Exhibit 23.1
INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM’S CONSENT
We consent to the incorporation by reference in this Registration Statement of Beacon Power Corporation on Form S-3 of our report dated March 16, 2011 (which report expresses an unqualified opinion and includes an explanatory paragraph relating to a going concern uncertainty), appearing in the Annual Report on Form 10-K of Beacon Power Corporation for the year ended December 31, 2010 and to the reference to us under the heading “Experts” in the Prospectus, which is part of this Registration Statement.
/s/ Miller Wachman LLP
Boston, Massachusetts
April 27, 2011
