San Diego installs massive flow battery that can power 1,000 homes
San Diego Gas & Electric (SDG&E) has taken the wraps off a new battery energy storage project that will store up to 2 megawatts of electricity — enough to power 1,000 homes for four hours. The new vanadium redox flow (VRF) battery substation was installed by Osaka, Japan-based Sumitomo Electric and will store renewable energy…