How many battery storage projects are in CAISO?

There are 267 operating battery storage projects in CAISO.

What is the total battery storage capacity in CAISO?

The total operating battery storage capacity in CAISO is 16,773 MW.

What is the largest battery storage project in CAISO?

The largest battery storage project in CAISO is Menifee Power Bank at 680 MW, located in Riverside, California.

How many battery storage projects were built in CAISO in 2025?

53 battery storage projects were built in CAISO in 2025.

How many developers have battery storage projects in CAISO?

There are 56 unique developers with operating battery storage projects in CAISO.

Battery Storage Projects in CAISO

Explore the largest battery storage projects in CAISO and see all the utility-scale battery storage projects in CAISO on a map.

Last updated: August 2026

On this page, you can explore our real-time database of battery storage projects in CAISO. Each month, we track battery storage projects and update our list of the largest battery storage projects in CAISO.

As of August 2026, there are 267 utility-scale battery storage projects in CAISO, according to Cleanview's project tracker. Their total operating capacity is 16,773 MW. In 2025, there were 53 battery storage projects built in CAISO. See also: planned battery storage projects in CAISO→

Total Battery Storage Projects

267

Total Capacity

16,773 MW

Built in 2025

CAISO Battery Storage Map

Map of battery storage projects in CAISO. Marker size reflects capacity — only facilities with reported capacity data are shown.

Largest Battery Storage Projects in CAISO

Menifee Power Bank

680 MW

Year Operational: July 2025

Location: Riverside, California

Developer: Calpine

Bellefield Solar and Energy Storage Farm

500 MW

Year Operational: December 2025

Location: Kern, California

Developer: AES Clean Energy

Dynegy Moss Landing Power Plant Hybrid

450 MW

Year Operational: June 2023

Location: Monterey, California

Kola Energy Center

400 MW

Year Operational: August 2025

Location: San Joaquin, California

Developer: NextEra Energy

Easley Solar

350 MW

Year Operational: June 2026

Location: Riverside, California

Developer: Intersect Power

Crimson

350 MW

Year Operational: October 2022

Location: Riverside, California

Desert Peak Energy Storage I

325 MW

Year Operational: July 2023

Location: Riverside, California

Nighthawk Energy Storage, LLC

300 MW

Year Operational: June 2026

Location: San Diego, California

Developer: Arevon

Atlas VII

300 MW

How many battery storage projects are in CAISO?: There are 267 operating battery storage projects in CAISO.
What is the total battery storage capacity in CAISO?: The total operating battery storage capacity in CAISO is 16,773 MW.
What is the largest battery storage project in CAISO?: The largest battery storage project in CAISO is Menifee Power Bank at 680 MW, located in Riverside, California.
How many battery storage projects were built in CAISO in 2025?: 53 battery storage projects were built in CAISO in 2025.
How many developers have battery storage projects in CAISO?: There are 56 unique developers with operating battery storage projects in CAISO.

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