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Home My WebLink About20240927IPC to Staff 5 - Fourth Supplemental.pdf —�IQAFIO Re MEGAN GOICOECHEA ALLEN Corporate Counsel mgoicoecheaallen(aD_idahopower.com RECEIVED Friday, September 27, 2024 IDAHO PUBLIC September 27, 2024 UTILITIES COMMISSION VIA ELECTRONIC FILING Commission 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-24-07 Application of Idaho Power Company for Authority to Increase Rates for Electric Service to Recover Costs Associated with Incremental Capital Investments and Certain Ongoing Operations and Maintenance Expenses Dear Commission Secretary: Attached for electronic filing, please find Idaho Power Company's Fourth Supplemental Response to the Second 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 will be provided to the parties that execute the Protective Agreement in this matter. If you have any questions about the attached filing, please do not hesitate to contact me. Sincerely, Megan Goicoechea Allen MGA:cd Attachments CERTIFICATE OF ATTORNEY ASSERTION THAT INFORMATION CONTAINED IN AN IDAHO PUBLIC UTILITIES COMMISSION FILING IS PROTECTED FROM PUBLIC INSPECTION Case No. IPC-E-24-07 Idaho Power Company's Application for Authority to Increase Rates for Electric Service to Recover Costs Associated with Incremental Capital Investments and Certain Ongoing Operations and Maintenance Expenses The undersigned attorney, in accordance with Commission Rules of Procedure 67, believes that the attachments to Idaho Power Company's Fourth Supplemental Response to the Second Production Request of the Commission Staff dated September 27, 2024, contains information that Idaho Power Company and a third party claim are confidential public records exempt from disclosure by state or federal law (material nonpublic information under U.S. Securities and Exchange Commission Regulation FD) as described in Idaho Code§ 74-101, et seq., and/or§48-801, et seq. As such, it is protected from public disclosure and exempt from public inspection, examination, or copying. DATED this 27th day of September 2024. Awr I W&C A 0& Megan Goicoechea Allen Attorney for Idaho Power Company 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 Inordstrom(a)_idahopower.com dwalker idahopower.com mgoicoecheaallen(o)_idahopower.com Attorneys for Idaho Power Company BEFORE THE IDAHO PUBLIC UTILITIES COMMISSION IN THE MATTER OF THE ) APPLICATION OF IDAHO POWER ) CASE NO. IPC-E-24-07 COMPANY TO INCREASE RATES FOR ) ELECTRIC SERVICE TO RECOVER ) IDAHO POWER COMPANY'S COSTS ASSOCIATED WITH ) FOURTH SUPPLEMENTAL INCREMENTAL CAPITAL ) RESPONSE TO THE SECOND INVESTMENTS AND CERTAIN ) PRODUCTION REQUEST OF THE ONGOING OPERATIONS AND ) COMMISSION STAFF TO IDAHO MAINTENANCE EXPENSES. ) POWER COMES NOW, Idaho Power Company ("Idaho Power" or "Company"), and in response to the Second Production Request of the Commission Staff ("Commission" or "Staff") to Idaho Power Company dated June 21, 2023, herewith submits the following information: IDAHO POWER COMPANY'S FOURTH SUPPLEMENTAL RESPONSE TO THE SECOND PRODUCTION REQUEST OF THE COMMISSION STAFF TO IDAHO POWER - 1 REQUEST FOR PRODUCTION NO. 5: Please provide an Excel spreadsheet with formulas intact and enabled showing all capital projects that make up the $860,366,584 of Capital Project Cost the Company is proposing for recovery in this case. For each project, please include the following: a. Plant Account Description (Such as "Intangible Plant", "Hydro Production Plant", etc. as shown in Larkin's Workpaper No. 3, page 1); b. Project Type Description (As shown in Larkin's Workpaper No. 3, page 8— Column 2); c. Project ID/Unique Project Identifier; d. Project Name/Title; e. Detailed Project Description; f. Business Need; g. Actual Project Start Date; h. Anticipated/Actual In-Service Date; i. Budgeted Cost by Year; j. Annual Actual Project Cost to Date (Broken out by year); k. Cost Benefit Analysis Completed (Yes/No); I. Request for Proposal Completed (Yes/No); m. Wildfire Mitigation Related (Yes/No); and n. Grant Funding Awarded (Yes/No). FOURTH SUPPLEMENTAL RESPONSE TO REQUEST FOR PRODUCTION NO. 5: Please see the Fourth Supplemental Response to Request for Production No. 5 — Confidential Attachment 1 for a list of all capital projects that have been placed in- IDAHO POWER COMPANY'S FOURTH SUPPLEMENTAL RESPONSE TO THE SECOND PRODUCTION REQUEST OF THE COMMISSION STAFF TO IDAHO POWER - 2 service during the January 1 , 2024, through August 31, 2024, time period, with the inclusion on the Work Orders by Plant Type — BID tab of the functional plant type. The column "Functional Plant Type" indicates the category for each Budget ID listed in the "BUDGET_ID" column. The numerical Project Type can be found in Excel Column B, "PROJECT TYPE," indicating the Project Type assigned to the Budget ID as a whole (i.e., the Project Type that reflects the primary function of the Budget ID). A key that ties the numeric Project Type to the Functional Plant Type can be found in the "Functional Plant Type" tab. In addition, Idaho Power added to the Work Orders by Plant Type — BID tab an indicator to identify the blanket Budget IDs. This can be found in Excel Column K, titled "BLANKET BUDGET ID." Blanket Budget IDs are indicated by a "Yes" in this column, while the column is blank for non-blanket Budget IDs. It should also be noted that the Company has categorized programs (e.g., underground cable replacement) as blanket Budget IDs for the purpose of this response. In addition, please see the Fourth Supplemental Response to Request for Production No. 5 — Confidential Attachment 2 for the 2024 plant closings tracker, comparing the forecasted plant closings through August 2024 used to develop the 2024 test year in this case, to the actual closings through August 2024. The response to this Request is sponsored by Matt Larkin, Revenue Requirement Senior Manager, Idaho Power Company. IDAHO POWER COMPANY'S FOURTH SUPPLEMENTAL RESPONSE TO THE SECOND PRODUCTION REQUEST OF THE COMMISSION STAFF TO IDAHO POWER - 3 DATED at Boise, Idaho, this 27th day of September 2024. 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 FOURTH SUPPLEMENTAL RESPONSE TO THE SECOND PRODUCTION REQUEST OF THE COMMISSION STAFF TO IDAHO POWER -4 CERTIFICATE OF SERVICE I HEREBY CERTIFY that on the 27th day of September 2024, 1 served a true and correct copy of Idaho Power Company's Fourth Supplemental Response to the Second Production Request of the Commission Staff to Idaho Power upon the following named parties by the method indicated below, and addressed to the following: Commission Staff Hand Delivered Chris Burdin U.S. Mail Deputy Attorney General Overnight Mail Idaho Public Utilities Commission FAX 11331 W. Chinden Blvd., Bldg No. 8 FTP Site Suite 201-A (83714) X Email Chris.Burdin(a-),puc.idaho.gov PO Box 83720 Boise, ID 83720-0074 Industrial Customers of Idaho Power Hand Delivered Peter J. Richardson U.S. Mail Richardson Adams, PLLC Overnight Mail 515 N. 27t" Street FAX Boise, Idaho 83702 FTP Site X Email peter _richardsonadams.com Dr. Don Reading Hand Delivered 280 Silverwood Way U.S. Mail Eagle, Idaho 83616 Overnight Mail FAX FTP Site X Email dread ing(@ mindspring.com Idaho Irrigation Pumpers Association, Hand Delivered Inc. U.S. Mail Eric L. Olsen Overnight Mail ECHO HAWK & OLSEN, PLLC FAX 505 Pershing Avenue, Suite 100 FTP Site P.O. Box 6119 X Email elo(o)_echohawk.com Pocatello, Idaho 83205 Lance Kaufman, Ph.D. Hand Delivered 2623 NW Bluebell Place U.S. Mail Corvallis, OR 97330 Overnight Mail FAX FTP Site X Email lance aegisinsight.com IDAHO POWER COMPANY'S FOURTH SUPPLEMENTAL RESPONSE TO THE SECOND PRODUCTION REQUEST OF THE COMMISSION STAFF TO IDAHO POWER - 5 Idaho Conservation League Hand Delivered Matthew Nykiel U.S. Mail 710 N. 6t" Street Overnight Mail Boise, Idaho 83702 FAX FTP Site X Email Matthew.n kiel mail.com Brad Heusinkveld Hand Delivered Idaho Conservation League U.S. Mail 710 N. 6t" Street Overnight Mail Boise, Idaho 83702 FAX FTP Site X Email bheusinkveld(a)_idahoconservation.org C9 >- - Christy Davenport Legal Administrative Assistant IDAHO POWER COMPANY'S FOURTH SUPPLEMENTAL RESPONSE TO THE SECOND PRODUCTION REQUEST OF THE COMMISSION STAFF TO IDAHO POWER - 6