Innovative underground flywheel technology to store electric power in Stephentown, N.Y.

Beacon Power Breaks Ground on 20-Megawatt Flywheel Energy Storage Plant New York State Officials Cite Benefits for Renewable Energy Expansion and Grid Stability

TYNGSBORO, Mass. & STEPHENTOWN, N.Y.--(BUSINESS WIRE)--Nov. 19, 2009-- Beacon Power Corporation (Nasdaq: BCON), was joined today by state and local officials at a formal groundbreaking event in Stephentown, New York, signaling the start of construction for the nation.s first full-scale 20-megawatt (MW) flywheel frequency regulation plant.

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