Beacon Power Announces That the Company's M5 Smart Power Systems Are in Distributor Inventory and Available for Installer or End User Sales

This follows the successful completion of qualification testing by these distributors, as well as the product's recent UL Certification. Additional M5 units are undergoing qualification testing by other potential distributors.

WILMINGTON, Mass.--(BUSINESS WIRE)--Jan. 22, 2004--Beacon Power Corporation (NASDAQ: BCON), a leader in sustainable energy storage and power conversion systems, announced that its Smart Power M5 systems are available for immediate delivery from the following distributors: Alternative Energy Engineering (www.alt-energy.com), Dankoff Solar (www.dankoffsolar.com), and Solar Depot (www.solardepot.com). This follows the successful completion of qualification testing by these distributors, as well as the product's recent UL Certification. Additional M5 units are undergoing qualification testing by other potential distributors.


"We're very pleased to announce that these distributors have decided to stock and sell our solar power conversion systems," said Bill Capp, Beacon Power President and CEO. "When we launched this business, we believed it would be successful, and every milestone we've achieved to date has been significant. The commitment from these renewable energy distributors validates our efforts and underscores the unique market advantages of our technologies."

The Smart Power M5 inverter system is designed for use in grid-connected solar power applications, and addresses the needs of customers who have concerns about the stability and reliability of the electrical grid. When the grid fails the M5 immediately converts to an independent battery back-up mode, continuing to provide power to critical loads. It is also the most compact, easy-to-install and efficient product in this category.

About Beacon Power Corporation

Beacon Power Corporation (NASDAQ: BCON) designs and develops sustainable energy storage and power conversion solutions that provide reliable electric power for the renewable energy, telecommunications, distributed generation and UPS markets. Beacon's latest product is the Smart Power M5, a 5-kilowatt power conversion system for grid-connect solar power applications. The Smart Power M5 is a UL-approved, "all-in-one" power conversion system incorporating multiple high-performance components in one unit that delivers instantaneous power in the event of a grid outage. Beacon is also known for its advanced flywheel-based Smart Energy systems, designed to provide reliable, environmentally friendly power quality solutions for electric utility transmission and distribution and other applications.

For more information call 888-938-9112, or visit www.beaconpower.com.

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