EXHIBIT 32.1

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER

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 Atlantic Green Power Holding Company (the “Company”) on Form 10-Q for the quarter ended March 31, 2011 (the “Report”), I, Robert Demos, Jr., President and Chief Executive Officer of the Company, do hereby certify, pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that to my knowledge:

(1) the Report fully complies with the requirements of §13(a) or 15(d) of the Securities Exchange Act of 1934, 15 U.S.C. §78m or 78o(d), and,

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

Dated: May 16, 2011                                                                     /s/ Robert Demos, Jr.                                                                      

Robert Demos, Jr.

President and Chief Executive Officer