The largest of these is the 20 MW Beacon Power flywheel station located in Stephentown, New York. Until recently, it was the world’s largest flywheel energy storage system (FESS), but not anymore.

The system will be installed by Beacon Power and operated in conjunction with Mill Creek Generating Station (MCGS), a gas-fired regulating reserve plant recently commissioned in Montana and owned ...

Beacon Power Corp., based out of Massachusetts, will install flywheel technology at the 150-megawatt plant that can temporarily convert electricity into kinetic energy by spinning rotors.

Beacon Power won a $43 million loan in 2010 to build a flywheel plant in Stephentown, New York. The company built the project but then filed for bankruptcy in October 2011.

"It is great news that Beacon Power's new flywheel energy storage plant has reached full capacity," said Francis J. Murray Jr., president and CEO, New York State Energy Research and Development ...

Flywheel grid storage company Beacon Power has been acquired for $30.5 million in a transaction that will return about 70 percent of a government loan.

Beacon Power LLC, a Tyngsborough-based manufacturer of large flywheel energy storage systems, said it has begun commercial operation of its latest flywheel energy storage facility.

TYNGSBORO — Though today’s grand-opening celebration of Beacon Power Corp.’s 20-megawatt flywheel electricity generating and storing facility is being held 150 miles away in Steph… ...

A view of the casings in the ground that house flywheels sealed in a vacuum chamber outside of the control rooms are seen at an event to celebrate the startup of the Beacon Power Flywheel Energy ...

Beacon Power, a flywheel storage company that received a government loan guarantee, said its storage plant will continue to operate as it seeks new sources of capital.

Beacon Power is working to build a smarter grid with a technology that has been around since Leonardo Da Vinci's time. Here is how the simple, ubiquitous flywheel may become the next best hope for ...

The flywheel systems provide frequency regulation service, which helps to stabilize the electric grid by balancing power supply levels during moment-to-moment variations in demand.