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Home My WebLink About20260916Notice_of_Schedule_Order_No_37170.pdf Office of the Secretary Service Date September 16,2026 BEFORE THE IDAHO PUBLIC UTILITIES COMMISSION IN THE MATTER OF IDAHO POWER ) CASE NO. IPC-E-26-07 COMPANY'S PETITION TO EVALUATE ) CLASS COST-OF-SERVICE ) NOTICE OF SCHEDULE METHODOLOGY, CONSIDER ) ALTERNATIVE CLASS COST-OF-SERVICE ) NOTICE OF PUBLIC COMMENT STUDIES,AND DETERMINE COST OF ) DEADLINE SERVICE CONSIDERATIONS FOR NEW ) LARGE-LOAD CUSTOMERS ) NOTICE OF TECHNICAL HEARING ORDER NO. 37470 On March 31, 2026, Idaho Power Company ("Company") petitioned the Idaho Public Utilities Commission ("Commission") requesting to initiate a docket to evaluate and develop a record on the Company's Class Cost-of-Service ("CCOS") methodology including consideration of alternative methodologies ("Petition"). On April 13, 2026, the Commission issued a Notice of Petition and Notice of Intervention Deadline. Order No. 36998. The Commission granted intervention to: Ruveon LLC, an affiliate of Bayer Corporation ("Bayer"), the city of Boise City ("Boise City" or "City"), Clean Energy Opportunities for Idaho ("CEO"),the United States Department of Energy, on behalf of itself and other federal executive agencies ("FEA"), Idaho Irrigation Pumpers Association, Inc. ("IIPA"), Industrial Customers of Idaho Power ("ICIP"), Micron Technology, Inc. ("Micron"), and the Northwest Energy Coalition("NWEC"). Order Nos. 36997, 37019, 37032, 37040, and 37052. The Commission issued a Notice of Parties on May 12, 2026, and an Amended Notice of Parties on June 1, 2026. At the Commission's August 11, 2026, decision meeting, Commission Staff ("Staff') recommended the Commission issue a Scheduling Order establishing: • September 23, 2026: Company Comments/Testimony/Proposal • November 25, 2026: Staff and Intervenor Comments/Testimony/Proposals • December 14, 2026: Public Comment Deadline • January 13, 2027: All Party Written Testimony NOTICE OF SCHEDULE NOTICE OF PUBLIC COMMENT DEADLINE NOTICE OF TECHNICAL HEARING ORDER NO. 37170 1 • Week of January 18, 2027: Technical Hearing at a time and place to be set by order of the Commission. o 30-minutes per party for opening statements/presentation of proposal o Questions to presenting party following opening statements o Witness testimony o Questions to witnesses NOTICE OF SCHEDULE YOU ARE HEREBY NOTIFIED that the Commission establishes the following procedural schedule: • September 23, 2026: Company Comments/Testimony/Proposal • November 25, 2026: Staff and Intervenor Comments/Testimony/Proposals • December 14, 2026: Public Comment Deadline • January 13, 2027: All Party Written Testimony • January 19, 2027: Technical Hearing starting at 8:00 a.m. (MST) and ending at 5:00 p.m. • January 20-21, 2027: Technical Hearing continued as needed starting at 8:00 a.m. (MST), and ending at 5:00 p.m. NOTICE OF PUBLIC COMMENT DEADLINE YOU ARE FURTHER NOTIFIED that the Commission seeks comments from the public on the Application. Persons desiring to state a position on the Application may file a written comment explaining why the person supports or opposes the Application. Persons must file comments by December 14,2026. Comments must be filed through the Commission's website or by e-mail unless computer access is unavailable. To comment electronically, please access the Commission's home page at www.puc.idaho.gov. Click the"Case Comment Form" and complete the form using the case number as it appears on the front of this document. YOU ARE FURTHER NOTIFIED that to file by e-mail, persons must e-mail the comments to the Commission Secretary and the Company at the e-mail addresses listed below. Persons submitting a comment by e-mail must provide their name, address, and the Case Number under which they are commenting. Persons submitting a comment by e-mail also acknowledge that submitting a comment in an open case constitutes a public record under Idaho Code § 74-101 (13), and all information provided by such person is available for public and media inspection. YOU ARE FURTHER NOTIFIED that if computer access is unavailable, then comments may be mailed to the Commission and Company at the addresses below. Persons submitting a NOTICE OF SCHEDULE NOTICE OF PUBLIC COMMENT DEADLINE NOTICE OF TECHNICAL HEARING ORDER NO. 37170 2 comment by mail must provide their name, address, and the Case Number under which they are commenting. Persons submitting a comment by mail also acknowledge that submitting a comment in an open case constitutes a public record under Idaho Code § 74-101 (13), and all information provided by such person is available for public and media inspection. For the Commission: For the Company: Commission Secretary Megan Goicoechea Allen Idaho Public Utilities Commission Lisa Lance P.O. Box 83720 Timothy Tatum Boise, ID 83720-0074 Grant T. Anderson secretM(kpuc.idaho.gov 1221 West Idaho Street(83702) P.O. Box 70 Boise, ID 83707 mgoicoecheaallengidahopower.com llancegidahopower.com ttatumkidahopower.com ganderson(k idahopower.c om dockets(kidahopower.com NOTICE OF TECHNICAL HEARING YOU ARE HEREBY NOTIFIED that the Commission will conduct a technical hearing in this matter on Tuesday,January 19,2027,starting at 8:00 a.m.(MST) and ending at 5:00 p.m. The technical hearing shall continue as necessary, Wednesday, January 20, 2027, and Thursday January 21,2027,starting at 8:00 a.m.(MST)and ending at 5:00 p.m.The technical hearing will be held at the Idaho Public Utilities Commission, 11331 W. Chinden Boulevard, Building 8, Suite 201-A,Boise,ID 83714. A technical hearing is an opportunity for the parties to the case to present witnesses,testimony, and exhibits. IDAPA 31.01.01.241.04. Persons interested in listening to or watching the testimony and presentations at the technical hearing may attend the meeting using the information below: NOTICE OF SCHEDULE NOTICE OF PUBLIC COMMENT DEADLINE NOTICE OF TECHNICAL HEARING ORDER NO. 37170 3 Day Scheduled To participate online: To participate by time MST telephone: January 19, 2027 8:00 a.m. — To participate online, please visit To participate over the 5:00 p.m. teams.live.com and click on the "Join phone,please call 1-208- a meeting" option. Next, type 225 871 985-2810 and enter meeting January 20-21, 2027 298 0441 in the Meeting ID window. number 433 809 590#when (As Needed) Then type ik9j6xC7 in the Meeting prompted. passcode window. YOU ARE FURTHER NOTIFIED that all hearings and prehearing conferences in this matter will be held in facilities meeting the accessibility requirements of the Americans with Disabilities Act ("ADA"). Persons needing the help of a sign language interpreter or other assistance in order to participate in or to understand testimony and argument at a public hearing may ask the Commission to provide a sign language interpreter or other assistance at the hearing. The request for assistance must be received at least five working days before the hearing by contacting the Commission Secretary at: IDAHO PUBLIC UTILITIES COMMISSION PO BOX 83720 BOISE, IDAHO 83720-0074 Telephone: (208) 334-0338 Facsimile: (208) 334-3762 Email: secretary(kpuc.idaho.gov YOU ARE FURTHER NOTIFIED that the record in this matter is available for public inspection during regular business hours at the Commission's office. These documents are also available on the Commission's website at www.puc.idaho.gov. Click on the "ELECTRIC" icon, select"Open Cases," and click on the case number as shown on the front of this document. YOU ARE FURTHER NOTIFIED that all testimony and exhibits in this matter must comport with the requirements of Commission Rules of Procedure 231 and 267. IDAPA 31.01.01.231 and .267. YOU ARE FURTHER NOTIFIED that all proceedings in this matter will be conducted pursuant to the Commission's Rules of Procedure, IDAPA 31.01.01.000, et seq. NOTICE OF SCHEDULE NOTICE OF PUBLIC COMMENT DEADLINE NOTICE OF TECHNICAL HEARING ORDER NO. 37170 4 ORDER IT IS HEREBY ORDERED that the procedural schedule set forth above is approved. IT IS FURTHER ORDERED that the Commission will conduct a technical hearing in this matter on Tuesday, January 19, 2027, starting at 8:00 a.m. (MST) and ending at 5:00 p.m. The technical hearing shall continue as necessary each day, Wednesday, January 20, 2027, and Thursday, January 21, 2027, starting at 8:00 a.m. (MST) and ending at 5:00 p.m. The technical hearing will be held at the Idaho Public Utilities Commission, 11331 W. Chinden Boulevard, Building 8, Suite 201-A, Boise, ID 83714. IT IS FURTHER ORDERED that parties comply with Order No. 35375, issued April 21, 2022. Generally, all pleadings should be filed with the Commission electronically and will be deemed timely filed when received by the Commission Secretary.See Rule 14.02. Service between parties should continue to be accomplished electronically when possible. However, voluminous discovery-related documents may be filed and served on CD-ROM or a USB flash drive. DONE by Order of the Idaho Public Utilities Commission at Boise, Idaho this 16th day of September 2026. G EDWARD LODGE, PR J IDENT J R. HAMMOND JR., COMMISSIONER 1 DAYN HA IE, COMMISSIONER ATTEST: o i a anchez Commission Secretary I:LegaRELECTRIC\IPC-E-26-07_CCOS\orders\IPCE2607_Ntc_Sched_M.docx NOTICE OF SCHEDULE NOTICE OF PUBLIC COMMENT DEADLINE NOTICE OF TECHNICAL HEARING ORDER NO. 37170 5