New developer GridStor has acquired a portfolio of in-development battery storage projects in LA, California, from Upstream Energy, totalling 500MW/2,000MWh.

California investor-owned utility SDG&E has completed construction of a 40MW battery energy storage system (BESS) and started work on four storage-enabled microgrids totalling 39MW.

sonnen and Sunnova’s new business models aim to turn residential and distributed battery storage into key components of energy networks.

Developer Terra-Gen has closed US$969 million in project financing for the second phase of Edwards Sanborn Solar-plus-Storage facility in California, which will bring it to 3,291MWh of energy storage capacity.

California’s rapid transition to renewables presents challenges that energy storage can solve, write the team from Form Energy.

Energy stored in batteries is being dispatched in large volumes in California as record-breaking hot weather brings crisis.  

Gravity-based energy storage company Energy Vault will deliver and optimise battery energy storage systems (BESS) totalling 220MWh for developer Jupiter Power in Texas and California.

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.

Hydrostor waits to hear if one of its proposed large-scale projects in California will get approved to supply electricity.

News in brief from around the world in energy storage.