Brownfield & Retired Power Plant Sites in Ohio
52 catalogued brownfield and retired-generation sites in Ohio, listed by former capacity. Each carries an existing utility-scale grid interconnection that a new datacenter load may be able to re-use.
At a glance
What kinds of former sites are in Ohio?
By former use, the list includes 12 coal, 9 natural gas, 8 oil, 7 hydroelectric, 6 manufacturing, 3 landfill and 3 other categories. Recorded retirement dates run from January 1994 to December 2024, with 20 retirements in 2015 or later. 46 of 50 sites with a measured distance sit within 2 miles of a transmission substation.
How does Ohio compare with other states?
Ohio ranks 12th of 50 states and DC by number of brownfield and retired-generation sites, out of 2,085 nationally. By recorded capacity (3,756 MW) it ranks 27th, against 289,280 MW across all states. The state also has 3,933 scored datacenter candidate sites, 29 of them classed as brownfield sites, averaging 53.2 on the 0–100 DC Readiness scale.
Where in Ohio are these sites?
- Washington County · 4
- Trumbull County · 3
- Hamilton County · 3
- Cuyahoga County · 2
- Richland County · 2
- Lorain County · 2
- Morgan County · 2
- Clermont County · 1
- Lucas County · 1
- Montgomery County · 1
- Butler County · 1
- Franklin County · 1
- Miami County · 1
- Mahoning County · 1
- Auglaize County · 1
- Summit County · 1
- Wood County · 1
- Henry County · 1
- Medina County · 1
- Tuscarawas County · 1
- Jackson County · 1
- Muskingum County · 1
- Ottawa County · 1
- Darke County · 1
All brownfield and retired plant sites in Ohio
| Site | Former use | Capacity | Retired | County |
|---|---|---|---|---|
| Walter C Beckjord | coal | 1,433 MW | 2014-12-01 | Clermont |
| FirstEnergy Bay Shore | coal | 499 MW | 2012-09-01 | Lucas |
| O H Hutchings | coal | 414 MW | 2015-06-01 | Montgomery |
| Niles Power Plant | coal | 266 MW | 2012-10-01 | Trumbull |
| Miami Fort | coal | 263 MW | 2015-06-01 | Hamilton |
| Richard Gorsuch | coal | 200 MW | 2010-11-01 | Washington |
| Lake Road (OH) | coal | 160 MW | 1994-01-01 | Cuyahoga |
| Hamilton (OH) | gas | 122 MW | 2021-09-01 | Butler |
| Refuse & Coal | waste | 90 MW | 1995-12-01 | Franklin |
| Piqua Power Plant | coal | 44 MW | 2007-12-01 | Miami |
| Shelby Municipal Light Plant | coal | 40 MW | 2019-09-01 | Richland |
| Cleveland Works | gas | 35 MW | 2023-03-01 | Cuyahoga |
| Loraine County Project | gas | 27 MW | 2023-02-01 | Lorain |
| Carbon Limestone | gas | 26 MW | 2022-12-01 | Mahoning |
| St Marys | coal | 16 MW | 2007-12-01 | Auglaize |
| Procter & Gamble Cincinnati Plant | gas | 13 MW | 2024-12-01 | Hamilton |
| Engle | oil | 9 MW | 2018-06-01 | Summit |
| Bowling Green | oil | 9 MW | 2018-08-01 | Wood |
| Clevelandcliffs Warren | gas | 8 MW | 2018-02-01 | Trumbull |
| Wood County Landfill | landfill | 7 MW | — | — |
| Niles | oil | 5 MW | 2018-06-01 | Trumbull |
| Napoleon | oil | 5 MW | 2018-06-01 | Henry |
| Wadsworth | oil | 5 MW | 2018-06-01 | Medina |
| Lowell L&D Hydroelectric Project | hydro | 5 MW | — | Washington |
| Dover (OH) | coal | 4 MW | 2007-06-01 | Tuscarawas |
| Brooklyn Landfill Solar | landfill | 4 MW | — | — |
| Devola L&D Hydroelectric Project | hydro | 4 MW | — | Washington |
| Rokeby L&D Hydroelectric Project | hydro | 4 MW | — | Morgan |
| Malta L&D Hydroelectric Project | hydro | 4 MW | — | Morgan |
| Jackson (OH) | oil | 4 MW | 2018-06-01 | Jackson |
| Napoleon Solar Project | landfill | 4 MW | — | — |
| Philo L&D Hydroelectric Project | hydro | 3 MW | — | Muskingum |
| Toledo Jeep Assembly Plant | manufacturing | 3 MW | — | — |
| Beverly L&D Hydroelectric Project | hydro | 3 MW | — | Washington |
| Ottawa County Project | gas | 3 MW | 2022-05-01 | Ottawa |
| Toledo Zoo Solar | brownfield | 2 MW | — | — |
| Oberlin (OH) | gas | 2 MW | 2014-03-01 | Lorain |
| City of Shelby Electric Distribution | oil | 2 MW | 2019-04-01 | Richland |
| Arcanum Peaking | oil | 2 MW | 2022-09-01 | Darke |
| Former Newark Processing Co. | manufacturing | 2 MW | — | — |
| Morton Salt Rittman | coal | 2 MW | 2015-01-01 | Wayne |
| Auglaize Hydro | hydro | 1 MW | 2003-02-01 | Defiance |
| Nippon Sheet Glass Co Ltd | manufacturing | 1 MW | — | — |
| East Campus Utility Plant | gas | 1 MW | 2024-03-01 | Hamilton |
| Cuyahoga Metropolitan Housing Authority | manufacturing | 1 MW | — | — |
| Medical Center Company Solar | brownfield | 1 MW | — | — |
| Pilkington North America | manufacturing | 0 MW | — | — |
| Mound Plant (USDOE) | superfund | — | — | — |
| Dayton Tech Town (GSHP) | brownfield | — | — | — |
| Feed Materials Production Center (US DOE) Solar | superfund | — | — | — |
| Feed Materials Production Center (US DOE) (GSHP) | superfund | — | — | — |
| The National Center for Medical Readiness at Calamityville (GSHP) | manufacturing | — | — | — |
Frequently asked questions
How many retired power plants are in Ohio?
GridCensus lists 37 retired power plant sites in Ohio from EIA-860 retirement records. 31 have a recorded retirement date, 20 of them in 2015 or later.
What is the largest retired power plant or brownfield site in Ohio?
Walter C Beckjord in New Richmond is the largest by recorded capacity, at 1,432.9 MW. It is followed by FirstEnergy Bay Shore (498.8 MW) and O H Hutchings (414 MW).
Which power plant in Ohio retired most recently?
Procter & Gamble Cincinnati Plant has the latest recorded retirement date in the state, December 2024, with 12.5 MW of capacity.
Which county in Ohio has the most brownfield and retired plant sites?
Washington County has the most, with 4, followed by Trumbull County with 3.
How many EPA brownfield sites in Ohio have completed cleanup?
15 of the 15 EPA-tracked sites listed for Ohio are recorded as cleanup complete.
Looking for a specific record? The directory lists every brownfield site, A to Z.
More on Ohio, and states with similar counts
- Datacenter candidate sites in Ohio· 3,933 sites
- Electric substations in Ohio· 465 named
- Brownfield candidate sites nationwide
- Brownfield sites by state
- Brownfield sites in Michigan· 54 sites
- Brownfield sites in Wisconsin· 47 sites
- Brownfield sites in Pennsylvania· 59 sites
- Brownfield sites in Kansas· 46 sites
About this data
Source: EIA-860 retired generating units and EPA RE-Powering America's Land contaminated-site records, as published March 6, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Brownfield and retired power plant sites in Ohio”, https://gridcensus.com/brownfield-sites/ohio (data as of March 6, 2026).
Dataset updated . Screening estimates derived from public data sources.
Go deeper than the public screen
Every site and score for brownfield sites in Ohio is free to browse. Pro adds Watchtower on 25 sites, alerts when new candidate sites, datacenters or interconnection-queue requests appear in your markets, score and capacity history, and CSV export. Enterprise adds team seats, weekly data files for all 147,272 sites, the REST API and an MCP server for AI tools.