Flywheels have been used for storing energy for a long time – think of a potter’s wheel. But only in recent years have high-tech utility-scale systems been deployed.
Beacon Power LLC was signaling the start of flywheel installations and full‐scale construction for the company’s 20‐MW flywheel energy storage plant at the site. “Today’s event is an exciting and important step, helping to enhance our electric grid’s security and reliability in a manner that helps lower costs to consumers.” said Governor Corbett.
Attendees witnessed installation of the first of the plant’s 200 flywheel modules. The first 4 MW of energy storage are scheduled to enter commercial operation in the PJM Interconnection grid system in September. To date, Beacon’s flywheels have accumulated more than 3.5 million operating hours.
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