 766 57,440 571
From Above To Laterals ITransnort 424665 424665 420 707 353954 328729 318767 305270 284 760 237,008 166661 131 335 112466
From Utilization Storace 52 346 26178
From Above Total Stra & Transoort 477010 450843 420,707 353954 328729 318767 305270 284760 237.008 166,661 131 335 112466
From Gas Utilization Gas Sunnlv Sunnlv 477010 450.843 420707 353954 328729 318767 305270 284 760 237.008 177 992 169639 177992
No Cost CW Sumas/SGreen/Stan 1 & T-Sunolv 20097 20097 20097 20.097 20097 20097 20097 20,097 20097 20097 20097 20097
IGC own suoolv Suoolv 393018 366851 336,715 269962 244 737 234 775 221 277 200 768 153016 000 85647 94000
No Cost Gas (Q) IMG 3&T-4 Suoolv 63895 63895 63895 63895 63895 63895 63895 63895 63895 63.895 63895 63895
From LDC Dist Demand 477010 450.843 420707 353954 328729 318767 305270 284,760 237,008 166661 131 335 111623
Davs Volumes below
From Gas Utilization Gas Suoolv Volume Sup~477010 450843 841413 1 769771 2629832 4462740 9463356 7973284 14457511 10857518 10347971 16375272 80106521
No Cost (Q) Sumas/SGreen/Stan 1 & T-Volume SuO!20097 20097 40 194 100485 160776 281 358 623 007 562716 225917 1 225917 1 225 917 1 848 924 7335405
IGC own supply Volume SuO!393018 366.851 673429 1349811 1 957895 3286,851 6859601 5621 505 9333994 734 000 5 224 454 8 648 000 49 449 408
No Cost Gas (QJ IMG 3 & T-4 Volume SUPI 63,895 895 127 790 319,475 511,161 894 531 980,748 789 063 897 601 897 601 897,601 878 348 321 708
From LDC Demand 477010 450.843 841413 1 769771 2629832 4,462,740 9463356 7973284 14457511 10,166319 011 457 10269272 70,972 808
StoraQe Injections 691 199 2336514 6 106001 133 713
Year 5
Intermountain Gas IRP
2005-09 IRP Model
Transport Cost Summary
Scenario: Design Base Case
April 2004
Transport Transport Transport Total
Annual Variable Variable Variable Transport
5 Year Volume Cost Inflation Cost Cost
Resource mmbtu $/mmbtu Factor Nominal $s Nominal $s
1 ENWP-757 560 $0.036 $29 602 $29,602
2 ENWP-690,800 $0.036 $105,145 $105 145
3 ENWP-023 806 $0.036 $40,006 $40 006
4 ENWP-871 098 $0.036 $73 115 $73 115
5 EPGT-979,438 $0.010 $10,655 $10,655
6 EPGT-550,474 $0.010 988 $5,988
7 ENWP-$0.030
8 ENWP-JP2 356,856 $0.030 $11 588 $11 588
9 ENWP-336 529 $0.030 $10,928 $10,928
EIMG-$0.0001
ELAT-BOI 632 784 $0.0001 $663 $663
ELAT-CAN 516 711 $0.0001 $152 $152
ELAT-CAN 990,595 $0.0001 $199 $199
ELAT-SUN 340,553 $0.0001 $37 $37
FNWP-$0.300
FNWP-147,460 $0.300 $44,238 $44 238
FNWP-211 796 $0.300 $63,539 $63 539
FNWP-361,433 $0.300 $108,430 $108,430
FPGT -$0.180
XLA T -CAN $0.000150
XLAT-CAN2 18,980 $0,0002
XLAT-IF1 500 $0.0002
XLAT-IF2 46,939 $0.0002
XLAT-SUN 974 $0.0002
FLAT-BOI $10.000
FLAT-CAN $10.000
FLAT-$10.000
FLAT-SUN $10,000 $543 $543
BLANK $0.000
BLANK $0,000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0,000
BLANK $0.000
BLANK $0.000
BLANK $0,000
BLANK $0.000
840,286 504 296 504,296
Year 5
Year 5
ANNUAL SUMMARY
Total Transport Cost
$504,296
Total Resource Cost
$203,422,650
TotallRP Costs
$203,926,946
PV$s
185,388,133
Exhibit No.
REVISED EXHIBIT
Model Results
Low Growth
Idaho piYbJle Utllltfi. Oomml,.fon
Office of tn, SeoretaryRECEIVeD
SEP 10 2004
Boise, Idaho
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I
MMBtu Capacity in MMBtu/day by Period
101 per day Storage?Total
Supply by Area Max Avail.Peak Dmd Total
Sumas 437 519 519 519 520 519 284 631 068 937 14,437 14,437 702 224 094
Stanfield 221 705 124 205 124 205 124 205 039 047 205 45,405 205 17,205 205 704 1 7,205 708 833
N. Green 71 ,955 026 026 026 026 026 026 026 026 026 18,455 455 18,455 352 598
S. Green 118 321 358 358 358 358 358 358 358 358 188 000 000 32,000 620 052
NIT 74,352 352 352 352 352 352 352 352 352 038 500 500 500 421 ,354
IMG 142 880 880 880 880 880 82,880 880 880 880 82,880 880 880 67,880 949 560
Boise 000 276 592 082 41 ,298 846 112 226
Canyon 798
Idaho Falls 700 949 5,449 089 539
Sun Valley 200 532
Totals 427 871 427 871 412 727 385 186 324 174 301 183 292 105 279 652 260 888 217 274 165,477 165 976 164 741 397,256
This check Model Peak Omd Res 2 area Res ~ area Total ~area Res from Net AT
looks at Peak Day Check darea trtoar(8)trarea(7)tarea(6)trfrar Node
Delivery of Sumas 519 519 519
supply,Stanfield 352 124 205 168 557 168 557
N. Green 026 026 026
S. Green 358 358 358
NIT 352 352 352
IMG 285 460 880 368 340 368 340
Boise 276.592 222 510 082 276 592 276 592
Canyon 798 798 798 798
Idaho Falls 77,949 500 5,449 77 ,949 77,949
Sun Valley 14,532 532 532 532
Totals 427 871 698 152 427 871 126 023 698 152 427 871
'J~,t:!i~~~
Boise Storaoe 082 298 846
Canyon Storaqe
Idaho Falls Storaqe 5,449 089
Sun Valley Storage
Year 1
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Volumes
Scenario: Design Low Growth
April 2004
Year U,'Flow Capacity in MMBtu Per Period * Number of days in period
::::~::
~:~tttt~m # of resource Area
Resource Days Totals
1 EGP-SU-Sumas 500 500 17,000 500 000 119 000 263,500 238 000 518 500 283 500
2 EGP-AL-NIT 000 000 000 000 000 000 000 000 183 000 183 000 183 000 276 000 095 000
3 EGP-AL-NIT 500 500 000 500 000 000 500 000 152 500 152,500 152 500 230 000 912 500
4 EGP-ST-Stanfield 000 000 000 000 000 140 000 310 000 280 000 610 000 510 000
5 EGP-NG-N. Green 500 500 000 500 000 91 ,000 201 500 182 000 396 500 981 500
6 EGP-NG-N. Green 000 000 000 000 000 168 000 372 000 336 000 732 000 812 000
7 EGP-SG-S. Green 915 000 915 000 380 000 210 000
8 EGP-SG-S. Green 000 000 000 000 000 000 217,000 196 000 427 000 427 000 427 000 644 000 555 000
9 EGP-SG-S. Green 000 000 000 000 000 42,000 000 84,000 183 000 453 000
EGP-CG-IMG 000 000 000 000 120 000 210 000 465 000 420 000 915 000 265 000
EGP-CG-IMG 000 000 000 000 000 140 000 310 000 280 000 610 000 610 000 610 000 920 000 650 000
~r.~~:~;~:;:j:;:j:~:~:;:::NIT 852 852 37,704 260 150 816 263 928 584,412 527 856 844 654 541 334
~r~f:l~j~~j;jj~~j~Boise 082 298 692 129 072
~:I~jj;~;;j;~;;;j~j~j;Stanfield 000 000 000 000 120 000 210 000 409 200 874 200
$.w.f.:4=t~:;~:;~:~:~:j:j'Stanfield
~w.~~:~:~~~:j:j:j:~:j:j Stanfield 000 72,000 144 000 139 169 739 465 908
~~~";~~j;~~j~~j~~
S. Green 321 321 642 241 605 386 567 617 205 1,497 948 1 ,352 985 987,438 277 032
FGP-SU1 Sumas
PGP-Sumas 582 582 164 911 84,656 850 268 745
WGP-Sumas 176 515 646 180 161
SGP-Sumas 610 000 610 000 852,334 072,334
FGP-Stanfield 30,465 30,465
PGP-Stanfield 000 000 000 100 000 160 000 280 000 620 000
WGP-Stanfield 465 000 420 000 885 000
SGP-Stanfield 610 000 610 000 920 000 140 000
PGP-NIT 000 000 000 100 000 160 000 280 000 620 000
WGP-NIT 465 000 420 000 652 190 537 190
SGP-NIT 610 000 610 000 920 000 140 000
PGP-N. Green 071 071 142 356 570 84,997 188 207
WGP-N. Green 188 207 169 993 370 343 728 543
SGP-N. Green 610 000 610 000 920 000 140 000
PGP-S. Green 037 037 074 185 297 807 122,438
WGP-S. Green 150 039 915 000 035 188
SGP-S. Green 610 000 610 000 920 000 140 000
PA-Idaho Falls 749 749
SVLNG Sun Valley
T1 &2-Sumas 437 437 875 187 499 62,124 137 560 124 248 270 682 270 682 270 682 408 242 619 657
T1&T2-Stanfield 205 205 14,410 024 638 100 867 223 348 201 ,734 439,491 439,491 439 491 662 839 629 743
T1&T2-S. Green 8,455 8,455 910 42,274 638 118 367 262 099 236 735 515 743 515 743 515 743 777 842 086 005
T3-IMG IMG 250 250 500 11 ,250 000 500 750 000 137 250 137 250 137 250 207 000 821 250
T 4-IMG IMG 630 630 111 ,260 278 150 445 040 778 820 724,530 557 640 393 430 393,430 393,430 117 960 304 950
FGP-IMG IMG
FB-IMG
MrktSell IMG
IFa Idaho Falls 700 089 789
FGP-NIT NIT
FGP-Stan Stanfield
FGP-Citygate
FGP-SU2 Sumas
BLANK
345 194 331,661 614,418 230 986 785 645 997,787 251 932 121 519 497 125 337 500 367,965 982 334 864 067
Year 1
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Volumes
Scenario: Design Low Growth
April 2004
Year Flow Capacity in MMBtu Per Period * Number of days In period
::::~:;
~:t::tt~:~8R # of resource Area
Resource Days Totals
Are Name
~$#fu~ ~:~
~~~ ;~~
t: ~~~:~ ~t~519 519 039 117 598 188 155 269 974 577 575 365 894 789 182 880 682 880 682 260 576 5,424 397
:i'C::~~:~~~~m~:~:~:~:~:(~:~124 205 124 205 248,410 400 193 456 378 730 867 1,407 548 901 734 049,491 049,491 079 956 1 ,582 839 155 316
:~:
tKqf:~~~:~:::~:~:?~:~026 026 052 165 130 264 208 462 364 1 ,023 806 924 728 014 586 125 743 125 743 697 842 936 255
$.~~~t~~:~:::~:~:::~:~:~:~358 358 120 716 301 790 482 864 845 012 871 098 690 024 512,438 952,000 952 000 944 000 792 658
~~~
Nm/~ttt::~///~~~;352 352 704 221,760 354 816 620 928 219 912 101 856 1 ,832 345 945 500 945 500 1,426 000 846 025
:~~
~Mg~~~~~:~:~:~::~~~~:::~:/t::::880 880 165,760 414,400 663 040 160 320 569 280 320 640 055 680 140 680 140 680 244 960 041,200
~$*~4: ~:~:~
~~ ~~:~
t ~ ~ ~t~ 082 298 692 129 072
~~:
~~~W~#.~:~~~~:~~t~~:~;:~;
:fI..J~JWfm~~:~~~~~~;:~449 089 539
~*,:
:~#.t~~~v.~~~M\:~)~:
422,422 409 638 770 372 620 871 409,461 089,465 669 219 304 875 253,722 094 097 124 562 156 218 324 922
Year 1
Intermountain Gas IRP
2005-09 IRP Model
Storage Injection Rates & Volume
Scenario: Design Low Growth
April 2004
Year 12 = Number of Periods
# of resource Area Injection Rate by Period
Resource Delivered
EGP-SU-Sumas
2 EGP-AL-NIT
3 EGP-AL-NIT
4 EGP-ST-Stanfield
5 EGP-NG-N. Green
6 EGP-NG-N. Green
7 EGP-SG-S. Green
EGP-SG-S. Green
EGP-SG-S. Green
EGP-CG-IMG
EGP-CG-IMG
:m:f.~;:;:;:;:;:;:;:;:;:;:;:NIT 0.4
1 31:~:~*~:;:;:;:;:;:;:~:;:;:;:Boise
;ii~iI;~;;;;;;;;;;~:;;;;Stanfield
~ai.~;:;:;:;:~:;:;:~:~:;:~Stanfield
;~f..~;:;:;:~:~:;:~:~:~:~:~Stanfield 0.4
~~~::I:*~:;:~:;:~:~:;:;:~S. Green
FGP-SU1 Sumas
PGP-Sumas
WGP-Sumas
SGP-Sumas
FGP-Stanfield
PGP-Stanfield
WGP-Stanfield
SGP-Stanfield
PGP-NIT
WGP-NIT
SGP-NIT
PGP-N. Green
WGP-N. Green
SGP-N. Green
PGP-S. Green
WGP-S. Green
SGP-S. Green
PA-Idaho Falls
SVLNG Sun Valley
T1 &2-Sumas
T1&T2-Stanfield
T1 & T2-S. Green
T3-IMG IMG
T 4-IMG IMG
FGP-IMG IMG
FB-IMG
MrktSeli IMG
IFa Idaho Falls
FGP-NIT NIT
FGP-Stan Stanfield
FGP-Citygate
FGP-SU2 Sumas
BLANK
Year 1
Intermountain Gas IRP
2005-09 IRP Model
Storage Injection Rates & Volum
Scenario: Design Low Growth
April 2004
Year Injections MMBtu per period
# of resource~Area Injection Injection Check
Resource Delivered MMBtu days Totals Cost Uitization
1 EGP-SU-Sumas
2 EGP-AL-NIT
3 EGP-AL-NIT
4 EGP-ST-Stanfield
5 EGP-NG-N. Green
6 EGP-NG-N. Green
7 EGP-SG-S. Green
8 EGP-SG-S. Green
9 EGP-SG-S. Green
EGP-CG-IMG
EGP-CG-IMG
~::r.~~i:i:j:~:i:i:j:j:i:~:j.NIT 923 387,885 727,450 1 ,426 000 541,334 533 541 334
:~"!:t.~i:j:i:~~:~:;:j:fj Boise 800 129 072 129 072 86,478 129 072
~~f-i~j;~~i;:i~j;~t.Stanfield 084 874,200 874 200 874,200
~~~:j:~:jg~:;:;~::
Stanfield 084
~~~~:~:~~:~:~:~:~:;:~:;
Stanfield 939 103 525 362,383 465 908 $ 261 095 465 908
~::..::::::j:;:~:~:;:~:~:
S. Green 649 381 032 1 ,952 000 944 000 277 032 $ 130 870 277 032
FGP-SU1 Sumas
PGP-Sumas
WGP-Sumas
SGP-Sumas
FGP-Stanfield
PGP-Stanfield
WGP-Stanfield
SGP-Stanfield
PGP-NIT
WGP-NIT
SGP-NIT
PGP-N. Green
WGP-N. Green
SGP-N. Green
PGP-S. Green
WGP-S. Green
SGP-S. Green
PA-Idaho Falls
SVLNG Sun Valley
T1&2-Sumas
T1&T2-Stanfield
T1 & T2-S. Green
T3-IMG IMG
T 4-IMG IMG
FGP-IMG IMG
FB-IMG
MrktSell IMG
IFa Idaho Falls
FGP-NIT NIT
FGP-Stan Stanfield
FGP-Citygate
FGP-SU2 Sumas
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Year 1
Intermountain Gas IRP
2005-09 IRP Model
Variable Cost Summary
Scenario: Design Low Growth
April 2004
:::::::::::::::::::::::::::: :::::::::::
)),1 ~ r~ ~ ~~~::p ~~ n~W~m ~ tV: ~V::~ ~:$. ~4 roc. t;f::::::::::::::::::::::::::::::)::::::::
Year Annual Total Total
# of resources Volume Annual Injection Variable Variable
Resource MMBtu $/MMBtu Cost Cost Cost
EGP-SU-283 500 $5.849 602 849 602
EGP-AL-1 ,095 000 $4.022 807 022 807
EGP-AL-912 500 $4.369 085 369 085
EGP-ST-510 000 $5.058 355 058 355
5 EGP-NG-981 500 $5.992,556 992 556
EGP-NG-812 000 $5.217,026 217 026
7 EGP-SG-210 000 $4.528 550 528 550
8 EGP-SG-555 000 $4.11 ,664 372 664 372
9 EGP-SG-453 000 $5.304 257 304 257
EGP-CG-265 000 $5.40 223,433 223,433
EGP-CG-650 000 $4,706 188 706 188
::m~~:j:.r:~~;:~;:;:;:~:~:;:;:~:~:;:~:~:~:;:;:541 334 $4.$63 533 089 077 152 610
j;~~~i=.~ r. ~~J t ~~
j ~~ j~;; ~~; j;~; ~~;;;;
129 072 $5.$86,478 673,498 759 976
J~~~;ir~iJ~~~j~;~~~;~;;~;;;;~j;~~;;~;;874 200 $4.178 772 178 772
;:~:~~j
~m*-:~:~:~:;:~:~:~:;:;:j:;~:;;~:;:;$0.
j;~j~i;$.1~"$;:;:;:~:;:~:~:~:;:j:~:;:;:;:;:;:;465 908 $5.$261 095 2,431 109 692 204
~;;~j~j
i~r.~~~~;~~j~j;j;m~j;~j~~;;~;~;277 032 $4.$130 870 301 099 25,431 969
FGP-SU1 $0,
PGP-268 745 $5.1,493 683 493 683
WGP-180 161 $5.44 979 716 979 716
SGP-072 334 $4.952 707 952,707
FGP-30,465 $5.155 996 155 996
PGP-620 000 $5,328 160 328 160
WGP-885 000 $5.24 635 630 635 630
SGP-140 000 $4.190 233 190 233
PGP-620 000 $5.284 760 284 760
WGP-537,190 $5.834 025 834 025
SGP-140 000 $4.061,833 061 833
PGP-188 207 $5.999 003 999 003
WGP-728 543 $5.3,701 105 701 105
SGP-140 000 $4.019 033 019 033
PGP-122,438 $5.649 899 649 899
WGP-035 188 $5.184 068 184 068
SGP-140 000 $4.019 033 019 033
PA-749 $8,991 991
SVLNG $0.
T1 &2-619 657 $0.
T1 & T2-629,743 $0.
T1&T2-086 005 $0.
T3-IMG 821 ,250 $0.
T4-IMG 304 950 $0.
FGP-IMG $0.
FB-$0.
MrktSell $0.
IFO 789 $7.850 850
FGP-NIT $0.
FGP-Stan $0.
FGP-$0,
FGP-SU2 $0.
BLANK $0.
Year 1
Intermountain Gas IRP
2005-09 IRP Model
Variable Cost Summary
Scenario: Design Low Growth
April 2004
Year Annual
50 # of resources Volume Period Period Period Period Period Period Period Period Period Period Period Period
Resource MMBtu
1 EGP-SU-283 500 $46 563 $46 563 $93 126 $232 815 $372 504 $651 882 $1,422 373 $1,284 724 699 052
2 EGP-AL-095 000 $15 684 $15 684 $31 368 $78 420 $125,472 $219 576 $478 764 $432 432 $906 857 $819 017 $755 882 143 652
3 EGP-AL-912 500 $13 573 $13 573 $27 145 $67 863 $108 580 $190 015 $414 548 $374 430 $786 366 $713 166 $660 554 $999 273
4 EGP-ST-510 000 $54 780 $54 780 $109 560 $273 900 $438 240 $766 920 $1 ,673 380 511,440 175 355
5 EGP-NG-981 500 $33 982 $33 982 $67 964 $169 910 $271 856 $475 748 $1,037 322 $936 936 964 856
6 EGP-NG-812,000 $62 736 $62 736 $125,472 $313 680 $501 888 $878 304 915 056 729 728 627,426
7 EGP-SG-210 000 076 783 761 108 690 660
8 EGP-SG-555 000 $36 526 $36 526 $73 052 $182 630 $292,208 $511 364 114 946 007 048 111 729 898 229 750 914 649 201
9 EGP-SG-453 000 $15 684 $15 684 $31 368 $78,420 $125,472 $219 576 $478 764 $432,432 $906 857
EGP-CG-265 000 $83 070 $83 070 $166 140 $415 350 $664 560 $1,162 980 537 970 $2,292 360 817,933
EGP-CG-650 000 $52 180 $52,180 $104 360 $260 900 $417 ,440 $730 520 $1,592 780 $1,438 640 016 755 723 955 513 505 802 973
:~:~~~
~~! f.l~~:: :::: ~~
~:~:~: ~: ~:~:~:~:
541 334 $89 679 $89 679 $179 357 $448 393 $717,429 255 500 780 036 511 000 018 004
~~~~~~~~
i~ ~
~~~~~~~~~~~
~1
~~ ~~ ~~
~1~
~~~
~1~~ 129 072 $282 200 $215,494 $175 804
~~
i~ ~J~ ~ ~~~l~~~~~
~~
~1~~ 874 200 $71 702 $71 702 $143,403 $358 508 $573 613 003 823 956 021
~~~~~~
:~Im
~~ ~~:~~~
~~~~~~~m~~~:~
~~ ~:~:~~
~~t ~ 1~
:~~~ :~~~~~
:~~1
:~~~:~ ~~ ~~
465 908 $375 696 $375 696 $751 392 $726 183 $202 142
~~~~~~
~~ ~1Ji~,
~~ ~~ ~~~~~~~~~ ~~ ~~
277,032 $231 678 $231,678 $463 356 158 390 853 424 959 232 $7,182 018 $6,486 984 $4,734 340
FGP-SU1
PGP-268 745 $58 814 $58 813 $117 628 $294 079 $470 518 $493 830
WGP-180 161 $959 889 $19 828
SGP-072,334 769 705 574 505 608,497
FGP-30,465 $155 996
PGP-620 000 $107 360 $107 360 $214 720 $536 800 $858 880 $1 ,503 040
WGP-885 000 $2,435 670 199 960
SGP-140 000 766 655 556 205 867 373
PGP-620 000 $105 960 $105 960 $211 920 $529 800 $847 680 $1,483,440
WGP-537 190 $2,407 770 174 760 251 495
SGP-140 000 730 055 519 605 812 173
PGP-188 207 $32 226 $32 226 $64,452 $161 129 $257 807 $451 162
WGP-728 543 $974 536 $880 226 846 344
SGP-140 000 $2,717,855 $2,507,405 793 773
PGP-122,438 $10 813 $10 813 $21 626 $54 064 $86 503 $466 080
WGP-035 188 $326 990 $295 345 561 733
SGP-140 000 717 855 507,405 793 773
PA-749 991
SVLNG
T1 &2-619 657
T1 & T2-629 743
T1 & T2-086 005
T3-IMG 821 250
T 4-IMG 304 950
FGP-IMG
FB-
MrktSell
IFa 789 $36 716 $24 134
FGP-NIT
FGP-Stan
FGP-
FGP-SU2
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Year 1
Intermountain Gas IRP
2005-09 IRP Model
Transport Utilization
Scenario: Design Low Growth
April 2004
Year
Number of periods 12 = Number of Periods Transport
Number of Resources Transport Utilization Rate Capability
Resource From MMBtu/day
1 ENWP-Sumas IMG 0.4 0.4 41,146
2 ENWP-Stanfield IMG 800
3 ENWP-N. Green IMG 026
4 ENWP-S. Green IMG 0.4 358
5 EPGT-NIT Stanfield 158
6 EPGT -NIT Stanfield 0.4 686
7 ENWP-Stanfield IMG 000
8 ENWP-JP2 Stanfield IMG 500
9 ENWP-Stanfield IMG 0.4 000
EIMG-IMG Boise 500 000
ELA T -BOI IMG Boise 0.4 315 000
ELAT-CAN IMG Canyon 500
ELA T -CAN IMG Idaho Falls 0.4 0.4 000
ELA T -SUN IMG Sun Valley 0.4 0.2 14,400
FNWP-Sumas IMG 000
FNWP-Stanfield IMG 000
FNWP-N. Green IMG 000
FNWp.S. Green IMG 000
FPGT-NIT Stanfield 000
XLAT-CAN IMG Canyon 500
XLA T -CAN2 IMG Canyon 000
XLAT-IF1 IMG Idaho Falls 500
XLAT-IF2 IMG Idaho Falls 500
XLAT-SUN IMG Sun Valley 000
FLAT-BOI IMG Boise 000
FLAT-CAN IMG Canyon 000
FLAT-IMG Idaho Falls 000
FLAT-SUN IMG Sun Valley 000
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Year 1
Intermountain Gas IRP
2005-09 IRP Model
Transport Utilization
Scenario: Design Low Growth
April 2004
1 Year
Number of periods Transport Capacity by Period in MMBtu Per Day Annual
Number of Resources Volume in
Resource From Arc MMBtu
1 ENWP-Sumas IMG 519 519 41,146 520 519 284 631 068 937 14,437 14,437 702 705 058
2 ENWP-Stanfield IMG 557 557 557 557 81 ,557 557 71 ,557 557 243 346 582 764 528 260
3 ENWP-N. Green IMG 026 026 026 026 026 026 026 026 026 18,455 18,455 18,455 023 806
4 ENWP-S. Green IMG 358 358 358 358 358 358 358 358 188 754 871 098
5 EPGT-NIT Stanfield 158 158 32,158 158 158 158 158 158 352 575 996 898
6 EPGT-NIT Stanfield 194 194 194 194 194 194 194 194 686 141 378 014
7 ENWP-Stanfield IMG 000 000 000 000 000 000 200 465 000
8 ENWP-JP2 Stanfield IMG
9 ENWP-Stanfield IMG 000 000 000 834 842 465 908
EIMG-IMG Boise
ELA T -BOI IMG Boise 222 510 225 257 231,458 207,872 192 640 186 612 178 199 165 763 136 861 94,177 617 123 103 728
ELA T -CAN IMG Canyon 798 649 735 44,065 788 500 815 153 954 814 216 656 320 557
ELAT-CAN IMG Idaho Falls 000 000 000 61,797 220 814 936 011 218 183 110 318 846 141
ELA T -SUN IMG Sun Valley 14,400 934 847 10,440 534 178 8,702 962 241 698 2,411 310 999
FNWP-Sumas IMG
FNWP-Stanfield IMG
FNWP-N. Green IMG
FNWP-S. Green IMG
FPGT-NIT Stanfield
XLAT-CAN IMG Canyon
XLA T -CAN2 IMG Canyon
XLAT-IF1 IMG Idaho Falls 500 500 300 11 ,600
XLA T -IF2 IMG Idaho Falls
XLAT-SUN IMG Sun Valley 132 703 132
FLAT-BOI IMG Boise
FLAT-CAN IMG Canyon
FLAT-IMG Idaho Falls
FLAT-SUN IMG Sun Valley
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Year 1
Transport Transport Capacity by Period in MMBtu Per Day Annual
Transport Utilization Rate Capability Volume in
101 MMBtu/day Arc MMBtu
Area/Node From Area/Node To Peak
ARC#Name Area #Area #ARC # Max Demand
1 Sumas 1 IMG 146 519 519 146 520 519 284 631 068 937 437 14,437 13,702 P!'J::'.K D.:.m::'.no;:
2 Stanfield 2 IMG 246 300 168 557 168 557 168 557 124 391 101 399 557 84,757 557 243 346 582 764
3 N. Green 3 IMG 026 026 026 026 026 026 026 026 026 026 455 18,455 455
4 S. Green 4 IMG 110 358 358 358 358 358 358 358 358 358 188 754
5 NIT 5 Stanfield 62,844 352 352 352 352 352 352 352 352 038 141 575
6 IMG 6 Boise 875 500 276 592 222 510 225 257 231,458 207 872 192 640 186 612 178 199 165 763 136 861 177 617 123
7 IMG 6 Canyon 119 500 798 798 649 735 065 788 500 815 153 954 814 216 656
8 IMG 6 Idaho Fa 137 000 77,949 500 500 300 797 220 814 936 011 218 183 110 318
9 IMG 6 Sun Vall 66,400 532 532 934 847 10,440 534 178 8,702 962 241 698 2,411 703
Transport Lateral + Storage = Peak Demand 427 871 698 152 698 152 715 779 609 820 563 837 545 681 515,776 478 249 381,707 247 005 176 402 139 721
Storage ~Boise 082 298 846
Storage ~Canyon I
Storage ~Idaho Falls 449 089
Storage Sun Valley
Total Boise 276,592 276,592 266 555 248,304 207,872 192,640 186 612 178,199 165 763 136 861 94,177 72,617 62,123
Total Canyon I 798 798 649 52,735 44,065 788 39,500 37,815 35,153 954 19,814 15,216 12,656
Total Idaho Falls 77,949 77 ,949 75,589 71,300 61,797 58,220 56,814 936 52,011 45,218 35,183 110 27,318
Total ~Sun Valley 14,532 532 13,934 12,847 440 534 178 702 962 241 698 411 703
427 871 427 871 412 727 385 186 324 174 301 183 292 105 279 652 260 888 217 274 152 872 120 354 103 800
. . ..,.,.:. .
From Above TolMG Transport 285 460 285,460 303 087 241 294 218 303 209 225 196 772 178 008 134 394 l 992 474 920
From Above To Laterals Transport 368340 368340 368340 324 174 301 183 292105 279,652 260888 217 274 152 872 120 354 103 800
From Utilization Storaae 59531 44 387 16 846
From Above Total Stra & Transport 427.871 412 727 385 186 324,174 301,183 292105 279.652 260.888 217,274 152,872 120,354 103,800
From Gas Utilization Gas Supply Supply 427,871 412727 385 186 324174 301 183 292105 279 652 260888 217 274 165,477 165 976 164741
No Cost (Q! Sumas/SGreen/Stan 1 & T-Supply 20097 20097 20097 20 097 20 097 097 20097 20097 097 097 097 20097
IGC own supplY Supply 349894 334 750 307 209 246197 223206 214128 201 675 182911 139297 87 500 999 86 764
No Cost Gas (m IMG 3 & T-Supply 57 880 57880 57 880 57880 57 880 57 880 57 880 57 880 57 880 57 880 880 880
From LDC Dist Demand 427,871 412727 385 186 324.174 301183 292 105 279.652 260,888 217 274 152,872 120,354 102,397
Days Volumes below
From Gas Utilization Gas Supply Volume Sur 427 871 412727 770 372 1 620 871 2409 461 4089465 669219 7 304 875 253 722 10094 097 124 562 156218 74333461
No Cost ~ Sumas/SGreen/Stan 1 & T-Volume Su 20097 20097 194 100485 160776 281 358 623007 562716 225917 1 225917 225 917 1 848 924 7 335,405
IGC own supply Volume SUI 349894 334 750 614418 1 230986 1 785 645 2 997 787 251 932 121519 8,497 125 5 337 500 5367 965 7982334 45 871 856
No Cost Gas ~ IMG 3 & T-Volume SUI 880 880 115 760 289,400 463 040 810 320 794 280 620 640 530 680 530 680 530 680 324 960 126 200
From LDC Demand 427 871 412727 770 372 1 620 871 2 409 461 4089465 8669219 304875 253 722 9325180 341 587 9420563 65045914
Storaqe Iniections 768917 2 782 975 5735655 9 287 546
Year 1
Intermountain Gas IRP
2005-09 IRP Model
Transport Cost Summary
Scenario: Design Low Growth
April 2004
Transport Transport Transport Total
Annual Variable Variable Variable Transport
1 Year Volume Cost Inflation Cost Cost
Resource MMBtu $/MMBtu Factor Nominal $s Nominal $s
1 ENWP-705 058 $0.036 $25,453 $25,453
2 ENWP-528 260 $0.036 $91 270 $91 270
3 ENWP-023 806 $0.036 $36 959 $36 959
4 ENWP-871 098 $0,036 $67 547 $67 547
5 EPGT-996 898 $0,010 $10 019 $10 019
6 EPGT -378 014 $0.010 799 799
7 ENWP-465 000 $0.030 $13 950 $13 950
8 ENWP-JP2 $0.030
9 ENWP-465 908 $0.030 $13 977 $13 977
EIMG-$0.000
ELA T-BOI 103 728 $0.000 $610 $610
ELAT-CAN 320 557 $0.000 $132 $132
ELAT-CAN 846 141 $0.000 $185 $185
ELAT-SUN 310 999 $0.000 $31 $31
FNWP-$0.300
FNWP-$0,300
FNWP-$0.300
FNWP-$0.300
FPGT-$0.180
XLAT-CAN $0.000
XLAT-CAN2 $0.000
XLAT-IF1 600 $0.000
XLAT-IF2 $0.000
XLA T-SUN 132 $0.000
FLAT-BOI $10.000
FLAT-CAN $10.000
FLAT-$10.000
FLAT-SUN $10.000
BLANK $0,000 #NUM!#NUM!#NUM!
BLANK $0.000 #NUM!#NUM!#NUM!
BLANK $0.000 #NUM!#NUM!#NUM!
BLANK $0.000 #NUM!#NUM!#NUM!
BLANK $0.000 #NUM!#NUM!#NUM!
BLANK $0.000 #NUM!#NUM!#NUM!
BLANK $0.000 #NUM!#NUM!#NUM!
BLANK $0.000 #NUM!#NUM!#NUM!
BLANK $0.000 #NUM!#NUM!#NUM!
BLANK $0.000 #NUM!#NUM!#NUM!
BLANK $0.000 #NUM!#NUM!#NUM!
BLANK $0.000 #NUM!#NUM!#NUM!
027 199 263 934 263 934
Year 1
Year 1
ANNUAL SUMMARY
Total Transport Cost
$263,934
Total Resource Cost
$217,707,485
TotaliRP Costs
$217,971 419
PV $s
198,155,835
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Rates
Scenario: Design Low Growth
April 2004
Year 2
Year = Number of periods
50 # of resources Area Utilization rates by period
Resource Delivered
1 EGP-SU-Sumas
2 EGP-AL-NIT
3 EGP-AL-NIT
4 EGP-ST-Stanfield
5 EGP-NG-N. Green
6 EGP-NG-N. Green
7 EGP-SG-S. Green
8 EGP-SG-S. Green
9 EGP-SG-S. Green
EGP-CG-IMG
EGP-CG-IMG
NIT
Boise
Stanfield
15 .Stanfield
16
...
Stanfield
EST-S. Green 0.4
FGP-SU1 Sumas
PGP-Sumas
WGP-Sum as
SGP-Sum as
FGP-Stanfield
PGP-Stanfield
WGP-Stanfield
SGP-Stanfield
PGP-NIT
WGP-NIT
SGP-' NIT
PGP-N. Green
WGP-N. Green 0.4 0.4
SGP-N. Green
PGP-S. Green
WGP-S. Green
SGP-S. Green
PA-Idaho Falls
SVLNG Sun Valley
Sumas
Stanfield
S. Green
IMG
IMG
FGP-IMG IMG
FB-IMG
MrktSell IMG
IFO Idaho Falls
FGP-NIT NIT
FGP-Stan Stanfield
FGP-Citygate
FGP-SU2 Sumas
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Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Rates
Scenario: Design Low Growth
April 2004
Year
50 # of resources Area MMBtu Capacity in MMBtu/day by Period
Resource Delivered per day Storage?Total
1 EGP-SU-Sumas 500 500 500 500 500 500 500 500 500 500 500
2 EGP-AL-NIT 000 000 000 000 000 000 000 000 000 000 000 000 000 000
3 EGP-AL-NIT 500 500 500 500 500 500 500 500 500 500 500 500 500 000
4 EGP-ST-Stanfield 000 000 000 10,000 000 000 000 000 000 10,000 000
5 EGP-NG-N. Green 500 500 500 500 500 500 500 500 500 500
6 EGP-NG-N. Green 000 12,000 000 000 000 000 12,000 000 000 108 000
7 EGP-SG-S. Green 000 000 000 000
8 EGP-SG-S. Green 000 000 000 000 000 000 000 000 000 000 000 000 000
9 EGP-SG-S. Green 000 000 000 000 000 000 000 000 000 000
EGP-CG-IMG 000 000 000 000 000 000 000 000 000 000 135 000
EGP-CG-IMG 000 000 000 000 000 000 000 000 000 000 10,000 000 000 120,000
NIT 852 852 852 852 852 852 852 852 852 847 164 663
Boise 000 303 886 327 102 516
Stanfield 000 000 000 000 000 000 000 200 103 200
Stanfield 500
Stanfield 72,000 000 000 000 079 239 079
EST -S. Green 321 321 321 321 319 206 321 321 251 394 701
FGP-SU1 Sum as
PGP-Sumas 000
WGP-Sumas 000
SGP-Sumas 000 7,479 000 000 27,479
FGP-Stanfield
PGP-Stanfield 000 000 000 000 000 000 000 120 000
WGP-Stanfield 000 000 000 000 000
SGP-Stanfield 000 000 000 000 000
PGP-NIT 000 000 000 20,000 000 000 000 120 000
WGP-NIT 000 000 000 000 000
SGP-NIT 000 000 10,000 000 000
PGP-N. Green 071 071 071 071 071 071 427
WGP-N. Green 071 071 142
SGP-N. Green 000 000 008 008w", ,
PGP-S. Green 000 128 127 128 128 128 128 102 767
WGP-S. Green 000 315 678 035
SGP-S. Green 000 000 10,000 000 000
PA-Idaho Falls 000 000
SVLNG Sun Valley 200
Sumas 4,437 4,437 437 4,437 4,437 4,437 4,437 4,437 437 4,437 4,437 437 4,437 249
Stanfield 205 205 205 205 205 205 205 205 205 205 205 205 86,457
S. Green 8,455 8,455 455 455 8,455 8,455 8,455 8,455 8,455 8,455 8,455 8,455 101,458
IMG 6 2 250 250 250 250 250 250 250 250 250 250 250 250 250 000
IMG 076 076 076 076 076 076 076 076 076 076 076 076 684 917
FGP-IMG IMG
FB-IMG 6 5 000
MrktSeli IMG
:.....
IFa Idaho Falls 700 089 789
FGP-NIT NIT 5 5 000
FGP-Stan Stanfield
FGP-Citygate 000
FGP-SU2 Sumas
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Totals 435 298 414 270 386 622 325 374 302 293 293 180 280 682 261 846 218,063 164,402 166,923 164,932 413 886
Year 2
MMBtu Capacity in MMBtu/day by Period
101 per day Storage?Total
SupplY by Area Max Avail,Peak Dmd Total
Sumas 000 937 937 937 937 937 937 937 937 12,937 916 14,437 14,437 157,228
Stanfield 214 500 124 205 124,205 124,205 75,284 52,205 205 45,405 32,205 32,205 205 205 205 713,736
N, Green 63,500 026 026 026 33,026 33,026 33,026 33,026 33,026 26,955 455 18,455 16,463 344,535
S, Green 118,321 75,449 75,448 449 75,449 75,447 334 65,636 59,999 293 000 000 000 692,503
NIT 352 352 352 352 352 352 352 39,352 352 347 500 15,500 500 425 663
IMG 000 326 326 84,326 326 326 326 326 326 326 69,326 326 69,326 966,917
Boise 000 279 471 303 36,886 327 102 516
Canyon 60,400
Idaho Falls 000 80,759 700 089 10,789
Sun Valley 200 14,668
Totals 435,298 435 298 414 270 386,622 325 374 302 293 293,180 280,682 261 846 218,063 164 402 166,923 164 932 413 886
This check Model Peak Dmd Res 2 area Res ~ area Total ~area Res from Net at
looks at Peak Day Check darea(2)trtoar(8)trarea(7)tarea(6)trfrar(9)Node
Delivery of 121 1 Sumas 937 937 937
supply,122 Stanfield 44,352 124 205 168 557 168,557
123 N. Green 026 33,026 026
124 S. Green 75,449 75,449 449
125 NIT 352 352 352
126 IMG 289,969 326 374,295 374 295
127 Boise 279,471 226,168 53,303 279,471 279 471
128 Canyon 60,400 60,400 60,400 400
129 Idaho Falls 80,759 73,059 700 759 80,759
130 Sun Valley 14,668 668 668 668
Totals 435,298 708,616 435 298 143,914 708 616 435 298
Storage by Period '
. ". .'." ...
Boise Storage 303 886 327
Canyon Storage
Idaho Falls Storaqe 700 089
Sun Valley Storage
Year 2
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Volumes
Scenario: Design Low Growth
April 2004
Year Flow Capacity in MMBtu Per Period * Number of days in period
~.II.I # of resource Area
Resource Days Totals
1 EGP-SU-Sumas 500 500 000 500 68,000 119,000 263,500 238,000 518,500 283,500
2 EGP-AL-NIT 000 000 000 000 000 000 000 000 183 000 183,000 183,000 276,000 095 000
3 EGP-AL-NIT 500 500 000 500 000 000 500 000 152 500 152 500 152 500 230 000 912,500
4 EGP-ST-Stanfield 000 000 20,000 000 000 140,000 310 000 280,000 610 000 510,000
5 EGP-NG-N. Green 500 500 000 500 000 000 201 500 182 000 396 500 981 500
6 EGP-NG-N. Green 000 000 000 000 000 168 000 372 000 336 000 732 000 812 000
7 EGP-SG-S. Green 915 000 915,000 380,000 210,000
8 EGP-SG-S. Green 000 000 14,000 000 000 98,000 217 000 196,000 427 000 427 000 427 000 644 000 555,000
9 EGP-SG-S. Green 000 000 000 15,000 000 42,000 93,000 000 183 000 453,000
EGP-CG-IMG 000 15,000 000 000 120,000 210 000 465 000 420 000 915,000 265,000
EGP-CG-IMG 10,000 10,000 20,000 000 000 140 000 310,000 280,000 610,000 610,000 610,000 920 000 650,000
NIT 852 18,852 704 260 150 816 263 928 584,412 527 856 844 654 541,334
Boise 303 886 654 114 843
Stanfield 15,000 000 000 000 120 000 210,000 409 200 874 200
Stanfield
Stanfield 000 72,000 144 000 115 394 403,394
S. Green 321 321 642 241 605 386 551 548 879 497 948 352 985 052 284 273,537
FGP-SU1 Sumas
PGP-Sumas
WGP-Sum as
SGP-Sumas 456,196 610,000 920,000 986 196
FGP-Stanfield
PGP-Stanfield 000 20,000 40,000 100 000 160,000 280,000 620,000
WGP-Stanfield 465,000 420,000 915 000 800 000
SGP-Stanfield 610 000 610,000 920 000 140,000
PGP-NIT 20,000 20,000 000 100,000 160 000 280 000 620 000
WGP-NIT 465 000 420 000 915 000 800 000
SGP-NIT 610 000 610,000 920 000 140,000
PGP-N. Green 071 071 12,142 30,355 570 997 188 206
WGP-N. Green 188,207 169 993 358 200
SGP-N. Green 610,000 610,000 736,750 956,750
PGP-S. Green 17,128 127 256 641 137,024 239 795 530 971
WGP-S. Green 226,754 46,993 560 276 308
SGP-S. Green 610,000 610,000 920,000 140,000
PA-Idaho Falls 000 000
SVLNG Sun Valley
T1 &2-Sumas 4,437 4,437 875 22,187 35,499 124 137,560 124 248 270 682 270,682 270 682 408,242 619 657
T1 & T2-Stanfield 205 205 14,410 36,024 638 100 867 223,348 201 ,734 439 491 439,491 439,491 662 839 629 743
T1&T2-S. Green 8,455 455 910 42,274 638 118 367 262,099 236 735 515 743 515 743 515 743 777 842 086,005
T3-IMG IMG 250 250 500 11 ,250 000 500 750 000 137 250 137 250 137 250 207 000 821,250
T4-IMG IMG 57,076 076 114 153 285 382 456 611 799,069 769,368 598 139 3,481 659 3,481,659 3,481,659 251 027 20,832,879
FGP-IMG IMG
FB-IMG
MrktSell IMG
IFa Idaho Falls 700 089 789
FGP-NIT NIT
FGP-Stan Stanfield
FGP-Citygate
FGP-SU2 Sumas
BLANK
351 175 331 758 614 398 229 755 782 961 992 599 239,021 107 828 8,456,999 183,696 337 500 866,750 45,494 439
Year 2
Intermountain Gas IRP
2005-091RP Model
Resource Utilization Volumes
Scenario: Design Low Growth
April 2004
Year Flow Capacity MMBtu Per Period Number days period
'\~J.",J resource Area
Resource'Days Totals
Are,Name
Ifijli.~;!~!,j~!!:j~t*'if1 937 12,937 875 687 103,499 181 ,124 401 060 362 248 789,182 726 878 880 682 328 242 889 353
1;1 1Ii,IIiXgl\tJ!\iiit\;;!;;124 205 124 205 248,410 376,418 417 638 730 867 1 ,407,548 901,734 964,491 049,491 049,491 582 839 977 337
%'"
fJl1iiigli\tij!jli\11 026 026 052 165 129 264 208 462 364 023 806 924 728 644 243 125 743 125,743 514 592 382,661
~I ;$,II~giJ\;tiJil11111i 75,449 75,448 150,897 377 245 603,575 928,674 034 702 679,979 664 845 952 000 952 000 944 000 438,815
1'1 352 352 88,704 221 760 354 816 620,928 219,912 101 856 095 154 945,500 945,500 426 000 108,834
326 326 168 653 421 632 674 180 569 614 361 139 143,909 228 909 228 909 378 027 569 129
303 36,886 654 843
iii 700 089 789
11 ~if1J~ilc(iM~J1~M!
427 598 181 773,245 626,871 2,418,348 104 526 701 146 331 683 301 825 10,028 522 182 326 173 700 480,972
Year 2
Intermountain Gas IRP
2005-09 IRP Model
Storage Injection Rates & Volume
Scenario: Design Low Growth
April 2004
Year 2
Year 12 - Number of Periods
50 # of resource Area Injection Rate by Period
Resource Delivered
1 EGP-SU-Sumas
2 EGP-AL-NIT
3 EGP-AL-NIT
4 EGP-ST-Stanfield
5 EGP-NG-N. Green
6 EGP-NG-N. Green
7 EGP-SG-S. Green
8 EGP-SG-S. Green
9 EGP-SG-S. Green
EGP-CG-IMG
EGP-CG-IMG
NIT
13 .Boise 0.4
Stanfield
Stanfield
Stanfield
S. Green
FGP-SU1 Sumas
PGP-Sumas
WGP-Sumas
SGP-Sumas
FGP-Stanfield
PGP-Stanfield
WGP-Stanfield
SGP-Stanfield
PGP-NIT
WGP-NIT
SGP-NIT
PGP-N. Green
WGP-N. Green
SGP-N. Green
PGP-S. Green
WGP-S. Green
SGP-S. Green
PA-Idaho Fall~
SVLNG Sun Valley
T1 &2-Sumas
T1&T2-Stanfield
T1&T2-S. Green
T3-IMG IMG
T4-IMG IMG
FGP-IMG IMG
FB-IMG
MrktSell IMG
IFO Idaho Fall~
FGP-NIT NIT
FGP-Stan Stanfield
FGP-Citygate
FGP-SU2 Sumas
BLANK
Intermountain Gas IRP
2005-09 IRP Model
Storage Injection Rates & Volu
Scenario: Design Low Growth
April 2004
Year Injections MMBtu per period
50 # of resourc Area Injection Injection Check
Resource Delivered MMBtu days Totals Cost Uitization
1 EGP-SU-Sumas
2 EGP-AL-NIT
3 EGP-AL-NIT
4 EGP-ST-Stanfield
5 EGP-NG-N. Green
6 EGP-NG-N. Green
7 EGP-SG-S. Green
8 EGP-SG-S. Green
9 EGP-SG-S, Green
EGP-CG-IMG
EGP-CG-IMG
NIT 26,923 169 834 945,500 426,000 541 334 533 541,334
Boise 800 114 843 114 843 945 114 843
Stanfield 084 874 200 874 200 874 200
Stanfield 084
Stanfield 939 011 362 383 403 394 226 062 403,394
S. Green 649 500,589 828 948 944 000 273,537 130 784 273 537
FGP-SU1 Sumas
PGP-Sumas
WGP-Sumas
SGP-Sumas
FGP-Stanfield
PGP-Stanfield
WGP-Stanfield
SGP-Stanfield
PGP-NIT
WGP-NIT
SGP-NIT
PGP-N. Green
WGP-N. Green
SGP-N. Green
PGP-S. Green
WGP-S. Green
SGP-S. Green
PA-Idaho Fall
SVLNG Sun Valle,
T1 &2-Sum as
T1 &T2-Stanfield
T1 &T2-S. Green
T3-IMG IMG
T4-IMG IMG
FGP-IMG IMG
FB-IMG
MrktSell IMG
IFa Idaho Faile
FGP-NIT NIT
FGP-Stan Stanfield
FGP-Citygate
FGP.SU2 Sumas
BLANK
Year 2
Intermountain Gas IRP
2005-09 IRP Model
Variable Cost Summary
Scenario: Design Low Growth
Year 2
April 2004
' ..
Variable CostSummarv by Resource
Year Annual Total Total
50 # of resources Volume Annual Injection Variable Variable
Resource MMBtu $/MMBtu Cost Cost Cost
1 EGP-SU-283,500 $4.341 366 341 366
2 EGP-AL-095,000 $4.566 318 566,318
EGP-AL-912 500 $4.988 678 988,678
EGP-ST-510 000 $4.460,430 7,460,430
EGP-NG-981,500 $4.554 830 554 830
EGP-NG-812,000 $4.408,916 8,408 916
EGP-SG-210 000 $4.895,620 12,895 620
EGP-SG-555,000 $4.10,897 607 897 607
EGP-SG-453 000 $4.102 229 102 229
EGP-CG-265,000 $5.326 545 326 545
EGP-CG-650,000 $4.15,184 560 184 560
541 334 $4.$63,533 10,650,733 714,266
114 843 $5.$76,945 534 364 611 309
874 200 $4.717,098 717 098
$0.
403,394 $5.$226 062 876,994 103 056
273,537 $4.$130,784 943 186 073,970
FGP-SU1 $0.
PGP-$0.
WGP-$0.
SGP-986 196 $4.970,456 970,456
FGP-$0.
PGP-620 000 $4.977 860 977 860
WGP-800,000 $4.278,350 278,350
SGP-140,000 $3.8,493,030 8,493 030
PGP-620 000 $4.934,460 934,460
WGP-800,000 $4.170,350 170,350
SGP-140,000 $3.364 630 364,630
PGP-188,206 $4.911 481 911,481
WGP-358,200 $4.692 676 692 676
SGP-956 750 $4.868,843 868 843
PGP-530 971 $4.571,492 571,492
WGP-276,308 $4.305 257 305,257
SGP-140,000 $4.597 080 597 080
PA-000 $7.21,893 21,893
SVLNG $0.
T1 &2-619 657 $0.
T1&T2-629 743 $0,
T1&T2-086,005 $0.
T3-IMG 821 250 $0.
T4-IMG 832 879 $0.
FGP-IMG $0.
FB-$0.
MrktSell $0.
IFa 789 $7,55,417 55,417
FGP-NIT $0.
FGP-Stan $0.
FGP-$0,
FGP-SU2 $0,
BLANK $0,
Intermountain Gas IRP
2005-09 IRP Model
Variable Cost Summary
Scenario: Design Low G
April 2004
Year I 2
50 # of resources Period Period Period Period Period Period Period Period Period Period Period Period
Resource
1 EGP-SU-$43,036 $43 036 $86 071 $215,178 $344 284 $602 497 $1,316 314 188,929 502 022
2 EGP-AL-$13 989 $13,989 $27 978 $69 945 $111 912 $195,846 $427 382 $386,022 $809,867 $744,444 $704 001 060 944
3 EGP-AL-$12 160 $12,160 $24 320 $60 800 $97 280 $170,240 $371 729 $335 755 $705,541 $651 023 $617 320 $930,350
4 EGP-ST-$50 630 $50,630 $101 260 $253 150 $405,040 $708,820 548 605 398,740 943,555
5 EGP-NG-$30,960 $30 960 $61 919 $154 798 $247 676 $433,433 $946,143 $854 581 $1,794 361
6 EGP-NG-$57 156 $57,156 $114 312 $285 780 $457 248 $800,184 $1,746 726 577,688 312,666
7 EGP-SG-$3,772,545 638,955 484 120
8 EGP-SG-$33,271 $33 271 $66 542 $166,355 $266 168 $465 794 016,754 $918 358 928,119 756,251 693,909 552 816
9 EGP-SG-$14 289 $14 289 $28 578 $71 445 $114 312 $200,046 $436,682 $394,422 $828,167
EGP-CG-$76 845 $76 845 $153 690 $384 225 $614 760 075 830 350,808 123,310 $4,470,233
EGP-CG-$46,530 $46,530 $93,060 $232 650 $372 240 $651,420 $1,421 505 283,940 693 455 475 380 $2,340,570 $3,527,280
$79 009 $79 009 $158,017 $395 044 $632,070 $1,106 122 $2,449,271 $2,212 244 $3,539,947
$248 019 $171 631 $114 715
$63,780 $63 780 $127 560 $318 900 $510 240 $892,920 739,918
$335 016 $335 016 $670 032 $536,930
$201 063 $201 063 $402 127 005,317 608,440 283,886 $6,232 963 $5,629,773 378,556
FGP-SU1
PGP-
WGP-
SGP-$1,903 706 419,870 $3,646 880
FGP-
PGP-$96,060 $96,060 $192 120 $480 300 $768 480 344 840
WGP-$2,178,758 $1,967 910 131 683
SGP-518 080 383 270 $3,591 680
PGP-$94 660 $94 660 $189 320 $473 300 $757 280 $1,325,240
WGP-150 858 $1,942,710 076,783
SGP-$2,481,480 $2,346 670 $3,536 480
PGP-$29 402 $29,403 $58 806 $147 009 $235 222 $411 639
WGP-$889,372 $803 304
SGP-515,030 $2,425 970 927 843
PGP-$82 950 $82 948 $165,900 $414,758 $663 608 $1,161 329
WGP-071 527 $222 067 $11 663
SGP-515,030 425,970 656,080
PA-$21,893
SVLNG
T1 &2-
T1&T2-
T1&T2-
T3-IMG
T4-IMG
FGP-IMG
FB-
MrktSell
IFO $33,438 $21,979
FGP-NIT
FGP-Stan
FGP-
FGP-SU2
BLANK
Yea
Intermountain Gas IRP
2005-09 IRP Model
Transport Utilization
Scenario: Design Low Growth
April 2004
Year
Number of periods 12 = Number of Periods Transport
Number of Resources Transport Utilization Rate Capability
Resource From MMBtu/day
1 ENWP-Sumas IMG 0.4 0.4 41 ,146
2 ENWP-Stanfield IMG 800
3 ENWP-N, Green IMG 026
4 ENWP-S. Green IMG 0.4 358
5 EPGT -NIT Stanfield 0.4 0.4 158
6 EPGT-NIT Stanfield 686
7 ENWP-Stanfield IMG 000
8 ENWP-JP2 Stanfield IMG 500
9 ENWP-Stanfield IMG 000
EIMG-IMG Boise 500 000
ELAT-BOI IMG Boise 0.4 315 000
ELAT-CAN IMG Canyon 500
ELAT-CAN IMG Idaho Falls 0.4 0.4 000
ELAT-SUN IMG Sun Valley 0.4 14,400
FNWP-Sumas IMG 000
FNWP-Stanfield IMG 000
FNWP-N. Green IMG 50,000
FNWP-S. Green IMG 50,000
FPGT-NIT Stanfield 000
XLA T -CAN IMG Canyon 500
XLA T -CAN2 IMG Canyon 10,000
XLAT-IF1 IMG'Idaho Falls 500
XLAT-IF2 IMG Idaho Falls 500
XLAT-SUN IMG Sun Valley 000
FLAT-BOI IMG Boise 50,000
FLAT-CAN IMG Canyon 000
FLAT-IMG Idaho Falls 000
FLAT-SUN IMG Sun Valley 000
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
Year 2
Intermountain Gas IRP
2005-09 IRP Model
Transport Utilization
Scenario: Design Low Growth
April 2004
Year
Number of periods Transport Capacity by Period in MMBtu Per Day Annual
Number of Resources Volume in
Resource From Arc MMBtu
1 ENWP-Sumas IMG 937 12,937 937 937 937 937 937 937 937 916 14,437 437 401,060
2 ENWP-Stanfield IMG 557 557 557 557 557 557 557 71,557 66,552 921 532 764 528,260
3 ENWP-N. Green IMG 33,026 026 33,026 026 33,026 33,026 33,026 33,026 26,955 18,455 18,455 16,463 023,805
4 ENWP-S. Green IMG 358 358 60,358 60,358 60,358 358 358 999 293 794 017 871,098
5 EPGT -NIT Stanfield 158 158 158 158 158 32,158 32,158 158 661 716 996,898
6 EPGT-NIT Stanfield 194 194 194 194 194 194 194 194 20,686 378,014
7 ENWP-Stanfield IMG 000 000 15,000 000 000 15,000 13,200 465,000
8 ENWP-JP2 Stanfield IMG
9 ENWP-Stanfield IMG 72,000 000 000 23,079 403,394
EIMG-IMG Boise
ELAT-BOI IMG Boise 226 168 229 669 235 977 207 872 192 640 186,612 178 199 165 763 136,861 177 617 969 120,837
ELAT-CAN IMG Canyon 500 58,192 171 45,266 899 40,576 38,845 110 742 20,354 15,630 13,001 355,623
ELAT-CAN IMG Idaho Falls 69,000 69,000 69,000 61 ,797 220 56,814 54,936 011 45,218 183 30,110 27,318 846,141
ELAT-SUN IMG Sun Valley 14,400 934 847 10,440 534 178 702 962 241 698 2,411 310 999
FNWP-Sumas IMG
FNWP-Stanfield IMG
FNWP-N. Green IMG
FNWP-S, Green IMG 091 090 15,091 091 089 976 278 340,191
FPGT-NIT Stanfield
XLAT-CAN IMG Canyon
XLAT-CAN2 IMG Canyon
XLAT-IF1 IMG Idaho Falls 500 500 300 600
XLAT-IF2 IMG Idaho Falls
XLAT-SUN IMG Sun Valley 268 703 268
FLAT-BOI IMG Boise
FLAT-CAN IMG Canyon 900 900
FLAT-IMG Idaho Falls 559 559
FLAT-SUN IMG Sun Valley
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
708,616 708,615 708 616 610,774 564 613 546 387 516 390 478 717 386 146 250 212 172,210 138 654
Year 2
Transport Transport Capacity by Period in MMBtu Per Day Annual
Transport Utilization Rate Capability Volume in
101 MMBtu/day Arc MMBtu
ARC#Name Area #Area #ARC # Max Demand
1 Sumas 1 IMG 146 12,937 937 12,937 937 12,937 12,937 12,937 937 937 916 437 14,437
2 Stanfield 2 IMG 246 300 168,557 168 557 168 557 119 636 96,557 96,557 757 557 552 29,921 532 764
3 N. Green 3 IMG 83,026 026 026 026 33,026 33,026 026 33,026 33,026 955 18,455 455 16,463
4 S. Green 4 IMG 110 358 449 75,448 75,449 75,449 75,447 66,334 65,636 999 293 23,794 017
5 NIT 5 Stanfield 844 352 44,352 44,352 352 352 352 352 352 347 12,716
6 IMG 6 Boise 875 500 279,471 226 168 229 669 235 977 207 872 192,640 186,612 178,199 165 763 136,861 94,177 72,617 61,969
7 IMG 6 Canyon 119 500 60,400 400 58,192 171 45,266 899 576 845 110 742 354 630 001
8 IMG 6 Idaho Fa 137 000 759 059 72,500 300 61,797 220 56,814 936 011 218 183 110 318
9 IMG 6 Sun VailE 66,400 668 668 934 12,847 10,440 534 178 702 962 241 698 411 703
Transport Lateral + Storage = Peak Demand 435 298 708 616 708 615 708,616 610 774 564,613 546 387 516 390 478 717 386,146 250,212 172,210 138,654
Storage ~Boise 303 886 327
Storage ~Canyon I
Storage ~Idaho Falls 700 089
Storage Sun Valley
Total Boise 279,471 279 471 266 555 248,304 207,872 192 640 186,612 178 199 165,763 136 861 94,177 72,617 969
Total Canyon I 400 400 192 171 266 41,899 576 845 110 742 354 15,630 13,001
Total Idaho Falls 80,759 759 75,589 71,300 61,797 220 814 936 52,011 218 183 110 318
Total Sun Valley 14,668 668 934 847 440 534 178 702 962 241 698 411 703
435 298 435 298 414,270 386 622 325,374 302,293 293,180 280,682 261 846 218 063 153,411 120,768 103,990
Transport & Supply Balane
From Above TolMG Transport 289 969 289 969 289 969 241,048 217,967 208,854 196 356 177 519 I 133 736 84,085 442 664
From Above To Laterals Transport 374,295 374 295 374 295 325 374 302,293 293 180 280 682 261,846 I 218 063 153,411 120 768 103,990
From Utilization Storace 61,003 975 327
From Above Total Stre & Transport 435.298 414270 386,622 325,374 302 293 293,180 280 682 261 846 218 063 153411 120 768 103,990
From Gas Utilization Gas Supplv Supplv 435,298 414270 386 622 325 374 302 293 293,180 280 682 261 846 218 063 164,402 166 923 164 932
No Cost aI! Sumas/SGreen/Stan 1 & T-Supply 097 097 097 097 20,097 097 20,097 097 20,097 20,097 097 20,097
IGC own supply Supplv 355 875 334 847 307 199 245 951 222,870 213,757 201,259 182,422 138 639 84,979 87,500 508
No Cost Gas aI! IMG 3 & T-4 Supply 326 326 59,326 59,326 326 326 326 326 326 59,326 59,326 326
From LDC Dist Demand 435 298 414270 386,622 325374 302,293 293,180 280,682 261 846 218063 153411 120768 102,742
Days Volumes below
From Gas Utilization Gas SUDDlv Volume Su 435 298 414 270 773 245 626 871 2,418,348 104 526 701 146 331,683 13,301 825 10,028 522 10,182 326 15,173 700 491 762
No Cost cro Sumas/SGreen/Stan 1 & T-Volume Su 097 097 40,194 100,485 160 776 281 358 623,007 562,716 225,917 225,917 225,917 848,924 335,405
IGC own supply Volume Su 355 875 334,847 614,398 229 755 782,961 992,599 239 021 107.828 8,456 999 183 696 337,500 866,750 502 228
No Cost Gas ~ IMG 3 & T-4 Volume Su 326 326 118 653 296 632 474 611 830 569 839 118 661 139 618,909 618 909 618 909 5,458 027 654 129
From LDC Demand 435,298 414,270 773 245 626,871 2,418 348 104 526 701,146 331 683 301,825 358,099 366 867 9,452 274 284,453
Storage Injections 670,423 815,460 721 426 207,309
Year 2
Intermountain Gas IRP
2005-09 IRP Model
Transport Cost Summary
Scenario: Design Low Growth
April 2004
Transport Transport Transport Total
Annual Variable Variable Variable Transport
2 Year Volume Cost Inflation Cost Cost
Resource MMBtu $/MMBtu Factor Nominal $s Nominal $s
1 ENWP-401 060 $0,036 $14 768 $14 768
2 ENWP-528 260 $0.036 $93 096 $93 096
3 ENWP-023 805 $0.036 $37 699 $37 699
4 ENWP-871 098 $0.036 $68 898 $68,898
5 EPGT-996 898 $0.010 $10 219 $10 219
6 EPGT-378 014 $0.010 875 875
7 ENWP-465 000 $0.030 $14 229 $14 229
8 ENWP-JP2 $0.030
9 ENWP-403 394 $0.030 $12 344 $12 344
EIMG-$0,000
ELAT-BOI 120 837 $0.000 $612 $612
ELAT-CAN 355 623 $0.000 $136 $136
ELA T -CAN 846 141 $0.000 $185 $185
ELAT-SUN 310 999 $0.000 $32 $32
FNWP-$0.300
FNWP-$0.300
FNWP-$0.300
FNWP-340 191 $0.300 $102 057 $102 057
FPGT -$0.180
XLA T -CAN $0.000
XLA T -CAN2 $0.000
XLAT-IF1 600 $0.000
XLAT-IF2 $0.000
XLAT-SUN 268 $0.000
FLAT -BOI $10.000
FLAT-CAN 900 $10.000 178 178
FLAT-559 $10.000 707 707
FLAT-SUN $10.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0,000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0,000
BLANK $0,000
BLANK $0.000
BLANK $0,000
053 188 358 150 358 150
Year 2
Year 2
ANNUAL SUMMARY
Total Transport Cost
$358,150
Total Resource Cost
$197 160,071
TotallRP Costs
$197,518 220
PV$s
179,562 019
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Rates
Scenario: Design Low Growth
April 2004
Year 3
Year = Number of periods
50 # of resources Area Utilization rates by period
Resource Delivered
1 EGP-SU-Sumas
2 EGP-AL-NIT
3 EGP-AL-NIT
EGP-ST-Stanfield
5 EGP-NG-N. Green
EGP-NG-N, Green
7 EGP-SG-S. Green
8 EGP-SG-S. Green
EGP-SG-S. Green
EGP-CG-IMG
EGP-CG-IMG
NIT
Boise
Stanfield
Stanfield
16 Stanfield
EST-S. Green 0.4
FGP-SU1 Sumas
PGP-Sum as
WGP-Sumas
SGP-Sumas
FGP-Stanfield
PGP-Stanfield
WGP-Stanfield
SGP-Stanfield
PGP-NIT
WGP-NIT
SGP-NIT
PGP-N. Green
WGP-N, Green 0.4
SGP-N. Green
PGP-S. Green
WGP-S. Green
SGP-S. Green
PA-Idaho Falls
SVLNG Sun Valley
Sumas
Stanfield
S. Green
IMG
IMG
FGP-IMG IMG
FB-IMG
MrktSell IMG
IFa Idaho Falls
FGP-NIT NIT
FGP-Stan Stanfield
FGP-Citygate
FGP-SU2 Sumas
BLANK
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Rates
Scenario: Design Low Growth
April 2004
Year
50 # of resources Area MMBtu Capacity in MMBtu/day by Period
Resource Delivered per day Storage?Total
1 EGP-SU-Sumas 500 500 500 500 500 500 500 500 500 500 500
EGP-AL-NIT 000 000 000 000 000 000 000 000 000 000 000 000 000 000
EGP-AL-NIT 500 500 500 500 500 500 500 500 500 500 500 500 500 000
EGP-ST-Stanfield 000 000 000 000 000 000 000 000 000 000 000
EGP-NG-N. Green 500 500 500 500 500 500 500 500 500 500
EGP-NG-N. Green 000 000 000 000 000 000 000 000 000 108 000
EGP-SG-S. Green 000 000 000 000
EGP-SG-S. Green 000 000 000 000 000 000 000 000 000 000 000 000 000
EGP-SG-S. Green 000 000 000 000 000 000 000 000 000 000
EGP-CG-IMG 000 000 000 000 000 000 000 000 000 000 135 000
EGP-CG-IMG 000 000 000 000 000 000 000 000 000 000 000 000 000 120 000
NIT 852 852 852 852 852 852 852 852 852 847 164 663
13 .Boise 000 106 733 565 82,404
Stanfield 000 000 000 000 000 000 970 200 9,425 595
Stanfield 22,500
Stanfield 000 000 72,000 000 166 227 166
EST -S. Green 321 321 321 321 971 717 321 321 396 394 009
FGP-SU1 Sumas 500 500 500 500 500 500 500 500 500 500 500 500 90,000
PGP-Sumas 000
WGP-Sumas 000
SGP-Sumas 000 641 641
FGP-Stanfield
PGP-Stanfield 20,000 000 000 000 000 000 000 120 000
WGP-Stanfield 000 000 019 768 787
SGP-Stanfield 000 000 000 000 000
PGP-NIT 000 000 000 000 000 000 000 120 000
WGP-NIT 000 000 000 000 45,000
SGP-NIT 000 000 10,000 000 000
PGP-N. Green 000 000 000 000 000 000 72,000
WGP-N. Green 071 071
SGP-N. Green 104 000 000 104
PGP-S. Green 000 000 000 000 000 000 000 120 000
WGP-S. Green 000 363 363
SGP-S. Green 000 000 000 000 000
PA-Idaho Falls
SVLNG Sun Valley 200
Sumas 4,437 4,437 4,437 4,437 4,437 4,437 4,437 4,437 4,437 4,437 4,437 4,437 4,437 249
Stanfield 205 205 205 205 205 205 205 205 205 205 205 205 205 86,457
S. Green 3 Ilflt~1t;~it\!~~H 8,455 8,455 8,455 8,455 8,455 8,455 8,455 8,455 8,455 8,455 8,455 8,455 101,458
IMG 250 250 250 250 250 250 250 250 250 250 250 250 250 000
IMG 6 58 560 560 560 560 560 560 560 560 560 560 560 560 560 702 724
FGP-IMG IMG
FB-IMG
MrktSell IMG
~---
IFa Idaho Falls
FGP-NIT NIT 5 5 000
FGP-Stan Stanfield
FGP-Citygate 000
FGP-SU2 Sumas
BLANK
Totals 443 187 421 813 393 645 331 246 307 731 298 446 285 715 266 524 221 918 165 012 170 549 165 907 3,471,692
Year 3
MMBtu Capacity in MMBtu/day by Period
101 per day Storage?Total
Supply by Area Max Avail.Peak Dmd Total
Sumas 000 20,437 20,437 20,437 20,437 20,437 20,437 20,437 20,437 20,437 937 16,579 11,937 224,391
Stanfield 214 500 124 205 124 205 124 205 63,371 40,205 40,175 45,405 35,649 26,973 17,205 17,205 205 676,005
N. Green 63,500 955 38,955 38,955 954 38,955 955 33,026 26,955 26,955 559 18,455 18,455 375,134
S, Green 118,321 78,321 78,321 78,321 321 971 68,717 684 58,321 27,396 32,000 000 000 703 372
NIT 69,352 352 352 352 352 352 352 352 39,352 347 15,500 15,500 15,500 425 663
IMG 000 85,810 810 85,810 85,810 810 85,810 810 85,810 810 70,810 70,810 70,810 984 724
Boise 60,000 284,086 106 29,733 565 82,404
Canyon 981
Idaho Falls 000 80,978
Sun Valley 200 15,141
Totals 443,187 443,187 421 813 393 645 331 246 307 731 298 446 285,715 266,524 221 918 165,012 170,549 165 907 3,471,692
This check Model Peak Dmd Res 2 area Res ~ area Total ~area Res from Net at
looks at Peak Day Check darea(2)trtoar(8)trarea(7)tarea(6)trfrar(9)Node
Delivery of 241 1 Sumas 20,437 20,437 20,437
supply,242 Stanfield 352 124 205 168,557 168 557
243 N. Green 955 38,955 955
244 S. Green 78,321 321 78,321
245 NIT 352 352 352
246 IMG 306,270 810 392 081 392 081
247 Boise 284,086 232,980 106 284 086 284 086
248 Canyon 981 981 62,981 981
249 Idaho Falls 80,978 978 80,978 80,978
250 Sun Valley 15,141 141 141 141
Totals 443,187 742 703 443,187
~' ;"
f/ 11,II H 742 703 443,187
Storage by Period
Boise Storage 106 29,733 565
Canyon Storage
Idaho Falls StoraQe
Sun Valley StoraQe
Year 3
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Volumes
Scenario: Design Low Growth
April 2004
Year !tii Flow Capacity in MMBtu Per Period * Number of days in period
1"~il'11 # of resource Area
Resource Days Totals
1 EGP-SU-Sumas 500 500 000 500 68,000 119,000 263,500 238,000 518,500 283,500
2 EGP-AL-NIT 000 000 000 15,000 24,000 000 93,000 000 183,000 183,000 183,000 276,000 095,000
3 EGP-AL-NIT 500 500 000 500 000 35,000 500 70,000 152 500 152 500 152 500 230 000 912,500
4 EGP-ST -Stanfield 10,000 000 000 50,000 80,000 140,000 310,000 280 000 610,000 510,000
5 EGP-NG-N. Green 500 500 000 500 000 000 201 500 182 000 396,500 981,500
6 EGP-NG-N. Green 000 000 000 60,000 96,000 168,000 372,000 336 000 732 000 812,000
7 EGP-SG-S. Green 915 000 915 000 380 000 210 000
8 EGP-SG-S. Green 000 000 000 35,000 56,000 000 217 000 196,000 427,000 427,000 427 000 644 000 555,000
9 EGP-SG-S. Green 000 000 000 15,000 24,000 42,000 000 000 183,000 453 000
EGP-CG-IMG 15,000 15,000 30,000 75,000 120,000 210,000 465 000 420,000 915,000 265,000
EGP-CG-IMG 000 10,000 000 50,000 000 140,000 310,000 280 000 610 000 610 000 610,000 920,000 650,000
NIT 852 18,852 704 260 150 816 263 928 584,412 527 856 844 654 541 334
Boise 51,106 733 130 969
Stanfield 15,000 15,000 30,000 000 000 580 409 200 263,895 873,675
Stanfield
Stanfield 000 000 144 000 830 343,830
S, Green 321 48,321 642 241 605 383,767 542,037 497 948 352,985 061 127 272 754
FGP-SU1 Sumas 500 500 000 500 000 105 000 232 500 210,000 457 500 457,500 457 500 690,000 737 500
PGP-Sumas
WGP-Sumas
SGP-Sum as 283,131 283,131
FGP-Stanfield
PGP-Stanfield 20,000 000 000 100,000 160 000 280,000 620 000
WGP-Stanfield 465 000 252 535 595,851 313 386
SGP-Stanfield 610,000 610,000 920,000 140 000
PGP-NIT 000 20,000 40,000 100,000 160,000 280,000 620,000
WGP-NIT 465,000 420 000 915,000 800 000
SGP-NIT 610 000 610,000 920,000 140 000
PGP-N. Green 000 000 000 59,998 003 167 999 372,001
WGP-N. Green 188 207 188,207
SGP-N. Green 555,358 610 000 920,000 085 358
PGP-S. Green 20,000 20,000 000 100 000 160,000 280,000 620,000
WGP-S. Green 104 256 104 256
SGP-S, Green 610,000 610,000 920 000 140 000
PA-Idaho Falls
SVLNG Sun Valley
T1 &2-Sumas 4,437 4,437 875 187 499 124 137 560 124 248 270,682 270 682 270,682 408 242 619,657
T1&T2-Stanfield 205 205 14,410 36,024 638 100,867 223,348 201 734 439,491 439,491 439,491 662 839 629 743
T1&T2-S. Green 455 8,455 16,910 274 67,638 118,367 262 099 236 735 515 743 515 743 515,743 777,842 086,005
T3-IMG IMG 250 250 500 11 ,250 000 500 750 000 137 250 137 250 137,250 207 000 821 250
T4-IMG IMG 58,560 560 117 121 292 802 468 483 819 845 815,371 639 690 572,182 572 182 572 182 387 554 374 534
FGP-IMG IMG
FB-IMG
MrktSeli IMG
IFO Idaho Falls
FGP-NIT NIT
FGP-Stan Stanfield
FGP-Citygate
FGP-SU2 Sumas
BLANK
362 279 340,906 625,476 251 692 814,586 045,545 349,023 197 271 601 633 130,358 5,468 131 820,000 46,006,901
Year 3
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Volumes
Scenario: Design Low Growth
April 2004
Year OC~Flow Capacity MMBtu Per Period Number days period
II..S resource Area
Resource Days Totals
Arec Name
~llJj,lli!~ll\;tlliif1 20,437 20,437 875 102 187 163,499 286 124 633 560 572 248 246,682 728,182 313 098 242 923,788
;12)~tlifj~,~i!t11t6;llitf1 124 205 124 205 248,410 316 854 321 638 562,447 ,407 548 998 163 645 343 049,491 049,491 582 839 9,430,634
it,l!i~imi;!t;;~lli!;;l~38,955 38,955 77,910 194,772 642 545 367 023 806 754 735 644 243 071 1 01 125 743 697,842 525,071
78,321 321 156 642 391 605 623 767 962 037 912 204 632 985 671 127 952 000 952 000 944 000 355,009
352 352 88,704 221 760 354 816 620 928 219,912 101 856 095 154 945 500 945,500 ,426,000 108,834
810 85,810 171 621 429,052 686,483 201 345 660 121 2,402 690 234,432 319,432 319,432 514 554 28,784
liI11tl!\0rfr!;;~~!;~t:106 29,733 130 83,969
Illill!1il'anlal!tii
Illil;gI1~~I~:!~!!!~I'
ll~ll.IJJill!!~f~i
443,187 421 813 787 291 656,229 2,461 845 178 248 857 151 7,462 677 536 982 065,707 10,403,480 15,263,4 78 75,538,089
Year 3
Intermountain Gas IRP
2005-09 IRP Model
Storage Injection Rates & Volu
Scenario: Design Low Growth
April 2004
Year Injections MMBtu per period
50 # of resourCE Area Injection Injection Check
Resource Delivered MMBtu days Totals Cost Uitization
1 EGP-SU-Sum as
2 EGP-AL-NIT
3 EGP-AL-NIT
4 EGP-ST-Stanfield
5 EGP-NG-N. Green
6 EGP-NG-N. Green
7 EGP-SG-S. Green
8 EGP-SG-S. Green
9 EGP-SG-S. Green
EGP-CG-IMG
EGP-CG-IMG
.... ,
NIT 26,923 169,834 945,500 426,000 541,334 533 541 334
Boise 800 83,969 83,969 56,259 83,969
Stanfield 30,084 15,498 858 177 873,675 873,675
Stanfield 30,084
Stanfield 939 343,830 343 830 192,682 343,830
S. Green 649 376,754 952 000 944,000 272,754 130 764 272 754
FGP-SU1 Sumas
PGP-Sumas
WGP-Sumas
SGP-Sumas
FGP-Stanfield
PGP-Stanfield
WGP-Stanfield
SGP-Stanfield
PGP-NIT
WGP-NIT
SGP-NIT
PGP-N. Green
WGP-N. Green
SGP-N. Green
PGP-S. Green
WGP-S, Green
SGP-S. Green
PA-Idaho Fall~
SVLNG Sun Valle'Y
T1 &2-Sum as
T1&T2-Stanfield
T1&T2-S. Green
T3-IMG IMG
T4-IMG IMG
FGP-IMG IMG
FB-IMG
MrktSell IMG
IFO Idaho Fall~
FGP-NIT NIT
FGP-Stan Stanfield
FGP-Citygate
FGP-SU2 Sumas
BLANK
Year~
Intermountain Gas IRP
2005-09 IRP Model
Variable Cost Summary
Scenario: Design Low Growth
Year 3
April 2004 VariableCostSummarv by Resource
Year Annual Total Total
50 # of resources Volume Annual Injection Variable Variable
Resource MMBtu $/MMBtu Cost Cost Cost
1 EGP-SU-283 500 $4.082 137 082,137
2 EGP-AL-095,000 $3.371 267 371 267
3 EGP-AL-912 500 $4.826 135 826,135
4 EGP-ST-510 000 $4.155,455 155,455
5 EGP-NG-981 500 $4.42 336,966 336,966
EGP-NG-812 000 $4.42 006,706 006 706
7 EGP-SG-210 000 $3.339 503 339,503
8 EGP-SG-555,000 $4.10,403,463 10,403 463
EGP-SG-453 000 $4.42 001 677 001 677
EGP-CG-265,000 $4.10,869 083 869,083
EGP-CG-650 000 $3.534 390 534 390
541 334 $3.$63,533 895 956 959 490
969 $5.$56,259 370 975 427 234
873 675 $3.3,481 594 481 594
$0.
343 830 $4.$192 682 519 040 711 722
272 754 $4.$130,764 170,106 21,300,870
FGP-SU1 737 500 $4.657 918 657,918
PGP-$0.
WGP-$0.
SGP-283,131 $3.103,361 103,361
FGP-$0.
PGP-620,000 $4.832 160 832,160
WGP-313,386 $4.716 782 716 782
SGP-140,000 $3.223 335 223 335
PGP-620,000 $4.788 760 788,760
WGP-800,000 $4.708 913 708,913
SGP-140 000 $3.094 935 094,935
PGP-372,001 $4.725,341 725 341
WGP-188,207 $4,847 966 847,966
SGP-085,358 $3.012,111 012,111
PGP-620 000 $4,875 560 875,560
WGP-104 256 $4.469 724 469,724
SGP-140 000 $3.226,335 226,335
PA-$0.
SVLNG $0,
T1 &2-619,657 $0.
T1&T2-629 743 $0.
T1&T2-086,005 $0.
T3-IMG 821 250 $0.
T4-IMG 374 534 $0.
FGP-IMG $0.
FB-$0.
MrktSeli $0.
IFa $0.
FGP-NIT $0.
FGP-Stan $0.
FGP-$0.
FGP-SU2 $0,
BLANK $0.
Intermountain Gas IRP
2005-09 IRP Model
Variable Cost Summary
Scenario' Design Low Growth
April 2004
Year Annual
50 # of resources Volume Period Period Period Period Period Period Period Period Period Period Period Period
Resource MMBtu
1 EGP-SU-283,500 $41 ,463 $41 ,463 $82,926 $207,315 $331,704 $580,482 263,614 141 329 391 841
2 EGP-AL-095,000 $13 284 $13,284 $26,568 $66,420 $106,272 $185 976 $404 132 $365,022 $761,829 $700 982 $687 531 039,968
3 EGP-AL-912,500 $11 573 $11,573 $23,145 $57,863 $92,580 $162 015 $352,354 $318,255 $665,510 $614,804 $603,595 $912 870
4 EGP-ST-510 000 $48 780 $48,780 $97 560 $243,900 $390,240 $682,920 $1,486,605 $1,342,740 $2,813 930
5 EGP-NG-981 500 $29 627 $29,627 $59,254 $148 135 $237 016 $414,778 $901 813 $814 541 702 175
6 EGP-NG-812 000 $54 696 $54,696 $109,392 $273,480 $437 568 $765 744 664,886 503 768 $3,142,476
7 EGP-SG-210,000 $3,587,258 $3,483,405 $5,268,840
8 EGP-SG-555,000 $31 836 $31,836 $63,672 $159 180 $254 688 $445,704 $969 014 $875,238 $1,828 841 669 784 621 319 $2,452 352
9 EGP-SG-453,000 $13,674 $13 674 $27 348 $68 370 $109 392 $191 436 $416,222 $375,942 $785,619
EGP-CG-265 000 $74 070 $74 070 $148 140 $370,350 $592 560 036 980 257 808 039 310 275 795
EGP-CG-650 000 $44,180 $44,180 $88 360 $220,900 $353,440 $618 520 344,005 213,940 533 330 330,505 $2,285,670 $3,457 360
541 334 $73,410 $73,410 $146 819 $367 048 $587 278 $1,027 736 $2,275,700 055,4 71 $3,289 084
969 $225 786 $131,360 $13 828
873 675 $59,775 $59,775 $119,550 $298,875 $95,640 $165 696 $1,630 662 051 621
343,830 $318 096 $318 096 $636 192 $246 656
272 754 $194 008 $194 008 $388,017 $970,042 540,826 176,279 $6,014 262 $5,432,237 260,426
FGP-SU1 737 500 $36 585 $36,585 $73 170 $182 925 $292 680 $512 190 114 954 $1,007,055 110 448 811 929 782,878 696 520
PGP-
WGP-
SGP-283,131 $1,103,361
FGP-
PGP-620,000 $91,360 $91 360 $182,720 $456 800 $730 880 279,040
WGP-313,386 062 508 120,119 $2,534 156
SGP-140,000 $2,373,205 328,370 $3,521,760
PGP-620 000 $89,960 $89,960 $179 920 $449,800 $719,680 259,440
WGP-800,000 034 608 $1,837,710 $3,836 595
SGP-140,000 $2,336 605 291 770 466,560
PGP-372 001 $55,657 $55,657 $111,314 $278,270 '$445 263 $779 181
WGP-188 207 $847 966
SGP-085,358 177 281 322 270 $3,512 560
PGP-620 000 $92,760 $92 760 $185,520 $463 800 $742 080 298 640
WGP-104 256 $469 724
SGP-140,000 391 505 $2,322 270 $3,512 560
PA-
SVLNG
T1 &2-619 657
T1&T2-629,743
T1&T2-086,005
T3-821,250
T4-IMG 374 534
FGP-IMG
FB-
MrktSeli
IFO
FGP-NIT
FGP-Stan
FGP-
FGP-SU2
BLANK
Year 3
Intermountain Gas IRP
2005-091RP Model
Transport Utilization
Scenario: Design Low Growth
April 2004
3 Year
Number of periods 12 = Number of Periods Transport
Number of Resources Transport Utilization Rate Capability
Resource From MMBtu/day
1 ENWP-Sumas IMG 0.4 146
2 ENWP-Stanfield IMG 86,800
3 ENWP-N, Green IMG 026
4 ENWP-S. Green IMG 0.4 60,358
5 EPGT -NIT Stanfield 0.4 0.4 158
6 EPGT -NIT Stanfield 686
7 ENWP-Stanfield IMG 000
8 ENWP-JP2 Stanfield IMG 500
9 ENWP-Stanfield IMG 000
EIMG-IMG Boise 500,000
ELAT-BOI IMG Boise 0.4 315,000
ELA T -CAN IMG Canyon 0.4 500
ELA T -CAN IMG Idaho Falls 0.4 0.4 000
ELAT-SUN IMG Sun Valley 0.4 14,400
FNWP-Sumas IMG 000
FNWP-Stanfield IMG 000
FNWP-N. Green IMG 000
FNWP-S. Green IMG 0.4 0.4 0.4 0.4 0.4 000
FPGT-NIT Stanfield 000
XLA T -CAN IMG Canyon 500
XLA T -CAN2 IMG Canyon 10,000
XLAT-IF1 IMG Idaho Falls 500
XLAT-IF2 IMG Idaho Falls 500
XLAT-SUN IMG Sun Valley 0.4 000
FLAT-BOI IMG Boise 000
FLAT-CAN IMG Canyon 000
FLAT-IMG Idaho Falls 000
FLAT-SUN IMG Sun Valley 50,000
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
Year 3
Intermountain Gas IRP
2005-09 IRP Model
Transport Utilization
Scenario: Design Low Growth
April 2004
3 Year
Number of periods Transport Capacity by Period in MMBtu Per Day Annual
Number of Resources Volume in
Resource From Arc MMBtu
1 ENWP-Sumas IMG 20,437 437 20,437 20,437 20,437 20,437 20,437 20,437 20,437 937 16,579 937 633 560
2 ENWP-Stanfield IMG 81,557 557 557 557 81,557 557 557 65,576 61,320 921 16,951 139 528 260
3 ENWP-N. Green IMG 33,026 026 33,026 33,026 33,026 026 33,026 955 26,955 559 18,455 18,455 023 806
4 ENWP-S. Green IMG 60,358 358 358 60,358 358 60,358 60,358 58,321 27,396 25,824 871 098
5 EPGT-NIT Stanfield 158 158 158 158 158 158 158 158 13,661 12,716 996 898
6 EPGT -NIT Stanfield 194 194 194 194 194 194 194 194 20,686 378 014
7 ENWP-Stanfield IMG 000 15,000 000 000 000 970 200 425 200,580
8 ENWP-JP2 Stanfield IMG
9 ENWP-Stanfield IMG 000 000 72,000 166 343,830
EIMG-IMG Boise
ELA T -BOI IMG Boise 232 980 241 ,224 250 839 211 305 195,821 189,694 181 141 168,500 139 121 95,732 816 636 254 687
ELAT-CAN IMG Canyon 500 500 56,487 200 43,690 310 40,505 654 014 224 16,298 556 1,409,840
ELAT-CAN IMG Idaho Falls 66,478 000 69,000 964 58,378 56,968 085 151 340 35,278 30,192 391 847,866
ELAT-SUN IMG Sun Valley 14,400 383 13,262 10,777 842 9,475 983 219 443 817 489 320,569
FNWP-Sum as IMG
FNWP-Stanfield IMG
FNWP-N. Green IMG 929 929 929 928 929 929 183,794
FNWP-S, Green IMG 963 17,963 17,963 963 613 359 326 419 595
FPGT-NIT Stanfield
XLAT-CAN IMG Canyon
XLAT-CAN2 IMG Canyon 481 179 661
XLAT-IF1 IMG Idaho Falls
XLAT-IF2 IMG Idaho Falls 500 794 2,493 26,279
XLAT-SUN IMG Sun Valley 741 758 741
FLAT-BOI IMG Boise
FLAT-CAN IMG Canyon
FLAT-IMG Idaho Falls
FLAT-SUN IMG Sun Valley
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
742 703 742 702 742 703 621 033 574 003 555,434 524 971 486 590 392 372 254 008 174 779 139 874
Year 3
Transport Transport Capacity by Period in MMBtu Per Day Annual
Transport Utilization Rate Capability Volume in
101 MMBtu/day Arc MMBtu
ARC#Name Area #Area #ARC # Max Demand
1 Sumas 1 IMG 91,146 20,437 20,437 20,437 20,437 20,437 20,437 20,437 20,437 20,437 937 16,579 937
2 Stanfield 2 IMG 246 300 168,557 168 557 168 557 107 723 84,557 84,527 757 75,001 61,320 921 16,951 139
3 N. Green 3 IMG 83,026 955 955 955 954 955 955 026 955 955 559 18,455 18,455
4 S. Green 4 IMG 110 358 78,321 321 321 321 971 717 684 321 396 25,824
5 NIT 5 Stanfield 62,844 44,352 352 352 352 352 352 39,352 352 347 12,716
6 IMG 6 Boise 875 500 284,086 232,980 241,224 250 839 211 305 195 821 189 694 181 141 168 500 139 121 732 816 62,636
7 IMG 6 Canyon 119 500 981 62,981 679 487 200 690 310 505 37,654 31,014 21,224 298 556
8 IMG 6 Idaho Fa 137,000 978 978 794 71,493 61,964 378 56,968 085 52,151 340 278 30,192 391
9 IMG 6 Sun VailE 400 141 141 383 262 10,777 842 9,475 983 219 6,443 817 2,489 758
Transport Lateral + Storage = Peak Demand 443 187 742 703 742 702 742,703 621 033 574 003 555,434 524 971 486 590 392 372 254 008 174 779 139,874
Storage ~Boise 106 29,733 565
Storage ~Canyon I
Storage ~Idaho Falls
Storage tal Sun Valley
Total Boise 284,086 284,086 270,957 252 404 211,305 195 821 189 694 181 141 168 500 139 121 732 816 62,636
Total Canyon 981 981 679 487 47,200 690 42,310 505 37,654 014 224 298 556
Total Idaho Falls 978 978 794 71,493 964 378 968 085 151 340 35,278 192 27,391
Total ~Sun Valley 141 15,141 383 262 777 842 475 983 219 443 817 489 758
443 187 443 187 421 813 393,645 331 246 307,731 298,446 285 715 266 524 221 918 156 051 122 795 105 342
Transport & Supply Balane
From Above TolMG Transport 306,270 306 270 306 270 245,435 221 920 212,636 199,904 180,714 136 107 241 51,984 532
From Above To Laterals Transport 392 081 392 080 392 080 331 246 307,731 298,446 285 715 266,524 221 918 156 051 122,795 105 342
From Utilization Storace 106 733 565
From Above Total StrQ & Transport 443.187 421 813 393 645 331,246 307,731 298446 285 715 266524 221 918 156 051 122 795 105 342
From Gas Utilizaiion Gas SupplY Supply 443.187 421 813 393 645 331 246 307 731 298,446 285 715 266,524 221,918 165,0; 2 170 549 165,907
No Cost (fi) Sumas/SGreen/Stan 1 & T-Supply 097 097 20,097 097 097 097 097 097 20,097 20,097 097 20,097
IGC own supply Supply 362 279 340 906 312 738 250 338 226,823 217 539 204 807 185 617 141 010 104 641 85,000
No Cost Gas (fi) IMG 3 & T-4 Supply 60,810 810 60,810 810 60,810 810 60,810 810 60,810 60,810 810 60,810
From LDC Dist Demand 443,187 421,813 393 645 331 246 307.731 298.446 285,715 266,524 221 918 156051 122 795 104 429
Days Volumes below
From Gas Utilization Gas Supply Volume SueD 443 187 421,813 787 291 1 ,656 229 2,461 845 178 248 857,151 7,462,677 13,536,982 065 707 10,403,480 15,263,478 75,538,089
No Cost (fi1 Sumas/SGreen/Stan 1 & T-Volume SueD 20,097 097 194 100 485 160 776 281,358 623,007 562,716 225,917 225,917 225 917 848 924 335 405
IGC own supply Volume SueD 362 279 340 906 625,476 251 692 814 586 045 545 349 023 197,271 601 633 130 358 468,131 820 000 006,901
No Cost Gas ~ IMG 3 & T-Volume Supp 810 60,810 121 621 304 052 486 483 851,345 885 121 702 690 709 432 709,432 709,432 594 554 195 784
From LDC Demand 443,187 421 813 787 291 656 229 2,461 845 178 248 857,151 7,462,677 13,536 982 519,119 7,490,482 607 502 66,422,528
Storace Injections 546,588 912,998 655 976 115,562
Year 3
Intermountain Gas IRP
2005-09 IRP Model
Transport Cost Summary
Scenario: Design Low Growth
April 2004
Transport Transport Transport Total
Annual Variable Variable Variable Transport
3 Year Volume Cost Inflation Cost Cost
Resource MMBtu $/MMBtu Factor Nominal $s Nominal $s
1 ENWP-633 560 $0.036 $23 796 $23 796
2 ENWP-528 260 $0.036 $94 958 $94 958
3 ENWP-023 806 $0.036 $38,453 $38,453
4 ENWP-871 098 $0,036 $70 276 $70 276
5 EPGT -996 898 $0.010 $10,424 $10,424
6 EPGT-378 014 $0.010 953 953
7 ENWP-200 580 $0.030 261 261
8 ENWP-JP2 $0.030
9 ENWP-343 830 $0.030 $10 732 $10 732
EIMG-$0.000
ELA T -BOI 254 687 $0.000 $625 $625
ELAT-CAN 1,409 840 $0.000 $141 $141
ELAT-CAN 847 866 $0.000 $185 $185
ELAT-SUN 320 569 $0.000 $33 $33
FNWP-$0.300
FNWP-$0.300
FNWP-183 794 $0.300 $55 138 $55 138
FNWP-419 595 $0.300 $125,878 $125 878
FPGT -$0.180
XLAT-CAN $0.000
XLAT-CAN2 661 $0,000
XLAT-IF1 $0.000
XLAT-IF2 279 $0.000
XLAT-SUN 741 $0.000
FLAT-BOI $10,000
FLAT-CAN $10.000
FLAT-$10.000
FLAT-SUN $10.000
BLANK $0.000
BLANK $0.000
BLANK $0,000
BLANK $0.000
BLANK $0,000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0,000
BLANK $0.000
BLANK $0.000
BLANK $0.000
18,444 078 440 855 440 855
Year 3
Year 3
ANNUAL SUMMARY
Total Transport Cost
$440,855
Total Resource Cost
$191 090 891
TotallRP Costs
$191,531 746
PV$s
174 119 769
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Rates
Scenario: Design Low Growth
April 2004
Year = Number of periods
50 # of resources Area Utilization rates by period
Resource Delivered
1 EGP-SU-Sumas
2 EGP-AL-NIT
3 EGP-AL-NIT
4 EGP-ST-Stanfield
5 EGP-NG-N. Green
EGP-NG-N. Green
EGP-SG-S. Green
8 EGP-SG-S, Green
EGP-SG-S. Green
EGP-CG-IMG
EGP-CG-IMG
NIT
Boise
Stanfield
Stanfield 0.4
Stanfield
EST -S. Green 0.4
FGP-SU1 Sumas
PGP-Sumas
WGP-Sumas
SGP-Sumas
FGP-Stanfield
PGP-Stanfield
WGP-Stanfield
SGP-Stanfield
PGP-NIT
WGP-NIT
SGP-NIT
PGP-N. Green
WGP-N. Green 0.4
SGP-N. Green
PGP-S. Green
WGP-S. Green
SGP-S. Green
PA-Idaho Falls
SVLNG Sun Valley
Sumas
Stanfield
S. Green
IMG
IMG
FGP-IMG IMG
FB-IMG
MrktSeli IMG
'Fa Idaho Falls
FGP-NIT NIT
FGP-Stan Stanfield
FGP-Citygate
FGP-SU2 Sumas
BLANK
Year 4
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Rates
Scenario: Design Low Growth
April 2004
Year
50 # of resources Area MMBtu Capacity in MMBtu/day by Period
Resource Delivered per day Storage?Total
1 EGP-SU-Sumas 500 500 500 500 500 500 500 500 500 500 500
2 EGP-AL-NIT 000 000 000 000 000 000 000 000 000 000 000 000 000 000
3 EGP-AL-NIT 500 500 500 500 500 500 500 500 500 500 500 500 500 000
4 EGP-ST-Stanfield 000 000 000 000 000 000 000 000 000 000 000
5 EGP-NG-N. Green 500 500 500 500 500 500 500 500 500 500
6 EGP-NG-N. Green 000 000 000 000 000 008 000 000 12,000 103 008
7 EGP-SG-S. Green 000 000 000 000
8 EGP-SG-S. Green 000 000 000 000 000 000 000 000 000 000 000 000 000
9 EGP-SG-S. Green 000 000 000 000 000 000 000 000 000 27,000
EGP-CG-IMG 000 000 000 000 000 000 000 000 000 000 135 000
EGP-CG-IMG 000 000 000 000 000 000 000 000 000 000 000 000 000 120 000
NIT 852 852 852 852 852 852 852 852 852 847 164 663
Boise 000 039 193 389 621
Stanfield 000
Stanfield 500 500 500 500 500 775 8,498 250 617 126 139
Stanfield 000 000 000 000 583 227 583
EST -S. Green 4 i&~lalJf!t~1i~;12';321 321 321 321 583 358 321 321 17,396 398 262
FGP-SU1 Sumas 500 500 500 500 500 500 500 500 500 500 500 500 000
PGP-Sumas 000
WGP-Sumas 000
SGP-Sumas 000
FGP-Stanfield
PGP-Stanfield 000 000 000 000 000 000 000 120 000
WGP-Stanfield 000 000 285 220 505
SGP-Stanfield 000 000 000 000 000
PGP-NIT 000 000 000 000 000 000 000 120 000
WGP-NIT 000 000 000 000 45,000
SGP-NIT 000 000 000 000 000
PGP-N. Green 000 000 000 000 000 000 120 000
WGP-N. Green 071 071
SGP-N. Green 000 847 000 847
PGP-S. Green 000 000 000 000 000 000 000 000
WGP-S. Green 000 204 204
SGP-S. Green 000 000 144 000 144
PA-Idaho Falls
SVLNG Sun Valley 200
Sumas 4,437 4,437 4,437 4,437 4,437 4,437 4,437 4,437 4,437 437 4,437 437 4,437 249
Stanfield 2 7 205 205 205 205 205 205 205 205 205 205 205 205 205 86,457
S. Green 8,455 8,455 8,455 8,455 8,455 8,455 455 8,455 8,455 8,455 8,455 8,455 101,458
IMG 250 250 250 250 250 250 250 250 250 250 250 250 27,000
IMG 083 083 083 083 083 083 60,083 083 083 083 083 083 720 995
FGP-IMG IMG
FB-IMG 6 5 000
MrktSell IMG
IFa Idaho Falls
FGP-NIT NIT : 5 000 000 000 000 000 000 000 000 000 000 000 000 000 000
FGP-Stan Stanfield
FGP-Citygate 000
FGP-SU2 Sumas
BLANK
Totals 453 142 431 295 402 492 338 685 314 640 305 146 292 128 272,504 226 892 172,430 164,421 172,430 546 206
Year 4
MMBtu Capacity in MMBtu/day by Period
101 per day Storage?Total
Supply by Area Max Avail.Peak Dmd Total
Sumas 000 437 437 437 20,437 20,437 20,437 20,437 20,437 20,437 937 11,937 11 ,937 219 749
Stanfield 214 500 131 705 131 ,705 131 705 288 980 703 455 106 25,425 205 205 205 717 684
N, Green 500 955 955 955 955 955 41 ,963 026 955 955 455 302 18,455 414 884
S. Green 118 321 321 320 321 320 583 358 524 321 27,396 000 144 000 615 609
NIT 352 352 352 352 352 352 352 352 352 347 500 500 500 485 663
IMG 000 333 333 333 333 333 333 333 333 333 333 333 333 002,995
Boise 60,000 290 345 039 32,193 389 621
Canyon 726
Idaho Falls 000 611
Sun Valley 200 15,460
Totals 453 142 453 142 431,295 402 492 338 685 314 640 305 146 292 128 272 504 226 892 172 430 164,421 172 430 546 206
This check Model Peak Omd Res 2 area Res (Q). area Total~area Res from Net at
looks at Peak Day Check darea(2)trtoar(8)trarea(7)tarea(6)trfrar(9)Node
Delivery of 361 1 Sumas 20,437 20,437 437
supply.362 2 Stanfield 49,352 131 705 181 057 181 057
363 3 N. Green 955 955 955
364 4 S. Green 321 321 321
365 5 NIT 352 352 352
366 6 IMG 311 770 333 399 103 399 103
367 7 Boise 290,345 236 306 039 290 345 290 345
368 8 Canyon 726 726 726 726
369 9 Idaho Falls 611 611 611 611
370 Sun Valley 15,460 15,460 15,460 15,460
Totals 453 142 760 225 453 142 J::::iJ::i::::::760 225 453 142
Storage by Period
Boise Storaae 039 193 389
Canyon StoraQe
Idaho Falls Storaqe
Sun Valley Storaae
Year 4
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Volumes
Scenario: Design Low Growth
April 2004
Year (;\4)1 Flow Capacity in MMBtu Per Period .. Number of days in period
~l.\.11 # of resource Area
Resource Days Totals
1 EGP-SU-Sumas 500 500 000 500 000 119 000 263 500 238 000 518 500 283 500
2 EGP-AL-NIT 000 000 000 000 000 000 000 000 183 000 183 000 183 000 276 000 095 000
3 EGP-AL-NIT 500 500 000 500 000 000 500 000 152 500 152 500 152 500 230 000 912 500
4 EGP-ST-Stanfield 000 000 000 000 000 140 000 310 000 280 000 610 000 510 000
5 EGP-NG-N. Green 500 500 000 500 000 000 201 500 182 000 396 500 981 500
6 EGP-NG-N. Green 000 12,000 000 000 000 118 372 000 336 000 732 000 742 118
7 EGP-SG-S. Green 915 000 915 000 380 000 210 000
8 EGP-SG-S. Green 000 000 000 000 000 000 217,000 196 000 427 000 427 000 427 000 644 000 555 000
9 EGP-SG-S. Green 000 000 000 000 000 000 000 000 183 000 453 000
EGP-CG-IMG 000 000 000 000 120 000 210 000 465 000 420 000 915 000 265 000
EGP-CG-IMG 000 000 000 000 000 140 000 310 000 280 000 610 000 610 000 610 000 920 000 650 000
NIT 852 852 704 260 150 816 263 928 584,412 527 856 844 654 541 334
Boise 039 193 778 010
Stanfield
15 ;'Stanfield 500 500 000 112 500 102 200 118 969 348 750 101 266 873 684
Stanfield 000 000 144 000 915 345 915
S. Green 321 321 642 241 605 364 661 635 011 1,497 948 352 985 061 127 346 621
FGP-SU1 Sumas 500 500 000 500 000 105 000 232 500 210 000 457 500 457 500 457 500 690 000 737 500
PGP-Sumas
WGP-Sumas
SGP-Sumas
FGP-Stanfield
PGP-Stanfield 000 000 000 100 000 160 000 280 000 620 000
WGP-Stanfield 465 000 399 979 501,406 366 385
SGP-Stanfield 610 000 610 000 920 000 140 000
PGP-NIT 000 000 000 100 000 160 000 280 000 620,000
WGP-NIT 465 000 420 000 915 000 800 000
SGP-NIT 610 000 610 000 920 000 140 000
PGP-N. Green 000 000 000 100 000 160 000 280 000 620 000
WGP-N. Green 188 207 188 207
SGP-N. Green 610 000 356 675 920 000 886 675
PGP-S. Green 000 000 001 998 002 000 155 000
WGP-S. Green 161 310 161 310
SGP-S. Green 610 000 374 782 920 000 904,782
PA-Idaho Falls
SVLNG Sun Valley
T1 &2-Sumas 4,437 4,437 875 187 35,499 124 137 560 124 248 270 682 270 682 270 682 408 242 619 657
T1&T2-Stanfield 205 205 14,410 024 638 100 867 223 348 201 734 439,491 439,491 439,491 662 839 629 743
T1&T2-S. Green 455 8,455 910 274 638 118 367 262 099 236 735 515 743 515 743 515 743 777 842 086 005
T3-IMG IMG 250 250 500 250 000 500 750 000 137 250 137 250 137 250 207 000 821,250
T4-IMG IMG 083 083 120 166 300,415 480 663 841 161 862 571 682 322 665 059 665 059 665 059 527 630 930 271
FGP-IMG IMG
FB-IMG
MrktSell IMG
IFa Idaho Falls
FGP-NIT NIT 000 000 000 000 000 000 155 000 140 000 305 000 305 000 305 000 460 000 825 000
FGP-Stan Stanfield
FGP-Citygate
FGP-SU2 Sumas
BLANK
365,712 343 865 630 125 256 277 817,679 048 025 345 627 182 087 507 187 185 000 696,457 820 000 198 041
Year 4
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Volumes
Scenario: Design Low Growth
April 2004
Flow Capacity in MMBtu Per Period '* Number of days in period~:e
; rasou
~:~~
Name
;~~J8~T~~nI11j;;;ljlijk1'
:i%J~rJ~gglli8j~;ill!*1
Iii
!Il !;iiB~i;fii!!~;lfi!jt
fl~~iPJli~(!;~Yfifl!if'
Year 4
20,437
131 705
955
321
352
333
039
453 142
437
131 705
955
320
352
333
193
431 295
875
263,410
910
126 643
704
174 666
778
804 985
102 187
356 439
234 774
316 602
246 760
436 665
693 427
163 499
399 838
375 638
484 663
394 816
698 663
517 119
286 124
639 835
587,485
845 011
690 928
222 661
272 044
633 560
347 098
023 806
969 258
374 912
707 321
055 955
572 248
982 979
754 735
632 985
241 856
2,445 322
630 125
246 682
550 897
644 243
671 127
2,400 154
327 309
840,413
728 182
049,491
125 743
952 000
250 500
4,412 309
518 226
728 182
049 491
872,418
716 782
250 500
412 309
029 683
098 242
582 839
697 842
944 000
886 000
654 630
863 554
Totals
640 657
9,485 727
504 505
785 713
933 834
666 521
010
109 968
Intermountain Gas IRP
2005-09 IRP Model
Storage Injection Rates & Volume
Scenario: Design Low Growth
April 2004
Year 12 = Number of Periods
50 # of resourCE Area Injection Rate by Period
Resource Delivered
1 EGP-SU-Sumas
2 EGP-AL-NIT
3 EGP-AL-NIT
4 EGP-ST-Stanfield
5 EGP-NG-N. Green
6 EGP-NG-N. Green
7 EGP-SG-S. Green
8 EGP-SG-S. Green
9 EGP-SG-S. Green
EGP-CG-IMG
EGP-CG-IMG
12 ,NIT 0.4
13 Boise
Stanfield
Stanfield
Stanfield
S. Green
FGP-SU1 Sumas
PGP-Sumas
WGP-Sumas
SGP-Sumas
FGP-Stanfield
PGP-Stanfield
WGP-Stanfield
SGP-Stanfield
PGP-NIT
WGP-NIT
SGP-NIT
PGP-N. Green
WGP-N. Green
SGP-N. Green
PGP-S. Green
WGP-S. Green
SGP-S. Green
PA-Idaho Faile
SVLNG Sun Valle...
T1 &2-Sumas
T1&T2-Stanfield
T1&T2-S. Green
T3-IMG IMG
T 4-IMG IMG
FGP-IMG IMG
FB-IMG
MrktSell IMG
IFa Idaho Fall~
FGP-NIT NIT
FGP-Stan Stanfield
FGP-Citygate
FGP-SU2 Sumas
BLANK
Year 4
Intermountain Gas IRP
2005-09 IRP Model
Storage Injection Rates & Volu
Scenario: Design Low Growth
April 2004
Year Injections MMBtu per period
50 # of resource Area Injection Injection Check
Resource Delivered MMBtu days Totals Cost Uitization
1 EGP-SU-Sumas
2 EGP-AL-NIT
3 EGP-AL-NIT
4 EGP-ST-Stanfield
5 EGP-NG-N. Green
6 EGP-NG-N. Green
7 EGP-SG-S. Green
8 EGP-SG-S. Green
9 EGP-SG-S. Green
EGP-CG-IMG
EGP-CG-IMG
12 .NIT 923 655 334 886 000 541,334 533 541 334
Boise 800 010 010 317 010
Stanfield 084
Stanfield 084 873 684 873,684 873 684
Stanfield 939 345 915 345 915 193 851 345 915
S. Green 649 693 272 716 782 936 567 346 621 132 596 346 621
FGP-SU1 Sumas
PGP-Sumas
WGP-Sumas
SGP-Sumas
FGP-Stanfield
PGP-Stanfield
WGP-Stanfield
SGP-Stanfield
PGP-NIT
WGP-NIT
SGP-NIT
PGP-N. Green
WGP-N. Green
SGP-N. Green
PGP-S. Green
WGP-S. Green
SGP-S. Green
PA-Idaho Fall~
SVLNG Sun Valley
T1 &2-Sumas
T1 & T2-Stanfield
T1 & T2-S. Green
T3-IMG IMG
T 4-IMG IMG
FGP-IMG IMG
FB-IMG
MrktSell IMG
IFa Idaho Fall
FGP-NIT NIT
FGP-Stan Stanfield
FGP-Citygate
FGP-SU2 Sumas
BLANK
Year 4
Intermountain Gas IRP
2005-09 IRP Model
Variable Cost Summary
Scenario: Design Low Growth
April 2004 Variable Cost Summary by Resource
Year Annual Total Total
50 # of resources Volume Annual Injection Variable Variable
Resource MMBtu $/MMBtu Cost Cost Cost
1 EGP-SU-283 500 $4.989 767 989 767
2 EGP-AL-095 000 $3.303 013 303 013
3 EGP-AL-912 500 $4.769 256 769 256
4 EGP-ST-510 000 $4.046 785 046 785
5 EGP-NG-981 500 $4.236 885 236 885
6 EGP-NG-742 118 $4.511,246 511 246
7 EGP-SG-210 000 $3.12,458 085 12,458 085
8 EGP-SG-555 000 $4.351 023 351 023
9 EGP-SG-453 000 $4.955 486 955,486
EGP-CG-265 000 $4,706 078 706 078
EGP-CG-650 000 $3.306 875 306 875
541 334 $3.$63 533 657 071 720 604
010 $4.$62 317 398 641 460 957
$0.
873 684 $3.3,416 979 3,416 979
345 915 $4.$193 851 1,482 591 676,442
346 621 $4.$132 596 21,373 835 506,432
FGP-SU1 737 500 $4.11,562 244 562 244
PGP-$0.
WGP-$0.
SGP-$0.
FGP-$0.
PGP-620 000 $4.44 750 320 750 320
WGP-366 385 $4.803 085 803 085
SGP-140 000 $3.179 990 179 990
PGP-620 000 $4.706 920 706 920
WGP-800 000 $4.7,494 038 7,494 038
SGP-140 000 $3.051 590 051 590
PGP-620 000 $4.806 120 806 120
WGP-188 207 $4.40 827 828 827 828
SGP-886 675 $3.318,435 318,435
PGP-155 000 $4.701 530 701,530
WGP-161 310 $4.40 709 520 709 520
SGP-904 782 $3.388 981 388 981
PA-$0.
SVLNG $0.
T1 &2-619 657 $0.
T1 & T2-629 743 $0.
T1 & T2-086 005 $0.
T3-IMG 821 250 $0.
T4-IMG 930 271 $0,
FGP-IMG $0.
FB-$0.
MrktSell $0.
IFO $0.
FGP-NIT 825 000 $3.189 938 189 938
FGP-Stan $0.
FGP-$0.
FGP-SU2 $0.
BLANK $0.
Year 4
Intermountain Gas IRP
2005-09 IRP Model
Variable Cost Summary
Scenario: Design Low Growth
April 2004
Year I 4 Annual
50 # of resources Volume Period Period Period Period Period Period Period Period Period Period Period Period
Resource MMBtu
1 EGP-SU-283,500 $40 766 $40,766 $81 532 $203 830 $326,128 $570 724 $1,243 325 123 003 359 694
2 EGP-AL-095 000 $12 888 $12 888 $25 776 $64,440 $103 104 $180,432 $392 321 $354 354 $741 333 $688 263 $689 178 038 036
3 EGP-AL-912 500 $11 243 $11 243 $22,485 $56 213 $89 940 $157 395 $342 511 $309 365 $648,430 $604 205 $604 968 $911 260
4 EGP-ST-510 000 $47 960 $47 960 $95 920 $239 800 $383 680 $671 440 $1,462 735 321 180 776 110
5 EGP-NG-981 500 $28 899 $28 899 $57 798 $144,495 $231 192 $404 586 $880 253 $795 067 665 697
6 EGP-NG-742 118 $53 352 $53 352 $106 704 $266 760 $426 816 $436 232 625 082 $1,467 816 075 132
7 EGP-SG-210 000 523 665 564 840 369 580
8 EGP-SG-555 000 $31 052 $31 052 $62 104 $155 260 $248,416 $434 728 $945 795 $854 266 789 557 640 107 659 322 $2,499 364
9 EGP-SG-453 000 $13 338 $13 338 $26 676 $66 690 $106 704 $186 732 $406 271 $366 954 $768 783
EGP-CG-265 000 $72 840 $72 840 $145 680 $364 200 $582 720 019 760 222 003 006 970 219 065
EGP-CG-650 000 $42 860 $42 860 $85 720 $214 300 $342 880 $600 040 304 635 178 380 $2,465 010 288 110 291 160 $3,450 920
541 334 $71 638 $71 638 $143 275 $358 188 $573 101 002 926 $2,220 766 005 853 209 687
010 $231 611 $137 979 $29 051
873 684 $87 998 $87 998 $175 995 $439 988 $399 704 $465 286 363,961 $396 050
345 915 $308 592 $308 592 $617,184 $248 223
346 621 $194 008 $194 008 $388 017 $970 042 $1,464 115 549 568 014 262 $5,432 237 167 577
FGP-SU1 737,500 $35 970 $35 970 $71 940 $179 850 $287,760 $503 580 097 051 $990 885 082 083 786 995 791 570 698 590
PGP-
WGP-
SGP-
FGP-
PGP-620 000 $88 720 $88 720 $177,440 $443 600 $709 760 242 080
WGP-366 385 003,453 723 311 076 321
SGP-140 000 330 810 333 860 515 320
PGP-620 000 $87 320 $87 320 $174 640 $436 600 $698 560 222,480
WGP-800 000 $1,975 553 784 370 734 115
SGP-140 000 294 210 297 260 $3,460 120
PGP-620 000 $90 520 $90 520 $181 040 $452 600 $724,160 267 280
WGP-188 207 $827 828
SGP-886 675 349 110 389 605 579 720
PGP-155 000 $22 631 $22 628 $45 264 $113 139 $181,048 $316 820
WGP-161 310 $709 520
SGP-904 782 349 110 $1,460 151 579 720
PA-
SVLNG
T1&2-619 657
T1 & T2-629 743
T1 & T2-086 005
T3-IMG 821 250
T4-IMG 930 271
FGP-IMG
FB-
MrktSell
IFO
FGP-NIT 825 000 $21 530 $21 530 $43 060 $107 650 $172 240 $301,420 $655,418 $591 990 238 605 150 155 151 680 734 660
FGP-Stan
FGP-
FGP-SU2
BLANK
Year 4
Intermountain Gas IRP
2005-09 IRP Model
Transport Utilization
Scenario: Design Low Growth
April 2004
4 Year
Number of periods 12 = Number of Periods I Transport
Number of Resources Transport Utilization Rate Capability
Resource From MMBtu/day
1 ENWP-Sumas IMG 146
2 ENWP-Stanfield IMG 0.4 800
3 ENWP-N. Green IMG 0.4 33,026
4 ENWP-S. Green IMG 358
5 EPGT -NIT Stanfield 158
6 EPGT -NIT Stanfield 686
7 ENWP-Stanfield IMG 15,000
8 ENWP-JP2 Stanfield IMG 0.4 500
9 ENWP-Stanfield IMG 000
EIMG-IMG Boise 500 000
ELAT-BOI IMG Boise 315,000
ELAT-CAN IMG Canyon 0.4 500
ELAT-CAN IMG Idaho Falls 0.4 0.4 69,000
ELAT-SUN IMG Sun Valley 14,400
FNWP-Sum as IMG 50,000
FNWP-Stanfield IMG 50,000
FNWP-N. Green IMG 000
FNWP-S, Green IMG 000
FPGT -NIT Stanfield 10,000
XLA T -CAN IMG Canyon 500
XLA T -CAN2 IMG Canyon 000
XLAT-IF1 IMG Idaho Falls 500
XLAT-IF2 IMG Idaho Falls 500
XLAT-SUN IMG Sun Valley 000
FLAT-BOI IMG Boise 000
FLAT-CAN IMG Canyon 000
FLAT-IMG Idaho Falls 000
FLAT-SUN IMG Sun Valley 50,000
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
Year 4
Intermountain Gas IRP
2005-09 IRP Model
Transport Utilization
Scenario: Design Low Growth
April 2004
Year
Number of periods Transport Capacity by Period in MMBtu Per Day Annual
Number of Resources Volume in
Resource From Arc MMBtu
1 ENWP-Sumas IMG 20,437 20,437 20,437 20,437 20,437 20,437 20,437 20,437 437 937 937 937 633 560
2 ENWP-Stanfield IMG 557 557 557 557 557 557 557 557 727 705 686 647 683 260
3 ENWP-N. Green IMG 026 026 026 026 026 026 026 673 955 18,455 280 455 023 806
4 ENWP-S. Green IMG 358 358 358 358 890 109 358 358 396 740 973 797 867
5 EPGT -NIT Stanfield 158 158 158 158 666 158 158 158 661 500 757 968 962
6 EPGT -NIT Stanfield 194 194 194 194 686 17,194 194 194 686 560 950
7 ENWP-Stanfield IMG
8 ENWP-JP2 Stanfield IMG 500 500 22,500 500 150 250 11,475 529 200
9 ENWP-Stanfield IMG 000 000 000 237 379 185
EIMG-IMG Boise
ELA T -BOI IMG Boise 237 599 246 226 256 295 219 836 203 727 197,352 188,455 175 303 144 738 597 538 215 6,488 342
ELAT-CAN IMG Canyon 500 500 245 505 823 376 42,483 39,492 32,528 260 094 218 1,472 867
ELAT-CAN IMG Idaho Falls 000 000 000 770 022 548 580 513 394 875 31,559 632 921 693
ELAT-SUN IMG Sun Valley 14,400 14,400 895 291 312 927 412 611 750 999 607 334 516
FNWP-Sumas IMG
FNWP-Stanfield IMG
FNWP-N. Green IMG 929 929 929 929 928 929 431 790
FNWP-S. Green IMG 1 ,462 1 ,463 463 1 ,463 181 167
FPGT -NIT Stanfield
XLA T -CAN IMG Canyon
XLAT-CAN2 IMG Canyon 556 142 698
XLAT-IF1 IMG Idaho Falls "i,145 145
XLAT-IF2 IMG Idaho Falls 500 227 731 188
XLAT-SUN IMG Sun Valley 1,464 670 842 134
FLAT-BOI IMG Boise
FLAT-CAN IMG Canyon
FLAT-IMG Idaho Falls
FLAT-SUN IMG Sun Valley
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
BLANK
763 786 763 787 763 787 651 262 602 224 582 863 551,315 511 297 413 271 272 070 195,459 143 920
Year 5
Transport Transport Capacity by Period in MMBtu Per Day Annual
Transport Utilization Rate Capability Volume in
101 111 MMBtu/day Arc MMBtu
Area/Node From Area/Node To Peak
ARC#Name Area #Area #ARC#Max Demand
1 Sumas 1 IMG 146 20,437 20,437 437 20,437 437 437 437 20,437 437 937 937 937
2 Stanfield 2 IMG 246 300 181 057 181 057 181 057 120 640 332 055 807 458 771 705 962 948
3 N. Green 3 IMG 026 955 955 955 955 955 963 026 955 955 455 302 455
4 S. Green 4 IMG 110 358 321 320 321 320 583 358 524 321 396 635
5 NIT 5 Stanfield 844 352 352 352 352 352 352 352 352 347 500 757
6 IMG 6 Boise 875 500 290 345 236 306 244 733 254 576 215 960 200 135 193 873 185 132 172 212 142 186 366 75,442 083
7 IMG 6 Canyon 119 500 726 726 360 052 508 901 43,483 627 697 873 812 750 932
8 IMG 6 Idaho Fa 137 000 611 611 322 935 214 555 116 196 53,203 255 989 801 944
9 IMG 6 Sun VailE 66,400 460 15,460 686 541 004 049 674 172 392 578 898 541 1,795
Transport Lateral + Storage = Peak Demand 453 142 760 225 760 224 760 226 639 390 591 299 572,311 541 274 502 028 405,798 270,297 188 492 141 175
Storage (Ci).Boise 039 193 389
Storage tfi1 Canyon I
Storage ~Idaho Falls
Storage Sun Valley
Total Boise 290 345 290,345 276 926 257 965 215 960 200 135 193 873 185 132 172,212 142 186 366 442 083
Total Canyon I 726 726 62,360 052 508 901 483 627 697 31,873 812 750 13,932
Total Idaho Falls 611 611 77,322 72,935 214 555 116 196 203 255 35,989 801 27,944
Total Sun Valley 15,460 460 14,686 13,541 004 10,049 674 172 392 578 898 541 795
453 142 453 142 431 295 402,492 338 685 314 640 305 146 292 128 272 504 226 892 161 065 125 534 106,754
;-:..
From Aboye TolMG Transport 311 770 311 769 311 770 251 352 227 307 217 813 204,795 185 172 139 559 732 201 34,421
From Aboye To Laterals Transport 399 103 399 102 399 103 338 685 314 640 305 146 292 128 272,504 226 892 161 065 125 534 106 754
From Utilization Storace 039 193 389
From Aboye Total Stro & Transport 453142 431 295 402 492 338,685 314640 305 146 292128 272504 226,892 161 065 125 534 106,754
From Gas Utilization Gas Supply Supply 453 142 431 295 402 492 338 685 314,640 305 146 292,128 272 504 226 892 172,430 164,421 172,430
No Cost tfi1 Sumas/SGreen/Stan 1 & T-Supply 20,097 097 097 097 097 097 20,097 097 097 20,097 20 097 20,097
IGC own supply Supply 370 712 348 865 320062 256 255 232 210 222,716 209,698 190 075 144,462 000 991 000
No Cost Gas (ff) IMG 3 & T-4 Supply 62333 333 333 333 62333 333 62,333 333 62,333 62,333 333 62,333
From LDC Dist Demand 453,142 431 295 402 492 338685 314640 305146 292128 272 504 226,892 159 540 125534 106754
Days Volumes below
From Gas Utilization Gas Supply Volume Sup~453 142 431 295 804 985 1 693,427 2517119 272 044 055 955 630 125 840,413 10,518 226 10,029 683 863,554 109 968
No Cost (Ci) Sumas/SGreen/Stan 1 & T-Volume SuP~097 20097 194 100,485 160776 281 358 623 007 562 716 225 917 225,917 225 917 848,924 335,405
IGC own supply Volume Sup~370 712 348 865 640 125 281,277 1 857 679 118,025 500 627 322 087 812187 5,490,000 001,457 280,000 023 041
No Cost Gas (Ci) IMG 3 & T-4 Volume SUPI:333 333 124 666 311 665 498 663 872 661 932 321 745 322 802 309 802,309 802 309 734 630 751 521
From LDC Demand 453 142 431 295 804 985 1 693,427 2517119 4 272,044 055 955 630,125 840,413 731 944 657,567 821 388 67909403
Storace Iniections 786,282 372 117 6042,166 200 565
Year 4
Intermountain Gas IRP
2005-09 IRP Model
Transport Cost Summary
Scenario: Design Low Growth
April 2004
Transport Transport Transport Total
Annual Variable Variable Variable Transport
4 Year Volume Cost Inflation Cost Cost
Resource MMBtu $/MMBtu Factor Nominal $8 Nominal $8
1 ENWP-633 560 $0.036 $24 271 $24 271
2 ENWP-683 260 $0.036 $102 795 $102 795
3 ENWP-023 806 $0.036 $39 222 $39 222
4 ENWP-871 097 $0.036 $71 681 $71 681
5 EPGT-996,898 $0.010 $10 632 $10 632
6 EPGT -533 014 $0.010 685 $5,685
7 ENWP-$0.030
8 ENWP-JP2 423 669 $0.030 $13,488 $13,488
9 ENWP-345 915 $0.030 $11 013 $11 013
EIMG-$0.000
ELAT-BOI 385 291 $0.000 $639 $639
ELAT-CAN 1,445 605 $0.000 $145 $145
ELAT-CAN 881 251 $0,000 $188 $188
ELAT-SUN 326 731 $0.000 $35 $35
FNWP-$0.300
FNWP-$0.300
FNWP-361 911 $0.300 $108 573 $108,573
FNWP-28,463 $0,300 539 539
FPGT -$0.180
XLA T -CAN $0.000
XLAT-CAN2 087 $0.000
XLAT-IF1 $0.000
XLAT-IF2 691 $0.000
XLAT-SUN 346 $0.000
FLAT-BOI $10.000
FLAT-CAN $10.000
FLAT-$10.000
FLAT-SUN $10.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
980 594 396 910 396 910
Year 4
Year 4
ANNUAL SUMMARY
Total Transport Cost
$396,910
Total Resource Cost
$192 906,451
TotallRP Costs
$193,303,361
PV$s
175,730 328
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Rates
Scenario: Design Low Growth
April 2004
Year - Number of periods
# of resources Area Utilization rates by period MMBtu
Resource Delivered per day
1 EGP-SU-Sumas 500
2 EGP-AL-NIT 000
3 EGP-AL-NIT 500
4 EGP-ST-Stanfield 0 10 000
5 EGP-NG-N. Green
"' ,~",
6 EGP-NG-N. Green 0 ,
, '
7 EGP-SG-S. Green 0 15 000
8 EGP-SG-S. Green 000
9 EGP-SG-S. Green 000
EGP-CG-IMG 000
EGP-CG-IMG 000
NIT 852
Boise 000
Stanfield 000
Stanfield 500
Stanfield 000
EST-S. Green 0.4 321
FGP-SU1 Sumas
PGP-Sumas 000
WGP-Sumas 000
SGP-Sumas 000
FGP-Stanfield
PGP-Stanfield 000
WGP-Stanfield 000
SGP-Stanfield 000
PGP-NIT 000
WGP-NIT 000
SGP-NIT 0 10 000
PGP-N. Green
WGP-N. Green 0.4
, ,j:~:;~
SGP-N. Green
'" '
PGP-S. Green 0 20 000
WGP-S. Green 000
SGP-S. Green 000
PA-Idaho Falls
SVLNG Sun Valley 200
Sumas 4,437
Stanfield 205
S. Green 8,455
IMG 250
41 IMG
~:~~
FGP-IMG IMG
FB-IMG 0 5 000
MrktSell IMG :1...1IFaIdaho Falls
FGP-NIT NIT 0 5 000
FGP-Stan Stanfield
FGP-Citygate 000
FGP-SU2 Sumas
BLANK
Year 5
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Rates
Scenario: Design Low Growth
April 2004
Year
50 # of resources Area Capacity in MMBtu/day by Period
Resource Delivered Storage?Total
1 EGP-SU-Sumas 500 500 500 500 500 500 500 500 500 500
2 EGP-AL-NIT 000 000 000 000 000 000 000 000 000 000 000 000 000
3 EGP-AL-NIT 500 500 500 500 500 500 500 500 500 500 500 500 000
EGP-ST-Stanfield 000 000 000 000 000 000 000 000 000 000
5 EGP-NG-N. Green 500 500 500 500 500 500 500 500 500 500
EGP-NG-N. Green 000 000 12,000 000 000 000 000 000 000 108 000
EGP-SG-S. Green 15,000 000 000 000
EGP-SG-S. Green 000 000 000 000 000 000 000 000 000 000 000 000 000
EGP-SG-S. Green 000 000 000 000 000 000 000 000 000 000
EGP-CG-IMG 000 000 000 000 000 000 000 000 000 135 000
EGP-CG-IMG 000 000 000 000 000 000 000 000 000 000 000 000 120 000
NIT 852 852 852 852 852 852 852 852 847 164 663
Boise 957 670 300 927
Stanfield
Stanfield 500 500 500 500 150 250 11,475 133 875
Stanfield 000 000 72,000 237 234 237
EST-S. Green 321 321 321 321 390 609 321 321 396 394 320
FGP-SU1 Sumas 500 500 500 500 500 500 500 500 500 500 500 500 000
PGP-Sumas
WGP-Sumas
SGP-Sumas
FGP-Stanfield
PGP-Stanfield 000 000 000 000 000 000 120 000
WGP-Stanfield 000 000 175 175
SGP-Stanfield 000 000 000 000
PGP-NIT 000 000 000 000 000 000 120 000
WGP-NIT 000 000 000 000
SGP-NIT 000 000 000 000
PGP-N. Green 000 000 000 000 000 000 120 000
WGP-N. Green 071 718 789
SGP-N. Green 000 825 000 825
PGP-S. Green 500 500 500 500 500 500 000
WGP-S. Green 218 037 255
SGP-S. Green 000 907 000 907
PA-Idaho Falls
SVLNG Sun Valley
Sumas 4,437 4,437 4,437 4,437 4,437 4,437 4,437 4,437 4,437 4,437 437 4,437 249
Stanfield 205 205 205 205 205 205 205 205 205 205 205 205 457
S. Green 8,455 8,455 455 8,455 8,455 8,455 455 8,455 8,455 8,455 8,455 8,455 101,458
IMG 250 250 250 250 250 250 250 250 250 250 250 250 000
IMG 645 645 645 645 645 645 645 645 645 645 645 645 739,741
FGP-IMG IMG
FB-IMG
MrktSell IMG
IFa Idaho Falls
FGP-NIT NIT 000 000 000 000 000 000 000 000 000 000 000 000 000
FGP-Stan Stanfield
FGP-Citygate 000 000 000 000
FGP-SU2 Sumas
BLANK
Totals 462 122 439 835 410,465 345,402 320 884 311 203 297 929 277,920 231,410 173,992 169 724 173,992 614 877
Year 5
MMBtu Capacity in MMBtu/day by Period
101 per day Storage?121 Total
Supply by Area Max Avail.Peak Dmd Total
Sumas 000 20,437 20,437 20,437 20,437 20,437 20,437 20,437 20,437 20,437 11,937 937 937 219 749
Stanfield 214 500 131 705 131 705 131 705 942 355 48,455 680 205 380 205 205 205 735 745
N. Green 500 955 955 955 955 954 955 026 673 955 18,455 280 18,455 427 571
S. Green 118 321 820 61,821 821 821 890 109 539 358 396 000 907 000 609 481
NIT 352 352 352 352 352 352 352 352 352 347 500 500 500 485 663
IMG 000 895 895 895 895 895 895 88,895 895 895 895 895 895 036 741
Boise 000 295 556 957 670 300 927
Canyon 056
Idaho Falls 000 645
Sun Valley 200 864
Totals 462 122 462,122 439 835 410 465 345 402 320 884 311 203 297 929 277,920 231,410 173 992 169 724 173,992 614 877
This check Model Peak Dmd Res 2 area Res (Q:1 area Total/QJarea Res from Net at
looks at Peak Day Check darea(2)trtoar(8)trarea(7)tarea(6)trfrar(9)Node
Delivery of 481 1 Sumas 437 437 20,437
supply.482 2 Stanfield 352 131,705 181 057 181 057
483 3 N. Green 955 955 955
484 S. Green 820 820 820
485 NIT 352 352 352
486 IMG 310 269 895 404,165 404 165
487 Boise 295 556 237,599 957 295 556 295 556
488 Canyon 056 056 056 056
489 Idaho Falls 84,645 84,645 84,645 645
490 Sun Valley 15,864 15,864 864 864
Totals 462 122 763 786 462 122 IiJ::JJ:::::1J1l 763 786 462 122
Storage by Period
Boise Storace 957 670 300
Canyon Storace
Idaho Falls Storace
Sun Vallev Storace
Year 5
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Volumes
Scenario: Design Low Growth
April 2004
Year Flow Capacity in MMBtu Per Period. Number of days in period
!'lif;::i;1i&;19~; # of resource Area
Resource Days Totals
1 EGP-SU-Sumas 500 500 17,000 42,500 000 119 000 263 500 238 000 518 500 283 500
2 EGP-AL-NIT 000 000 000 000 000 000 000 000 183 000 183 000 183 000 276 000 095 000
3 EGP-AL-NIT 500 500 000 12,500 20,000 000 77,500 000 152 500 152 500 152 500 230 000 912 500
4 EGP-ST-Stanfield 000 000 000 000 000 140 000 310 000 280 000 610 000 510 000
5 EGP-NG-N. Green 500 500 000 500 52,000 000 201 500 182 000 396 500 981 500
6 EGP-NG-N. Green 000 000 000 000 997 168 000 372 000 336 000 732 000 811 997
7 EGP-SG-S. Green 915 000 915 000 380 000 210 000
8 EGP-SG-S. Green 000 000 000 35,000 000 000 217 000 196 000 427,000 427,000 427 000 644 000 555 000
9 EGP-SG-S. Green 000 000 000 000 000 000 000 000 183 000 453 000
EGP-CG-IMG 000 000 000 000 120 000 210 000 465 000 420 000 915 000 265 000
EGP-CG-IMG 000 000 000 000 80,000 140 000 310 000 280 000 610 000 610 000 610 000 920 000 650 000
12 'NIT 852 852 704 260 150 816 263 928 584,412 527 856 844 654 541 334
Boise 957 670 600 106 227
Stanfield
Stanfield 500 500 000 112 500 169,200 157 500 355 725 884 925
Stanfield 000 000 144 000 185 379 185
S. Green 321 321 642 241 605 347 119 610 525 1,497 948 352 985 061 127 304 593
FGP-SU1 Sumas 500 500 000 500 000 105 000 232 500 210 000 457 500 457 500 457 500 690 000 737 500
PGP-Sumas
WGP-Sumas
SGP-Sumas
FGP-Stanfield
PGP-Stanfield 000 000 000 100 000 160 000 280 000 620 000
WGP-Stanfield 465 000 420 000 681 702 566 702
SGP-Stanfield 610 000 610 000 920 000 140 000
PGP-NIT 20,000 20,000 000 100 000 160 000 280 000 620 000
WGP-NIT 465 000 420 000 915 000 800 000
SGP-NIT 610 000 610 000 920 000 140 000
PGP-N. Green 000 20,000 000 100 000 160 000 280 000 620 000
WGP-N. Green 188 207 132 099 320 306
SGP-N. Green 610 000 538 321 920 000 068 321
PGP-S. Green 500 500 000 502 000 001 108 503
WGP-S. Green 285 759 039 342 797
SGP-S. Green 610 000 421 303 920 000 951 303
PA-Idaho Falls
SVLNG Sun Valley
T1 &2-Sumas 4,437 4,437 875 187 35,499 124 137 560 124 248 270 682 270 682 270 682 408 242 619 657
T1&T2-Stanfield 205 205 14,410 024 638 100 867 223 348 201 734 439,491 439,491 439 491 662,839 629 743
T1&T2-S. Green 455 8,455 910 274 638 118 367 262 099 236 735 515 743 515 743 515,743 777 842 086 005
T3-IMG IMG 250 250 500 11,250 000 500 750 000 137 250 137 250 137 250 207 000 821 250
T4-IMG IMG 645 645 123 290 308 225 493 161 863,031 910,998 726 063 760 351 760 351 760 351 671 348 500,458
FGP-IMG IMG
FB-IMG
MrktSell IMG
IFa Idaho Falls
FGP-NIT NIT 000 000 000 000 000 000 155 000 140 000 305 000 305 000 305 000 460 000 825 000
FGP-Stan Stanfield
FGP-Citygate 000 000 000 000
FGP-SU2 Sumas
BLANK
368 129 345 843 632 946 282 051 855,132 110 954 6,477,051 289 979 687,483 185 000 924 624 820 000 979 193
Year 5
Intermountain Gas IRP
2005-09 IRP Model
Resource Utilization Volumes
Scenario: Design Low Growth
April 2004
Year ij~Flow Capacity in MMBtu Per Period *Number of days period
j)f&$!!jlle!?i!# of resource Area
Resource Days 611 Totals
Are Name
;1;Sqroafiij;\W~!;;;\!11k 20,437 20,437 875 102 187 163,499 286 124 633 560 572 248 246 682 728 182 728 182 098 242 640 657
.$,
~gn!itijl(fjt1fi;!i 131 705 131 705 263,410 389 709 466 838 678 367 354 073 901 734 731 193 049 491 049,491 582 839 730 554
NWJ~i;~J~n~~Iif4l!955 955 910 234 774 375 635 657 367 023 806 886 834 644 243 125 743 054 065 697 842 888 129
~Sfi~!(g~~PJit!11gi1!820 61,821 123 642 309 106 455 119 799 526 093 707 690 024 671 127 952 000 763 303 944 000 925 195
352 352 704 246 760 394 816 690 928 374 912 241 856 2,400 154 250 500 250 500 886 000 933 834
895 895 187,790 444 475 711 161 244 531 755 748 2,489 063 5,422 601 507 601 507 601 798 348 256 708
957 670 12,600 106 227
462 122 439 835 820 930 727 012 567 069 356 843 235 806 781 758 116 001 613 518 353 142 007 272 481 306
Year 5
Intermountain Gas IRP
2005-09 IRP Model
Storage Injection Rates & Volume
Scenario: Design Low Growth
April 2004
Year 5
Year 12 - Number of Periods
50 # of resource Area Injection Rate by Period
Resource Delivered
1 EGP-SU-Sumas
2 EGP-AL-NIT
3 EGP-AL-NIT
EGP-ST-Stanfield
5 EGP-NG-N. Green
6 EGP-NG-N, Green
7 EGP-SG-S. Green
8 EGP-SG-S. Green
EGP-SG-S. Green
EGP-CG-IMG
EGP-CG-IMG
....
NIT 0.4
Boise
Stanfield
Stanfield
Stanfield
S. Green
FGP-SU1 Sumas
PGP-Sum as
WGP-Sumas
SGP-Sumas
FGP-Stanfield
PGP-Stanfield
WGP-Stanfield
SGP-Stanfield
PGP-NIT
WGP-NIT
SGP-NIT
PGP-N. Green
WGP-N. Green
SGP-N. Green
PGP-S, Green
WGP-S. Green
SGP-S, Green
PA-Idaho Faile
SVLNG Sun Valle~
T1 &2-Sumas
T1&T2-Stanfield
T1 & T2-S. Green
T3-IMG
T4-IMG IMG
FGP-IMG IMG
FB-IMG
MrktSell IMG
IFa Idaho Fall~
FGP-NIT NIT
FGP-Stan Stanfield
FGP-Citygate
FGP-SU2 Sumas
BLANK
Intermountain Gas IRP
2005-09 IRP Model
Storage Injection Rates & Volu
Scenario: Design Low Growth
April 2004
Year Injections MMBtu per period
50 # of resource Area Injection Injection Check
Resource Delivered MMBtu days Totals Cost Uitization
1 EGP-SU-Sumas
2 EGP-AL-NIT
3 EGP-AL-NIT
4 EGP-ST-Stanfield
5 EGP-NG-N. Green
EGP-NG-N. Green
7 EGP-SG-S. Green
8 EGP-SG-S. Green
EGP-SG-S. Green
EGP-CG-IMG
EGP-CG-IMG
NIT 26,923 655 334 886,000 541 334 533 541,334
Boise 800 106,227 106,227 172 106 227
Stanfield 084
Stanfield 30,084 884 925 884 925 884 925
Stanfield 939 802 362,383 379,185 212,495 379,185
S. Green 47,649 686 840 763,303 854,451 304 593 131 554 304 593
FGP-SU1 Sumas
PGP-Sumas
WGP-Sum as
SGP-Sumas
FGP-Stanfield
PGP-Stanfield
WGP-Stanfield
SGP-Stanfield
PGP-NIT
WGP-NIT
SGP-NIT
PGP-N. Green
WGP-N. Green
SGP-N. Green
PGP-S, Green
WGP-S. Green
SGP-S. Green
PA-Idaho Fall!
SVLNG Sun Valle"
T1 &2-Sum as
T1&T2-Stanfield
T1 & T2-S, Green
T3-IMG IMG
T4-IMG IMG
FGP-IMG IMG
FB-IMG
MrktSeli IMG
IFa Idaho Fall . a
FGP-NIT NIT
FGP-Stan Stanfield
FGP-Citygate
FGP-SU2 Sumas
BLANK
ear5
Intermountain Gas IRP
2005-09 IRP Model
Variable Cost Summary
Scenario: Design Low Growth
Year 5
April 2004 Variable Cost Summary by Resource
Year Annual Total Total
50 # of resources Volume Annual Injection Variable Variable
Resource MMBtu $/MMBtu Cost Cost Cost
1 EGP-SU-283 500 $4.959 592 959 592
2 EGP-AL-095 000 $3.298 843 298 843
3 EGP-AL-912 500 $4.765,781 765,781
4 EGP-ST-510,000 $4.011 285 011 285
5 EGP-NG-981 500 $4.194 180 194 180
6 EGP-NG-811 997 $4.743 089 743 089
7 EGP-SG-210 000 $3.549 735 549,735
8 EGP-SG-555 000 $4.347 803 347 803
EGP-SG-453 000 $4.935 776 935,776
EGP-CG-265,000 $4.10,652 828 10,652 828
EGP-CG-650 000 $3.292 975 292,975
541,334 $3.$63 533 634 199 697 732
106,227 $4.$71 172 456,351 527 523
$0.
884 925 $3.462 711 3,462,711
379 185 $4,$212 495 628,978 841,473
...,
304 593 $3.$131 554 756,872 20,888,426
FGP-SU1 737 500 $4.565,431 565 431
PGP-$0.
WGP-$0.
SGP-$0.
FGP-$0.
PGP-620,000 $4.45 756 520 756,520
WGP-566,702 $4.562 399 562 399
SGP-140 000 $3.216,690 216 690
PGP-620 000 $4.713,120 713,120
WGP-800,000 $4.7,413,488 7,413,488
SGP-140,000 $3.088,290 088 290
PGP-620,000 $4.806 120 806,120
WGP-320 306 $4.386,445 386,445
SGP-068 321 $3.085 797 085,797
PGP-108,503 $4,491 082 491 082
WGP-342 797 $4.1,483,798 1,483 798
SGP-951 303 $3.627 551 627 551
PA-$0.
SVLNG $0.
T1 &2-619 657 $0.
T1 & T2-629 743 $0.
T1 &T2-086 005 $0.
T3-IMG 821 ,250 $0.
T4-IMG 500,458 $0.
FGP-IMG $0.
FB-$0.
MrktSell $0.
IFa $0.
FGP-NIT 825 000 $3.182 988 182 988
FGP-Stan $0.
FGP-20,000 $4.40 87.920 920
FGP-SU2 $0,
BLANK $0.
Intermountain Gas IRP
2005-09 IRP Model
Variable Cost Summary
Scenario: Design Low Growth
April 2004
Year Annual
50 # of resources Volume Period Period Period Period Period Period Period Period Period Period Period Period
Resource MMBtu
1 EGP-SU-283 500 $40,936 $40,936 $81 872 $204 680 $327,488 $573 104 230,150 111 103 349,324
2 EGP-AL-095 000 $12 918 $12,918 $25 836 $64 590 $103,344 $180,852 $386 741 $349 314 $735 843 $690 093 $692 838 043 556
3 EGP-AL-912 500 $11 268 $11 268 $22 535 $56 338 $90,140 $157 745 $337 861 $305 165 $643,855 $605 730 $608,018 $915,860
4 EGP-ST-510 000 $48,160 $48 160 $96 320 $240 800 $385 280 $674 240 $1,447 235 307,180 763,910
5 EGP-NG-981 500 $28 899 $28,899 $57 798 $144,495 $231 192 $404 586 $866 148 $782 327 649,837
6 EGP-NG-811 997 $53 352 $53 352 $106 704 $266,760 $426,803 $746 928 $1,599,042 $1,444 296 $3,045,852
7 EGP-SG-210,000 569 415 $3,583 140 $5,397 180
8 EGP-SG-555 000 $31 052 $31 052 $62 104 $155,260 $248,416 $434,728 $930 605 $840,546 772,477 661,457 $1,667 862 512 244
9 EGP-SG-453 000 $13,338 $13,338 $26 676 $66 690 $106,704 $186,732 $399 761 $361 074 $761,463
EGP-CG-265 000 $73,140 $73 140 $146 280 $365 700 $585 120 023 960 198,753 985,970 200 765
EGP-CG-650 000 $42 960 $42 960 $85 920 $214 800 $343 680 $601,440 286,035 161,580 446 710 $2,294 210 303,360 $3,469 320
541 334 $71,468 $71,468 $142 936 $357 340 $571 743 000,551 $2,215,506 001,102 202 085
106 227 $248 983 $153,238 $54 130
884 925 $88,043 $88 043 $176 085 $440,213 $662 080 $616,298 391 952
379,185 $309,312 $309,312 $618,624 $391 730
304 593 $189 080 $189,080 $378 159 $945,399 358,278 388,983 $5,861,471 294,232 152 191
FGP-SU1 737 500 $36,120 $36 120 $72 240 $180 600 $288,960 $505 680 085,426 $980,385 072,933 793,858 800 720 712 390
PGP-
WGP-
SGP-
FGP-
PGP-620,000 $88,920 $88 920 $177 840 $444,600 $711 360 244 880
WGP-566 702 975,553 784 370 802,476
SGP-140,000 336 910 346,060 533,720
PGP-620 000 $87 520 $87 520 $175,040 $437 600 $700 160 225,280
WGP-800 000 947 653 759 170 $3,706,665
SGP-140 000 $2,300 310 309,460 $3,478 520
PGP-620,000 $90,520 $90,520 $181 040 $452,600 $724 160 $1,267 280
WGP-320 306 $814 654 $571 791
SGP-068,321 379 610 $2,108 067 598,120
PGP-108 503 $15 839 $15,841 $31 681 $79,213 $126 728 $221 780
WGP-342,797 236,907 $246,891
SGP-951,303 $2,379 610 649,821 598,120
P A-
SVLNG
T1 &2-619 657
T1&T2-629 743
T1&T2-086,005
T3-IMG 821 250
T4-IMG 500,458
FGP-IMG
FB-
MrktSell
IFO
FGP-NIT 825 000 $21 580 $21 580 $43,160 $107 900 $172 640 $302 120 $646,118 $583,590 229,455 153 205 157 780 743,860
FGP-Stan
FGP-000 $21,980 $21 980 $43 960
FGP-SU2
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Year 5
Intermountain Gas IRP
2005-09 IRP Model
Transport Utilization
Scenario: Design Low Growth
April 2004
Year
Number of periods 12 = Number of Periods Transport
Number of Resources Transport Utilization Rate Capability
Resource From MMBtu/day
1 ENWP-Sumas IMG 146
2 ENWP-Stanfield IMG 0.4 800
3 ENWP-N. Green IMG 026
4 ENWP-S. Green IMG 358
5 EPGT-NIT Stanfield 158
6 EPGT-NIT Stanfield 686
7 ENWP-Stanfield IMG 000
8 ENWP-JP2 Stanfield IMG 500
9 ENWP-Stanfield IMG 000
EIMG-IMG Boise 500 000
ELAT-BOI IMG Boise 315 000
ELAT-CAN IMG Canyon 0.4 500
ELAT-CAN IMG Idaho Falls 000
ELAT-SUN IMG Sun Valley 14,400
FNWP-Sumas IMG 000
FNWP-Stanfield IMG 000
FNWP-N. Green IMG 000
FNWP-S. Green IMG 000
FPGT -NIT Stanfield 000
XLA T -CAN IMG Canyon 500
XLAT-CAN2 IMG Canyon 0.4 000
XLAT-IF1 IMG Idaho Falls 500
XLAT-IF2 IMG Idaho Falls 0.4 500
XLAT-SUN IMG Sun Valley 000
FLAT-BOI IMG Boise 50,000
FLAT-CAN IMG Canyon 000
FLAT-IMG Idaho Falls 50,000
FLAT-SUN IMG Sun Valley 000
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Year 5
Intermountain Gas IRP
2005-091RP Model
Transport Utilization
Scenario: Design Low Growth
April 2004
5 Year
Number of periods Transport Capacity by Period in MMBtu Per Day Annual
Number of Resources Volume in
Resource From Arc MMBtu
1 ENWP-Sumas IMG 20,437 20,437 437 20,437 20,437 20,437 20,437 20,437 20,437 937 11,937 937 633,560
2 ENWP-Stanfield IMG 86,557 557 557 557 86,557 557 557 557 727 705 26,686 647 683 260
3 ENWP-N. Green IMG 33,026 33,026 026 33,026 026 33,026 026 673 955 18,455 280 455 023,806
4 ENWP-S. Green IMG 358 358 60,358 358 56,890 109 358 60,358 396 740 973 797 867
5 EPGT -NIT Stanfield 158 158 158 158 666 158 158 158 18,661 500 757 968 962
6 EPGT-NIT Stanfield 194 194 194 194 686 194 12,194 194 686 560,950
7 ENWP-Stanfield IMG
8 ENWP-JP2 Stanfield IMG 500 500 500 500 150 250 11,475 529,200
9 ENWP-Stanfield IMG 000 000 000 18,237 379 185
EIMG-IMG Boise
ElAT-BOI IMG Boise 237 599 246,226 256,295 219 836 203 727 197 352 188,455 175,303 144 738 99,597 538 215 488 342
ELAT-CAN IMG Canyon 59,500 500 245 505 823 376 42,483 39,492 528 260 094 218 472 867
ELAT-CAN IMG Idaho Falls 69,000 69,000 000 770 022 59,548 580 513 394 875 559 632 921,693
ELAT-SUN IMG Sun Valley 14,400 14,400 895 291 10,312 927 412 611 750 999 607 334,516
FNWP-Sumas IMG
FNWP-Stanfield IMG
FNWP-N. Green IMG 929 929 929 13,929 928 13,929 431 790
FNWP-S. Green IMG 462 1,463 1,463 463 181 13,167
FPGT-NIT Stanfield
XLAT-CAN IMG Canyon
XLAT-CAN2 IMG Canyon 556 142 698
XLAT-IF1 IMG Idaho Falls 145 145
XLAT-IF2 IMG Idaho Falls 500 227 731 188
XLAT-SUN IMG Sun Valley 464 670 842 134
FLAT-BOI IMG Boise
FLAT-CAN IMG Canyon
FLAT-IMG Idaho Falls
FLAT-SUN IMG Sun Valley
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763 786 763,787 763,787 651 262 602 224 582,863 551 315 511,297 413,271 272 070 195,459 143,920
Year 5
Transport Transport Capacity by Period in MMBtu Per Day Annual
Transport Utilization Rate Capability Volume in
101 111 MMBtu/day Arc MMBtu
Area/Node From Area/Node To Peak
ARC#Name Area #Area #ARC # Max Demand
1 Sumas 1 IMG 146 437 437 437 437 20,437 20,437 20,437 437 437 937 937 937
2 Stanfield 2 IMG 246 300 181 057 181 057 181 057 127 294 107 707 807 032 557 727 37,705 686 647
3 N. Green 31MG 026 955 955 955 955 954 955 026 673 955 455 280 18,455
4 S, Green 41MG 110 358 820 821 821 821 890 109 539 358 396 20,740 973
5 NIT 5 Stanfield 844 352 352 352 352 352 352 352 352 347 500 9,757
6 IMG 6 Boise 875 500 295 556 237 599 246226 256 295 219 836 203 727 197 352 188,455 175 303 144,738 597 538 215
7 IMG 6 Canyon 119 500 056 056 642 245 505 823 376 42,483 39,492 528 260 094 218
8 IMG 6 Idaho Fa 137 000 645 645 227 731 770 022 548 580 513 394 875 559 632
9 IMG 6 Sun Valle 66,400 864 864 070 895 291 312 927 9,412 611 750 999 607 842
Transport Lateral + Storage = Peak Demand 462 122 763 786 763,787 763 787 651 262 602 224 582,863 551 315 511,297 413 271 272 070 195 459 143 920
Storage (Boise 957 670 300
Storage (Canyon I
Storage Idaho Falls
Storage Sun Valley
Total Boise 295 556 295 556 281 896 262 595 219 836 203 727 197,352 188 455 175,303 144,738 597 538 215
Total Canyon I 056 056 63,642 245 505 823 376 483 492 528 260 17,094 218
Total Idaho Falls 645 84,645 227 731 64,770 61,022 59,548 57,580 513 394 875 31,559 632
Total Sun Valley 864 864 15,070 13,895 291 10,312 927 412 611 750 999 607 842
462 122 462 122 439 835 410,465 345,402 320 884 311 203 297 929 277,920 231 410 162 732 129 798 108 908
Transport & Supply Balane
From Above TolMG Transport 310 269 310 270 310 270 256 507 231 989 222,308 209 034 189 025 142 515 837 903 013
From Above To Laterals Transport 404165 404 165 404 165 345,402 320,884 311 203 297 929 277,920 231,410 162,732 129 798 108 908
From Utilization Storace 57 957 670 6300
From Above Total Strc & Transport 462.122 439 835 410,465 345402 320884 311,203 297 929 277 920 231,410 162732 129.798 108908
From Gas Utilization Gas Supply Supply 462 122 439 835 410,465 345402 320,884 311 203 297 929 277, 920 231,410 173 992 169 724 173 992
No Cost (Q) Sumas/SGreenlStan 1 & T-Supplv 20,097 20097 20097 20,097 097 097 097 20097 097 20,097 20,097 097
IGC own supplv Supply 378 129 355 843 326,473 261 410 236 892 227 211 213 937 193 928 147,418 000 732 90000
No Cost Gas (Q) IMG 3&T-4 Supply 895 895 895 63895 895 895 895 895 895 895 895 895
From LOC Dist Demand 462122 439,835 410,465 345 402 320884 311.203 297 929 277,920 231 410 162 732 128,057 108908
Days Volumes below
From Gas Utilization Gas Supplv Volume SueD 462 122 439,835 820,930 1727012 567 069 356 843 235 806 781,758 14,116 001 10,613 518 353 142 007,272 78,481 306
No Cost (Q) Sumas/SGreen/Stan 1 & T-Volume Supp 097 097 194 100,485 160 776 281 358 623 007 562.716 225 917 225 917 225 917 848 924 335,405
IGC own supplv Volume SueD 378 129 355 843 652946 1 307 051 895 132 3180 954 632 051 5,429 979 992,483 490 000 229 624 280 000 824 193
No Cost Gas (g) IMG 3 & T-4 Volume Supp 895 895 127 790 319,475 511 161 894 531 980 748 789 063 897 601 897 601 897 601 878 348 321 708
From LDC Demand 462 122 439835 820,930 1 727 012 567 069 356 843 235 806 781,758 116 001 926,678 811,476 019 514 265 042
Storace Injections 686 840 541 666 987 759 216 264
Year 5
Intermountain Gas IRP
2005-09 IRP Model
Transport Cost Summary
Scenario: Design Low Growth
April 2004
Transport Transport Transport Total
Annual Variable Variable Variable Transport
5 Year Volume Cost Inflation Cost Cost
Resource MMBtu $/MMBtu Factor Nominal $s Nominal $s
1 ENWP-633 560 $0.036 $24 757 $24 757
2 ENWP-683 260 $0.036 $104 851 $104 851
3 ENWP-023 806 $0.036 $40 006 $40 006
4 ENWP-797 867 $0.036 $70 253 $70 253
5 EPGT -968 962 $0.010 $10 541 $10 541
6 EPGT -560 950 $0.010 102 102
7 ENWP-$0.030
8 ENWP-JP2 529 200 $0.030 $17 185 $17 185
9 ENWP-379 185 $0.030 $12 313 $12 313
EIMG-$0.000
ELAT-BOI 6,488 342 $0.000 $649 $649
ELAT-CAN 1,472 867 $0.000 $147 $147
ELAT-CAN 921 693 $0.000 $192 $192
ELAT-SUN 334 516 $0.000 $36 $36
FNWP-$0.300
FNWP-$0,300
FNWP-431 790 $0.300 $129 537 $129 537
FNWP-167 $0.300 950 950
FPGT -$0.180
XLA T -CAN $0.000
XLAT-CAN2 10,698 $0.000
XLAT-IF1 145 $0.000
XLAT-IF2 188 $0.000
XLAT-SUN 134 $0.000
FLAT-BOI $10.000
FLAT-CAN $10,000
FLAT-$10.000
FLAT-SUN $10.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
BLANK $0.000
289 331 420 527 420 527
Year 5
Year 5
ANNUAL SUMMARY
Total Transport Cost
$420,527
Total Resource Cost
$195,637,390
TotallRP Costs
$196 057 917
PV$s
178,234,470