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Home My WebLink About20230915IPC to Staff 305.pdf MEGAN GOICOECHEA ALLEN Corporate Counsel mgoicoecheaallen@idahopower.com September 15, 2023 VIA ELECTRONIC FILING Jan Noriyuki, Secretary Idaho Public Utilities Commission 11331 W. Chinden Blvd., Bldg 8, Suite 201-A (83714) PO Box 83720 Boise, Idaho 83720-0074 Re: Case No. IPC-E-23-11 Idaho Power Company’s General Rate Case Dear Ms. Noriyuki: Enclosed for electronic filing, please find Idaho Power Company’s Response to the Twenty-First Production Request of the Commission Staff to Idaho Power Company. Due to the collectively voluminous confidential and non-confidential information provided in response to data requests in this case, the Company is posting the attachments to these requests to the secure FTP site to allow parties to view the requested information remotely unless otherwise noted in the response. Because certain attachments contain confidential information, the FTP site is divided between confidential and non-confidential information. The login information for the non-confidential portion of the FTP site has been provided to all parties that have intervened to date. The login information for the confidential portion of the FTP site has been provided the parties that have executed the Protective Agreement in this matter. If you have any questions about the attached filing, please do not hesitate to contact me. Very truly yours, Megan Goicoechea Allen MGA:sg Enclosures RECEIVED 2023 SEPTEMBER 15, 2023 3:55PM IDAHO PUBLIC UTILITIES COMMISSION IDAHO POWER COMPANY’S RESPONSE TO THE TWENTY-FIRST PRODUCTION REQUEST OF THE COMMISSION STAFF - 1 LISA D. NORDSTROM (ISB No. 5733) DONOVAN E. WALKER (ISB No. 5921) MEGAN GOICOECHEA ALLEN (ISB No. 7623) Idaho Power Company 1221 West Idaho Street (83702) P.O. Box 70 Boise, Idaho 83707 Telephone: (208) 388-5825 Facsimile: (208) 388-6936 lnordstrom@idahopower.com dwalker@idahopower.com mgoicoecheaallen@idahopower.com Attorneys for Idaho Power Company BEFORE THE IDAHO PUBLIC UTILITIES COMMISSION IN THE MATTER OF THE APPLICATION OF IDAHO POWER COMPANY FOR AUTHORITY TO INCREASE ITS RATES AND CHARGES FOR ELECTRIC SERVICE IN THE STATE OF IDAHO AND FOR ASSOCIATED REGULATORY ACCOUNTING TREATMENT. ) ) ) ) ) ) ) ) CASE NO. IPC-E-23-11 IDAHO POWER COMPANY’S RESPONSE TO THE TWENTY- FIRST PRODUCTION REQUEST OF THE COMMISSION STAFF TO IDAHO POWER COMPANY COMES NOW, Idaho Power Company (“Idaho Power” or “Company”), and in response to the Twenty-First Production Request of the Commission Staff (“Commission” or “Staff”) dated September 8, 2023, herewith submits the following information: IDAHO POWER COMPANY’S RESPONSE TO THE TWENTY-FIRST PRODUCTION REQUEST OF THE COMMISSION STAFF - 2 REQUEST FOR PRODUCTION NO. 305: Please re-run the AURORA model and provide an updated Table 5 "2023 Base Level NPSE" contained in Brady's Direct Testimony with Bridger Units 1 and 2 converted to natural gas units by the end of 2023 and without Bridger Units I and 2 converted to natural gas units by the end of 2023, using the following system customer loads (note: loads should be converted to loads at input for purposes of NPSE). Please keep all other assumptions the same as proposed by the Company (note: Sales excluding Black Mesa is provided if required to exclude Black Mesa from NPSE). (000's kWh's) January February March April May June Total Firm Retail Sales 1,326,750 1,266,601 1,182,935 1,079,964 1,134,016 1,295,212 Total Firm Retail Sales (excl. Black Mesa) 1,323,283 1,261,403 1,174,689 1,069,723 1,121,826 1,284,963 (000's kWh's) July August September October November December Total Total Firm Retail Sales 1,594,187 1,694,539 1,563,052 1,175,638 1,111,551 1,251,372 15,675,816 Total Firm Retail Sales (excl. Black Mesa) 1,580,934 1,682,432 1,553,136 1,168,168 1,107,363 1,248,424 15,576,343 RESPONSE TO REQUEST FOR PRODUCTION NO. 305: Idaho Power has re- run the AURORA model using Staff’s forecast (grossed up for line losses) for the two requested scenarios: 1. Bridger Units 1 and 2 as natural gas. 2. Bridger Units 1 and 2 as coal. An updated Table 5 “2023 Base Level NPSE” has been re-calculated for each scenario and provided below. In addition, as requested by Staff, the Company is providing an updated version of Exhibit 30 to the Direct Testimony of Brady for each run as attachments to this response as follows: Attachment 1 is an updated Exhibit 30 based on the Bridger Gas scenario and Attachment 2 is an updated Exhibit 30 based on the Bridger Coal scenario. IDAHO POWER COMPANY’S RESPONSE TO THE TWENTY-FIRST PRODUCTION REQUEST OF THE COMMISSION STAFF - 3 1. 2023 Base Level NPSE Brid er Gas 95% Accounts with 95% recover in PCA 501, Coal $66,564,487 536, Water for Powe $0 547, Other Fuel $119,403,639 555, Non-PURPA Purchased Powe $97,532,136 565, Third Part Transmission $9,787,572 447, Surplus Sales $31,366,036 Net 95% Accounts $261,921,799 100% Accounts with 100% recover in PCA 555, PURP $214,448,755 555, Demand Response $10,240,003 Total $486,610,556 2. 2023 Base Level NPSE Brid er Coal 95% Accounts with 95% recover in PCA 501, Coal $94,953,646 536, Water for Powe $0 547, Other Fuel $123,504,824 555, Non-PURPA Purchased Powe $78,008,698 565, Third Part Transmission $5,572,802 447, Surplus Sales $40,116,810 Net 95% Accounts $261,923,160 100% Accounts with 100% recover in PCA 555, PURP $214,448,755 555, Demand Response $10,240,003 Total $486,611,917 The response to this Request is sponsored by Jessi Brady, Regulatory Analyst, Idaho Power Company.  IDAHO POWER COMPANY’S RESPONSE TO THE TWENTY-FIRST PRODUCTION REQUEST OF THE COMMISSION STAFF - 4 DATED at Boise, Idaho, this 15th day of September 2023. MEGAN GOICOECHEA ALLEN Attorney for Idaho Power Company LISA D. NORDSTROM Attorney for Idaho Power Company DONOVAN E. WALKER Attorney for Idaho Power Company IDAHO POWER COMPANY’S RESPONSE TO THE TWENTY-FIRST PRODUCTION REQUEST OF THE COMMISSION STAFF - 5 CERTIFICATE OF SERVICE I HEREBY CERTIFY that on the 15th day of September 2023, I served a true and correct copy of Idaho Power Company’s Response to the Twenty-First Production Request of the Commission Staff to Idaho Power Company upon the following named parties by the method indicated below, and addressed to the following: Commission Staff Dayn Hardie Chris Burdin Deputy Attorney General Idaho Public Utilities Commission 11331 W. Chinden Blvd., Bldg No. 8 Suite 201-A (83714) PO Box 83720 Boise, ID 83720-0074 Hand Delivered U.S. Mail Overnight Mail FAX FTP Site X Email Dayn.Hardie@puc.idaho.gov Chris.Burdin@puc.idaho.gov Clean Energy Opportunities for Idaho Kelsey Jae Law for Conscious Leadership 920 N. Clover Dr. Boise, ID 83703 Hand Delivered U.S. Mail Overnight Mail FAX FTP Site X Email Kelsey@kelseyjae.com Courtney White Mike Heckler Clean Energy Opportunities for Idaho 3778 Plantation River Drive, Suite 102 Boise, ID 83703 Hand Delivered U.S. Mail Overnight Mail FAX FTP Site X Email courtney@cleanenergyopportunities.com mike@cleanenergyopportunities.com Industrial Customers of Idaho Power Peter J. Richardson Richardson Adams, PLLC 515 N. 27th Street Boise, Idaho 83702 Hand Delivered U.S. Mail Overnight Mail FAX FTP Site X Email peter@richardsonadams.com IDAHO POWER COMPANY’S RESPONSE TO THE TWENTY-FIRST PRODUCTION REQUEST OF THE COMMISSION STAFF - 6 Dr. Don Reading 280 Silverwood Way Eagle, Idaho 83616 Hand Delivered U.S. Mail Overnight Mail FAX FTP Site X Email dreading@mindspring.com Idaho Irrigation Pumpers Association, Inc. Eric L. Olsen ECHO HAWK & OLSEN, PLLC 505 Pershing Avenue, Suite 100 P.O. Box 6119 Pocatello, Idaho 83205 Hand Delivered U.S. Mail Overnight Mail FAX FTP Site X Email elo@echohawk.com Lance Kaufman, Ph.D. 2623 NW Bluebell Place Corvallis, OR 97330 Hand Delivered U.S. Mail Overnight Mail FAX FTP Site X Email lance@aegisinsight.com Micron Technology, Inc. Austin Rueschhoff Thorvald A. Nelson Austin W. Jensen Holland & Hart, LLP 555 Seventeenth Street, Suite 3200 Denver, Colorado 80202 Hand Delivered U.S. Mail Overnight Mail FAX FTP Site X Email darueschhoff@hollandhart.com tnelson@hollandhart.com awjensen@hollandhart.com aclee@hollandhart.com clmoser@hollandhart.com Jim Swier Micron Technology, Inc. 8000 South Federal Way Boise, Idaho 83707 Hand Delivered U.S. Mail Overnight Mail FAX FTP Site X Email jswier@micron.com IDAHO POWER COMPANY’S RESPONSE TO THE TWENTY-FIRST PRODUCTION REQUEST OF THE COMMISSION STAFF - 7 City of Boise Ed Jewell Darrell Early Boise City Attorney’s Office 150 N. Capitol Blvd. Boise, ID 83701 Hand Delivered U.S. Mail Overnight Mail FAX FTP Site X Email ejewell@cityofboise.org dearly@cityofboise.org boca@cityofboise.org Wil Gehl Boise City Dept. of Public Works 150 N. Capitol Blvd. P.O. Box 500 Boise, Idaho 83701-0500 Hand Delivered U.S. Mail Overnight Mail FAX FTP Site X Email wgehl@cityofboise.org Idaho Conservation League Marie Callaway Kellner Idaho Conservation League 710 N. 6th Street Boise, Idaho 83702 Hand Delivered U.S. Mail Overnight Mail FAX FTP Site X Email mkellner@idahoconservation.org Brad Heusinkveld Idaho Conservation League 710 N. 6th Street Boise, Idaho 83702 Hand Delivered U.S. Mail Overnight Mail FAX FTP Site X Email bheusinkveld@idahoconservation.org IdaHydro C. Tom Arkoosh Arkoosh Law Offices 913 W. River Street, Suite 450 P.O. Box 2900 Boise, Idaho 83701 Hand Delivered U.S. Mail Overnight Mail FAX FTP Site X Email tom.arkoosh@arkoosh.com erin.cecil@arkoosh.com Federal Executive Agencies Peter Meier U.S. Department of Energy 1000 Independence Ave., S.W. Washington, DC 20585 Hand Delivered U.S. Mail Overnight Mail FAX FTP Site X Email peter.meier@hq.doe.gov IDAHO POWER COMPANY’S RESPONSE TO THE TWENTY-FIRST PRODUCTION REQUEST OF THE COMMISSION STAFF - 8 Dwight Etheridge Exeter Associates 5565 Sterrett Place, Suite 310 Columbia, MD 21044 Hand Delivered U.S. Mail Overnight Mail FAX FTP Site X Email detheridge@exeterassociates.com NW Energy Coalition F. Diego Rivas 1101 8th Ave Helena, MT 59601 Hand Delivered U.S. Mail Overnight Mail FAX FTP Site X Email diego@nwenergy.org Walmart Inc. Norman M. Semanko Parsons Behle & Latimer 800 West Main Street, Suite 1300 Boise, Idaho 83702 Hand Delivered U.S. Mail Overnight Mail FAX FTP Site X Email NSemanko@parsonsbehle.com Steve W. Chriss Director, Energy Services Walmart Inc. 2608 Southeast J Street Bentonville, Arkansas 72716 Hand Delivered U.S. Mail Overnight Mail FAX FTP Site X Email Stephen.Chriss@walmart.com Walmart Inc. Justina A. Caviglia Parsons Behle & Latimer 50 West Liberty Street, Suite 750 Reno, NV 89502 Hand Delivered U.S. Mail Overnight Mail FAX FTP Site X Email jcaviglia@parsonsbehle.com Stacy Gust, Regulatory Administrative Assistant