CLEANTECH VENTURE PRESENTS EMERGING ENTERPRISE OF THE YEAR AWARD TO POWERLIGHT CORPORATION

Cleantech Venture Network, a market facilitation service dedicated to accelerating the growth of venture investments in clean technology companies, announced the recipient of its 2003 Cleantech Emerging Enterprise of the Year award, PowerLight Corporation of Northern California.

CLEANTECH VENTURE NETWORK PRESENTS CLEANTECH EMERGING ENTERPRISE OF THE YEAR AWARD

TO POWERLIGHT CORPORATION

Innovator Honored at Premier Clean Technology Investment Conference

SAN FRANCISCO, Calif., APRIL 29, 2004 - Cleantech Venture Network, a market facilitation service dedicated to accelerating the growth of venture investments in clean technology companies, today announced during the Cleantech Venture Forum IV the recipient of its 2003 Cleantech Emerging Enterprise of the Year award, PowerLight Corporation of Northern California. The award is presented to a company or its CEO that experienced rapid growth and/or provided a high realized return to investors in 2003 by bringing a clean technology or business model to market.

"We are honored to present this award to PowerLight, a company that represents the future of clean technology," said Nicholas Parker, co-founder and chairman of the Cleantech Venture Network. "Under Tom Dinwoodie's guidance, PowerLight has emerged as one of this country's fastest growing and most reputable clean technology companies. We congratulate Tom on his achievements and thank him for his leadership in helping to accelerate the growth of the clean technology industry."

About the Cleantech Emerging Enterprise of the Year Winner
PowerLight Corporation (www.powerlight.com) is a leading designer, manufacturer and installer of large scale solar electric systems and energy efficiency services. Founded in 1991, PowerLight has been ranked by Inc. Magazine as among the top 500 fastest growing privately held companies for the past four consecutive years. The company is a true success story in the clean technology industry: 100 percent of revenues are generated from cleantech; revenues have doubled every year since the company's inception; the company has experienced phenomenal growth over the past five years; boasts a significant roster of showcase clients and projects; and is led by a top management team headed by founder and CEO, Thomas Dinwoodie.

About Cleantech Venture Forum
Cleantech Venture Forum is a semi-annual event held each spring and fall on the East and West Coasts. A "Who's Who" of investors from venture capital firms, corporations, fund management and private wealth attend the event - the largest single gathering of investors interested in clean technology investment opportunities. During the event, attendees hear presentations from companies in the clean technology industry, participate in meetings with key investors including business angels, venture capitalists, fund managers, investment bankers and corporations and take advantage of leading-edge information and research on the investment opportunities from leading thinkers on clean technology innovations and trends.

Lead sponsors for the event include Heller Ehrman White & McAuliffe LLP and EnerTech Capital. Other sponsors include Wilson Sonsini Goodrich & Rosati, Cinergy Ventures, Technology Partners, Rockport Capital Partners, NGEN Partners, Asia West Fund, Expansion Capital Partners, Braemar Energy Ventures, Nth Power, Carbon Trust, Global Environment Fund, Sustainable Development Technology Canada, DTE Energy Ventures, Garage Technology Ventures, EPRI, Clean Edge Inc., Investor's Circle, Green Power Magazine, Matter Communications, Angeleno Group, SustainableBusiness.com and EIN Publishing.

About Cleantech Venture Network
The Cleantech Venture Network (Cleantech) is a grouping of member investors managing over $3 billion in cleantech venture assets. The company believes "clean technologies" - from solar energy to water purification - are the next and necessary wave of venture investing. Cleantech introduces promising young companies to investors and investors to quality deal-flow. The company has developed a community of money managers, business executives, professional advisors, and other stakeholders active in the clean technology venture arena. Cleantech organizes venture forums, provides deal flow, publishes a quarterly venture monitor and offers related services to investors and entrepreneurs. Cleantech benefits from the expertise and counsel of an advisory board comprised of representatives from 14 leading venture capital and service provider firms specializing in clean technology. More about the company can be found at www.cleantechventure.com or by calling 517-223-9607.
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