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Home My WebLink About20251029Notice of Deposition.pdf RECEIVED OCTOBER 29, 2025 IDAHO PUBLIC UTILITIES COMMISSION C. Tom Arkoosh, ISB No. 2253 Nicholas J. Erekson,ISB No. 9325 ARKOOSH LAW OFFICES 913 W. River Street, Suite 450 P.O. Box 2900 Boise, ID 83701 Telephone: (208) 343-5105 Facsimile: (208) 343-5456 Email: tom.arkooshkarkoosh.com nick.erekson(a,arkoo sh.com Admin copy: erin.cecil&arkoosh.com Attorneys for IdaHydro BEFORE THE IDAHO PUBLIC UTILITIES COMMISSION IN THE MATTER OF THE APPLICATION ) Case No. IPC-E-25-22 OF IDAHO POWER COMPANY FOR ) AUTHORITY TO UPDATE ITS ) NOTICE OF DEPOSITION OF IDAHO OPERATION AND MAINTENANCE ) POWER COMPANY PURSUANT TO CHARGES APPLICABLE TO SCHEDULE ) IDAPA 31.01.01.224 72, GENERATOR INTERCONNECTIONS ) TO PURPA QUALIFYING FACILITY ) SELLERS. ) PLEASE TAKE NOTICE that pursuant to IDAPA 31.01.01.224 and Idaho Code § 61-605, the Idaho Hydroelectric Power Producers Trust, d/b/a IdaHydro, by and through its counsel, C. Tom Arkoosh and Nicholas J. Erekson of Arkoosh Law Offices,will take the deposition upon oral examination of Idaho Power Company's ("Idaho Power") designated corporate representative(s) ("Designated Representative") at the following time and place: Date: November 18, 2025 Time: 9:00 a.m. (Mountain Time) Location:Arkoosh Law Offices, 913 W. River Street, Suite 450, Boise, ID 83702 TOPICS FOR THE DEPOSITION OF IDAHO POWER'S DESIGNATED REPRESENTATIVE Pursuant to IDAPA 31.01.01.224, I.C. § 61-605, and I.R.C.P. 30(b)(6), Idaho Power must designate a representative to testify regarding the following matters: 1. Segregation of Interconnection Costs. How interconnection-related capital and operations and maintenance ("O&M") costs are recorded, allocated, or segregated from other NOTICE OF DEPOSITION OF IDAHO POWER COMPANY PURSUANT TO IDAPA 31.01.01.224—Page 1 generation, transmission, or distribution costs, including the use of FERC or internal account codes. 2. Inclusion of Interconnection Costs in Avoided Cost Methodologies. Whether, how, and to what extent such costs were considered or embedded in the Surrogate Avoided Resource ("SAR") and Incremental Cost Integrated Resource Plan("ICIRP") methodologies. 3. Assumptions Regarding Avoided O&M. All assumptions or data used to model avoided O&M. 4. Consistency Between Avoided Cost Rates and Schedule 72 Charges. Any reconciliation or cross-check comparing (1) O&M cost paid to QFs as avoided costs to (2) the current or proposed tariffs in Schedule 72. 5. Preparation of Supplemental Discovery Responses. The personnel, process, and rationale for revising Idaho Power's Supplemental Response to Interrogatory No. 8. 6. Model Accuracy and Validation. Data, testing, or validation performed to confirm accuracy of existing and proposed O&M cost models. 7. Distinction Between Gen-Tie and Four-Pole Interconnections. Technical and cost differences, ownership responsibilities, and O&M treatment for each under Schedule 72. 8. Potential Transition to an Actual Cost Model. Idaho Power's consideration, analysis, or evaluation of transitioning from an "average" or modeled O&M charge to an actual cost-based approach, including any internal studies, feasibility assessments, or prior discussions with the Commission or stakeholders regarding such a transition. DATED this 29t" day of October 2025. ARKOOSH LAW OFFICES Nicholas J. rekson Attorneys for MaHydro NOTICE OF DEPOSITION OF IDAHO POWER COMPANY PURSUANT TO IDAPA 31.01.01.224—Page 2 CERTIFICATE OF SERVICE I HEREBY CERTIFY that on the 29t' day of October 2025, I served a true and correct copy of the foregoing document(s) upon the following person(s), in the manner indicated: IDAHO PUBLIC UTILITIES U.S. Mail, Postage Prepaid COMMISSION: Overnight Courier Commission Secretary Hand Delivered Idaho Public Utilities Commission Via Facsimile 11331 W. Chinden Blvd., Building 8, X_ E-mail: Suite 201-A (83714) secretgakpuc.idaho.gov P.O. Box 83720 Boise, ID 83720-0074 IDAHO PUBLIC UTILITIES U.S. Mail, Postage Prepaid COMMISSION STAFF: Overnight Courier Jeff Loll Hand Delivered Deputy Attorney General Via Facsimile Idaho Public Utilities Commission X_ E-mail: 11331 W. Chinden Blvd., Building 8, jeff.loll(a�uc.idaho.gov Suite 201-A (83714) P.O. Box 83720 Boise, ID 83720-0074 IDAHO POWER: Donovan E. Walker U.S. Mail, Postage Prepaid IPC Dockets Overnight Courier Idaho Power Company Hand Delivered 1221 W. Idaho Street(83702) Via Facsimile P.O. Box 70 X E-mail: Boise, ID 83707 dwalker(cidahopower.com dockets&idahopower.com Tim Tatum U.S. Mail, Postage Prepaid Riley Maloney Overnight Courier Idaho Power Company Hand Delivered 1221 W. Idaho Street(83702) Via Facsimile P.O. Box 70 X_ E-mail: Boise, ID 83707 ttatum(d),idahopower.com rmaloney&idahopower.com NOTICE OF DEPOSITION OF IDAHO POWER COMPANY PURSUANT TO IDAPA 31.01.01.224—Page 3 RENEWABLE ENERGY U.S. Mail, Postage Prepaid COALITION: Overnight Courier Irion Sanger Hand Delivered Sanger Greene, P.C. Via Facsimile 4031 SE Hawthorne Blvd. X_ E-mail: irionksanger-law.com Portland, OR 97214 Nicholas J. Erekson NOTICE OF DEPOSITION OF IDAHO POWER COMPANY PURSUANT TO IDAPA 31.01.01.224—Page 4