Exhibit 32.1

CERTIFICATIONS 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 Annual Report of Comverge, Inc., a Delaware corporation (the “Company”), on Form 10-K for the year ended December 31, 2008, as filed with the Securities and Exchange Commission (the “Report”), Robert M. Chiste, Chief Executive Officer of the Company, does hereby certify, pursuant to 18 U.S.C. §1350 as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. §1350), that:

(1) The Report fully complies with the requirements of section 13(a) or 15(d) 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/ Robert M. Chiste

Robert M. Chiste

Chairman, President and Chief Executive Officer

March 10, 2009

[A signed original of this written statement required by Section 906 has been provided to Comverge, Inc. and will be retained by Comverge, Inc. and furnished to the Securities and Exchange Commission or its staff upon request.]