How many planned solar farms are in the US?

There are 3531 planned solar farms in the US.

What is the total planned solar capacity in the US?

The total planned solar capacity in the US is 585,819 MW.

What is the largest planned solar farm in the US?

The largest planned solar farm in the US is Atlas Complex at 2,256 MW, located in La Paz, Arizona.

How many developers have planned solar farms in the US?

There are 320 unique developers with planned solar farms in the US.

Planned Solar Farms in the United States

Explore the largest solar farms expected to come online in the US and see all proposed solar projects on a map.

Last updated: September 2026

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

As of September 2026, there are 3531 solar farms in development in the US, according to Cleanview's project tracker. Their total planned capacity is 585,819 MW. See also: operating solar farms in the US→

Planned Projects

3,531

Planned Capacity

585,819 MW

Unique Developers

320

Planned US Solar Map

Map of planned solar farms across the United States. Marker size reflects planned capacity.

Largest Planned Solar Farms in the US

Atlas Complex

2,256 MW

Expected Online: March 2028

Location: La Paz, Arizona

Developer: Hanwha Group

Sanborn Hybrid 3

1,420 MW

Expected Online: December 2026

Location: Kern, California

Spectra Solar

1,200 MW

Expected Online: November 2028

Location: Scurry, Texas

Steward Creek Solar Phase 1

1,200 MW

Expected Online: December 2029

Location: Lee, Illinois

Developer: Hexagon Energy

Pepper Hammock Solar and Storage

1,200 MW

Expected Online: September 2029

Location: Wayne, Georgia

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: December 2025

Location: Lee, Illinois

Nelson-Electric Junction 345 kV

1,200 MW

Expected Online: TBD

Location: Lee, Illinois

Vista Sands Solar

1,182 MW

Expected Online: December 2028

Location: Portage, Wisconsin

Developer: Doral Renewables

Solar Farms Coming Online Soon in the US

WEST MEMPHIS EHV - KEO EHV 500.0kV

600 MW

Expected Online: October 2026

Location: Crittenden, Arkansas

Smalling

600 MW

Expected Online: October 2026

Location: Richland, Louisiana

Hecate Energy Cider Solar LLC

557 MW

Expected Online: October 2026

Location: Genesee, New York

Developer: Hecate Energy

INDEPENDENCE-ISES - POWERLINE ROAD 500.0kV

550 MW

Expected Online: October 2026

Location: Craighead, Arkansas

GulfStar Power, LLC

452 MW

Expected Online: October 2026

Location: Wharton, Texas

Developer: GulfStar Power

Chillingham Solar

352 MW

Expected Online: October 2026

Location: Bell, Texas

Developer: Engie

Arroyo Solar

335 MW

Expected Online: October 2026

Location: Pueblo, Colorado

Developer: Xcel Energy

Pine Forest Solar

302 MW

Expected Online: October 2026

Location: Hopkins, Texas

Developer: Clearway

Mammoth Central Solar Project

300 MW

Expected Online: October 2026

Location: Pulaski, Indiana

Developer: Doral Renewables

Frequently Asked Questions

How many planned solar farms are in the US?: There are 3531 planned solar farms in the US.
What is the total planned solar capacity in the US?: The total planned solar capacity in the US is 585,819 MW.
What is the largest planned solar farm in the US?: The largest planned solar farm in the US is Atlas Complex at 2,256 MW, located in La Paz, Arizona.
How many developers have planned solar farms in the US?: There are 320 unique developers with planned solar farms in the US.

Planned US Solar Map

Largest Planned Solar Farms in the US

Atlas Complex

Sanborn Hybrid 3

Spectra Solar

Steward Creek Solar Phase 1

Pepper Hammock Solar and Storage

Sunstone Solar

Nelson-Electric Junction 345 kV

Nelson-Electric Junction 345 kV

Vista Sands Solar

Solar Farms Coming Online Soon in the US

WEST MEMPHIS EHV - KEO EHV 500.0kV

Smalling

Hecate Energy Cider Solar LLC

INDEPENDENCE-ISES - POWERLINE ROAD 500.0kV

GulfStar Power, LLC

Chillingham Solar

Arroyo Solar

Pine Forest Solar

Mammoth Central Solar Project

Frequently Asked Questions

Explore Planned Solar Farms by State

Explore by ISO

Planned US Solar Map

Largest Planned Solar Farms in the US

Atlas Complex

Sanborn Hybrid 3

Spectra Solar

Steward Creek Solar Phase 1

Pepper Hammock Solar and Storage

Sunstone Solar

Nelson-Electric Junction 345 kV

Nelson-Electric Junction 345 kV

Vista Sands Solar

Solar Farms Coming Online Soon in the US

WEST MEMPHIS EHV - KEO EHV 500.0kV

Smalling

Hecate Energy Cider Solar LLC

INDEPENDENCE-ISES - POWERLINE ROAD 500.0kV

GulfStar Power, LLC

Chillingham Solar

Arroyo Solar

Pine Forest Solar

Mammoth Central Solar Project

Frequently Asked Questions

Explore Planned Solar Farms by State

Explore by ISO