MANITOWOC, Wis., Mar 17, 2009 (GlobeNewswire via COMTEX News Network) -- Orion Energy Systems Inc. (Nasdaq:OESX), an innovator in energy-efficient technologies, has been invited to present on March 24 at Sidoti and Company's 13th annual Emerging Growth Institutional Investor Forum in New York City.

Orion will be represented by Chief Operating Officer Erik Birkerts, who will speak at 2:05 p.m. Birkerts' presentation will focus on the opportunity the energy-efficiency market presents and how Orion targets that opportunity with its integrated management platform. There will be a breakout session following his presentation.

The event will be held at The Grand Hyatt Hotel in New York City.

"This event presents a great opportunity for investors to learn both about the energy efficiency market and Orion's innovative technologies and business model for targeting this market opportunity," Birkerts said. "Energy efficiency is a sustainable and immediate way to positively impact the energy crisis in the U.S. today. Companies like Orion that manufacture energy-efficient technologies have large market potential as customers continue to seek energy-saving and environmentally friendly solutions for their operations and as utilities increasingly seek cost-effective alternatives to building new generation capacity."

Sidoti and Company is the largest and fastest-growing small cap equity research provider on Wall Street. Its analysts provide institutional-quality research on more than 500 equities in more than 30 industries, focusing on undiscovered and profitable companies at a market capitalization below $3 billion.

Orion Energy Systems Inc. (Nasdaq:OESX) is a leading power technology enterprise that designs, manufactures and implements energy management systems, consisting primarily of high-performance, energy-efficient lighting systems, controls and related services for commercial and industrial customers without compromising their quantity or quality of light. Orion has deployed its energy management systems in 4,387 facilities across North America. Since 2001, Orion technology has displaced more than 422 megawatts, saving customers more than $514 million and reducing indirect carbon dioxide emissions by 4.3 million tons. Orion's technology was recently recognized with a Platts Global Energy Award for the single most innovative and sustainable green technology of 2008. For more information, visit www.oesx.com.

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

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SOURCE: Orion Energy Systems, Inc.

Orion Energy Systems Inc.
          Media Contact
          Linda Diedrich, Director Corporate Communications
          (920) 482-1988
          ljd@oes1.com

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