Attached files

file filename
10-K/A - FORM 10-K/A - ORION ENERGY SYSTEMS, INC.d365438d10ka.htm
EX-31.2 - EX-31.2 - ORION ENERGY SYSTEMS, INC.d365438dex312.htm
EX-31.1 - EX-31.1 - ORION ENERGY SYSTEMS, INC.d365438dex311.htm
EX-32.1 - EX-32.1 - ORION ENERGY SYSTEMS, INC.d365438dex321.htm
EX-23.1 - EX-23.1 - ORION ENERGY SYSTEMS, INC.d365438dex231.htm

Exhibit 23.2

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We have issued our report dated July 22, 2011 (except for Note J, as to which the date is June 14, 2012), with respect to the consolidated financial statements and schedule included in the Annual Report of Orion Energy Systems, Inc. on Form 10-K/A for the years ending March 31, 2010 and 2009. We hereby consent to the incorporation by reference of said report in the Registration Statements of Orion Energy Systems, Inc. on Forms S-8 (File No. 333-169611, effective September 28, 2010 and File No. 333-148401, effective December 28, 2007).

/s/ GRANT THORNTON LLP

Milwaukee, Wisconsin

June 14, 2012