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Home My WebLink About20241022PAC to PIIC 49-1 Attachment - PAC-E-13-03 RMP Q2 2024 ECAM Report (8-30-24).pdf ROCKY MOUNTAIN 1407 W. North Temple POWER. Salt Lake City,UT 84116 A DIVISION OF PACIFICORP August 30, 2024 VIA ELECTRONIC DELIVERY Commission Secretary Idaho Public Utilities Commission 11331 W. Chinden Blvd. Building 8 Suite 201A Boise, ID 83714 Re: Rocky Mountain Power's Quarterly Energy Cost Adjustment Mechanism Report Q2 2024 (January 2024 through June 2024) Attention: Commission Secretary Please find enclosed for review Rocky Mountain Power's ("RMP") Q2 2024 (January 1, 2024 through June 30, 2024) energy cost adjustment mechanism ("ECAM") report and a confidential zip folder containing the ECAM work papers. The Idaho Public Utilities Commission ("IPUC") authorized implementation of an ECAM in Order No. 30904 to track and defer the difference between base net power costs ("NPC"), established in a general rate case ("GRC"), and actual NPC incurred by RMP to serve its Idaho customers. This report contains confidential information. The confidential information is provided to those that have executed the confidentiality agreement to receive this quarterly ECAM report. Informal inquiries may be directed to Mark Alder, Idaho Regulatory Manager at(801) 220-2313. Sincerely, oelle Ste and Senior Vice President, Regulation Enclosures cc: Chris McEwan Mike Louis (C) TJ Budge (C) Brian Collins (C) Maurice Brubaker(C) Greg Meyer Eric Olsen(C) Mike Veile Idaho Energy Cost Adjustment Mechanism (ECAM) Q2 2024 (January 1, 2024 through June 30, 2024) Summary Summary Table of Deferred ECAM Balance NPC Differential for Deferral $ 32,029,532 EITF 04-6 Adjustment (421,376) LCAR (160,447) Total Deferral Before Sharing 31,447,709 Sharing Band 90% Customer Responsibility 28,302,938 Production Tax Credits (752,479) REP QF Adjustment - Wind Liquidated Damages - REC Deferral (4516,313) Interest on Deferral 2,138,971 Annual Deferral (Jan - Dec 2024) 29,233,118 Unamortized Previous Balance 75,419,507 ECAM Rider Revenues (15,966,580) Total Company Recovery $ 88,686,045 Idaho Energy Cost Adjustment Mechanism (ECAM) Q2 2024 (January 1, 2024 through June 30, 2024) Exhibit 1 Idaho Energy Cost Adjustment Mechanism Deferral January 1,2024-December 31,2024 Line No. CY 2021 1 ID Base NPC Embedded in Rates($) PAC-E-21-07 $ 86,534,565 2 Annual Idaho Base Load @ meter(MWh) PAC-E-21-07 3,526,359 3 NPC Rate Embedded in Base Rates($/MWh) Line 1/Line 2 $ 24.54 Jan-24 Feb-24 Mar-24 Apr-24 May-24 Jun-24 Jul-24 Aug-24 4 NPC Rate Embedded in Base Rates($/MWh) Line 3 $ 24.54 $ 24.54 $ 24.54 $ 24.54 $ 24.54 $ 24.54 5 ID Actual Sales @ Meter(MWh) 287,264 259,852 269,758 247,416 290,257 426,991 6 ID NPC Collected in Rates($) Line 4 x Line 5 $ 7,049,281 $ 6,376,599 $ 6,619,675 $ 6,071,437 $ 7,122,723 $ 10,478,077 7 Total Company Adjusted Actual NPC($) Adjusted Actual NPC $ 335,453,117 $ 198,950,187 $ 176,083,249 $ 166,496,709 $ 170,813,011 $ 206,986,991 8 Total Company Load @ Input(MWh) 5,470,924 4,920,330 5,135,244 4,554,467 4,596,442 4,727,056 9 Actual NPC($/MWh) Line 7/Line 8 $ 61.32 $ 40.43 $ 34.29 $ 36.56 $ 37.16 $ 43.79 10 ID Actual Load @ Input(MWh) 303,538 284,568 294,802 252,861 273,264 368,186 11 Actual ID NPC Line 9 x Line 10 $ 18,611,621 $ 11,506,317 $ 10,108,512 $ 9,243,795 $ 10,155,044 $ 16,122,035 12 NPC Differential Line 11-Line 6 $ 11,562,340 $ 5,129,718 $ 3,488,837 $ 3,172,358 $ 3,032,321 $ 5,643,958 EITF 04-6 Adjustment 13 Idaho Allocated EITF 04-6 Deferral Adjustment($) $ (4,692) $ 21,938 $ (62,349) $ (99,067) $ (162,684) $ (114,522) LCAR 14 Actual Idaho Jurisdictional ECPC minus NPC(Assume Actual=B PAC-E-21-07 $ 2,568,242 $ 2,568,242 $ 2,568,242 $ 2,568,242 $ 2,568,242 $ 2,568,242 15 LCAR Rate @ Meter($/MWh) PAC-E-21-07 $ 8.74 $ 8.74 $ 8.74 $ 8.74 $ 8.74 $ 8.74 16 ID Actual Sales @ Meter(MWh) Line 5 287,264 259,852 269,758 247,416 290,257 426,991 17 LCAR Revenue Collected through Base Rates($) Line 15 x Line 16 $ 2,510,571 $ 2,270,998 $ 2,357,568 $ 2,162,316 $ 2,536,727 $ 3,731,721 18 LCAR Adjustment Line 14-Line 17 $ 57,672 $ 297,244 $ 210,674 $ 405,926 $ 31,516 $ (1,163,479) ECAM Deferral 19 Total ECAM Deferral(NPC Deferral,EITF 04-6 Adjustment,LCAF Sum of Lines:12,13,18 11,615,320 5,448,901 3,637,162 3,479,217 2,901,152 4,365,957 20 Total ECAM Deferral after 90%Sharing Line 19 x 90% $ 10,453,788 $ 4,904,011 $ 3,273,446 $ 3,131,296 $ 2,611,037 $ 3,929,361 Production Tax Credits(PTCs) 21 ID Allocated PTCs in Rates($/MWh) PAC-E-21-07 $ (4.16) $ (4.16) $ (4.16) $ (4.16) $ (4.16) $ (4.16) 22 ID Actual Sales @ Meter(MWh) Line 5 287,264 259,852 269,758 247,416 290,257 426,991 23 ID PTCs in Rates($) Line 21 x Line 22 $ (1,196,146) $ (1,082,003) $ (1,123,249) $ (1,030,222) $ (1,208,608) $ (1,777,955) 24 ID Allocated Actual PTCs($) (1,320,014) (1,336,496) (1,355,336) (1,385,439) (1,415,869) (1,357,507) 25 ID PTCs Deferral($) Line 24-Line 23 $ (123,868) $ (254,493) $ (232,087) $ (355,218) $ (207,261) $ 420,448 Situs Assigned REP QF Adjustment 26 ID REP QF Adjustment($) $ - $ - $ - $ - $ - $ - Wind Liquidated Damages 27 ID Allocated Wind Liquidated Damages($) $ - $ - $ - $ - $ - $ - Renewable Energy Credits(REC)Revenue 28 ID REC Revenue in Rates($/MWh) PAC-E-21-07 $ (0.07) $ (0.07) $ (0.07) $ (0.07) $ (0.07) $ (0.07) 29 ID Actual Sales @ Meter(MWh) Line 5 287,264 259,852 269,758 247,416 290,257 426,991 Idaho Energy Cost Adjustment Mechanism Deferral January 1,2024-December 31,2024 Line No. CY 2021 30 ID REC Revenue in Rates($) Line 28 x Line 29 $ (19,663) $ (17,787) $ (18,465) $ (16,936) $ (19,868) $ (29,228) 31 ID Allocated Actual REC Revenue($) (157,001) (243,837) (158,696) (10,904) (3,672) (4,149) 32 REC Revenue Adjustment($) Line 31-Line 30 $ (137,338) $ (226,050) $ (140,231) $ 6,032 $ 16,197 $ 25,079 33 Total Deferral Sum of Lines 20,25,26,27,32 $ 10,192,581 $ 4,423,468 $ 2,901,127 $ 2,782,110 $ 2,419,972 $ 4,374,888 34 Interest Rate Order No.36000 5.00% 5.00% 5.00% 5.00% 5.00% 5.00% 5.00% 5.00 ECAM Balancing Account($) 35 Beginning Balance $ 75,419,507 $ 83,678,213 $ 85,993,611 $ 86,913,961 $ 87,687,918 $ 88,096,109 36 ECAM Deferral After Sharing Line 20 10,453,788 4,904,011 3,273,446 3,131,296 2,611,037 3,929,361 37 PTCs Deferral Line 25 (123,868) (254,493) (232,087) (355,218) (207,261) 420,448 38 REP Situs Adjustment Line 26 - 39 Wind Liquidated Damages Line 27 - - - 40 REC Revenue Adjustment Line 32 (137,338) (226,050) (140,231) 6,032 16,197 25,079 41 Less:Monthly ECAM Rider Revenues allocated to ECAM (2,264,640) (2,460,818) (2,340,253) (2,371,150) (2,377,237) (4,152,482) 42 Interest 330,764 352,748 359,475 362,998 365,455 367,530 43 Total ECAM Deferral Balance($) $ $3,678,213 $ $5,993,611 $ $6,913,961 $ $7,687,918 $ $8,096,109 $ $8,686,045 $ $ Idaho Energy Cost Adjustment Mechanism Deferral January 1,2024-December 31,2024 Line No. 1 ID Base NPC Embedded in Rates($) PAC-E-21-07 2 Annual Idaho Base Load @ meter(MWh) PAC-E-21-07 3 NPC Rate Embedded in Base Rates($/MWh) Line 1/Line 2 Sep-24 Oct-24 Nov-24 Dec-24 Total 4 NPC Rate Embedded in Base Rates($/MWh) Line 3 5 ID Actual Sales @ Meter(MWh) 6 ID NPC Collected in Rates($) Line 4 x Line 5 $ 43,717,792 7 Total Company Adjusted Actual NPC($) Adjusted Actual NPC $ 1,254,783,264 8 Total Company Load @ Input(MWh) 29,404,464 9 Actual NPC($/MWh) Line 7/Line 8 $ 42.67 10 ID Actual Load @ Input(MWh) 11 Actual ID NPC Line 9 x Line 10 $ 75,747,324 12 NPC Differential Line 11-Line 6 $ 32,029,532 EITF 04-6 Adjustment 13 Idaho Allocated EITF 04-6 Deferral Adjustment($) $ (421,376) LCAR 14 Actual Idaho Jurisdictional ECPC minus NPC(Assume Actual=B PAC-E-21-07 $ 15,409,454 15 LCAR Rate @ Meter($/MWh) PAC-E-21-07 16 ID Actual Sales @ Meter(MWh) Line 5 17 LCAR Revenue Collected through Base Rates($) Line 15 x Line 16 $ 15,569,901 18 LCAR Adjustment Line 14-Line 17 $ (160,447) ECAM Deferral 19 Total ECAM Deferral(NPC Deferral,EITF 04-6 Adjustment,LCAF Sum of Lines:12,13,18 31,447,709 20 Total ECAM Deferral after 90%Sharing Line 19 x 90% $ 28,302,938 Production Tax Credits(PTCs) 21 ID Allocated PTCs in Rates($/MWh) PAC-E-21-07 22 ID Actual Sales @ Meter(MWh) Line 5 23 ID PTCs in Rates($) Line 21 x Line 22 24 ID Allocated Actual PTCs($) 25 ID PTCs Deferral($) Line 24-Line 23 $ (752,479) Situs Assigned REP QF Adjustment 26 ID REP QF Adjustment($) $ - Wind Liquidated Damages 27 ID Allocated Wind Liquidated Damages($) $ - Renewable Energy Credits(REC)Revenue 28 ID REC Revenue in Rates($/MWh) PAC-E-21-07 29 ID Actual Sales @ Meter(MWh) Line 5 Idaho Energy Cost Adjustment Mechanism Deferral January 1,2024-December 31,2024 Line No. 30 ID REC Revenue in Rates($) Line 28 x Line 29 31 ID Allocated Actual REC Revenue($) 32 REC Revenue Adjustment($) Line 31-Line 30 $ (456,313) 33 Total Deferral Sum of Lines 20,25,26,27,32 $ 27,094,147 34 Interest Rate Order No.36000 5.00% 5.00% 5.00% 5.00 ECAM Balancing Account($) 35 Beginning Balance 36 ECAM Deferral After Sharing Line 20 37 PTCs Deferral Line 25 38 REP Situs Adjustment Line 26 39 Wind Liquidated Damages Line 27 40 REC Revenue Adjustment Line 32 41 Less:Monthly ECAM Rider Revenues allocated to ECAM 42 Interest 43 Total ECAM Deferral Balance($) $ $ $ $ $ 88,686,045