Docket No:  UE 462 Docket Name:  IDAHO POWER 2026 ANNUAL POWER COST UPDATE Submit Public Comment * This docket is a contested case. See the Internal Operating Guidelines and OAR 860-001 Subject Company:  IDAHO POWER COMPANY     In the Matter of IDAHO POWER COMPANY, 2026 Annual Power Cost Update. Filed by Michael Highfill. Copies served to Electric List. Filing Date:  10/31/2025 Advice No: 26-07       Effective:  6/1/2026 Expiration:   Status:  ACCEPTED Order:  26-175 Order Signed:  5/21/2026   Email Service List (semi-colon delimited)      Email Service List (comma delimited)   If you experience problems with the above 'Email Service List' links, please try one of these: Service List Popup (semi-colon delimited)     Service List Popup (comma delimited)

ACTIONS SERVICE LIST SCHEDULE Public Comments Date/Time Event Description 6/1/2026 EFFECTIVE DATE/ STATUTORY DEADLINE Effective Date 6/1/2026 EFFECTIVE DATE/ STATUTORY DEADLINE 5/6/2026 3:00:00 PM STIPULATION DUE Stipulation and supporting documents, or a status update due by 3pm 4/1/2026 SETTLEMENT CONFERENCE Settlement Conference specifics TBD. 3/25/2026 3:00:00 PM MISCELLANEOUS Idaho Power March Forecast due by 3pm. 2/24/2026 3:00:00 PM TESTIMONY/EXHIBITS DUE Company Reply Testimony due by 3pm. 2/24/2026 MISCELLANEOUS Reply time for requests reduced to 7 calendar days 2/10/2026 SETTLEMENT CONFERENCE Settlement Conference to be held on Feb 10 or 12 specifics TBD. 1/27/2026 3:00:00 PM TESTIMONY/EXHIBITS DUE Staff and Intervenor Opening Testimony due by 3pm. 12/2/2025 3:00:00 PM COMMENTS/RESPONSES DUE Parties' jointly proposed schedule or a request for prehearing conference due.