Exhibit 32

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CERTIFICATION OF THE CHIEF EXECUTIVE OFFICER AND THE CHIEF FINANCIAL OFFICER

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PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

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In connection with the quarterly report of Capstone Green Energy Holdings, Inc. (the “Company”) on Form 10-Q for the quarter ended June 30, 2023, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), Vince J. Canino, as Chief Executive Officer of the Company, and John J. Juric, as Chief Financial Officer of the Company, each hereby certifies, pursuant to 18 U.S.C. Sec. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

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1. The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

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

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