January 7 (Renewables Now) – Texas-based Vistra Energy (NYSE:VST) has brought online its 300-MW/1,200-MWh Moss Landing energy storage facility in California’s Monterey County.
The lithium-ion battery system was hooked to the local power grid and kicked off operations on December 11, 2020, Vistra said in a statement on Wednesday. The company is currently implementing a second stage of the project that will expand the overall capacity to 400 MW/1,600 MWh. The 100-MW/400-MWh Phase II will become operational by August 2021.
“A battery system of this size and scale has never been built before,”said Vistra’s CEO Curt Morgan.
In its current configuration, the Moss Landing battery energy storage system (BESS) is capable of storing electricity to power around 225,000 homes during peak periods. Equipped with over 4,500 stacked battery racks, each with 22 individual battery modules, the facility will operate under a long-term resource adequacy contract with Pacific Gas and Electric Company (PG&E). A contract for Phase II is also in place with PG&E.
Vistra noted that the Moss Landing location provides “a unique opportunity” for extensive future expansion of installation. According to its calculations, the site can support up to 1,500 MW/6,000 MWh of storage capacity.
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