Attached files
| file | filename |
|---|---|
| 10-K - FORM 10-K - ORION ENERGY SYSTEMS, INC. | c65487e10vk.htm |
| EX-31.2 - EX-31.2 - ORION ENERGY SYSTEMS, INC. | c65487exv31w2.htm |
| EX-31.1 - EX-31.1 - ORION ENERGY SYSTEMS, INC. | c65487exv31w1.htm |
| EX-10.7 - EX-10.7 - ORION ENERGY SYSTEMS, INC. | c65487exv10w7.htm |
| EX-21.1 - EX-21.1 - ORION ENERGY SYSTEMS, INC. | c65487exv21w1.htm |
| EX-32.1 - EX-32.1 - ORION ENERGY SYSTEMS, INC. | c65487exv32w1.htm |
| EX-10.8 - EX-10.8 - ORION ENERGY SYSTEMS, INC. | c65487exv10w8.htm |
Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We have issued our reports dated July 22, 2011, with respect to the consolidated financial
statements, schedule and internal control over financial reporting included in the Annual Report of
Orion Energy Systems, Inc. and subsidiaries on Form 10-K for the year ended March 31, 2011. We
hereby consent to the incorporation by reference of said reports in the Registration Statement of
Orion Energy Systems, Inc. and subsidiaries 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
July 22, 2011
July 22, 2011