20040104Unbundled Costs for 2003.pdf

MEM 0 RAND UM
TO:COMMISSIONER KJELLANDER
COMMISSIONER SMITH
COMMISSIONER HANSEN
LOU ANN WESTERFIELD
LAURA NELSON
RANDY LOBB
DAVID SCHUNKE
TERRI CARLOCK
W 0 RKIN G FILE
FROM:KEITH HESSING
DATE:JANUARY 3, 2005
RE:2003 ELECTRIC UTILITY UNBUNDLED COSTS
Pursuant to Commission Order No. 28804 (Case Nos. AVU-01-, IPC-01-
PAC-01-9) Avista Utilities, Idaho Power Company and PacifiCorp have filed unbundled cost
studies with the Commission based on a 2003 test year. The unbundled cost information filed by
each utility is attached to this memorandum. It is organized by utility and presented in the same
format used in the previous report, which was based on a 2001 test year. Each utility s report
contains 4 or 5 pages. Page 1 is the information filed by the utility. It contains annual cost and
billing determinant information and is the basis for the other pages of analysis that are provided.
Page 2 shows the same unbundled categories as page 1 except costs are shown in cents per
kilowatt-hour instead of dollars. Page 3 shows functionally unbundled categories in cents per
kilowatt-hour and each function s percentage of total cost. Page 4 has three parts: Functionally
unbundled costs for each category by billing component, costs rolled up into energy, demand and
customer components and average monthly cost per customer for each category. Idaho Power
information contains a fifth page that identifies each of its rate schedules by name. A vista and
PacifiCorp information is composed of only four pages because their rate schedule information is
included on other pages.
I have made no comparison of unbundled costs either for the same utility from one year
to another or among the three utilities in a given year. Care should be taken if such comparisons
are made. This is the fifth unbundled cost report filed by each of these utilities under
Commission Order. Over the years there have been changes in methodology, differences in rates
of return included in the studies and differing treatments of speculative trading. These items
along with differences in actual test year accounting data cause the results to vary with each new
study.
In spite of the limitations on comparability, these unbundled cost studies provide
information of value. I would be glad to answer any questions concerning this information.
Attachment
u:khessin:2003 ty unbundle/memorandum
AVISTA UTiliTIES
UNBUNDLED COSTS
. .
STATE OF IDAHO
2003 TEST YEAR
AVISTA UTILITIES
UNBUNDLING REPORT
IDAHO
12 MONTHS ENDED DECEMBER 31,2003
AT EARNED RETURN
Voltage Categories
Description Unit Small Secondary Primary Transmission
Rate of Return 61%8.46%60%67%
Total
Generation
Demand Related Costs 17,409,273 11,440 679 698 373 39,548,325
Energy Related Costs 626 005 16,672 599 18,110 783 56,409 387
Net Benefit of 964 600)964 842)654 558)(18 584 000)
Secondary Sales Revenues
Demand Side Management 918 572 376 093 192 871 4,487 536
(including Low Income DSM)
Fish Mitigation 174 112 109 768 126 526 410,406
Alternative Energy Services 547 078 862 804 011 367 6,421 249
Total Generation 710,440 26,497 101 26,485,362 692 903
Transmission 675 056 992 836 2,498 612 166 504
Distribution Facilities 359 297 071 970 959,099 390 366
Metering 475,789 509,200 10,522 995 511
Meter Reading 740 787 80,424 789 822 000
Billing 390 173 114 001 826 522 000
Uncollectible Accounts 204,412 127 970 618 432 000
Other Customer Services 069 045 560,499 2,411 ,173 040 717
Total Non-Generation 914 559 16,456 900 997 639 369 098
Load at Customer Level MWh 179 379 780 828 966 692 926,899
Billing Demand N/A 566 725 893,420 4,460 145
Average No. of Customers No.103,173 921 108 126
Currently Served by Schedules No.See Note 1
Note 1 The customer categories include the rate schedules as listed below.
Small: Residential Service, Street and Area Lights and Non-Demand Metered General Service
Entire Schedules 1 and 41 through 49
Non-demand metered subset of Schedules 11 and 12 (11
Secondary: Demand Metered General Service, Large General Service taken at Secondary voltage and Pumping Service
Entire Schedules 31 and 32
Demand Metered sub-set of Schedules 11 and 12 (11
Secondary subset of Schedule 21 (21 S)
Primary: Large General Service taken at Primary voltage , Extra Large General Service, and Special Contract
Entire Schedules 25 and 25P
Primary subset of Schedule 21 (21 P)
Transmission: Special Contract
At the present time no Idaho customers take service at the transmission voltaQe level.
U:\2003 TV Unbundle\Avista Utilities 1/3/2005 KDH
AVISTA UTILITIES
UNBUNDLING REPORT
IDAHO
12 MONTHS ENDED DECEMBER 31 , 2003
Voltage Categories
Description Unit Small Secondary Primary Transmission
Rate of Return 61%8.46%60%00%67%
Average
Generation
Demand Related Costs ~/kWh 1.48 1.47
Energy Related Costs ~/kWh
Net Benefit of ~/kWh (0.68)(0.64)(0.58)(0.63)
Secondary Sales Revenues
Demand Side Management ~/kWh
(including Low Income DSM)
Fish Mitigation ~/kWh
Alternative Energy Services ~/kWh
Total Generation ~/kWh
Transmission ~/kWh
Distribution Facilities ~/kWh
Metering ~/kWh
Meter Reading ~/kWh
Billing ~/kWh
Uncollectible Accounts ~/kWh
Other Customer Services ~/kWh
Total Non-Generation ft/kWh
Total ~/kWh 3.46
Load at Customer Level MWh 179 379 780 828 966 692 926 899
Billing Demand N/A 566 725 893,420 4,460 145
Average No. of Customers No.103,173 921 108 126
Currently Served by Schedules *No.See Note 1
Note 1 The customer categories include the rate schedules as listed below.
Small: Residential Service, Street and Area Lights and Non-Demand Metered General Service
Entire Schedules 1 and 41 through 49
Non-demand metered subset of Schedules 11 and 12 (11
Secondary: Demand Metered General Service, Large General Service taken at Secondary voltage and Pumping Service
Entire Schedules 31 and 32
Demand Metered sub-set of Schedules 11 and 12 (11
Secondary subset of Schedule 21 (21 S)
Primary: Large General Service taken at Primary voltage, Extra Large General Service, and Special Contract
Entire Schedules 25 and 25P
Primary subset of Schedule 21 (21 P)
Transmission: Special Contract
At the present time no Idaho customers take service at the transmission voltage level.
U:\2003 TV Unbundle\Avista Utilities 1/3/2005 KDH
AVISTA UTILITIES
STATE OF IDAHO
SUMMARY OF UNBUNDLED COSTS
12 MONTHS ENDED DECEMBER 31,2003
AT EARN ED RETU RN
(CENTS/KWH)
Jurisdictional ROR = 4.67%
Voltage Categories
Function Small Secondary Primary Transmission
Rate of Return 61%8.46%60%00%
Power Supply 52.04%61.69%79.10%
Transmission Facilities 90%97%7.46%
Distribution Facilities 16.55%23.45%85%
Metering Facilities 69%19%03%
Meter Reading 08%19%00%
Billing 3.48%27%05%
U ncollectibles 30%30%30%
Other Customer Services 21.96%96%20%
Total 100.00%100.00%3.46 100.00%
U:\2003 TY Unbundle\Avista Utilities 1/3/2005 KDH
VISTA UTILITIES
STATE OF IDAHO
UNBUNDLED BilLING COMPONENT COSTS BY CUSTOMER GROUP
12 MONTHS ENDED DECEMBER 31, 2003
Jurisdictional ROR = 4.67%
Voltage Categories
Function Units Small Secondary Primary Transmission
Rate of Retu 61%8.46%60%00%
Power Supply cf,/kWh N/A
Transmission Facilities $/kW/Month N/A
Distribution Facilities $/kW/Month N/A
Transmission Facilities $/Cust/Month
Distribution Facilities $/Cust/Month
Metering Facilities $/Cust/Month 27.40 N/A
Meter Reading $/Cust/Month N/A
Billing $/Cust/Month 46.42 N/A
Uncollectibles $/Cust/Month 259.42 N/A
Other Customer Services $/Cust/Month 12.43.279.N/A
Rolled-Up Costs
Energy cf,/kWh N/A
Demand $/kW/Month N/A
Customer $/Cust/Month 26.57.44 614.40 N/A
Average Monthly Cost $/Cust/Month 55.43 727.195.N/A
U:\2003 TY Unbundle\Avista Utilities 1/3/2005 KDH
IDAHO POWER COMPANY
UNBUNDLED COSTS
STATE OF IDAHO
2003 TEST YEAR
IDAHO POWER COMPANY
UNBUNDLING REPORT
IDAHO
12 MONTHS ENDED DECEMBER 31,2003
Assumes Company Authorized Return
ROR = 7.852%Voltage Categories
Description Unit Small Secondary Primary Transmission (1)Irrigation
Total
Generation
Demand Related Costs 912 270 313 877 795,992 273 856 172 106 77,468 101
Energy Related Costs 101,447 187 359 781 43,388,480 092 932 34,411 884 235 700,264
Net Benefit of (20,952,411)(12 584 847)(10 253 526)(282 714)616 253)(51 689,751
Secondary Sales Revenues
Demand Side Management 146,068 033 080 762 904 287 666 934 625 273
(including Low Income DSM)
Fish Mitigation
Alternative Energy Services
Total Generation 118 553 114 121 891 693 850 100,361 634 671 266 103 887
Transmission 19,713 680 258 629 319 603 281 240 7,469 985 043 137
Distribution Facilities 112 769 774 288,751 11,437 351 574 204 536 233 774 986
Metering 688 138 100,397 632 546 790 705,375 155 246
Meter Reading 932 061 327 930 824 268 570 286,330 7,406 159
Billing 677 ,390 549,074 053 038 431 972 683 527
Uncollectible Accounts 036 558 434 336 357 541 828,435
Other Customer Services 103 141 380,986 709 180 299,736 788 752
Total Non-Generation 175,920,742 63,340,103 242 530 421 392 755,475 333 680 242
Load at Customer Level MWh 4,455,919 676 297 256 522 60,433 620,931 070,102
Billing Demand 328,365 534 673 148 109 204 145 215 292
Average No. of Customers No.359,525 919 210 307 389,969
Currently Served by Schedules *No.15,40,41,42
Number of Bills
Actual Bills 4,421 615 203,548 553 166,457 794 269
Unseasonalized (2)Bills 4,421 615 203,548 553 175 716 803 528
* List the rate schedule numbers for all schedules currently providing service under each voltage category.
Some rate schedules may provide service at more than one voltage.
All utilities need to provide a separate list of rate schedules by number with a description of the type of service provided
under each schedule.
(1) Does not include Special Contract customer data.
(2) Actual number of bills adjusted to remove the effect of seasonal usage by irrigation customers; unseasonalized number
of bills is used to determine the month Iv Der unit cost of transmission, distribution facilities and metering.
U:\2003 FV Unbundle\ldaho Power 1/3/2005 KDH
IDAHO POWER COMPANY
UNBUNDLING REPORT
IDAHO
12 MONTHS ENDED DECEMBER 31 2003
Assumes Company Authorized Return
ROR 852%
Voltage Categories
Description Unit Small Secondary Primary Transmission (1)Irrigation
Average
Generation
Demand Related Costs ~/kWh 0.45
Energy Related Costs ~/kWh
Net Benefit of ~/kWh (0.47)(0.47)(0.45)(0.47)(0.47)(0.47)
Secondary Sales Revenues
Demand Side Management ~/kWh
(including Low Income DSM)
Fish Mitigation ~/kWh
Alternative Energy Services ~/kWh
Total Generation ~/kWh 2.40
Transmission ~/kWh 0.44 0.47 0.46
Distribution Facilities ~/kWh
Metering ~/kWh
Meter Reading ~/kWh
Billing ~/kWh
Uncollectible Accounts ~/kWh
Other Customer Services ~/kWh
Total Non-Generation ~/kWh
Total ~/kWh 5.42
Load at Customer Level MWh 4,455 919 676,297 256 522 60,433 620 931 070 102
Billing Demand 328,365 534 673 148 109 204 145 215 292
Average No. of Customers No.359 525 16,919 210 307 389 969
Currently Served by Schedules *No.15,40,41,42
Number of Bills
Actual Bills 4,421 615 203,548 553 166,457 794 269
Unseasonalized (2)Bills 4,421 615 203 548 553 175,716 803,528
* List the rate schedule numbers for all schedules currently providing service under each voltage category.
Some rate schedules may provide service at more than one voltage.
All utilities need to provide a separate list of rate schedules by number with a description of the type of service provided
under each schedule.
(1) Does not include Special Contract customer data.
(2) Actual number of bills adjusted to remove the effect of seasonal usage by irrigation customers; unseasonalized number
of bills is used to determine the monthlv oer unit cost of transmission, distribution facilities and metering.
U:\2003 FV Unbundle\ldaho Power 1/3/2005 KDH
IDAHO POWER COMPANY
STATE OF IDAHO
SUMMARY OF UNBUNDLED COSTS
12 MONTHS ENDED DECEMBER 31 , 2003
(CENTS/KWH)
ROR = 7.852%
Voltage Categories
Function Small Secondary Primary Transmission Irrigation
Power Supply 40.26%49.11%70.82%72.31 %34.07%
Transmission Facilities 0.44 69%7.44%58%0.47 18.48%0.46 59%
Distribution Facilities 38.30%37.99%17.35%90%54.86%
Metering Facilities 99%10%96%89%27%
Meter Reading 01%0.26%25%34%25%
Billing 97%0.44%04%07%38%
Uncollectibles 03%35%00%00%32%
Other Customer Services 75%31%01%01%26%
Total 100.00%100.00%100.00%100.00%100.00%
U:\2003 FY Unbundle\ldaho Power 1/3/2005 KDH
IDAHO POWER COMPANY
STATE OF IDAHO
UNBUNDLED BILLING COMPONENT COSTS BY CUSTOMER GROUP
12 MONTHS ENDED DECEMBER 31 , 2003
ROR 852%
Voltage Categories
Function Units Small Secondary Primary Transmission Irrigation
Power Supply if,/kWh
Transmission Facilities $/kW /Month
Distribution Facilities $/kW/Month 19.41
Transmission Facilities $/CustlMonth 4.46
Distribution Facilities $/CustlMonth 25.
Metering Facilities $/CustlMonth 25.247.299.22.
Meter Reading $/CustlMonth 322.370.
Billing $/CustlMonth 9.42 10.2.46
Uncollectibles $/CustlMonth
Other Customer Services $/CustlMonth
* The Irrigation category contains all irrigation customers regardless of delivery voltage level.
Rolled-Up Costs
Energy if,IkWh
Demand $/kW/Month 2.40 21.
Customer $/CustlMonth 39.33.581.683.30.
Average Monthly Cost $/CustlMonth 66.611.46 25,827.15,851.645.
U:\2003 FY Unbundle\ldaho Power 1/3/2005 KDH
IDAHO POWER COMPANY
Schedule No.Title of Schedule
Residential Service
Small General Service
Large General Service
Dusk to Dawn Customer Lighting
Large Power Service
Irrigation Service
Irrigation Service - Time of Use
nmetered General Service
Municipal Street Lighting Service
Traffic Control Signal Lighting Service
u:khessin:2003 ty unbundled/Idaho power schedules
PACIFICORP - UTAH POWER DIVISION
UNBUNDLED COSTS
STATE OF IDAHO
APRIL 2003 - MARCH 2004 TEST YEAR
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