How many planned battery storage projects are in the US?

There are 2821 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 525,777 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 248 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: May 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 May 2026, there are 2821 battery storage projects in development in the US, according to Cleanview's project tracker. Their total planned capacity is 525,777 MW. See also: operating battery storage projects in the US→

Planned Projects

2,821

Planned Capacity

525,777 MW

Unique Developers

248

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

Jove Solar

2,090 MW

Expected Online: January 2030

Location: La Paz, Arizona

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

Hop Hill Solar Generation and BESS

1,200 MW

Expected Online: September 2031

Location: Benton, Washington

Developer: BrightNight

Sunstone Solar

1,200 MW

Expected Online: December 2027

Location: Morrow, Oregon

Developer: Pine Gate Renewables

Nelson-Electric Junction 345 kV

1,200 MW

Expected Online: TBD

Location: Lee, Illinois

Nelson-Electric Junction 345kV

Location: Galveston, Texas

Developer: Alpha Omega Power

Frequently Asked Questions

How many planned battery storage projects are in the US?: There are 2821 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 525,777 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 248 unique developers with planned battery storage projects in the US.

Explore Planned Battery Storage Projects by State

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