How many planned battery storage projects are in California?

There are 452 planned battery storage projects in California.

What is the total planned battery storage capacity in California?

The total planned battery storage capacity in California is 108,178 MW.

What is the largest planned battery storage project in California?

The largest planned battery storage project in California is Wingtip Solar 1 at 1,176 MW, located in Merced, California.

How many developers have planned battery storage projects in California?

There are 59 unique developers with planned battery storage projects in California.

Planned Battery Storage Projects in California

Explore the largest battery storage projects expected to come online in California and see all proposed battery storage projects on a map.

Last updated: August 2026

On this page, you can explore our database of planned battery storage projects in California. Each month, we track projects in development and update our list of the largest battery storage projects expected to come online in California.

As of August 2026, there are 452 battery storage projects in development in California, according to Cleanview's project tracker. Their total planned capacity is 108,178 MW. See also: operating battery storage projects in California→

Planned Projects

452

Planned Capacity

108,178 MW

Unique Developers

Planned California Battery Storage Map

Map of planned battery storage projects in California. Marker size reflects planned capacity.

Largest Planned Battery Storage Projects in California

Wingtip Solar 1

1,176 MW

Expected Online: September 2032

Location: Merced, California

Quark

1,175 MW

Expected Online: September 2028

Location: Fresno, California

Boson

1,173 MW

Expected Online: September 2028

Location: Kern, California

Muon

1,170 MW

Expected Online: September 2028

Location: Fresno County, California

Pion

1,168 MW

Expected Online: December 2028

Location: Fresno, California

Angeleno Solar Farm

1,150 MW

Expected Online: December 2028

Location: Los Angeles, California

Darden

1,150 MW

Expected Online: July 2027

Location: Fresno, California

Developer: Intersect Power

Umbriel

1,150 MW

Expected Online: September 2033

Location: Imperial, California

Hillside Energy Storage

1,065 MW

Expected Online: June 2029

Location: Los Angeles, California