Cost inflation and supply chain issues have forced California utility PG&E to increase the prices it will pay for 2GWh of battery storage projects, in a move which has been approved by regulators.

The US state of California is providing US$31 million for a long duration energy storage project combining vanadium flow and zinc-hybrid batteries, the first grant from a US$380 million package.

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.