How many planned battery storage projects are in the US?

There are 2531 planned battery storage projects in the US.

What is the total planned battery storage capacity in the US?

The total planned battery storage capacity in the US is 468,809 MW.

What is the largest planned battery storage project in the US?

The largest planned battery storage project in the US is Atlas Complex at 2,171 MW, located in La Paz, Arizona.

How many developers have planned battery storage projects in the US?

There are 238 unique developers with planned battery storage projects in the US.

Planned Battery Storage Projects in the United States

Explore the largest battery storage projects expected to come online in the US 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 the US. Each month, we track projects in development and update our list of the largest battery storage projects expected to come online in the US.

As of August 2026, there are 2531 battery storage projects in development in the US, according to Cleanview's project tracker. Their total planned capacity is 468,809 MW. See also: operating battery storage projects in the US→

Planned Projects

2,531

Planned Capacity

468,809 MW

Unique Developers

238

Planned US Battery Storage Map

Map of planned battery storage projects across the United States. Marker size reflects planned capacity.

Largest Planned Battery Storage Projects in the US

Atlas Complex

2,171 MW

Expected Online: October 2027

Location: La Paz, Arizona

Developer: Hanwha Group

Aurora E.C. 138kV

1,206 MW

Expected Online: June 2025

Location: Illinois

Aurora E.C. 138kV

1,206 MW

Expected Online: TBD

Location: Illinois

Sunstone Solar

1,200 MW

Expected Online: December 2027

Location: Morrow, Oregon

Developer: Pine Gate Renewables

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