Beacon Power to Present at Rodman & Renshaw Conference and Ardour Capital Energy Conference in September

Beacon Power Corporation (Nasdaq:BCON), a leading provider of fast-responding energy storage products and services to support a more stable, reliable and efficient electricity grid, today announced that it will present at the Rodman & Renshaw Annual Global Investment Conference on September 12, 2011 and at the Ardour Capital 9th Annual Energy Technology Conference on September 15, 2011, both in New York City. Bill Capp, Beacon president and CEO, will review the Company's operations and growth strategy at 12:05 p.m. EDT at the Rodman & Renshaw Conference and at 4:30 p.m. EDT at the Ardour Conference.

A live audio webcast of the Rodman & Renshaw presentation will be accessible via the Beacon Power website. To hear the presentation and view related materials, please visit www.beaconpower.com. A replay will be available for 90 days.

About Beacon Power

Beacon Power Corporation designs, develops and commercializes advanced products and services to support stable, reliable and efficient electricity grid operation. The Company's primary business strategy is to build merchant plants and sell turnkey regulation facilities to meet both domestic and international grid requirements using its patented flywheel energy storage technology. Beacon's Smart Energy Matrix, which is now in production, operating and earning revenue, is a non-polluting, megawatt-level, utility-grade flywheel-based solution to provide sustainable frequency regulation services. Beacon is a publicly traded company with its research, development and manufacturing facility in the U.S. For more information, visit www.beaconpower.com.

CONTACT: Chris Witty
         Darrow Associates
         646.438.9385
         [e-mail]