Highlights California battery storage capacity to double by end of year June-Aug. thermal generation up 27% over 5-year average Battery storage is taking off in California with nearly 1.2 GW of capacity added in the last year and expected to double before the end of the year, despite COVID-19-related supply chain delays that have helped boost natural gas demand, along with lower hydro and imported generation. Receive daily email alerts, subscriber notes & personalize your experience. Register Now California leads the nation in battery energy storage at 1.391 GW by the end of second quarter 2021, an increase of 50% from Q1, according to the American Clean Power Association’s Q2 Market Report . “The virus and supply chain issues delayed some equipment shipments, but it appears that most of the backlog has been resolved,” said Gary Ackerman, Foothill Services Nevada president and Western Power Trading Forum former executive director. […]