Ohio
power plants.
Ohio has 82 operating power plants in the catalog, 25,438 MW in all. The catalog also marks 10 plants as Retired, with 6,255 MW of capacity. Its operating fleet leans on natural gas, which accounts for 50.7% of operating capacity, with coal second at 43.2%. The largest operating plant in the catalog is Gavin Power Plant (2,600 MW, recorded start year 1974).
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Ohio electricity mix
Operating installed capacity by fuel. Each row gives megawatts and its share of the operating total.
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Largest plants in Ohio
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Newest plants in Ohio
Operating plants with the most recent recorded start years. The catalog records years, not full commissioning dates.
Source: Global Energy Monitor, Global Integrated Power Tracker, March 2026 release II. Catalog content date: .
Frequently asked questions
Where does Ohio get its electricity?
Across the 82 operating plants in the catalog, capacity is led by natural gas at 50.7%, then coal at 43.2%. These are installed-capacity shares, not live generation.
What is the largest power plant in Ohio?
The largest operating plant in the catalog for Ohio is Gavin Power Plant, a coal facility with 2,600 MW and a recorded start year of 1974.
How many power plants are in Ohio?
The catalog tracks 82 operating power plants in Ohio, with 25,438 MW in all. It also marks 10 plants as Retired, with 6,255 MW of capacity.