How many solar farms are planned in the US?

Developers have proposed 3,390 solar farms in the US with 561 GW of capacity, according to the grid operators' interconnection queues. Most queue projects are never built.

What is the largest planned solar farm in the US?

Atlas Complex in La Paz County, Arizona is the largest planned, at 2,256 MW. It is expected to come online in 2028.

Who is developing solar farms in the US?

Interconnection queues list each project under a project company, not the developer behind it. Cleanview researches the developer of every project and has them on paid plans.

Planned solar farms in the United States

Developers have proposed 3,390 solar farms in the US with 561 GW of capacity, in the grid operators' interconnection queues.

Planned3,390

See operating solar farms in the US

Updated monthly. Last updated November 2026.

Under 50 MW50–249 MW250 MW and up

Updated monthly. Last updated November 2026.

More planned solar farms in the US are expected online in 2027 than in any other year

603

788

653

402

175

2026’262027’272028’282029’292030’302031’312032’322033’33

Planned solar farms by the year they're expected online. Source: the grid operators' interconnection queues, compiled by Cleanview.

The 10 largest planned solar farms in the US

Planned, by capacity

#	Solar farm	Location	Expected online	Capacity
1	Atlas Complex	La Paz County, Arizona	2028	2,256 MW
2	Sanborn Hybrid 3	Kern County, California	2026	1,420 MW
3	Spectra Solar	Scurry County, Texas	2028	1,200 MW
4	Steward Creek Solar Phase 1	Lee County, Illinois	2029	1,200 MW
5	Pepper Hammock Solar and Storage	Wayne County, Georgia	2029	1,200 MW
6	Sunstone Solar	Morrow County, Oregon	2027	1,200 MW
7	Nelson-Electric Junction 345 kV	Lee County, Illinois	2025	1,200 MW
8	Nelson-Electric Junction 345 kV	Lee County, Illinois	–	1,200 MW
9	Vista Sands Solar	Portage County, Wisconsin	2028	1,182 MW
10	Wingtip Solar 1	Merced County, California	2032	1,176 MW

Planned solar farms expected online soonest in the US

In the next 18 months, soonest first

#	Solar farm	Location	Expected online	Capacity
1	Sanborn Hybrid 3	Kern County, California	2026	1,420 MW
2	Hecate Energy Cider Solar LLC	Genesee County, New York	2026	557 MW
3	Bellefield 2 Solar & Energy Storage Farm	Kern County, California	2026	500 MW
4	Baker Branch Solar	Lamar County, Texas	2026	469 MW
5	Enbridge Solar (Sequoia II)	Callahan County, Texas	2026	415 MW
6	Sierra Solar Hybrid	Churchill County, Nevada	2026	400 MW
7	Quantum Solar	Haskell County, Texas	2026	363 MW
8	Quantum II Solar	Haskell County, Texas	2026	363 MW
9	Sunfish Solar 2	Calhoun County, Michigan	2026	360 MW
10	Funston Solar	Jones County, Texas	2026	350 MW

The developer behind each project is on paid plans. See plans

How Cleanview tracks solar farms

Operating solar farms come from the EIA's monthly survey of power plants. Planned projects come from the grid operators' interconnection queues. We research who is developing each one, since a queue lists a project company, not its owner.

Questions about solar farms in the US

How many solar farms are planned in the US?: Developers have proposed 3,390 solar farms in the US with 561 GW of capacity, according to the grid operators' interconnection queues. Most queue projects are never built.
What is the largest planned solar farm in the US?: Atlas Complex in La Paz County, Arizona is the largest planned, at 2,256 MW. It is expected to come online in 2028.
Who is developing solar farms in the US?: Interconnection queues list each project under a project company, not the developer behind it. Cleanview researches the developer of every project and has them on paid plans.