MANITOWOC, Wis., Apr 22, 2008 (PrimeNewswire via COMTEX News Network) -- Orion Energy Systems, a publicly traded Wisconsin company that designs, manufactures and deploys energy management systems, will ring the opening bell at NASDAQ on Earth Day, Tuesday, April 22, at 8:30 a.m. CDT.

"We are proud that our energy management systems are making a positive impact on the environment by helping companies decrease their energy consumption and contribution to carbon emissions," said Neal Verfuerth, President and CEO of Orion. "Participating in NASDAQ's opening bell ceremony on Earth Day is an honor. As a company, we have found success in dedicating ourselves to bringing a new level of energy efficiency into facilities around the country, and that success helps the environment, the economy and the competitiveness of our customers."

At a time when the United States' energy demand is quickly outpacing supply, Orion has been able to provide customers with a proven energy management system that dramatically cuts energy consumption, saves on energy costs and decreases the business community's demand on the electrical grid, according to Verfuerth.

"Since 2001, Orion's technology has displaced more than 303 megawatts of energy, reduced indirect CO2 emissions by 3.8 million tons -- the equivalent of removing more than 600,000 cars from the road -- and saved 327 million gallons of gasoline," said Verfuerth. "The energy consumption crisis is very real and with businesses already predicting double-digit energy price increases in the next year, it will be important for companies to explore the wide variety of energy efficiency options that exist."

Orion began trading publicly on the NASDAQ exchange on December 19 and recently became a member of two clean energy indexes. Verfuerth will ring the opening bell at NASDAQ MarketSite, located at Times Square, 43rd and Broadway in New York City.

About Orion Energy Systems, Inc.

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 and 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 over 3,300 facilities across North America. For more information, visit www.oriones.com.

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

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SOURCE: Orion Energy Systems, Inc.

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

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