HomeMy WebLinkAbout2024Avista ID State Natural Gas Annual Report.pdf IDAHO STATE NATURAL GAS ANNUAL REPORT
Name of Respondent)Avista Corporation
This report is(original, resubmission) Original
Date of reportj4/18/2025
Year/period of report12024/Q4�
Name of Respondent This Report is: Date of Report Year/Period of Report
Avista Corporation Q An Original mm/dd/yyyy End of 2024/Q4
El A Resubmission 4/18/2025
STATEMENT OF UTILITY OPERATING INCOME-IDAHO
Instructions
1. For each account below,report the amount attributable to the state of Idaho based on Idaho jurisdictional Results of Operations.
2. Provide any necessary important notes regarding this statement of utility operating income in a footnote in the available space at the bottom of this
Line Refer to TOTAL SYSTEM-IDAHO
No. Account Form 2 Current Year Prior Year
Page
(a) (b) (c) (d)
1 UTILITY OPERATING INCOME
2 10peratinq Revenues 400) 300-301 561,477,729 512,985,949
3 10perating Expenses
4 [Operation Expenses(401) 317-325 359,738.975 336,497,110
5 Maintenance Expenses 402 317-325 28,845,440 26.436,728
6 Depreciation Expense 403 336-338 57.781.412 59,081,789
7 Depreciation Expense for Asset Retirement Costs 403.1 336-338 -
8 Amortization&Depletion of Utility Plant 404.405 336-338 18,394.351 16.655,751
9 Amortization of Utility Plant Acquisition Adjustment 406 336-338 - -
10 Amort.of Property Losses.Unrecov Plant and Regulatory Study Costs 407)
11 Amortization of Conversion Expenses(407)
12 Regulatory Debits 407.3 7,473.269 4.166.247
13 Less Re ul tory Credits 407.4 19,188,217) (15.806.967
14 Taxes Other Than Income Taxes(408.1) 262-263 15,451,321 17,147,479
15 Income Taxes-Federal 409.1) 262-263 12,031,975 303.077
16 -Other 409.1 262-263
17 Provision for Deferred Income Taxes 410.1 234-235 7,703,439 9,010,501)
18 Less Provision for Deferred Income Taxes-Cr. 411.1 234-235
19 Investment Tax Credit Adjustment-Net(411.4) (249.173) 172,197
20 Less Gains from Disposition of Utility Plant 411.6
21 Losses from Disposition Of Utility Plant 411.7
22 (Less)Gains from Disposition of Allowances 411.8)
23 Losses from Disposition of Allowances 411.9
24 Accretion Expense(411.10) - -
25 TOTAL Utility Operating Expenses Total of line 4 through 24 472.575.921 434,692,362
26 Net Utility Operating Income Total line 2 less 25 88,901.808 1 78,293,587
IDAHO STATE NATURAL GAS ANNUAL REPORT(IC 61-405) G ID.114-115
Name of Respondent This Report is: Date of Report Year/Period of Report
Avista Corporation XX ] An Original mm/dd/yyyy End of 2024/Q4
a A Resubmission 4/18/2025
STATEMENT OF UTILITY OPERATING INCOME-IDAHO
Instructions
page or in a separate schedule.
3. Explain in a footnote if the previous year's figures are different from those reported in prior reports.
ELECTRIC UTILITY G.AS UTILITY OTHER UTILITY Line
Current Year Prior Year Current Year Prior Year Current Year Prior Year No.
(e) (fl th) (i) U)
1
439,522,361 391.413,522 121.955,368 121,572,427 2
3
268.230,081 243.415,359 91,508.894 93,081,751 4
25,620.893 23.316,905 3,224,547 3,119.823 5
49,047,297 49.909,930 8,734,122 9,171,859 6
7
15,139.844 13.551,081 3,254,507 3,104.670 8
9
10
11
6,890,908 3,902.138 582,361 264,109 12
16.588,338 12,808.982 2,599.879) 2,997,985 13
12,625,016 13,765.709 2,826,305 3,381,770 14
6.673.662 594.238) 5.358,313 291161 15
16
(2,363,741) (8,745,603) 5,339,698 264,898 17
18
(249.173 172,197 19
20
21
_ 22
23
24
365,026,449 325,540.102 107.549,472 109,152.260 25
74,495,912 65,873,420 14,405.896 12,420,167 26
IDAHO STATE NATURAL GAS ANNUAL REPORT(IC 61-405) G.ID.114-115
Name of Respondent This Report is: Date of Report Year/Period of Report
Avista Corporation An Original mm/dd/yyyy End of 2024/Q4
A Resubmission 4/18/2025
SUMMARY OF UTILITY PLANT AND ACCUMULATED PROVISIONS FOR DEPRECIATION,AMORTIZATION AND DEPLETION-IDAHO
Instructions
1. Report below the original cost of utility plant in service necessary to furnish utility service to customers in the state of Idaho,and the
accumulated provisions for depreciation,amortization,and depletion attributable to that plant in service.
2. Report in column(c)the amount for electric function,in column(d)the amount for gas function,in columns(e),(0,and(g)report other(specify),
Line Total Company
No. Account End of Current Year Electric
(a) (b) (c)
1 Utility Plant
2 In Service
3 Plant in Service Classified 2,472,922,103 1,893,141.429
4 Property Under Capital Leases 20.148.242
5 Plant Purchased or Sold
6 Completed Construction not Classified
7 Experimental Plant Unclassified
8 Total(Total lines 3 through 7 2,493,070,345 1,893,141.429
9 Leased to Others
10 Held for Future Use 5,698,150 5.698,150
11 Construction Work in Progress 67,950.680 59,883,932
12 Acquisition Adjustments
13 Total Utility Plant(Total lines 8 through 12 2,566,719,175 1,958,723,511
14 Accumulated Provision for Depreciation,Amortization,and Depletion 955,219.712 734,327,041
15 Net Utilitv Plant Line 13 less line 14 1,611,499.463 1.224.396.470
16 Detail of Accumulated Provision for Depreciation,Amortization,and Depletion
17 In Service
18 Depreciation 885 110,311 719.864,360
19 Amortization and Depletion of Producing Natural Gas Lands/Land Rights
20 Amortization of Underground Storage Lands/Land Rights
21 Amortization of Other Utility Plant 70,109.401 14,462.681
22 Total(Total lines 18 through 21 955,219,712 734,327,041
23 Leased to Others
24 Depreciation
25 Amortization and Depletion
26 Total Leased to Others
27 Held for Future Use
28 Depreciation
29 Amortization
30 Total Held for Future Use _
31 Abandonment of Leases Natural Gas
32 Amortization of Plant Acquisition Adjustment
33 Total Accumulated Provision Total lines 22,26,30,31 32 955.219.712 1 734.327.041
(1)Common Property Under Capital Leases are comprised of ROU Assets
IDAHO STATE NATURAL GAS ANNUAL REPORT(IC 61-405) G.ID.200-201
I
Name of Respondent This Report is: Date of Report Year/Period of Report
Avista Corporation XO An Original mm/dd/yyyy End of 2024/Q4
1 0 A Resubmission 4/18/2025
SUMMARY OF UTILITY PLANT AND ACCUMULATED PROVISIONS FOR DEPRECIATION,AMORTIZATION AND DEPLETION-IDAHO
Instructions
and in column(h)common function.
3. In order to accurately reflect utility plant in service necessary to furnish utility service to customers in the state of Idaho,electric and gas
plant not directly assigned is allocated to the state of Idaho as appropriate and included in column(c)and(d).
Line
Gas Other(Specify) Other(Specify) Other(Specify) Common No.
(d) (e) (f) (g) (h)
1
2
358.443.942 221.336,732 3
_ 20,148,242 4
5
6
7
358,443,942 241,484,974 8
9
10
3,024,863 5.041,885 11
12
361.468,805 246,526,859 13
126,404.457 94,488,214 14
235,064.348 152,038,645 15
16
17
126,069,552 39,176,399 18
19
20
334,905 55,311.815 21
126,404,457 94,488.214 22
23
24
25
26
27
28
29
30
31
32
126,404,457 94,488,214 33
IDAHO STATE NATURAL GAS ANNUAL REPORT(IC 61-405) G.ID 200-201
Name of Respondent This Report is: Date of Report Year/Period of Report
Avista Corporation 0 An Original mm/dd/yyyy End of 2024/Q4
❑ A Resubmission 4/18/2025
GAS PLANT IN SERVICE-IDAHO(Account 101,102,103 and 106)
Instructions
1. Report below the original cost of gas plant in service necessary to furnish natural gas utility service to customers in the state of Idaho.
Include gas plant not directly assigned as allocated to the state of Idaho.
2. In addition to Account 101,Gas Plant in Service(Classified),this page and the next include Account 102,Gas Plant Purchased or Sold;Account
103,Experimental Gas Plant Unclassified;and Account 106,Completed Construction Not Classified-Gas.
3. Include in column(c)or(d),as appropriate,corrections of additions and retirements for the current or preceding year.
4. For revisions to the amount of initial asset retirement costs capitalized,include by primary plant account increases in column(c),additions,and
reductions in column(e),adjustments.
5. Enclose in parentheses credit adjustments of plant accounts to indicate the negative effect of such amounts.
6. Classify Account 106 according to prescribed accounts,on an estimated basis if necessary,and include the entries in column(c). Also to be included
in column(c)are entries for reversals of tentative distributions of prior year in column(b). Likewise,if the respondent has a significant amount of plant
retirements which have not been classified to primary accounts at the end of the year,include in column(d)a tentative distribution of such retirements,
on an estimated basis,with appropriate contra entry to the account for accumulated depreciation provision. Include also in column(d)distributions of
Line Balance
No. Account Beginning of Year Additions
(a) (b) (c)
1 INTANGIBLE PLANT
2 301 Organization
3 302 Franchises and Consents
4 303 Miscellaneous Intangible Plant 1.086,593 3.270
5 TOTAL Intangible Plant Total of lines 2,3,and 4) 1.086.593 3.270
6 PRODUCTION PLANT
7 Natural Gas Production and Gathering Plant
8 325.1 Producing Lands
9 325.2 Producing Leaseholds
10 1 325.3 Gas Rights
11 1 325.4 Ri hts-of-Wa
12 325.5 Other Land and Land Rights
13 326 Gas Well Structures
14 327 Field Compressor Station Structures
15 328 Field Measuring and Regulating Station Equipment
16 329 Other Structures
17 330 Producing Gas Wells-Well Construction
18 1 331 Producing Gas Wells-Well Equipment
19 332 Field Lines
20 333 Field Compressor Station Equipment
21 334 Field Measuring and Regulating Station Equipment
22 335 Drilling and Cleaning Equipment
23 336 Purification Equipment
24 337 Other Equipment
25 338 Unsuccessful Exploration and Development Costs
26 339 Asset Retirement Costs for Natural Gas Production and Gathering Plant
27 TOTAL Natural Gas Production and Gathering Plant Total of lines 8 through 26
28 Products Extraction Plant
29 340 Land and Land Rights
30 1 341 Structures and Improvements
31 342 Extraction and Refining Equipment
32 343 Pipe Lines
33 344 Extracted Products Storage Equipment
IDAHO STATE NATURAL GAS ANNUAL REPORT(IC 61-405) G.ID.204-205
Name of Respondent This Report is: Date of Report Year/Period of Report
Avista Corporation XO An Original mm/dd/yyyy End of 2024/Q4
F7 A Resubmission 4/18/2025
GAS PLANT IN SERVICE-IDAHO(Account 101,102,103 and 106)
Instructions
these tentative classifications in columns(c)and(d),including the reversals of the prior year's tentative account distributions of these amounts. Careful
observance of these instructions and the texts of Accounts 101 and 106 will avoid serious omissions of the reported amount of respondent's plant
actually in service at end of year.
7. Show in column(f)reclassifications or transfers within utility plant accounts. Include also in column(f)the additions or reductions of primary account
classifications arising from distribution of amounts initially recorded in Account 102;include in column(e)the amounts with respect to accumulated
provision for depreciation,acquisition adjustments,etc.,and show in column(f)only the offset to the debits or credits distributed in column(f)to primary
account classifications.
8. For Account 399,state the nature and use of plant included in this account,and,if substantial in amount,submit a supplementary statement showing
subaccount classification of such plant conforming to the requirement of these pages.
9. For each account comprising the reported balance and changes in Account 102,state the property purchased or sold,name of vendor or purchase,and
date of transaction. If proposed journal entries have been filed as required by the Uniform System of Accounts,give also the date of such filing.
Balance Line
Retirements Adjustments Transfers End of Year No.
(d) (e) (f) (9)
1
2
3
3,372 3,641 1.090.132 4
3.372 3.641 1,090,132 5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
IDAHO STATE NATURAL GAS ANNUAL REPORT(IC 61-405) G.ID 204-205
Name of Respondent This Report is: Date of Report Year/Period of Report
Avista Corporation X❑ An Original mm/dd/yyyy End of 2024/Q4
A Resubmission 4/18/2025
GAS PLANT IN SERVICE-IDAHO(Account 101,102,103 and 106)(Continued)
Line
Balance
No. Account Beginning of Year Additions
(a) (b) (C)
34 3,45 Compressor Equipment
35 346 Gas Measuring and Requlating Equipment
36 347 Other Equipment
37 348 Asset Retirement Costs for Products Extraction Plant
38 TOTAL Products Extraction Plant otal of lines 29 through 37
39 TOTAL Natural Gas Production Plant Total lines 27 and 38
40 Manufactured Gas Production Plant Submit Supplementary Schedule
41 TOTAL Production Plant Total lines 39 and 40
42 NATURAL GAS STORAGE AND PROCESSING PLANT
43 ILInderwound Storage Plant
44 350 1 Land 378.016
45 350.2 Rights-of-Way 21.117
46 351 Structures and Improvements 1.025,004
47 352 Wells 7.615,524
48 352.1 Storage Leaseholds and Rights _
49 352.2 Reservoirs
50 352.3 Non-recoverable Natural Gas
51 353 Lines 657.989
52 354 Compressor Station Equipment 5.025,047
53 355 Other Equipment 745.156
54 356 Purification Equipment 174,228
55 357 Other Equipment 1.069.187
56 1 353 Asset Retirement Costs for Underground Storage Plant
57 ITOTAL Underground Storage Plant 16.711,268
58 10ther Storage Plant
59 1 360 Land and Land Rights _
60 361 Structures and Improvements
61 362 Gas Holders
62 363 Purification Equipment
63 363.1 Liquefaction Equipment
64 363.2 Vaporizing Equipment
65 363.3 Compressor Equipment
66 1 363.4 Measuring and Regulating Equipment
67 363.5 Other Equipment
68 363.6 Asset Retirement Costs for Other Storage Plant
69 ITOTAL Other Storage Plant(Total of lines 58 through 68'
70 Base Load Liquefied Natural Gas Terminating and Processing Plant
71 364.1 Land and Land Rights
72 364.2 Structures and Improvements
73 364.3 LNG Processing Terminal Equipment
74 364.4 LNG Transportation Equipment
75 364.5 Measuring and Regulating Equipment
76 3646 Compressor Station E ui ment
77 364.7 Communications Equipment
78 364.8 Other Equipment
79 364.9 Asset Retirement Costs for Base Load Liquefied Natural Gas
TOTAL Base Load Liquefied Natural Gas Terminating and Processing Plant(Total lines 71
80 through 79)
IDAHO STATE NATURAL GAS ANNUAL REPORT(IC 61-405) G.ID 206-207
Name of Respondent This Report is: Date of Report Year/Period of Report
Avista Corporation XD An Original mm/dd/yyyy End of 2024/Q4
0 A Resubmission 4/18/2025
GAS PLANT IN SERVICE-IDAHO(Account 101,102,103 and 106)(Continued)
Balance Line
Retirements Adjustments Transfers End of Year No.
(d) (e) (f) (9)
34
- 35
36
37
38
39
40
- 41
42
43
76.366 454,382 44
932 22,049 45
191,063 1,216,067 46
481,825 8,097,349 47
48
49
50
29,029 687.018 51
367.540 5,392,587 52
178,721 923.877 53
7,686 181,914 54
193,019 1,262,206 55
_ - 56
1,526,181 18.237,449 57
58
- 59
60
61
62
63
64
65
66
67
68
70
71
72
73
74
75
76
77
78
79
80
IDAHO STATE NATURAL GAS ANNUAL REPORT(IC 61-405) G ID 206-207
Name of Respondent This Report is: Date of Report Year/Period of Report
Avista Corporation a An Original mm/dd(yyyy End of 2024/Q4
A Resubmission 4/18/2025
GAS PLANT IN SERVICE-IDAHO Account 101,102,103 and 106)(Continued)
Line Balance
No. Account Beginning of Year Additions
(a) (b) (c)
81 TOTAL Natural Gas Storage and Processing Plant(Total of lines 57.69 and 80) 16,711,268
82 TRANSMISSION PLANT
83 365.1 Land and Land Rights
84 365.2 Ri hts-of-Wa
85 366 Structures and Improvements
86 367 Mains
87 368 Compressor Station Equipment
88 369 Measuring and Regulating Station Equipment
89 370 Communication Equipment
90 371 Other Equipment
91 372 Asset Retirement Costs for Transmission Plant
92 TOTAL Transmission Plant(Total lines 83 through 91
93 DISTRIBUTION PLANT
94 374 Land and Land Rights 211,040 5,299
95 375 Structures and Improvements 680,898 24,173
96 376 Mains 159.134.681 5,221,428
97 377 Compressor Station Equipment
98 378 Measuring and Regulating Station Equipment-General 2.810.564 171,852
99 379 Measuring and Regulating Station Equipment-City Gate 5,041.866 169,550
100 380 Services 112.827.540 7,320.131
101 381 Meters 36,646.921 434,300
102 382 Meter Installations
103 383 House Regulators
104 384 House Regulator Installations
105 385 Industrial Measuring and Regulating Station Equipment 1,064.439 63,275
106 386 Other PropertV on Customers'Premises
107 387 Other Equipment
108 388 Asset Retirement Costs for Distribution Plant
109 TOTAL Distribution Plant(Total lines 94 through 108 318,417,949 13,410,008
110 GENERALPLANT
111 389 Land and Land Rights
112 390 Structures and Improvements
113 391 Office Furniture and Equipment 35,656
114 392 Transportation Equipment 4,257,963 168.652
115 393 Stores Equipment
1161 394 Tools,Shop,and Garage Equipment 1,941 901 63,767
1171 395 Laboratory Equipment 77.304
1181 396 Power Operated Equipment 1.069,832 142,368
119 397 Communication Equipment 340,409
120 398 Miscellaneous Equipment 186
121 Subtotal(Total of Lines 111 through 120) 7,723.251 374.787
122 399 Other Tangible Property
123 399.1 Asset Retirement Costs for General Plant
124 TOTAL General Plant Total of lines 121. 122 and 123 7,723,251 374.787
125 1 TOTAL Accounts 101 and 106) 343.939.061 13,788.065
126 lGas Plant Purchased See Instruction 8
127 Less Gas Plant Sold See Instruction 8
128 Experimental Gas Plant Unclassified
129 TOTAL Gas Plant in Service(Total of lines 125 through 128 343.939.061 13,788,065
IDAHO STATE NATURAL GAS ANNUAL REPORT(IC 61-405) G.ID 208-209
Name of Respondent This Report is: Date of Report Year/Period of Report
Avista Corporation X An Original mm/dd/yyyy End of 2024/Q4
F7 A Resubmission 4/18/2025
GAS PLANT IN SERVICE-IDAHO(Account 101,102,103 and 106)((Continued)
Balance Line
Retirements Adjustments Transfers End of Year No.
1,526.181 18,237,449 81
82
83
84
85
86
87
88
89
90
91
92
93
216,339 94
6.065 1 699,007 95
122,015 18.009 164.252.103 96
97
24.650 - 2.957,766 98
21.094 5,190,322 99
45,807 1 120.101.865 100
485,048 36,596 173 101
102
103
104
6,603 1,121,111 105
106
107
108
711,282 18,011 331.134.686 109
110
111
112
5,830 (14,100) 15,726 113
11.492 33.661 4,381,462 114
115
13,573 5,587 1.997,682 116
1,037 78,341 117
48,799 3,815 1.167.216 118
651 341,060 119
2 188 120
79.694 36,669 7,981,675 121
122
123
79,694 (36,669) 7.981,675 124
794,348 1.511.164 358,443 942 125
126
127
128
794,348 1,511,164 358.443.942 1 129
IDAHO STATE NATURAL GAS ANNUAL REPORT(IC 61-405) G.ID.208-209
Name of Respondent This Report is: Date of Report Year/Period of Report
Avista Corporation X❑ An Original mm/dd/yyyy End of 2024/Q4
A Resubmission 4/18/2025
GAS STORED-IDAHO(Accounts 117.1,117.2,117.3,164.1,164.2,and 164.3)
Instructions
1. If during the year adjustments were made to the stored gas inventory reported in columns(d),(0,(g),and(h)(such as to correct cumulative
inaccuracies of gas measurements),explain in a footnote(in the available space at the bottom of this page or in a separate schedule)the reason for
the adjustments,the Dth and dollar amount of adjustment,and account charged or credited.
2. Report in column(e)all encroachments during the year upon the volumes designated as base gas,column(b),and system balancing gas,column(c),
and gas property recordable in the plant accounts.
3. State in a footnote,in the available space at the bottom of this page or in a separate schedule,the basis of segregation of inventory between current
and noncurrent portions. Also,state in a footnote the method used to report storage(i.e.,fixed asset method or inventory method).
Line Description (Account (Account Noncurrent (Account Current LNG LNG Total
No. 117.1) 117.2) (Account 117.4 (Account (Account (Account
117.3) 164.1) 164.2) 164.3)
(a) (b) (c) (d) (e) (f) (g) (h) (i)
1 Balance at beginning of year 1 831,648 6.017.032 7,848 680
2 Gas delivered to storage - 2.434.064 2.434.064
3 Gas withdrawn from storage 4.177.817 4,177,817
4 1 Other debits and credits
5 Balance at end of year 1,831.648 4.273.279 6,104,927
6 Dth 328,252 3-304,760 3.633.012
7 Amount Der Dth 5.58 1.29 1.68
(1) Fuel is accounted for within injections and withdrawal accounts.
(2) All gas reported is current working gas. Avista uses the inventory method to report all working gas stored.
IDAHO STATE NATURAL GAS ANNUAL REPORT(IC 61-405) G ID.220
Name of Respondent This Report is: Date of Report Year/Period of Report
Avista Corporation X❑ An Original mm/dd/yyyy End of 2024/Q4
❑ A Resubmission 4/18/2025
GAS OPERATING REVENUES-IDAHO
Instructions
1. Report below natural gas operating revenues attributable to the state of Idaho for each prescribed account total in accordance with jurisdictional
Results of Operations.
2. Revenues in columns(b)and(c)include transition costs from upstream pipelines.
3. Other Revenues in columns(f)and(g)include reservation charges received by the pipeline plus usage charges,less revenues reflected in columns
(b)through(e). Include in columns(f)and(g)revenues for Accounts 480-495
Revenues for Revenues for
Line Transition Costs GRI and ACA
No. Account and Take-or-Pa
Current Year Previous Year Current Year Previous Year
(a) (b) (c) (d) (e)
1 480 Residential Sales
2 481 Commercial and Industrial Sales
3 482 Other Sales to Public Authorities
4 483 Sales for Resale (1
5 484 Interdepartmental Sales
6 •485 Intracompany Transfers
7 487 Forfeited Discounts
8 488 Miscellaneous Service Revenues
9 1,489.1 Revenues from Transportation of Gas for Others
throw h Gathering Facilities
10 489.2 Revenues from Transportation of Gas for Others
through Transmission Facilities
11 489.3 Revenues from Transportation of Gas for Others
through Distribution Facilities
12 1489.4 Revenues from Storing Gas of Others
13 490 Sales of Products Extracted from Natural Gas
14 491 Revenues from Natural Gas Processed by Others
15 492 Incidental Gasoline and Oil Sales
16 493 Rent from Gas Property
17 494 Interdepartmental Rents
18 495 Other Gas Revenues (1)
19 Subtotal
20 496 (Less)Provision for Rate Refunds
21 TOTAL
J
IDAHO STATE NATURAL GAS ANNUAL REPORT(IC 61-405) G.ID.300-301
Name of Respondent This Report is: Date of Report Year/Period of Report
Avista Corporation X7 An Original mm/dd/yyyy End o 2024/Q4
F-IU A Resubmission 4/18/2025
GAS OPERATING REVENUES-IDAHO
Instructions
4. If increases or decreases from previous year are not derived from previously reported figures,explain any inconsistencies in a footnote in the
available space at the bottom of this page or attached in a separate schedule.
5. See pages 108 in the FERC Form 2,Important Changes During the Quarter/Year,for information on major changes during the year,new service,
and important rate increases or decreases.
6. Report the revenue from transportation services that are bundled with storage services as transportation service revenue.
Other Total Dekatherm of
Revenues Operating Natural Gas Line
Revenues No.
Current Year Previous Year Current Year Previous Year Current Year Previous Year
(f) (g) (h) (i) Q) (k)
69.212.761 72.147.956 69.212,761 72.147.956 5.824.382 5,830.500 1
33.599.182 35.204.699 33.599.182 35.204,699 3,624.908 3,510.534 2
3
14.709.288 13.465.971 14,709,288 13.465.971 6,391.350 6,588.650 4
40,464 44.444 40.464 44.444 4.282 4.537 5
6
7
7,090 5.954 7.090 5,954 8
9
10
666,809 677,076 666,809 677,076 6,792,522 5,680,275 11
- 12
13
14
- 15
50 50 16
17
3,719,723 26,328 3.719,723 26.328 18
121.955.368 121.572.427 121.955,368 121.572.427 19
20
121,955,368 121,572,427 121.955,368 121,572.427 21
(1) Sales for Resale and Deferred Exchange dollars are allocated based on the Washington/Idaho monthly commodity allocations used in
Results of Operations.
IDAHO STATE NATURAL GAS ANNUAL REPORT(IC 61-405) G.ID.300-301
Name of Respondent This Report is: Date of Report Year/Period of Report
Avista Corporation X❑ An Original mm/dd/yyyy End of 2024/Q4
A Resubmission 4/18/2025
GAS OPERATION AND MAINTENANCE EXPENSES-IDAHO
Instructions
1. For each prescribed account below,report operation and maintenance expenses as allocated by the Results of Operations model to the state of
Idaho.
2. If the amount for previous year is not derived from previously reported figures,explain in a footnote.
Line Amount for Amount for
No. Account Current Year Previous Year
(a) (b) (c)
1 1. PRODUCTION EXPENSES
2 A_ Manufactured Gas Production
3 Manufactured Gas Production Submit Supplemental Statement)
4 B. Natural Gas Production
5 B1. Natural Gas Production and Gathering
6 O eration
7 750 Operation Supervision and Engineering
8 751 Production Maps and Records
9 752 Gas Well Exoenses
10 753 Field Lines Expenses
11 754 Field Compressor Station Expenses
12 755 Field Compressor Station Fuel and Power
13 756 Field Measuring and Regulating Station Expenses
14 757 Purification Expenses
15 758 Gas Well Royalties
16 759 Other Expenses
17 760 Rents
18 TOTAL Operation(Total of lines 7 through 17
19 Maintenance
20 761 Maintenance Supervision and Engineering
21 762 Maintenance of Structures and Improvements
22 763 Maintenance of Producing Gas Wells
23 764 Maintenance of Field Lines
24 765 Maintenance of Field Compressor Station Equipment
25 766 Maintenance of Field Measuring and Regulating Station Equipment
26 767 Maintenance of Purification Equipment
27 768 Maintenance of Drilling and Cleaning Equipment
28 769 Maintenance of Other Equipment
29 TOTAL Maintenance(Total of lines 20 through 28
30 TOTAL Natural Gas Production and Gathering Total of lines 18 and 29
IDAHO STATE NATURAL GAS ANNUAL REPORT(IC 61-405) G.I13.317
Name of Respondent This Report is: E4/18/2025
of Report Year/Period of Report
Avista Corporation X� An Original d/yyyy End of 2024/Q4
A Resubmission
GAS OPERATION AND MAINTENANCE EXPENSES-IDAHO
Instructions
1. For each prescribed account below,report operation and maintenance expenses as allocated by the Results of Operations model to the state of
Idaho.
2. If the amount for previous year is not derived from previously reported figures,explain in a footnote.
Line Amount for Amount for
No. Account Current Year Previous Year
31 1 B2. Products Extraction
32 10peration
33 1 770 Operation Supervision and Engineering
34 771 Operation Labor
35 772 Gas Shrinkage
36 773 Fuel
37 774 Power
38 775 Materials
39 776 Operation Supplies and Expenses
40 777 Gas Processed by Others
41 778 Royalties on Products Extracted
42 1 779 Marketing Expenses
43 780 Products Purchased for Resale
44 781 Variation in Products Inventory
45 782 (Less)Extracted Products Used by the Utility-Credit
46 783 Rents
47 TOTAL Operation(Total of line 33 through 46
48 Maintenance
49 784 Maintenance Su ervision and Engineering
50 1 785 Maintenance of Structures and Improvements
51 786 Maintenance of Extraction and Refining Equipment
52 787 Maintenance of Pipe Lines
53 788 Maintenance of Extracted Products Storage Equipment
54 789 Maintenance of Compressor Equipment
55 790 Maintenance of Gas Measuring and Regulating Equipment
56 791 Maintenance of Other Equipment
57 TOTAL Maintenance(Total of lines 49 through 56
58 TOTAL Products Extraction(Total of lines 47 and 57
IDAHO STATE NATURAL GAS ANNUAL REPORT(IC 61-406) G.ID.318
Name of Respondent This Report is: Date of Report Year/Period of Report
Avista Corporation X� An Original mm/dd/yyyy End of 2024/Q4
Fj A Resubmission 4/18/2025
GAS OPERATION AND MAINTENANCE EXPENSES-IDAHO
Instructions
1. For each prescribed account below,report operation and maintenance expenses as allocated by the Results of Operations model to the state of
Idaho.
2. If the amount for previous year is not derived from previously reported figures,explain in a footnote,
Line Amount for Amount for
No. Account Current Year Previous Year
al h) (c)
59 C. Exploration and Development
60 Operation
61 795 Delay Rentals
62 796 Nonproductive Well Drilling
63 797 Abandoned Leases
64 798 Other Exploration
65 ITOTAL Exploration and Development Total of lines 61 through 64
66 ID. Other Gas Supply Expenses
67 ]Operation
68 800 Natural Gas Well Head Purchases
69 800-1 Natural Gas Well Head Purchases, Intracompany Transfers
70 801 Natural Gas Field Line Purchases
71 802 Natural Gas Gasoline Plant Outlet Purchases
72 803 Natural Gas Transmission Line Purchases
73 804 Natural Gas City Gate Purchases 66,400.374 67.412.389
74 804.1 Liquefied Natural Gas Purchases
75 805 Other Gas Purchases
76 805.1 (Less)Purchased Gas Cost Adjustments
77 TOTAL Other Gas Supply Expenses Total of lines 68 through 76 66,400.374 67.412,389
78 806 Exchange Gas "
79 Purchased Gas Expenses
80 807 1 Well Expense-Purchased Gas
81 807.2 Operation of Purchased Gas Measuring Stations
82 807.3 Maintenance of Purchased Gas Measuring Stations
83 807.4 Purchased Gas Calculations Expenses
84 807.5 Other Purchased Gas Expenses
85 TOTAL Purchased Gas Expenses(Total of lines 80 through 84
IDAHO STATE NATURAL GAS ANNUAL REPORT(IC 61-405) G.ID.319
Name of Respondent This Report is: Date of Report Year/Period of Report
Avista Corporation 0 An Original mm/dd/yyyy End of 2024/Q4
A Resubmission 4/18/2025
GAS OPERATION AND MAINTENANCE EXPENSES-IDAHO
Instructions
1. For each prescribed account below,report operation and maintenance expenses as allocated by the Results of Operations model to the state of
Idaho.
2. If the amount for previous year is not derived from previously reported figures,explain in a footnote.
Line Amount for Amount for
No. Account Current Year Previous Year
(a) (b) (c}
86 808.1 Gas Withdrawn from Storage-Debit 1.747.348 2,925,957
87 808.2 Less Gas Delivered to Storage-Credit
88 809.1 Withdrawals of Li uefied Natural Gas for Process in -Debit
89 809.2 (Less)Deliveries of Natural Gas for Processing-Credit
90 Gas Used in Utility Operation-Credit
91 810 Gas Used for Compressor Station Fuel-Credit
92 811 Gas Used for Products Extraction-Credit 202.368 (132,156)
93 812 Gas Used for Other Utility Operations-Credit
94 TOTAL Gas Used in Utility Operations-Credit Total of lines 91 through 93 202.368 132,156
95 813 Other Gas Supply Expenses 399,683 370.371
96 TOTAL Other Gas Supply Expenses(Total of lines 77,78,85.86 through 89,94,95 68.345.037 70,576,561
97 TOTAL Production Expenses(Total of lines 3.30,58,65,and 96) 68,345,037 70.576,561
98 12. NATURAL GAS STORAGE,TERMINALING AND PROCESSING EXPENSES
99 1A. Under round Storage Expenses
100 Operation
101 814 Operation Supervision and En ineeni
102 815 Maps and Records
103 816 Wells Expenses
104 817 Lines Expense
105 818 Compressor Station Expenses
106 819 Compressor Station Fuel and Power
1071 820 Measuring and Regulating Station Expenses
1081 821 Purification Expenses
1091 822 Exploration and Development
1101 823 Gas Losses
111 824 Other Expenses 283.377 298.982
1121 825 Storage Well Royalties
1131 826 Rents
114 TOTAL Operation(Total of lines 101 through 113) 283.377 298.982
IDAHO STATE NATURAL GAS ANNUAL REPORT(IC 61-405) G.I13.320
Name of Respondent This Report is: Date of Report Year/Period of Report
Avista Corporation X� An Original mm/dd/yyyy End of 20241 Q4
❑ A Resubmission 4/18/2025
GAS OPERATION AND MAINTENANCE EXPENSES-IDAHO
Instructions
1. For each prescribed account below,report operation and maintenance expenses as allocated by the Results of Operations model to the state of
Idaho.
2. If the amount for previous year is not derived from previously reported figures,explain in a footnote.
Line Amount for Amount for
No. Account Current Year Previous Year
(a) (b) (c)
115 Maintenance
116 830 Maintenance Supervision and Enaineerin
117 831 Maintenance of Structures and Improvements
118 832 Maintenance of Reservoirs and Wells
119 833 Maintenance of Lines
120 834 Maintenance of Compressor Station Equipment
121 835 Maintenance of Measuring and Regulating Station Equipment
122 836 Maintenance of Purification Eau i ment -
123 837 Maintenance of Other Equipment 784.255 608.689
124 TOTAL Maintenance(Total of lines 116 through 123) 784,255 608,689
125 ITOTAL Underground Storage Expenses(Total of lines 114 and 124) 1.067,632 907.671
126 B. Other Storage Expenses
127 Operation
1281 840 Operation Supervision and Engineering -
1291 841 Operation Labor and Expenses
1301 842 Rents
131 842.1 Fuel
132 842.2 Power
133 842.3 Gas Losses
134 TOTAL Operation(Total of lines 128 through 133
135 Maintenance
136 843.1 Maintenance Su eFV&on and Engineering
137 8432 Maintenance of Structures
138 843.3 Maintenance of Gas Holders
139 843A Maintenance of Purification Equipment
140 843.5 Maintenance of Liquefaction Equipment
141 843.6 Maintenance of Vaporizing Equipment
142 843.7 Maintenance of Compressor Equipment
143 843.8 Maintenance of Measuring and Regulating Equipment
144 843.9 Maintenance of Other Equipment
145 TOTAL Maintenance(Total of lines 136 through 144
146 TOTAL Other Storage Expenses Total of lines 134 and 145
IDAHO STATE NATURAL GAS ANNUAL REPORT(IC 61405) G.ID.321
Name of Respondent This Report is: Date of Report Year/Period of Report
Avista Corporation Zj An Original mm/dd/yyyy End of 2024/Q4
❑ A Resubmission 4/18/2025
GAS OPERATION AND MAINTENANCE EXPENSES-IDAHO
Instructions
1. For each prescribed account below,report operation and maintenance expenses as allocated by the Results of Operations model to the state of
Idaho.
2. If the amount for previous year is not derived from previously reported figures,explain in a footnote.
Line Amount for Amount for
No. Account Current Year Previous Year
(a) (b) (c)
147 C Liquefied Natural Gas Teri-ninaling and Processing Expenses
148 Operation
149 844.1 Operation Supervision and Engineering
1501 844.2 LNG Processing Terminal Labor and Expenses
151 1 844.3 Liquefaction Processing Labor and Expenses
152 844.4 Liquefaction Transportation Labor and Expenses
153 844.5 Measuring and Regulating Labor and Expenses
154 844.6 Compressor Station Labor and Expenses
155 844.7 Communication System Expenses
156 844.8 System Control and Load Dispatching
157 845.1 Fuel
1581 845.2 Power
1591 845.3 Rents
160 845.4 Demurrage Charges
161 845.5 iLess Wharfage Receipts-Credit
162 845.6 Processing Liquefied or Vaporized Gas by Others
163 846.1 Gas Losses
164 846.2 Other Expenses
165 TOTAL Operation Total of lines 149 through 164
166 1 Maintenance
1671 847.1 Maintenance Supervision and Engineering
168 847.2 Maintenance of Structures and Improvements
169 847 3 Maintenance of LNG Processing Terminal Equipment
170 847.4 Maintenance of LNG Transportation Equipment
171 847.5 Maintenance of Measuring and Regulating Equipment
172 847.6 Maintenance of Compressor Station Equipment
173 847.7 Maintenance of Communication Equipment
174 847.8 Maintenance of Other Equipment
175 1 TOTAL Maintenance(Total of lines 167 through 174
176 ITOTAL Liquefied Nat Gas Terminalina and Proc Ex Total of lines 165 and 175
177 TOTAL Natural Gas Storage(Total of lines 125, 146,and 176) 1.067.632 907,671
IDAHO STATE NATURAL GAS ANNUAL REPORT(IC 61-405) G ID.322
Name of Respondent This Report is: Date of Report Year/Period of Report
Avista Corporation XQ An Original mm/dd(yyyy End of 2024/Q4
❑ A Resubmission 4/18/2025
GAS OPERATION AND MAINTENANCE EXPENSES-IDAHO
Instructions
1. For each prescribed account below,report operation and maintenance expenses as allocated by the Results of Operations model to the state of
Idaho.
2. If the amount for previous year is not derived from previously reported figures,explain in a footnote
Line Amount for Amount for
No. Account Current Year Previous Year
(a) (b) (c)
178 3. TRANSMISSION EXPENSES
179 Operation
180 850 Operation Supervision and Engineering
181 851 System Control and Load Dispatching
182 852 Communication Svstem Expenses
183 853 Compressor Station Labor and Expenses
184 854 Gas for Compressor Station Fuel
185 855 Other Fuel and Power for Compressor Stations
186 856 Mains Expenses
187 857 Measuring and Regulating Station Expenses
188 858 Transmission and Compression of Gas by Others
189 859 Other Expenses
190 860 Rents
191 TOTAL Operation(Total of lines 180 through 190
192 Maintenance
193 861 Maintenance Supervision and Engineering
194 862 Maintenance of Structures and Improvements
195 863 Maintenance of Mains
196 864 Maintenance of Compressor Station Equipment
197 865 Maintenance of Measuring and Regulating Station Equipment
198 866 Maintenance of Communication Equipment
199 867 Maintenance of Other Equipment
200 ITOTAL Maintenance Total of lines 193 through 199
201 TOTAL Transmission Total of lines 191 and 200 -
202 4. DISTRIBUTION EXPENSES
203 Operation
204 870 Operation Supervision and Engineering 772.344 669.471
205 871 Distribution Load Dispatching
206 872. Compressor Station Labor and Expenses
207 873 Compressor Station Fuel and Power
IDAHO STATE NATURAL GAS ANNUAL REPORT(IC 61-405) G.ID.323
Name of Respondent This Report is: Date of Report Year/Period of Report
Avista Corporation X� An Original mm/dd/yyyy End of 2024/Q4
A Resubmission 4/18/2025
GAS OPERATION AND MAINTENANCE EXPENSES-IDAHO
Instructions
1. For each prescribed account below,report operation and maintenance expenses as allocated by the Results of Operations model to the state of
Idaho.
2. If the amount for previous year is not derived from previously reported figures,explain in a footnote.
Line Amount for Amount for
No. Account Current Year Previous Year
(a) (b) (c)
208 874 Mains and Services Expenses 2.745.028 2.480.954
209 875 Measuring and Regulating Station Expenses-General 35.797 42,428
210 876 Measuring and Regulating Station Expenses-Industrial 1.573 13.428
2111 877 Measuring and Regulating Station Expenses-City Gas Check Station 53,786 22,136 I
2121 878 Meter and House Regulator Expenses 283.242 203.011
2131 879 Customer Installations Expenses 1,745.529 2.674,850
214 880 Other Expenses 1.267.533 1.095.006
215 881 Rents 497 (363
216 TOTAL Operation Total of lines 204 through 215) 6.904.335 7.200,921
217 Maintenance
218 885 Maintenance Supervision and Engineering 78.105 15,298
219 886 Maintenance of Structures and Improvements
220 887 Maintenance of Mains 208.492 210,329
221 888 Maintenance of Compressor Station Equipment
222 889 Maintenance of Measuring and Regulating Station Equipment-General 98.698 76,694
223 890 Maintenance of Measuring and Regulating Station Equipment-Industrial 20,818 3.888
224 891 Maintenance of Meas_and Rea.Station Equipment-City Gate Check Station 105.413 63,568
225 892 Maintenance of Services 232,444 375.923
226 893 Maintenance of Meters and House Regulators 556.177 618,203
227 894 Maintenance of Other Equipment 46.753 73.742
228 TOTAL Maintenance(Total of lines 218 through 227) 1.346.900 1.437,645
229 TOTAL Distribution Expenses Total of lines 216 and 228 8.251,235 8,638.566
230 5. CUSTOMER ACCOUNTS EXPENSES
231 Operation
232 901 Supervision 33.042 31.034
233 902 Meter Reading Expenses 134,393 139.257
2341 903 Customer Records and Collection Expenses 2.135.762 1.964.568
IDAHO STATE NATURAL GAS ANNUAL REPORT(IC 61-405) G.ID.324
i
i
Name of Respondent This Report is: Date of Report Year/Period of Report
Avista Corporation XD An Original mm/dd/yyyy End of 2024/Q4
/ A Resubmission 4/18/2025
GAS OPERATION AND MAINTENANCE EXPENSES-IDAHO
Instructions
1. For each prescribed account below,report operation and maintenance expenses as allocated by the Results of Operations model to the state of
Idaho.
2. If the amount for previous year is not derived from previously reported figures,explain in a footnote.
Line Amount for Amount for
No. Account Current Year Previous Year
(a) (b) (�l
235 904 Uncollectible Accounts 679,221 156.929
236 905 Miscellaneous Customer Accounts Expenses 42.781 63,645
237 1TOTAL Customer Accounts Expenses(Total of lines 232 through 236 3.025.199 2,355,433
238 6. CUSTOMER SERVICE AND INFORMATIONAL EXPENSES
239 Operation
240 907 Supervision -
241 908 Customer Assistance Expenses 4.088,342 4,070,586
242 909 Informational and Instructional Expenses 180,243 187,661
243 910 Miscellaneous Customer Service and Informational Expenses 14,456 52,496
244 TOTAL Customer Service and Informational Expenses(Total of lines 240 through 243 4.283.041 4,310,743
24517. SALES EXPENSES
246 1 Operation
2471 911 Supervision -
248 912 Demonstrating and Selling Expenses
249 913 Advertising Expenses -
250 916 Miscellaneous Sales Expenses 2
251 TOTAL Sales Expenses Total of lines 247 through 250 2
252 8. ADMINISTRATIVE AND GENERAL EXPENSES
253 Operation
254 920 Administrative and General Salaries 2,704,873 2.860,881
2551 921 Office Supplies and Expenses 330.322 348,224
2561 922 Less Administrative Expenses Transferred-Credit (4,944) (5,825
257 923 Outside Services Employed 1.349,906 1,226,837
258 924 Property Insurance 226,210 202,318
259 925 Injuries and Damages 784.290 577,414
260 926 Employee Pensions and Benefits 2.413,040 2,240,338
261 927 Franchise Requirements -
262 928 Re ulatory Commission Expenses 337,495 323,541
263 929 Less Duplicate Charges-Credit
264 930.1 General Advertising Expenses -
K
930.2 Miscellaneous General Expenses 481.242 518,654
931 Rents 45.471 46,731
TOTAL O eration Total of lines 254 throw h 266 8,667,905 8:339,113
Maintenance
932 Maintenance of General Plant 1,093,392 1,073,489
TOTAL Administrative and General Expenses(Total of lines 267 and 269 9.761,297 9,412,602
TOTAL Gas O&M Expenses(Total of lines 97,177,201,229,237,244,251,270) 94,733,441 96,201,574
IDAHO STATE NATURAL GAS ANNUAL REPORT(IC 61-405) G.ID,325
Name of Respondent This Report is: Date of Report Year/Period of Report
Avista Corporation XQ An Original mm/dd/yyyy End of 2024/04
❑ A Resubmission 4/18/2025
GAS TRANSMISSION MAINS-IDAHO
Instructions
1. Report below the requested details of transmission mains in system operated by respondent at end of year in the state of Idaho.
2. Report separately any lines held under a title other than full ownership. Designate such lines with an asterisk and in a footnote(in the available
space at the bottom of this page or attached in a separate schedule)state the name of owner or co-owner,nature of respondent's title,and
percent ownership ifjointly owned.
Taken Up Total Length
Line Kind of Diameter of Total Length in Use Laid During Year or Abandoned in Use
No. Material Pipe Beginning of Year in Feet During Year End of Year
in Inches in Feet in Feet in Feet
(a) (b) (c) (d) (e)
1 NONE
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
NOTE:
In accordance with the definitions established in the Uniform System of Accounts for production,transmission,and distribution plant,the Company's
gas mains are appropriately classified as distribution property for accounting purposes(see definitions 29(B)and(C)).
IDAHO STATE NATURAL GAS ANNUAL REPORT(IC 61-405) G ID 514
Name of Respondent This Report is: Date of Report Year/Period of Report
Avista Corporation XO An Original mm/dd/yyyy End of 2024/Q4
A Resubmission 4/18/2025
GAS DISTRIBUTION MAINS-IDAHO
Instructions
1. Report below the requested details of distribution mains in system operated by respondent at end of year in the state of Idaho.
2. Report separately any lines held under a title other than full ownership. Designate such lines with an asterisk and in a footnote(in the available
space at the bottom of this page or attached in a separate schedule)state the name of owner or co-owner,nature of respondent's title,and
percent ownership if jointly owned.
Taken Up Total Length
Line Kind of Diameter of Total Length in Use Laid During Year or Abandoned in Use
No. Material Pipe Beginning of Year in Feet During Year End of Year
in Inches in Feet in Feet in Feet
(a) (b) (c) W (e) (f)
1 Steel Wrapped Less than 2" 1.744,380 1.907 5.154 1.741.133
2 Steel Wrapped 2"to 4" 611.825 1.397 4.787 608.435
3 Steel Wrapped 4"to 8" 446,952 2.378 7 449,323
4 Steel Wrapped 8"to 12" 12,244 10 12,234
5 Steel Wrapped Over 12" 1 3 4
6
7
8 Plastic Less than 2" 6.622,530 148.272 18,638 6.752.164
9 Plastic 2"to 4" 1.557,864 19.102 5,702 1,571.264
10 Plastic 4"to 8" 679.288 17.641 7,160 689,769
11 Plastic 8"to 12" - -
12 Plastic Over 12"
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
IDAHO STATE NATURAL GAS ANNUAL REPORT(IC 61A05) G ID.514A
Name of Respondent This Report is: Date of Report Year/Period of Report
Avista Corporation X❑ An Original mm/dd/yyyy End of 2024/Q4
A Resubmission 4/18/2025
SERVICE PIPES-GAS-IDAHO
Instructions
1. Report below the requested details of line service pipe in possession of the respondent at the end of the year in the state of Idaho.
Line Type of Diameter of Number of Added Retired Number of Average
No. Material Pipe Service Pipes During Year During Year Service Pipes Length
in Inches Beginning of Year End of Year in Feet
(a) (b) (c) (c) (d) (e) (f)
1 Steel Wrapped 1"orLess 11,236 2 78 11,160 1
2 Steel Wrapped 1"to 2" 158 - 2 156 (1)
3 Steel Wrapped 2"to 4" 8 8 (1
4 Steel Wrapped 4"to 8" 1 1 2 1
5 Steel Wrapped Over 8" - - (1)
6 Steel Wrapped Unknown 192 3 189 (1)
7
8 Plastic 1"or Less 76,533 1.756 82 78,207 1
9 Plastic 1"to 2" 378 29 - 407 (1)
10 Plastic 2"to 4" 11 2 1 12 (1
11 Plastic 4"to 8" 4 4 1
12 Plastic Over 8" - 1)
13 Plastic Unknown 397 13 384 1)
14
15 Other Unknown (1
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
(1)Information not available.
IDAHO STATE NATURAL GAS ANNUAL REPORT(IC 61-405) G.ID.514B
Name of Respondent This Report is: Date of Report Year/Period of Report
Avista Corporation XQ An Original mm/dd/yyyy End of 2024/Q4
0 A Resubmission 4/18/2025
REGULATORS-GAS-IDAHO
Instructions
1. Report below the requested details of gas regulators in possession of the respondent at the end of the year in the state of Idaho.
Line Size Type Make Capacity In Service Added During Retired During In Plant
No Beginning of Year Year Year End of Year
(a) (b) (c) (d) (e) t) (al (h)
1
2 No Data available
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40 Total
IDAHO STATE NATURAL GAS ANNUAL REPORT(IC 61-405) G.ID.514C
Name of Respondent This Report is: Date of Report Year/Period of Report
Avista Corporation X❑ An Original mm/dd/yyyy End of 2024/Q4
❑ A Resubmission 4/18/2025
CUSTOMER METERS-GAS-IDAHO
Instructions
1. Report below the requested details of gas customer meters in possession of the respondent at the end of the year in the state of Idaho.
Line Size Type Make Capacity In Service Added During Retired During In Plant
No. Beginning of Year Year Year End of Year
(a) (b) (c) (d) (e) (f) ( ) (h)
1 All All All All 81,375 1.804 2.740 80,439
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
(1)The Company's systems do not supply meter information tracking by type of meter
IDAHO STATE NATURAL GAS ANNUAL REPORT(IC 61-405) G ID.514D
Name of Respondent This Report is: Date of Report Year/Period of Report
-) Avista Corporation X❑ An Original mm/dd/yyyy End of 2024/Q4
A Resubmission 4/18/2025
GAS ACCOUNT-NATURAL GAS-IDAHO
1
Instructions
1. The purpose of this schedule is to account for the quantity of natural gas received and delivered by the respondent for service in the state of Idaho.
2. Natural gas means either natural gas unmixed or any mixture of natural and manufactured gas.
3. Enter in column(c)the year-to-date Dth as reported in the schedules indicated for the items of receipts and deliveries.
4. Indicate in a footnote(in the available space at the bottom of this page or in a separate schedule)the quantities of bundled sales and transportation gas
and specify the line on which such quantities are listed.
5. If the respondent operates two or more systems which are not interconnected,submit separate pages for this purpose.
6. Indicate by footnote the quantities of gas not subject to FERC regulation which did not incur FERC regulatory costs by showing(1)the local distribution
volumes another jurisdictional pipeline delivered to the local distribution company portion of the reporting pipeline,(2)the quantities that the reporting
pipeline transported or sold through its local distribution facilities or intrastate facilities and which the reporting pipeline received through gathering
facilities or intrastate facilities,but not through any of the interstate portion of the pipeline,and(3)the gathering line quantities that were not destined for
interstate market or that were not transported through any interstate portion of the reporting pipeline.
7. Indicate in a footnote the specific gas purchase expense account(s)and related to which the aggregate volumes report on line 3 relate.
8. Indicate in a footnote(1)the system supply quantities of gas that are stored by the reporting pipeline during the reporting year and also reported as sales,
transportation and compression volumes by the reporting pipeline during the same reporting year,(2)the system supply quantities of gas that are stored
by the reporting pipeline during the reporting year which the reporting pipeline intends to sell or transport in a future reporting year,and(3)contract
storage quantities.
9. Also indicate the volumes of pipeline production field sales that are included in both the company's total sales figure and the company's total transportation
figure. Add additional information as necessary to the footnotes.
Line Refer to Amount of Dth Amount of Dth
No. Account Form 2 Year to Date Current 3 Months Ended
Page Quarterly Only
(a) (b) _ _ (c) (d)
1 Name of System
2 IGAS RECEIVED
3 Gas Purchases Accounts 800-805 16,531,754
4 Gas of Others Received for Gathering Account 489.1 303
5 Gas of Others Received for Transmission Account 489.2 305
6 Gas of Others Received for Distribution Account 489.3 301 6,792.522
7 Gas of Others Received for Contract Storage Account 489.4 307
8 Exchanged Gas Received from Others Account 806 328
9 Gas Received as Imbalances Account 806 328 6.060
10 Receipts of Respondent's Gas Transported by Others(Account 858) 332
11 Other Gas Withdrawn from Stora a(Explain) (121,897
12 Gas Received from Shippers as Compressor Station Fuel
13 Gas Received from Shippers as Lost and Unaccounted For
14 Other Receipts(Specify) footnote details
15 Total Receipts Total of lines 3 through 14 23,196,319
16 GAS DELIVERED
17 Gas Sales Accounts 480-484 15,888,405
18 Deliveries of Gas Gathered for Others Account 489.1 303
19 Deliveries of Gas Transported for Others 489.2 305
20 Deliveries of Gas Distributed for Others Account 489.3 301 6.792,522
21 Deliveries of Contract Storage Gas Account 489.4 307
22 Exchan a Gas Delivered to Others Account 806 328
23 Gas Delivered as Imbalances Account 858 328
24 Deliveries of Gas to Others for Transportation Account 858 332
25 Other Gas Delivered to Storage Ex lain 1
26 Gas Used for Compressor Station Fuel 509 515,392
27 Other Deliveries(Specify) footnote details
28 Total Deliveries(Total of lines 17 through 27 23,196,319
29 GAS UNACCOUNTED FOR
30 Production System Losses -
31 Gathering System Losses
32 Transmission System Losses
33 Distribution System Losses
34 Storage System Losses
35 Other Losses(Specify) footnote details
36 Total Gas Unaccounted For(Total of lines 30 through 35
37 Total Deliveries and Gas Unaccounted For(Total of lines 28 and 36 23.196.319
(1) Represents net gas withdrawals and injections.
IDAHO STATE NATURAL GAS ANNUAL REPORT(IC 61405) G.ID.520