A total of 83.5 megawatts (MW) of battery storage facilities aimed at providing backup power to emergency services are being set up in California.
The California Public Utilities Commission (CPUC) has approved five lithium battery facilities projects proposed for San Diego and South Orange counties by the state utility San Diego Gas & Electric (SDG&E).
SDG&E said the battery facilities, which are expected to start operation between 2019 and 2021, would be integrated with “clean energy” projects to help improve grid reliability across California.
The utility had submitted seven initial projects for approval by CPUC several months ago to support “critical public-sector facilities such as fire and police stations, emergency operation centres and emergency evacuation sites”.
Among those projects, Renewable Energy Systems America will build a 30MW/120MWh lithium-ion storage facility, and Fluence is on contract to construct a 40 MW/160MWh project.