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HomeMy WebLinkAbout20230601Exhibits 57-58 - Thompson DI Testimony.pdfBEFORE THE IDAHO PUBLIC UTILITIES COMMISSION CASE NO. IPC-E-23-11 IDAHO POWER COMPANY THOMPSON, DI TESTIMONY EXHIBIT NO. 57 Idaho Power Company State of Idaho Calculation of Proposed Rates Filed June 1, 2023 IPC-E-23-11 Small General Service Schedule 7 and Schedule 8 Combined Test Year Current Test Year Proposed Proposed Line Billing Base Base Effective Effective 1 Service Charge 365,860 5.00$ 1,829,301$ 20.00$ 7,317,204$ 2 Minimum Charge 2,183 2.00 4,366 3.00 6,549 3 Summer Energy (Jun-Aug) 4 0 - 300 kWh 15,552,833 0.098633$ 1,534,023$ 5 All Additional kWh 19,695,659 0.117472 2,313,688 6 Subtotal - Summer Energy 35,248,492 0.109160$ 3,847,711$ 7 Non-Summer Energy (Sep-May) 8 0 - 300 kWh 48,683,072 0.098633$ 4,801,757$ 9 All Additional kWh 54,724,304 0.103486 5,663,199 10 Subtotal - Non-Summer Energy 103,407,376 0.101201$ 10,464,957$ 11 Subtotal - Total Energy 138,655,868 14,312,668$ 12 Summer Energy (Jun-Sep) 13 0 - 300 kWh 20,489,851 0.089863$ 1,841,279$ 14 All Additional kWh 25,224,107 0.102694 2,590,364 15 Subtotal - Summer Energy 45,713,958 0.096943$ 4,431,644$ 16 Non-Summer Energy (Oct-May) 17 0 - 300 kWh 43,567,779 0.089863$ 3,915,131$ 18 All Additional kWh 49,374,131 0.089887 4,438,093 19 Subtotal - Non-Summer Energy 92,941,910 0.089876$ 8,353,224$ 20 Subtotal - Total Energy 138,655,868 12,784,868$ 21 Transfer Adjustment Revenue 1,662,745$ 22 Total Adjusted Base Revenue 17,809,080$ 20,108,621$ Exhibit No. 57 Case No. IPC-E-23-11 R. Thompson, IPC Page 1 of 13 Idaho Power Company State of Idaho Calculation of Proposed Rates Filed June 1, 2023 IPC-E-23-11 Small General Service Schedule 7 Test Year Current Test Year Proposed Proposed Line Billing Base Base Effective Effective 1 Service Charge 364,810 5.00$ 1,824,051$ 20.00$ 7,296,204$ 2 Minimum Charge 2,177 2.00 4,354 3.00 6,531 3 Summer Energy (Jun-Aug) 4 0 - 300 kWh 15,526,486 0.098633$ 1,531,424$ 5 All Additional kWh 19,639,552 0.117472 2,307,097 6 Subtotal - Summer Energy 35,166,038 0.109154$ 3,838,521$ 7 Non-Summer Energy (Sep-May) 8 0 - 300 kWh 48,565,776 0.098633$ 4,790,188$ 9 All Additional kWh 54,553,347 0.103486 5,645,508 10 Subtotal - Non-Summer Energy 103,119,122 0.101200$ 10,435,696$ 11 Subtotal - Total Energy 138,285,160 14,274,217$ 12 Summer Energy (Jun-Sep) 13 0 - 300 kWh 20,448,718 0.089863$ 1,837,583$ 14 All Additional kWh 25,155,159 0.102694 2,583,284 15 Subtotal - Summer Energy 45,603,878 0.096941$ 4,420,867$ 16 Non-Summer Energy (Oct-May) 17 0 - 300 kWh 43,462,704 0.089863$ 3,905,689$ 18 All Additional kWh 49,218,578 0.089887 4,424,110 19 Subtotal - Non-Summer Energy 92,681,282 0.089876$ 8,329,799$ 20 Subtotal - Total Energy 138,285,160 12,750,666$ 21 Transfer Adjustment Revenue 1,658,298$ 22 Total Adjusted Base Revenue 17,760,920$ 20,053,401$ Exhibit No. 57 Case No. IPC-E-23-11 R. Thompson, IPC Page 2 of 13 Idaho Power Company State of Idaho Calculation of Proposed Rates Filed June 1, 2023 IPC-E-23-11 Large General Service Schedule 9 Secondary Standard Service Test Year Current Test Year Proposed Proposed Line Billing Base Base Effective Effective 1 Service Charge 453,162 16.00$ 7,250,592$ 25.00$ 11,329,050$ 2 Minimum Charge 1,784 5.00 8,920 3.00 5,352 3 Basic Charge 4 Total Basic Charge (Current) 8,516,555 1.03$ 8,772,052$ 5 Total Basic Charge (Proposed) 15,010,667 1.47$ 22,065,681$ 6 Demand Charge (Current) 7 0-20 kW 5,349,195 -$ -$ 8 Over 20 kW - Summer 1,562,250 6.06 9,467,238 9 Over 20 kW - Non-Summer 4,230,876 4.45 18,827,398 10 Total Demand 11,142,321 28,294,636$ 11 Demand Charge (Proposed) 12 Summer kW 3,897,816 7.60$ 29,623,401$ 13 Non-Summer kW 7,244,505 5.99 43,394,587 14 Total Demand 11,142,321 73,017,988$ 15 Summer Energy (Current) 16 0-2,000 kWh 166,185,698 0.105250$ 17,491,045$ 17 Over 2,000 kWh 705,756,622 0.048716 34,381,640 18 Subtotal - Summer Energy 871,942,320 0.059491$ 51,872,684$ 19 Non-Summer Energy (Current) 20 0-2,000 kWh 514,806,364 0.094742$ 48,773,785$ 21 Over 2,000 kWh 1,934,795,934 0.044196 85,510,241 22 Subtotal - Non-Summer Energy 2,449,602,298 0.054819$ 134,284,026$ 23 Subtotal - Total Energy 3,321,544,618 186,156,710$ 24 Summer Energy (Jun-Sep) 25 All kWh 1,143,297,617 0.051289$ 58,638,591$ 26 Non-Summer Energy (Oct-May) 27 All kWh 2,178,247,001 0.049439$ 107,690,353$ 28 Subtotal - Total Energy 3,321,544,618 166,328,945$ 29 Transfer Adjustment Revenue 39,344,999$ 30 Total Adjusted Base Revenue 269,827,909$ 272,747,016$ Exhibit No. 57 Case No. IPC-E-23-11 R. Thompson, IPC Page 3 of 13 Idaho Power Company State of Idaho Calculation of Proposed Rates Filed June 1, 2023 IPC-E-23-11 Large General Service Schedule 9 Secondary TOU Service Test Year Current Test Year Proposed Proposed Line Billing Base Base Effective Effective 1 Service Charge 453,162 16.00$ 7,250,592$ 25.00$ 11,329,050$ 2 Minimum Charge 1,784 5.00 8,920 3.00 5,352 3 Basic Charge 4 Total Basic Charge (Current) 8,516,555 1.03$ 8,772,052$ 5 Total Basic Charge (Proposed) 15,010,667 1.47$ 22,065,681$ 6 Demand Charge (Current) 7 0-20 kW 5,349,195 -$ -$ 8 Over 20 kW - Summer 1,562,250 6.06 9,467,238 9 Over 20 kW - Non-Summer 4,230,876 4.45 18,827,398 10 Total Demand 11,142,321 28,294,636$ 11 Demand Charge (Proposed) 12 Summer kW 3,897,816 7.60$ 29,623,401$ 13 Non-Summer kW 7,244,505 5.99 43,394,587 14 Total Demand 11,142,321 73,017,988$ 15 Summer Energy (Current) 16 0-2,000 kWh 166,185,698 0.105250$ 17,491,045$ 17 Over 2,000 kWh 705,756,622 0.048716 34,381,640 18 Subtotal - Summer Energy 871,942,320 0.059491$ 51,872,684$ 19 Non-Summer Energy (Current) 20 0-2,000 kWh 514,806,364 0.094742$ 48,773,785$ 21 Over 2,000 kWh 1,934,795,934 0.044196 85,510,241 22 Subtotal - Non-Summer Energy 2,449,602,298 0.054819$ 134,284,026$ 23 Subtotal - Total Energy 3,321,544,618 186,156,710$ 24 Summer Energy (Jun-Sep) 25 On-Peak 158,721,787 0.054902$ 8,714,144$ 26 Mid-Peak 229,027,384 0.054902 12,574,061 27 Off-Peak 755,548,446 0.049431 37,347,515 28 Subtotal - Summer Energy 1,143,297,617 0.051286$ 58,635,720$ 29 Non-Summer Energy (Oct-May) 30 On-Peak 482,938,805 0.052290$ 25,252,870$ 31 Mid-Peak 506,997,039 0.049947 25,322,981 32 Off-Peak 1,188,311,158 0.048066 57,117,364 33 Subtotal - Non-Summer Energy 2,178,247,001 0.049440$ 107,693,215$ 34 Subtotal - Total Energy 3,321,544,618 166,328,936$ 35 Transfer Adjustment Revenue 39,344,999$ 35 Total Adjusted Base Revenue 269,827,909$ 272,747,007$ Exhibit No. 57 Case No. IPC-E-23-11 R. Thompson, IPC Page 4 of 13 Idaho Power Company State of Idaho Calculation of Proposed Rates Filed June 1, 2023 IPC-E-23-11 Agricultural Irrigation Service Schedule 24 Secondary Service Test Year Current Test Year Proposed Proposed Line Billing Base Base Effective Effective 1 Bills-In Season 77,670 22.00$ 1,708,747$ 30.00$ 2,330,109$ 2 Bills-Out Season 152,477 3.50 533,668 6.00 914,859 3 Mininum Charge 379 1.50 568 3.00 1,136 4 Total Service Charge 230,525 2,242,982$ 3,246,104$ 5 Demand Charge 6 Total In-Season 4,065,427 7.06$ 28,701,912$ 15.08$ 61,306,634$ 7 Total Out-Season - - - - -$ 8 Total Demand 4,065,427 28,701,912$ 61,306,634$ 9 In-Season Energy (Current) 10 First 164 kWh per kW 610,778,359 0.058436$ 35,691,444$ 11 All Other kWh In-Season 897,748,435 0.055483 49,809,776 12 Subtotal - In-Season Energy 1,508,526,794 0.056679$ 85,501,221$ 13 Out-Season Energy (Current) 14 All kWh 355,995,978 0.067084$ 23,881,634$ 15 Subtotal - Total Energy 1,864,522,772 109,382,855$ 16 In-Season Energy (Proposed) 17 All kWh 1,508,526,794 0.061572$ 92,883,012$ 18 Out-Season Energy (Proposed) 19 All kWh 355,995,978 0.073000$ 25,987,706$ 20 Subtotal - Total Energy 1,864,522,772 118,870,718$ 21 Transfer Adjustment Revenue 22,120,084$ 22 Total Adjusted Base Revenue 162,447,833$ 183,423,455$ Exhibit No. 57 Case No. IPC-E-23-11 R. Thompson, IPC Page 5 of 13 (1)(2)(3)(4)(5)(6)(7) Line Current Current Prposed Proposed Proposed Proposed No Description Use Rate Revenue Structure Use Rate Revenue 0 1 Bills-In Season 0 299.00$ -$ Bills-In Season 0 430.00$ -$ 2 Bills-Out Season 0 3.50$ -$ Bills-Out Season 0 6.00$ -$ 3 Demand Charge Demand Charge 4 Total In-Season 0 6.66$ -$ Total In-Season 0 14.23$ -$ 5 Total Out-Season 0 -$ -$ Total Out-Season 0 -$ -$ 6 Total kW 0 -$ Total Demand 0 -$ 7 Energy Charge Energy Charge 8 First 164 kWh per kW 0 0.055978$ -$ In-Season Energy 0 0.058972$ -$ 9 All Other kWh In-Season 0 0.053233$ -$ Out-Season Energy 0 0.069670$ -$ 10 0 Total Energy 0 -$ 11 Total Out-Season 0 0.064032$ -$ 12 Total Energy 0 -$ Total Adjusted Base Revenue -$ 13 Total Adjusted Base Revenue -$ Agricultural Irrigation Service Schedule 24 Transmission Service Idaho Power Company State of Idaho Calculation of Proposed Rates IPC-E-23-11 General Rate Case IPC-E-23-11 Exhibit No. 57 Case No. IPC-E-23-11 R. Thompson, IPC Page 6 of 13 (1)(2)(3)(4)(5)(6)(7)(8)(9) Current Current Proposed Proposed Line Annual kWh Base Base Proposed Annual kWh Base Base No Description Lamps Use Rate Revenue Structure Lamps Use Rate Revenue 0 1 Lamps Area Lighting 2 100-Watt Sodium Vapor (A)89,714 0 9.63$ 863,946$ 40 Watt Max 89,714 0 9.46$ 848,694$ 3 200-Watt Sodium Vapor (A)9,459 0 11.50$ 108,777$ 85 Watt Max 9,459 0 11.52$ 108,966$ 4 400-Watt Sodium Vapor (A)1,801 0 15.57$ 28,035$ 200 Watt Max 1,801 0 16.62$ 29,925$ 5 200-Watt Sodium Vapor (D)9,599 0 13.78$ 132,280$ 6 400-Watt Sodium Vapor (D)5,387 0 16.24$ 87,493$ Flood Lighting 7 400-Watt Metal Halide (D)1,164 0 14.91$ 17,356$ 85 Watt Max 9,599 0 18.81$ 180,565$ 8 1000-Watt Metal Halide(D)956 0 23.71$ 22,665$ 150 Watt Max 6,552 0 20.70$ 135,618$ 9 0 300 Watt Max 956 0 24.34$ 23,267$ 10 Total 118,080 5,267,423 1,260,552$ 11 $0 Total 118,080 5,267,423 1,327,035$ 12 Mininum Charge 434 3.00$ 1,301$ 13 0 Mininum Charge 434 -$ -$ 14 Transfer Adjustment 65,185$ 15 0 Transfer Adjustment -$ 16 Total Adjusted Base Revenue 1,327,038$ 17 0 Total Adjusted Base Revenue 1,327,035$ Dusk-to-Dawn Customer Lighting Schedule 15 Idaho Power Company Calculation of Proposed Rates State of Idaho IPC-E-23-11 General Rate Case Filed June 1, 2023 Exhibit No. 57 Case No. IPC-E-23-11 R. Thompson, IPC Page 7 of 13 (1)(2)(3)(4) Current Proposed Line Current Base Proposed Base No Description Use Revenue Use Revenue 0 1 A - Company-Owned, Non-Metered, Maintenance 4,153,143 2,359,648$ 4,153,143 2,421,861$ 2 B - Customer-Owned, Non-Metered, Maintenance 2,214,987 149,735$ 0 -$ 4 BM - Customer-Owned, Metered, Maintenance 78,103 4,750$ 0 -$ 5 C - Customer-Owned, Non-Metered, No Maintenance 10,704,238 560,902$ 12,919,225 820,758$ 6 CM - Customer-Owned, Metered, No Maintenance 6,609,543 388,286$ 6,687,646 507,785$ 7 Total Bills 35,760 35,760 8 Total kWh 23,760,014 23,760,014 9 Transfer Adjustment 287,095$ -$ 10 Total Adjusted Base Revenue 3,750,417$ 3,750,405$ Idaho Power Company Schedule 41 Filed June 1, 2023 IPC-E-23-11 General Rate Case State of Idaho Calculation of Proposed Rates Street Lighting Service Exhibit No. 57 Case No. IPC-E-23-11 R. Thompson, IPC Page 8 of 13 (1)(2)(3)(4)(5)(6)(7) Current Current Proposed Proposed Line Annual Base Base Proposed Annual Base Base No Description Lamps Rate Revenue Structure Lamps Rate Revenue 0 1 Sodium Vapor / LED LED 2 70-Watt / 40-Watt Max 431 11.55$ 4,978$ 40-Watt Max 180,477 11.50$ 2,075,481$ 3 100-Watt / 40-Watt Max 180,046 11.01$ 1,982,302$ 85-Watt Max 20,137 13.44$ 270,644$ 4 200-Watt / 85-Watt Max 20,137 14.75$ 297,024$ 140-Watt Max 2,799 15.42$ 43,161$ 5 250-Watt / 140-Watt Max 2,799 16.05$ 44,924$ 200-Watt Max 1,486 19.10$ 28,379$ 6 400-Watt / 200-Watt Max 1,486 18.30$ 27,190$ Total LED 204,899 2,417,665$ 7 Total Sodium Vapor / LED 204,899 2,356,419$ 8 Non-Metered - Variable Energy Use 43,270 0.07464$ 3,230$ 43,270 0.09697$ 4,196$ 9 A - Company-Owned, Non-Metered, Maintenance 2,359,648$ 2,421,861$ A - Company-Owned, Non-Metered, Maintenance IPC-E-23-11 General Rate Case Filed June 1, 2023 Street Lighting Service (cont'd) Schedule 41 Idaho Power Company Calculation of Proposed Rates State of Idaho Exhibit No. 57 Case No. IPC-E-23-11 R. Thompson, IPC Page 9 of 13 (1) (2) (3) (4) (5) (6) (7) Current Current Proposed Proposed Line Annual Base Base Proposed Annual Base Base No Description Lamps Rate Revenue Structure Lamps Rate Revenue 0 1 70-Watt 0 3.11$ -$ N/A 0 -$ -$ 2 100-Watt 23,799 3.48$ 82,821$ N/A 0 -$ -$ 3 200-Watt 1,226 5.03$ 6,167$ N/A 0 -$ -$ 4 250-Watt 8,039 6.20$ 49,842$ N/A 0 -$ -$ 5 400-Watt 1,245 8.76$ 10,906$ N/A 0 -$ -$ 6 Total Sodium Vapor 34,309 149,735$ 0 -$ 7 Non-Metered - Variable Energy Use 0 0.07464$ -$ N/A 0 -$ -$ 8 B - Customer-Owned, Non-Metered, Maintenance 149,735$ -$ (1) (2) (3) (4) (5) (6) (7) Current Current Proposed Proposed Line Annual Base Base Proposed Annual Base Base No Description Lamps Rate Revenue Structure Lamps Rate Revenue 9 Sodium Vapor 10 70-Watt 0 1.37$ -$ N/A 0 -$ -$ 11 100-Watt 0 1.28$ -$ N/A 0 -$ -$ 12 200-Watt 0 1.27$ -$ N/A 0 -$ -$ 13 250-Watt 396 1.37$ 543$ N/A 0 -$ -$ 14 400-Watt 0 1.37$ -$ N/A 0 -$ -$ 15 Total Lamp Charges 396 543$ 0 -$ 16 Service Charge 61 3.36$ 205$ N/A 0 -$ -$ 17 Energy Charge 18 Per kWh 78,103 0.05125$ 4,003$ N/A 0 -$ -$ 19 BM - Customer-Owned, Metered, Maintenance 4,750$ -$ Idaho Power Company Calculation of Proposed Rates State of Idaho IPC-E-23-11 General Rate Case Filed June 1, 2023 Street Lighting Service (cont'd) Schedule 41 B - Customer-Owned, Non-Metered, Maintenance BM - Customer-Owned, Metered, Maintenance Exhibit No. 57 Case No. IPC-E-23-11 R. Thompson, IPC Page 10 of 13 (1) (2) (3) (4) (5) (6) (7) Current Current Proposed Proposed Line Base Base Proposed Base Base No Description Use Rate Revenue Structure Use Rate Revenue 0 1 Energy Charge Energy Charge 2 Per kWh 10,704,238 0.05240$ 560,902$ Per kWh 12,919,225 0.06353$ 820,758$ 3 C - Customer-Owned, Non-Metered, No Maintenance 560,902$ 820,758$ (1) (2) (3) (4) (5) (6) (7) Current Current Proposed Proposed Line Base Base Proposed Base Base No Description Use Rate Revenue Structure Use Rate Revenue 0 4 Service Charge 14,746 3.36$ 49,547$ Service Charge 14,807 5.60$ 82,919$ 5 Energy Charge Energy Charge 6 Per kWh 6,609,543 0.05125$ 338,739$ Per kWh 6,687,646 0.06353$ 424,866$ 7 CM - Customer-Owned, Metered, No Maintenance 388,286$ 507,785$ Street Lighting Service (cont'd) Schedule 41 C - Customer-Owned, Non-Metered, No Maintenance CM - Customer-Owned, Metered, No Maintenance Idaho Power Company Calculation of Proposed Rates State of Idaho IPC-E-23-11 General Rate Case Filed June 1, 2023 Exhibit No. 57 Case No. IPC-E-23-11 R. Thompson, IPC Page 11 of 13 (1)(2)(3)(4)(5) Current Current Proposed Proposed Line Base Base Base Base No Description Use Rate Revenue Rate Revenue 0 1 No. of Billings 9,192.0 -$ -$ -$ -$ 2 Energy 2,847,961 0.05815$ 165,609$ 0.07899$ 224,960$ 3 Transfer Adjustment 33,636$ -$ 4 Total Adjusted Base Revenue 199,244$ 224,960$ Traffic Control Signal Lighting Service Schedule 42 Idaho Power Company Calculation of Proposed Rates State of Idaho IPC-E-23-11 General Rate Case Filed June 1, 2023 Exhibit No. 57 Case No. IPC-E-23-11 R. Thompson, IPC Page 12 of 13 (1)(2)(3)(4)(5) Current Current Proposed Proposed Line Base Base Base Base No Description Use Rate Revenue Rate Revenue 0 1 Number of Bills 19,956.0 -$ -$ -$ -$ 2 Mininum Charge 846.8 1.50$ 1,270$ 2.00$ 1,694$ 3 Total Energy 13,925,301 0.08207$ 1,142,849$ 0.09697$ 1,350,336$ 4 Intermittent Usage 168 1.00$ 168$ 1.50$ 252$ 5 Transfer Adjustment 165,505$ -$ 6 Total Adjusted Base Revenue 1,309,792$ 1,352,282$ Non-metered General Service Schedule 40 Idaho Power Company Calculation of Proposed Rates State of Idaho IPC-E-23-11 General Rate Case Filed June 1, 2023 Exhibit No. 57 Case No. IPC-E-23-11 R. Thompson, IPC Page 13 of 13 BEFORE THE IDAHO PUBLIC UTILITIES COMMISSION CASE NO. IPC-E-23-11 IDAHO POWER COMPANY THOMPSON, DI TESTIMONY EXHIBIT NO. 58 (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) Line Energy Current Proposed Percent Current Proposed Percent Current Proposed Difference Percent No kWh Revenue Revenue Difference Revenue Revenue Difference Revenue Revenue (8) - (7)Difference 1 100 16.06$ 28.99$ 80.46% 16.06$ 28.99$ 80.46% 16.06$ 28.99$ 12.92$ 80.46% 2 200 27.12$ 37.97$ 39.99% 27.12$ 37.97$ 39.99% 27.12$ 37.97$ 10.85$ 39.99% 3 300 38.19$ 46.96$ 22.97% 38.19$ 46.96$ 22.97% 38.19$ 46.96$ 8.77$ 22.97% 4 400 51.13$ 57.23$ 11.92% 49.74$ 55.95$ 12.49% 50.08$ 56.37$ 6.29$ 12.56% 5 500 64.08$ 67.50$ 5.33% 61.28$ 64.94$ 5.96% 61.98$ 65.79$ 3.81$ 6.14% 6 600 77.03$ 77.77$ 0.96% 72.83$ 73.93$ 1.50% 73.88$ 75.21$ 1.33$ 1.79% 7 700 89.97$ 88.04$ -2.15% 84.38$ 82.91$ -1.74% 85.78$ 84.62$ (1.16)$ -1.35% 8 800 102.92$ 98.31$ -4.48% 95.93$ 91.90$ -4.19% 97.67$ 94.04$ (3.64)$ -3.72% 9 900 115.87$ 108.58$ -6.29% 107.47$ 100.89$ -6.13% 109.57$ 103.45$ (6.12)$ -5.58% 10 1,000 128.81$ 118.84$ -7.74% 119.02$ 109.88$ -7.68% 121.47$ 112.87$ (8.60)$ -7.08% 11 1,100 141.76$ 129.11$ -8.92% 130.57$ 118.87$ -8.96% 133.37$ 122.28$ (11.08)$ -8.31% 12 1,200 154.70$ 139.38$ -9.90% 142.12$ 127.86$ -10.03% 145.26$ 131.70$ (13.57)$ -9.34% 13 1,300 167.65$ 149.65$ -10.74% 153.67$ 136.85$ -10.95% 157.16$ 141.11$ (16.05)$ -10.21% 14 1,400 180.60$ 159.92$ -11.45% 165.21$ 145.83$ -11.73% 169.06$ 150.53$ (18.53)$ -10.96% 15 1,500 193.54$ 170.19$ -12.07% 176.76$ 154.82$ -12.41% 180.96$ 159.95$ (21.01)$ -11.61% 16 1,600 206.49$ 180.46$ -12.61% 188.31$ 163.81$ -13.01% 192.85$ 169.36$ (23.49)$ -12.18% 17 1,700 219.44$ 190.73$ -13.08% 199.86$ 172.80$ -13.54% 204.75$ 178.78$ (25.97)$ -12.69% 18 1,800 232.38$ 201.00$ -13.51% 211.40$ 181.79$ -14.01% 216.65$ 188.19$ (28.46)$ -13.13% 19 1,900 245.33$ 211.27$ -13.88% 222.95$ 190.78$ -14.43% 228.55$ 197.61$ (30.94)$ -13.54% 20 2,000 258.28$ 221.54$ -14.22% 234.50$ 199.77$ -14.81% 240.44$ 207.02$ (33.42)$ -13.90% 1 Includes change to four-month summer season Schedule 7, Small General Service Filed June 1, 2023 Idaho Power Company Typical Monthly Billing Comparison State of Idaho IPC-E-23-11 General Rate Case Summer Non-Summer Avg Mth Cost -12 Mths1 Exhibit No. 58 Case No. IPC-E-23-11 R. Thompson, IPC Page 1 of 7 (1) (2) (3) (4) Line Demand BLC Load Energy Current Proposed Difference Percent No kW kW Factor kWh Rate Rate (2) - (1)Difference 1 10 13 20% 1,440 184.62$ 194.66$ 10.04$ 5.44% 2 10 13 35% 2,520 281.68$ 250.05$ (31.63)$ -11.23% 3 10 13 50% 3,600 347.09$ 305.44$ (41.65)$ -12.00% 4 10 13 65% 4,680 412.50$ 360.84$ (51.66)$ -12.52% 5 10 13 80% 5,760 477.90$ 416.23$ (61.67)$ -12.91% 6 20 27 20% 2,880 310.64$ 364.32$ 53.68$ 17.28% 7 20 27 35% 5,040 441.45$ 475.10$ 33.65$ 7.62% 8 20 27 50% 7,200 572.26$ 585.89$ 13.63$ 2.38% 9 20 27 65% 9,360 703.07$ 696.67$ (6.40)$ -0.91% 10 20 27 80% 11,520 833.89$ 807.46$ (26.43)$ -3.17% 11 50 67 20% 7,200 795.69$ 873.30$ 77.61$ 9.75% 12 50 67 35% 12,600 1,122.72$ 1,150.26$ 27.54$ 2.45% 13 50 67 50% 18,000 1,449.75$ 1,427.22$ (22.53)$ -1.55% 14 50 67 65% 23,400 1,776.78$ 1,704.18$ (72.60)$ -4.09% 15 50 67 80% 28,800 2,103.82$ 1,981.14$ (122.68)$ -5.83% 16 100 135 20% 14,400 1,604.11$ 1,721.60$ 117.49$ 7.32% 17 100 135 35% 25,200 2,258.17$ 2,275.52$ 17.34$ 0.77% 18 100 135 50% 36,000 2,912.24$ 2,829.44$ (82.80)$ -2.84% 19 100 135 65% 46,800 3,566.30$ 3,383.36$ (182.94)$ -5.13% 20 100 135 80% 57,600 4,220.36$ 3,937.28$ (283.08)$ -6.71% 21 300 404 20% 43,200 4,837.80$ 5,114.79$ 276.99$ 5.73% 22 300 404 35% 75,600 6,799.99$ 6,776.55$ (23.43)$ -0.34% 23 300 404 50% 108,000 8,762.18$ 8,438.32$ (323.86)$ -3.70% 24 300 404 65% 140,400 10,724.36$ 10,100.08$ (624.28)$ -5.82% 25 300 404 80% 172,800 12,686.55$ 11,761.84$ (924.71)$ -7.29% 26 500 674 20% 72,000 8,071.48$ 8,507.98$ 436.50$ 5.41% 27 500 674 35% 126,000 11,341.80$ 11,277.59$ (64.21)$ -0.57% 28 500 674 50% 180,000 14,612.11$ 14,047.19$ (564.92)$ -3.87% 29 500 674 65% 234,000 17,882.43$ 16,816.80$ (1,065.63)$ -5.96% 30 500 674 80% 288,000 21,152.74$ 19,586.41$ (1,566.34)$ -7.40% 31 750 1,010 20% 108,000 12,113.59$ 12,749.47$ 635.88$ 5.25% 32 750 1,010 35% 189,000 17,019.06$ 16,903.88$ (115.18)$ -0.68% 33 750 1,010 50% 270,000 21,924.54$ 21,058.29$ (866.25)$ -3.95% 34 750 1,010 65% 351,000 26,830.01$ 25,212.70$ (1,617.31)$ -6.03% 35 750 1,010 80% 432,000 31,735.48$ 29,367.11$ (2,368.37)$ -7.46% Schedule 9, Large General Service - Secondary Idaho Power Company State of Idaho Typical Monthly Billing Comparison IPC-E-23-11 General Rate Case Filed June 1, 2023 Summer Exhibit No. 58 Case No. IPC-E-23-11 R. Thompson, IPC Page 2 of 7 (1) (2) (3) (4) Line Demand BLC Load Energy Current Proposed Difference Percent No kW kW Factor kWh Rate Rate 2-1 Difference 1 10 13 20% 1,440 169.49$ 175.90$ 6.41$ 3.78% 2 10 13 35% 2,520 258.32$ 229.29$ (29.03)$ -11.24% 3 10 13 50% 3,600 318.84$ 282.68$ (36.16)$ -11.34% 4 10 13 65% 4,680 379.37$ 336.08$ (43.29)$ -11.41% 5 10 13 80% 5,760 439.89$ 389.47$ (50.42)$ -11.46% 6 20 27 20% 2,880 285.64$ 326.79$ 41.15$ 14.41% 7 20 27 35% 5,040 406.69$ 433.58$ 26.89$ 6.61% 8 20 27 50% 7,200 527.74$ 540.37$ 12.63$ 2.39% 9 20 27 65% 9,360 648.79$ 647.16$ (1.64)$ -0.25% 10 20 27 80% 11,520 769.84$ 753.94$ (15.90)$ -2.06% 11 50 67 20% 7,200 702.87$ 779.48$ 76.61$ 10.90% 12 50 67 35% 12,600 1,005.49$ 1,046.45$ 40.96$ 4.07% 13 50 67 50% 18,000 1,308.12$ 1,313.42$ 5.30$ 0.41% 14 50 67 65% 23,400 1,610.74$ 1,580.39$ (30.35)$ -1.88% 15 50 67 80% 28,800 1,913.36$ 1,847.36$ (66.00)$ -3.45% 16 100 135 20% 14,400 1,398.25$ 1,533.96$ 135.71$ 9.71% 17 100 135 35% 25,200 2,003.49$ 2,067.90$ 64.40$ 3.21% 18 100 135 50% 36,000 2,608.74$ 2,601.84$ (6.90)$ -0.26% 19 100 135 65% 46,800 3,213.99$ 3,135.78$ (78.21)$ -2.43% 20 100 135 80% 57,600 3,819.24$ 3,669.72$ (149.51)$ -3.91% 21 300 404 20% 43,200 4,179.76$ 4,551.87$ 372.11$ 8.90% 22 300 404 35% 75,600 5,995.50$ 6,153.69$ 158.19$ 2.64% 23 300 404 50% 108,000 7,811.24$ 7,755.52$ (55.72)$ -0.71% 24 300 404 65% 140,400 9,626.98$ 9,357.34$ (269.64)$ -2.80% 25 300 404 80% 172,800 11,442.72$ 10,959.16$ (483.56)$ -4.23% 26 500 674 20% 72,000 6,961.27$ 7,569.78$ 608.51$ 8.74% 27 500 674 35% 126,000 9,987.50$ 10,239.49$ 251.99$ 2.52% 28 500 674 50% 180,000 13,013.74$ 12,909.19$ (104.54)$ -0.80% 29 500 674 65% 234,000 16,039.97$ 15,578.90$ (461.07)$ -2.87% 30 500 674 80% 288,000 19,066.21$ 18,248.61$ (817.60)$ -4.29% 31 750 1,010 20% 108,000 10,438.16$ 11,342.17$ 904.02$ 8.66% 27 750 1,010 35% 189,000 14,977.51$ 15,346.73$ 369.22$ 2.47% 28 750 1,010 50% 270,000 19,516.86$ 19,351.29$ (165.57)$ -0.85% 29 750 1,010 65% 351,000 24,056.21$ 23,355.85$ (700.36)$ -2.91% 30 750 1,010 80% 432,000 28,595.57$ 27,360.41$ (1,235.16)$ -4.32% Idaho Power Company State of Idaho Typical Monthly Billing Comparison IPC-E-23-11 General Rate Case Filed June 1, 2023 Schedule 9, Large General Service - Secondary Non-Summer Exhibit No. 58 Case No. IPC-E-23-11 R. Thompson, IPC Page 3 of 7 (1)(2)(3)(4) Line Demand BLC Load Energy Current Proposed Difference Percent No kW kW Factor kWh Rate Rate (2) - (1)Difference 1 10 13 20% 1,440 173.27$ 182.15$ 8.88$ 5.13% 2 10 13 35% 2,520 264.16$ 236.21$ (27.95)$ -10.58% 3 10 13 50% 3,600 325.90$ 290.27$ (35.63)$ -10.93% 4 10 13 65% 4,680 387.65$ 344.33$ (43.32)$ -11.17% 5 10 13 80% 5,760 449.39$ 398.39$ (51.00)$ -11.35% 6 20 27 20% 2,880 291.89$ 339.30$ 47.41$ 16.24% 7 20 27 35% 5,040 415.38$ 447.42$ 32.04$ 7.71% 8 20 27 50% 7,200 538.87$ 555.54$ 16.67$ 3.09% 9 20 27 65% 9,360 662.36$ 663.66$ 1.30$ 0.20% 10 20 27 80% 11,520 785.85$ 771.78$ (14.07)$ -1.79% 11 50 67 20% 7,200 726.07$ 810.75$ 84.68$ 11.66% 12 50 67 35% 12,600 1,034.80$ 1,081.05$ 46.25$ 4.47% 13 50 67 50% 18,000 1,343.53$ 1,351.35$ 7.83$ 0.58% 14 50 67 65% 23,400 1,652.25$ 1,621.65$ (30.60)$ -1.85% 15 50 67 80% 28,800 1,960.98$ 1,891.95$ (69.02)$ -3.52% 16 100 135 20% 14,400 1,449.71$ 1,596.50$ 146.79$ 10.13% 17 100 135 35% 25,200 2,067.16$ 2,137.10$ 69.94$ 3.38% 18 100 135 50% 36,000 2,684.62$ 2,677.71$ (6.91)$ -0.26% 19 100 135 65% 46,800 3,302.07$ 3,218.31$ (83.76)$ -2.54% 20 100 135 80% 57,600 3,919.52$ 3,758.91$ (160.61)$ -4.10% 21 300 404 20% 43,200 4,344.27$ 4,739.51$ 395.24$ 9.10% 22 300 404 35% 75,600 6,196.62$ 6,361.31$ 164.69$ 2.66% 23 300 404 50% 108,000 8,048.97$ 7,983.12$ (65.86)$ -0.82% 24 300 404 65% 140,400 9,901.33$ 9,604.92$ (296.41)$ -2.99% 25 300 404 80% 172,800 11,753.68$ 11,226.72$ (526.96)$ -4.48% 26 500 674 20% 72,000 7,238.82$ 7,882.52$ 643.69$ 8.89% 27 500 674 35% 126,000 10,326.08$ 10,585.52$ 259.44$ 2.51% 28 500 674 50% 180,000 13,413.33$ 13,288.53$ (124.80)$ -0.93% 29 500 674 65% 234,000 16,500.59$ 15,991.53$ (509.05)$ -3.09% 30 500 674 80% 288,000 19,587.84$ 18,694.54$ (893.30)$ -4.56% 31 750 1,010 20% 108,000 10,857.01$ 11,811.27$ 954.26$ 8.79% 27 750 1,010 35% 189,000 15,487.90$ 15,865.78$ 377.88$ 2.44% 28 750 1,010 50% 270,000 20,118.78$ 19,920.29$ (198.49)$ -0.99% 29 750 1,010 65% 351,000 24,749.66$ 23,974.80$ (774.86)$ -3.13% 30 750 1,010 80% 432,000 29,380.55$ 28,029.31$ (1,351.24)$ -4.60% 1 Idaho Power Company Weighted Monthly Average1 State of Idaho Typical Monthly Billing Comparison IPC-E-23-11 General Rate Case Filed June 1, 2023 Schedule 9, Large General Service - Secondary Exhibit No. 58 Case No. IPC-E-23-11 R. Thompson, IPC Page 4 of 7 (1) (2) (3) (4) Line Demand Load Energy Current Proposed Difference Percent No kW Factor kWh Rate Rate (2) - (1)Difference 1 10 20% 1,440 193.83$ 269.46$ 75.63$ 39.02% 2 10 35% 2,520 267.16$ 335.96$ 68.80$ 25.75% 3 10 50% 3,600 339.89$ 402.46$ 62.57$ 18.41% 4 10 65% 4,680 412.63$ 468.96$ 56.33$ 13.65% 5 10 80% 5,760 485.36$ 535.45$ 50.09$ 10.32% 6 50 20% 7,200 881.16$ 1,227.32$ 346.16$ 39.28% 7 50 35% 12,600 1,247.78$ 1,559.81$ 312.02$ 25.01% 8 50 50% 18,000 1,611.45$ 1,892.30$ 280.84$ 17.43% 9 50 65% 23,400 1,975.13$ 2,224.78$ 249.66$ 12.64% 10 50 80% 28,800 2,338.80$ 2,557.27$ 218.47$ 9.34% 11 100 20% 14,400 1,740.32$ 2,424.64$ 684.32$ 39.32% 12 100 35% 25,200 2,473.57$ 3,089.61$ 616.05$ 24.91% 13 100 50% 36,000 3,200.91$ 3,754.59$ 553.68$ 17.30% 14 100 65% 46,800 3,928.25$ 4,419.57$ 491.32$ 12.51% 15 100 80% 57,600 4,655.60$ 5,084.55$ 428.95$ 9.21% 16 300 20% 43,200 5,176.95$ 7,213.91$ 2,036.96$ 39.35% 17 300 35% 75,600 7,376.70$ 9,208.84$ 1,832.15$ 24.84% 18 300 50% 108,000 9,558.73$ 11,203.78$ 1,645.05$ 17.21% 19 300 65% 140,400 11,740.76$ 13,198.71$ 1,457.95$ 12.42% 20 300 80% 172,800 13,922.79$ 15,193.64$ 1,270.85$ 9.13% 21 500 20% 72,000 8,613.58$ 12,003.18$ 3,389.61$ 39.35% 22 500 35% 126,000 12,279.83$ 15,328.07$ 3,048.25$ 24.82% 23 500 50% 180,000 15,916.55$ 18,652.96$ 2,736.41$ 17.19% 24 500 65% 234,000 19,553.27$ 21,977.85$ 2,424.58$ 12.40% 25 500 80% 288,000 23,189.99$ 25,302.74$ 2,112.75$ 9.11% 26 750 20% 108,000 12,909.36$ 17,989.78$ 5,080.41$ 39.35% 27 750 35% 189,000 18,408.74$ 22,977.11$ 4,568.37$ 24.82% 28 750 50% 270,000 23,863.82$ 27,964.44$ 4,100.62$ 17.18% 29 750 65% 351,000 29,318.90$ 32,951.77$ 3,632.87$ 12.39% 30 750 80% 432,000 34,773.98$ 37,939.10$ 3,165.12$ 9.10% In-Season Schedule 24, Agricultural Irrigation Service - Secondary Idaho Power Company Typical Monthly Billing Comparison IPC-E-23-11 General Rate Case Filed June 1, 2023 State of Idaho Exhibit No. 58 Case No. IPC-E-23-11 R. Thompson, IPC Page 5 of 7 (1) (2) (3) (4) Line Demand Load Energy Current Proposed Difference Percent No kW Factor kWh Rate Rate 2-1 Difference 1 10 20% 1,440 117.18$ 111.12$ (6.06)$ -5.18% 2 10 35% 2,520 202.45$ 189.96$ (12.49)$ -6.17% 3 10 50% 3,600 287.71$ 268.80$ (18.91)$ -6.57% 4 10 65% 4,680 372.98$ 347.64$ (25.34)$ -6.79% 5 10 80% 5,760 458.24$ 426.48$ (31.76)$ -6.93% 6 50 20% 7,200 571.92$ 531.60$ (40.32)$ -7.05% 7 50 35% 12,600 998.24$ 925.80$ (72.44)$ -7.26% 8 50 50% 18,000 1,424.56$ 1,320.00$ (104.56)$ -7.34% 9 50 65% 23,400 1,850.88$ 1,714.20$ (136.68)$ -7.38% 10 50 80% 28,800 2,277.19$ 2,108.40$ (168.79)$ -7.41% 11 100 20% 14,400 1,140.35$ 1,057.20$ (83.15)$ -7.29% 12 100 35% 25,200 1,992.98$ 1,845.60$ (147.38)$ -7.40% 13 100 50% 36,000 2,845.62$ 2,634.00$ (211.62)$ -7.44% 14 100 65% 46,800 3,698.25$ 3,422.40$ (275.85)$ -7.46% 15 100 80% 57,600 4,550.89$ 4,210.80$ (340.09)$ -7.47% 16 300 20% 43,200 3,414.04$ 3,159.60$ (254.44)$ -7.45% 17 300 35% 75,600 5,971.94$ 5,524.80$ (447.14)$ -7.49% 18 300 50% 108,000 8,529.85$ 7,890.00$ (639.85)$ -7.50% 19 300 65% 140,400 11,087.75$ 10,255.20$ (832.55)$ -7.51% 20 300 80% 172,800 13,645.66$ 12,620.40$ (1,025.26)$ -7.51% 21 500 20% 72,000 5,687.73$ 5,262.00$ (425.73)$ -7.49% 22 500 35% 126,000 9,950.91$ 9,204.00$ (746.91)$ -7.51% 23 500 50% 180,000 14,214.08$ 13,146.00$ (1,068.08)$ -7.51% 24 500 65% 234,000 18,477.25$ 17,088.00$ (1,389.25)$ -7.52% 25 500 80% 288,000 22,740.43$ 21,030.00$ (1,710.43)$ -7.52% 26 750 20% 108,000 8,529.85$ 7,890.00$ (639.85)$ -7.50% 27 750 35% 189,000 14,924.61$ 13,803.00$ (1,121.61)$ -7.52% 28 750 50% 270,000 21,319.37$ 19,716.00$ (1,603.37)$ -7.52% 29 750 65% 351,000 27,714.13$ 25,629.00$ (2,085.13)$ -7.52% 30 750 80% 432,000 34,108.89$ 31,542.00$ (2,566.89)$ -7.53% IPC-E-23-11 General Rate Case Filed June 1, 2023 Schedule 24, Agricultural Irrigation Service - Secondary Out-of-Season Idaho Power Company State of Idaho Typical Monthly Billing Comparison Exhibit No. 58 Case No. IPC-E-23-11 R. Thompson, IPC Page 6 of 7 (1)(2)(3)(4) Line Demand Load Energy Current Proposed Difference Percent No kW Factor kWh Rate Rate (2) - (1)Difference 1 10 20% 1,440 104.84$ 128.86$ 24.02$ 22.91% 2 10 35% 2,520 157.70$ 177.31$ 19.61$ 12.43% 3 10 50% 3,600 210.37$ 225.75$ 15.39$ 7.31% 4 10 65% 4,680 263.03$ 274.20$ 11.17$ 4.24% 5 10 80% 5,760 315.70$ 322.64$ 6.95$ 2.20% 6 50 20% 7,200 485.53$ 588.31$ 102.78$ 21.17% 7 50 35% 12,600 749.84$ 830.54$ 80.69$ 10.76% 8 50 50% 18,000 1,013.17$ 1,072.77$ 59.59$ 5.88% 9 50 65% 23,400 1,276.50$ 1,314.99$ 38.49$ 3.02% 10 50 80% 28,800 1,539.83$ 1,557.22$ 17.39$ 1.13% 11 100 20% 14,400 961.39$ 1,162.61$ 201.23$ 20.93% 12 100 35% 25,200 1,490.02$ 1,647.07$ 157.06$ 10.54% 13 100 50% 36,000 2,016.68$ 2,131.53$ 114.86$ 5.70% 14 100 65% 46,800 2,543.33$ 2,615.99$ 72.66$ 2.86% 15 100 80% 57,600 3,069.99$ 3,100.45$ 30.45$ 0.99% 16 300 20% 43,200 2,864.83$ 3,459.84$ 595.01$ 20.77% 17 300 35% 75,600 4,450.71$ 4,913.21$ 462.50$ 10.39% 18 300 50% 108,000 6,030.69$ 6,366.59$ 335.90$ 5.57% 19 300 65% 140,400 7,610.67$ 7,819.97$ 209.30$ 2.75% 20 300 80% 172,800 9,190.65$ 9,273.35$ 82.70$ 0.90% 21 500 20% 72,000 4,768.27$ 5,757.06$ 988.79$ 20.74% 22 500 35% 126,000 7,411.41$ 8,179.36$ 767.95$ 10.36% 23 500 50% 180,000 10,044.71$ 10,601.65$ 556.94$ 5.54% 24 500 65% 234,000 12,678.01$ 13,023.95$ 345.94$ 2.73% 25 500 80% 288,000 15,311.31$ 15,446.25$ 134.94$ 0.88% 26 750 20% 108,000 7,147.57$ 8,628.59$ 1,481.02$ 20.72% 27 750 35% 189,000 11,112.28$ 12,262.04$ 1,149.75$ 10.35% 28 750 50% 270,000 15,062.23$ 15,895.48$ 833.25$ 5.53% 29 750 65% 351,000 19,012.18$ 19,528.92$ 516.75$ 2.72% 30 750 80% 432,000 22,962.12$ 23,162.37$ 200.24$ 0.87% 1 Weighted Average Monthly1 Idaho Power Company State of Idaho Typical Monthly Billing Comparison IPC-E-23-11 General Rate Case Filed June 1, 2023 Schedule 24, Agricultural Irrigation Service - Secondary Exhibit No. 58 Case No. IPC-E-23-11 R. Thompson, IPC Page 7 of 7