The 20MW / 80MWh Pomona battery energy storage facility, in operation in California since a fast-track process brought it online in partial response to the 2015 Aliso Canyon gas leak, has been bought by Ormat Technologies.

The US national Energy Storage Association’s policy director, Jason Burwen, spoke with Andy Colthorpe about the seven early adopter states of energy storage targets and whether this is likely to be a spreading pattern across the country.

A group of 11 community-focused energy utility groups in California have issued a Request for Information on long duration energy storage technologies that could be connected to the California Independent System Operator (CAISO) grid.

Utility PG&E has asked the California Public Utilities Commission (CPUC) for approval of five large-scale battery projects, each with four-hours duration, that will take the investor-owned utility (IOU) past 1,000MW of battery energy storage in its service area.

Utility-scale energy storage project developer / owner esVolta will execute a 15MW / 60MWh battery project to serve California cities that have formed their own ‘community choice’ energy supplier.

Approval has been given to the compliance plans of two more US RTOs and ISOs to be filed under FERC Order 841, the ruling set by the US Federal Energy Regulatory Commission (FERC) designed to open up regional grid operators’ wholesale markets to electricity storage.

Battery storage and demand-side response have continued to play a crucial role in the UK’s power mix, together landing more than 500MW of contracts in the most recent T-1 Capacity Market auction.