Some 5GWh of utility-scale battery energy storage was deployed in the first half of 2022, up one third while wind and solar fell 50-70%, according to American Clean Power (ACP).
Battery storage deployments on the California ISO (CAISO) grid slowed in the lead-up to the peak summer season, with no new battery energy storage connected in May and only 65MW added in June.
Energy technology company Wärtsilä is supplying 500MW/2,000MWh of battery energy storage systems (BESS) to PV projects operated by Clearway Energy Group in Hawaii and California, US.
Investor-owned utility SDG&E and the City of San Diego are launching a dozen microgrid projects with energy storage across San Diego, California, following similar announcements elsewhere in the state.