MANITOWOC, Wis., Oct 20, 2010 (GlobeNewswire via COMTEX News Network) -- Orion Energy Systems, Inc. (NYSE Amex:OESX), a leading power technology enterprise, announced today that it will hold its second quarter fiscal 2011 quarterly results conference call for investors and analysts on Tuesday, October 26, at 5:00 p.m. Eastern (4:00 p.m. Central). The earnings announcement is scheduled for release at 4:00 p.m. Eastern. Orion's Chief Executive Officer, Neal Verfuerth, and Chief Financial Officer, Scott Jensen, will host the conference call.

The details of the webcast and conference call are as follows:

Date: Tuesday, October 26, 2010

Time: 5:00 p.m. Eastern

Access by conference call:

Domestic callers: Dial (877) 754-5294

International callers: Dial (678) 894-3013

Access by webcast:

Go to the Investor Relations section of Orion Energy Systems' website at http://investor.oriones.com/events.cfm for a live webcast link. To ensure a timely connection, it is recommended that users register at least 15 minutes prior to the scheduled webcast.

An audio replay of the earnings conference call will be available shortly after the call and will remain available through November 2, 2010. The replay can be accessed by dialing (800) 642-1687. International callers should dial (706) 645-9291. The replay pass code for all callers is 19960321.

Orion Energy Systems, Inc. (NYSE Amex:OESX) is a leading power technology enterprise that designs, manufactures and deploys energy management systems, consisting primarily of high-performance, energy-efficient lighting platforms, intelligent wireless control systems and direct renewable solar technology for commercial and industrial customers without compromising their operations. For more information, visit www.oesx.com. Follow us on Twitter, Facebook or YouTube.

The Orion Energy Systems, Inc. logo is available at http://www.globenewswire.com/newsroom/prs/?pkgid=4540

This news release was distributed by GlobeNewswire, www.globenewswire.com

SOURCE: Orion Energy Systems, Inc.

CONTACT:  FD
Victoria Sivrais
(312) 553-6715
Orion Energy Systems
Scott Jensen, Chief Financial Officer
(920) 892-5454

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