Exhibit 32.4

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Idaho Power Company (the "Company") on Form 10-Q for the quarter ended March 31, 2024 (the "Report"), I, Brian R. Buckham, Senior Vice President, Chief Financial Officer, and Treasurer of the Company, certify that:

(1)The Report fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934; and

(2)The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Brian R. Buckham

Brian R. Buckham

Senior Vice President, Chief Financial Officer, and Treasurer

May 2, 2024