Ohio has 61 solar farms in the EIA Form 860 database, with a combined installed capacity of 3,596 MW. Of those, 16 plants are utility-scale (50 MW or larger), including 5 mega-projects of 200 MW or more. The largest single facility is Fox Squirrel Solar in Mt Sterling, Madison County — a 577 MW plant operated by EDF Renewable Asset Holdings, Inc..
Use the interactive Ohio solar farms map below to explore every plant, color-coded by technology type and sized by capacity. Click any solar farm for its name, operator, capacity (MW), technology, and location — or view the full US solar farms interactive map to compare Ohio to every other state.
Type
Capacity
Ohio Solar Farms by the Numbers
- 61 total solar farms in Ohio (EIA Form 860 (US Energy Information Administration), latest reporting period)
- 3,596 MW total installed solar capacity
- 16 utility-scale plants (50 MW or larger)
- 5 mega-projects rated 200 MW or larger
- 35 small / community-scale plants (under 5 MW)
Ohio Solar Farms by Technology Type
- 61 Solar Photovoltaic (PV) — standard panel installations, the dominant technology nationwide
The 15 Largest Solar Farms in Ohio
The largest solar farm in Ohio by installed capacity is Fox Squirrel Solar at 577 MW. The 15 largest Ohio solar farms from the latest EIA filing:
| # | Solar Farm | Operator | Capacity | Location |
|---|---|---|---|---|
| 1 | Fox Squirrel Solar | EDF Renewable Asset Holdings, Inc. | 577 MW | Mt Sterling, Madison |
| 2 | AEUG Union Solar, LLC | Acciona Energy USA Global, LLC | 325 MW | West Mansfield, Union |
| 3 | Hecate Energy Highland LLC | Hecate Energy Highland LLC | 300 MW | Buford, Highland |
| 4 | Yellowbud Solar, LLC | Yellowbud Solar LLC | 274 MW | Williamsport, Ross |
| 5 | Hillcrest Solar | Hillcrest Solar I, LLC | 200 MW | Mt. Orab, Brown |
| 6 | Atlanta Farms Solar | Dominion Renewable Energy | 200 MW | Williamsport, Pickaway |
| 7 | Big Plain Solar, LLC | Leeward Asset Management, LLC | 196 MW | London, Madison |
| 8 | Madison Fields Solar Project, LLC | Madison Fields Solar Project, LLC | 180 MW | Irwin, Madison |
| 9 | Hardin Solar Energy LLC | Dominion Renewable Energy | 150 MW | Alger, Hardin |
| 10 | Willowbrook Solar I, LLC | RWE Renewables Americas, LLC | 150 MW | Morystown, Highland |
| 11 | Hardin Solar Energy II LLC | Invenergy Services LLC | 150 MW | Belle Center, Hardin |
| 12 | Clearview Solar 1 | Clearview Solar I, LLC | 144 MW | Quincy, Champaign |
| 13 | Ross County Solar, LLC | Ross County Solar, LLC | 120 MW | Greenfield, Ross |
| 14 | Arche Energy Project, LLC | Lightsource Renewable Energy Asset Management, LLC | 107 MW | Fulton, Fulton |
| 15 | New Market Solar | New Market Solar | 100 MW | Sardinia, Highland |
Top Solar Operators in Ohio
Five operators account for the largest share of solar generation in Ohio:
- EDF Renewable Asset Holdings, Inc. — 1 plant, 577 MW total
- Dominion Renewable Energy — 2 plants, 350 MW total
- Acciona Energy USA Global, LLC — 1 plant, 325 MW total
- Hecate Energy Highland LLC — 1 plant, 300 MW total
- Yellowbud Solar LLC — 1 plant, 274 MW total
Solar Permitting and Regulation in Ohio
Utility-scale solar in Ohio is overseen by the Public Utilities Commission of Ohio. Wholesale market participation and interconnection are regulated by the Federal Energy Regulatory Commission (FERC) and the relevant ISO/RTO. All generators above 1 MW must report capacity, fuel type, and location to the EIA via Form 860 — the dataset used in this map.
Frequently Asked Questions
How many solar farms are in Ohio?
Ohio has 61 solar farms in the latest EIA Form 860 filing — a combined 3,596 MW of installed capacity. Of those, 16 are utility-scale (50 MW or larger).
What is the largest solar farm in Ohio?
The largest solar farm in Ohio is Fox Squirrel Solar, located in Mt Sterling (Madison County), with 577 MW of installed capacity. It is operated by EDF Renewable Asset Holdings, Inc..
How much solar capacity does Ohio have?
Ohio has 3,596 MW of installed solar capacity across 61 plants reporting to the EIA. This counts only the solar portion (Solar_MW field) — co-located batteries and other generation are reported separately.
Who regulates solar farms in Ohio?
Solar farms in Ohio are regulated by the Public Utilities Commission of Ohio at the state level, with federal oversight from FERC. The EIA collects annual data on every utility-scale solar plant via Form 860.
View all 6,406 US solar farms on the national interactive map

