Idaho Power Bennett Gas Expansion 167 MW Approved

Office of the Secretary Service Date April 7, 2026

BEFORE THE IDAHO PUBLIC UTILITIES COMMISSION

IN THE MATTER OF IDAHO POWER ) CASE NO. IPC-E-25-29 COMPANY'S APPLICATION FOR A ) CERTIFICATE NO. 567 CERTIFICATE OF PUBLIC CONVENIENCE ) AND NECESSITY FOR THE BENNETT GAS ) EXPANSION PROJECT AND FOR AN ) ASSOCIATED ACCOUNTING ORDER ) ) On September 19, 2025, Idaho Power Company filed an Application for a Certificate of

Public Convenience and Necessity for the expansion of the existing Bennett Mountain Power Plant to include the addition of a natural gas-fueled facility providing up to 167 megawatts of generation (Bennett Gas Expansion Project") to meet an identified capacity deficit in 2028. IT IS HEREBY CERTIFIED that public convenience and necessity requires Idaho Power Company authorization to expand the existing Bennett Mountain Power Plant in Mountain Home, Idaho, to include the addition of the Bennett Gas Expansion Project as described in the Company's Application in this case; to exercise all rights and privileges which have been granted to said Idaho Power Company, its successors and assigns by any franchise or permit conferred or hereafter conferred upon said Idaho Power Company, its successors and assigns by any city or village or by any county or by the State of Idaho or by any political subdivision thereof. This certificate is predicated upon and issued pursuant to the findings and order of this Commission, the same being Order No. 36958 in the above-entitled matter made and entered on the 10 day of March, 2026. th

CERTIFICATE NO. 567 1

DATED at Boise, Idaho this 7 day of April, 2026. th __________________________________________ EDWARD LODGE, PRESIDENT __________________________________________ JOHN R. HAMMOND JR., COMMISSIONER __________________________________________ DAYN HARDIE, COMMISSIONER ATTEST: Monica Barrios-Sanchez Commission Secretary I:\Legal\ELECTRIC\IPC-E-25-29Bennett Gas CPCN\IPCE2529Cert 567_kh.docx

CERTIFICATE NO. 567 2