How many natural gas power plants are in Ohio?

Ohio has 56 operating utility-scale natural gas power plants with 20 GW of capacity, according to the EIA's monthly survey of power plants.

What is the largest natural gas power plant in Ohio?

Guernsey Power Station in Guernsey County, Ohio is the largest, at 2,055 MW. It came online in 2023.

How many natural gas power plants were built in Ohio in 2025?

0 natural gas power plants came online in Ohio in 2025, with 0 MW of capacity.

Who is developing natural gas power plants 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.

Natural gas power plants in Ohio

Ohio has 56 operating natural gas power plants with 20 GW of capacity.

Operating56

See planned natural gas power plants in Ohio

Updated monthly. Last updated November 2026.

Under 250 MW250–999 MW1 GW and up

Updated monthly. Last updated November 2026.

Ohio had 40 natural gas power plants online in 2016 and 56 in 2026

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

Natural gas power plants online at the end of each year. Source: EIA-860M, compiled by Cleanview.

The 10 largest natural gas power plants in Ohio

Operating, by capacity

#	Natural gas power plant	County	Year online	Capacity
1	Guernsey Power Station	Guernsey County	2023	2,055 MW
2	Hanging Rock Energy Facility	Lawrence County	2003	1,430 MW
3	South Field Energy	Columbiana County	2021	1,210 MW
4	Oregon Clean Energy Center	Lucas County	2017	1,060 MW
5	Rolling Hills Generating	Vinton County	2003	978 MW
6	Trumbull Energy Center	Trumbull County	2026	977 MW
7	Middletown- Ohio	Trumbull County	2018	962 MW
8	Waterford Power, LLC	Washington County	2003	922 MW
9	Carroll County Energy	Carroll County	2017	832 MW
10	Troy Energy LLC	Wood County	2002	796 MW

Natural gas power plants that came online most recently in Ohio

Newest first

#	Natural gas power plant	County	Year online	Capacity
1	Trumbull Energy Center	Trumbull County	2026	977 MW
2	Guernsey Power Station	Guernsey County	2023	2,055 MW
3	Tosoh SMD	Franklin County	2023	4 MW
4	Cleveland Works	Cuyahoga County	2022	102 MW
5	Kroger	Licking County	2022	2 MW
6	Long Ridge Energy Generation	Monroe County	2021	522 MW
7	South Field Energy	Columbiana County	2021	1,210 MW
8	Clyde Peaking Engine	Sandusky County	2020	10 MW
9	Middletown- Ohio	Trumbull County	2018	962 MW
10	Middletown Energy Center	Butler County	2018	544 MW

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

How Cleanview tracks natural gas power plants

Operating natural gas power plants 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 natural gas power plants in Ohio

How many natural gas power plants are in Ohio?: Ohio has 56 operating utility-scale natural gas power plants with 20 GW of capacity, according to the EIA's monthly survey of power plants.
What is the largest natural gas power plant in Ohio?: Guernsey Power Station in Guernsey County, Ohio is the largest, at 2,055 MW. It came online in 2023.
How many natural gas power plants were built in Ohio in 2025?: 0 natural gas power plants came online in Ohio in 2025, with 0 MW of capacity.
Who is developing natural gas power plants 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.