Explore the largest battery storage projects in California and see all the utility-scale battery storage projects in California on a map.
Last updated: August 2026
On this page, you can explore our real-time database of battery storage projects in California. Each month, we track battery storage projects and update our list of the largest battery storage projects in California.
As of August 2026, there are 267 utility-scale battery storage projects in California, according to Cleanview's project tracker. Their total operating capacity is 15,938 MW. In 2025, there were 50 battery storage projects built in California. See also: planned battery storage projects in California→
Total Battery Storage Projects
267
Total Capacity
15,938 MW
Built in 2025
50
Map of battery storage projects in California. Marker size reflects capacity — only facilities with reported capacity data are shown.
680 MW
Year Operational: July 2025
Location: Riverside, California
Developer: Calpine
500 MW
Year Operational: December 2025
Location: Kern, California
Developer: AES Clean Energy
450 MW
Year Operational: June 2023
Location: Monterey, California
400 MW
Year Operational: August 2025
Location: San Joaquin, California
Developer: NextEra Energy
350 MW
Year Operational: June 2026
Location: Riverside, California
Developer: Intersect Power
350 MW
Year Operational: October 2022
Location: Riverside, California
325 MW
Year Operational: July 2023
Location: Riverside, California
300 MW
Year Operational: June 2026
Location: San Diego, California
Developer: Arevon
250 MW
Year Operational: July 2020
Location: San Diego, California
350 MW
Year Operational: June 2026
Location: Riverside, California
Developer: Intersect Power
300 MW
Year Operational: June 2026
Location: San Diego, California
Developer: Arevon
50 MW
Year Operational: June 2026
Location: San Diego, California
Developer: Wellhead
50 MW
Year Operational: June 2026
Location: San Diego, California
Developer: Wellhead
4 MW
Year Operational: June 2026
Location: Mendocino, California
Developer: Renewable Properties
40 MW
Year Operational: May 2026
Location: Kings, California
Developer: CIM Group
40 MW
Year Operational: May 2026
Location: Tulare, California
Developer: SB Energy
10 MW
Year Operational: May 2026
Location: Tulare, California
Developer: RWE
0 MW
Year Operational: May 2026
Location: Mendocino, California
Developer: Laketricity
Cleanview