Beacon Power, a manufacturer of flywheel energy storage systems, signed an agreement to supply flywheels for a hybrid energy storage system in Alaska.
The 320 kW project with Chugach Electric Association will combine the flywheel energy storage technology with an existing lower duty-cycle conventional electrochemical battery for use during periods when additional energy is needed. The systems will be installed at a substation next to Chugach headquarters in Anchorage and are expected to enter operations later in 2015. Beacon is also collaborating with Spirae LLC of Colorado, which is providing the overall control system to manage output of both the flywheels and batteries, as well as manage each system’s state-of-charge.
Both companies will test the systems’ scalability to enable increasing amounts of renewable energy that interconnect with remote system utilities along the 500-mile-long Alaska Railbelt region.