How many solar farms are in Ohio?

Ohio has 79 operating utility-scale solar farms with 5.0 GW of capacity, according to the EIA's monthly survey of power plants.

What is the largest solar farm in Ohio?

Fox Squirrel Solar in Madison County, Ohio is the largest, at 577 MW. It came online in 2023.

How many solar farms were built in Ohio in 2025?

13 solar farms came online in Ohio in 2025, with 1,229 MW of capacity.

Who is developing solar farms in Ohio?

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.

Solar farms in Ohio

Ohio has 79 operating solar farms with 5.0 GW of capacity. 13 came online in 2025.

Operating79

See planned solar farms in Ohio

Updated monthly. Last updated November 2026.

Under 50 MW50–249 MW250 MW and up

Updated monthly. Last updated November 2026.

Ohio had 15 solar farms online in 2016 and 79 in 2026

2016’162017’172018’182019’192020’202021’212022’222023’232024’242025’252026’26

Solar farms online at the end of each year. Source: EIA-860M, compiled by Cleanview.

The 10 largest solar farms in Ohio

Operating, by capacity

#	Solar farm	County	Year online	Capacity
1	Fox Squirrel Solar	Madison County	2023	577 MW
2	AEUG Union Solar, LLC	Union County	2024	325 MW
3	Hecate Energy Highland LLC	Highland County	2024	300 MW
4	Yellowbud Solar, LLC	Ross County	2023	274 MW
5	Hardin Solar III	Hardin County	2025	250 MW
6	Cadence Solar Energy Center	Union County	2026	240 MW
7	Hillcrest Solar	Brown County	2021	200 MW
8	Big Plain Solar, LLC	Madison County	2023	196 MW
9	Madison Fields Solar Project, LLC	Madison County	2024	180 MW
10	Hardin Solar Energy LLC	Hardin County	2021	150 MW

Solar farms that came online most recently in Ohio

Newest first

#	Solar farm	County	Year online	Capacity
1	Mark Center Solar Project	Defiance County	2026	94 MW
2	Montpelier Solar Project	Williams County	2026	49 MW
3	Marion County Solar Project	Marion County	2026	100 MW
4	Cadence Solar Energy Center	Union County	2026	240 MW
5	Sycamore Creek Solar, LLC	Crawford County	2025	117 MW
6	Great Bend Solar Project	Meigs County	2025	48 MW
7	Solvita	Montgomery County	2025	1 MW
8	Clinton Solar (OH)	Clinton County	2025	50 MW
9	Wheatsborough Solar	Erie County	2025	125 MW
10	Dodson Creek Solar, LLC	Highland County	2025	117 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 Ohio

How many solar farms are in Ohio?: Ohio has 79 operating utility-scale solar farms with 5.0 GW of capacity, according to the EIA's monthly survey of power plants.
What is the largest solar farm in Ohio?: Fox Squirrel Solar in Madison County, Ohio is the largest, at 577 MW. It came online in 2023.
How many solar farms were built in Ohio in 2025?: 13 solar farms came online in Ohio in 2025, with 1,229 MW of capacity.
Who is developing solar farms in Ohio?: 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.