US renewables developer Arevon Energy said on Wednesday its 300-MW Nighthawk battery energy storage system (BESS) in Poway, California, had started operations, adding 1,200 MWh storage capacity to the San Diego region's electricity grid.

US renewables developer Arevon Energy said on Wednesday its 300-MW Nighthawk battery energy storage system (BESS) in Poway, California, had started operations, adding 1,200 MWh…

Arevon Energy has put its 300MW/1,200MWh Nighthawk Energy Storage Project in Poway, California, US into operation.