Brownfield Datacenter Sites in Ohio
At a glance
Previously developed land with real or perceived environmental contamination. Brownfields trade remediation overhead for existing utility hookups, infill locations near fiber, and redevelopment incentives.
Top brownfield sites in Ohio
| Site | Type | County | Former use | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| Brooklyn Landfill Solar | Brownfield | Cuyahoga | landfill | 345 kV | 4 MW | 5.2 yrs | 68.0 |
| Medical Center Company Solar | Brownfield | Cuyahoga | brownfield | — | 1 MW | 5.2 yrs | 66.8 |
| Mound Plant (USDOE) | Brownfield | Montgomery | superfund | 69 kV | — | 5.2 yrs | 65.6 |
| Wood County Landfill | Brownfield | Wood | landfill | — | 7 MW | 5.2 yrs | 64.9 |
| Nippon Sheet Glass Co Ltd | Brownfield | Lucas | manufacturing | — | 1 MW | 5.2 yrs | 64.4 |
| Pilkington North America | Brownfield | Lucas | manufacturing | — | 0 MW | 5.2 yrs | 64.3 |
| Toledo Zoo Solar | Brownfield | Lucas | brownfield | — | 2 MW | 5.2 yrs | 63.7 |
| Napoleon Solar Project | Brownfield | Henry | landfill | — | 4 MW | 5.2 yrs | 61.7 |
| The National Center for Medical Readiness at Calamityville (GSHP) | Brownfield | Greene | manufacturing | 69 kV | — | 5.2 yrs | 61.0 |
| Engle | Brownfield | Summit County | oil | — | 9 MW | 5.2 yrs | 60.8 |
| Wadsworth | Brownfield | Medina County | oil | — | 5 MW | 5.2 yrs | 60.2 |
| Morton Salt Rittman | Brownfield | Wayne County | coal | — | 2 MW | 5.2 yrs | 59.6 |
| Refuse & Coal | Brownfield | Franklin County | waste | — | 90 MW | 5.2 yrs | 59.4 |
| Bowling Green | Brownfield | Wood County | oil | — | 9 MW | 5.2 yrs | 59.4 |
| Dayton Tech Town (GSHP) | Brownfield | Montgomery | brownfield | 69 kV | — | 5.2 yrs | 58.6 |
| Dover (OH) | Brownfield | Tuscarawas County | coal | — | 4 MW | 5.2 yrs | 58.5 |
| Oberlin (OH) | Brownfield | Lorain County | gas | — | 2 MW | 5.2 yrs | 58.1 |
| Shelby Municipal Light Plant | Brownfield | Richland County | coal | — | 40 MW | 5.2 yrs | 57.8 |
| Auglaize Hydro | Brownfield | Defiance County | hydro | — | 1 MW | 5.2 yrs | 56.6 |
| Napoleon | Brownfield | Henry County | oil | — | 5 MW | 5.2 yrs | 56.2 |
| Ottawa County Project | Brownfield | Ottawa County | gas | — | 3 MW | 5.2 yrs | 56.1 |
| SunCoke Energy South Shore Facility | Brownfield | Scioto County | coal | — | 90 MW | 5.2 yrs | 55.6 |
| Former Newark Processing Co. | Brownfield | Licking | manufacturing | 138 kV | 2 MW | 5.2 yrs | 54.0 |
| Malta L&D Hydroelectric Project | Brownfield | Morgan County | hydro | — | 4 MW | 5.2 yrs | 53.9 |
| St Marys | Brownfield | Auglaize County | coal | — | 16 MW | 5.2 yrs | 51.0 |
How does Ohio compare with other states for brownfield sites?
With 29 sites, Ohio ranks 8th of the 49 states that have any brownfield candidate sites. California leads with 103. Nationally, brownfield sites average 57.5/100 DC Readiness, above the 53.0 average across all site types. Across every site type, Ohio averages 53.2, the 31st-highest of 52 states, and its candidate sites face an average interconnection-queue wait of 5.2 years.
Where are the highest-scoring brownfield sites in Ohio?
The top 25 range from 68.0 to 51.0 on the 0–100 DC Readiness Score. They are concentrated in Lucas (3), Cuyahoga (2), Montgomery (2) and Wood (2). By grid region, 25 are in PJM.
County pages: Lucas · Cuyahoga · Montgomery · Wood
What power, fiber and flood exposure do these brownfield sites have?
Of the top 25 brownfield sites in Ohio, 5 have a recorded nearest-substation voltage, with a median of 69 kV; for 1 that substation is rated 230 kV or higher. Their counties have a median of 13 fixed fiber broadband providers in FCC data. The median distance to the nearest internet exchange facility is 23 km. The median interconnection-queue wait in their markets is 5.2 years. 6 of the 25 with a mapped FEMA flood zone sit in a high-risk (A or V) zone.
Frequently asked questions
How many brownfield datacenter sites are in Ohio?
GridCensus catalogs 29 brownfield datacenter candidate sites in Ohio, 4% of the national total for this type (8th of 49 states).
What is a brownfield datacenter site?
Previously developed land with real or perceived environmental contamination. Brownfields trade remediation overhead for existing utility hookups, infill locations near fiber, and redevelopment incentives.
What is the best brownfield datacenter site in Ohio?
By DC Readiness Score, Brooklyn Landfill Solar in Cuyahoga ranks first at 68.0/100, followed by Medical Center Company Solar in Cuyahoga at 66.8.
Which Ohio counties have the best brownfield sites?
The top 25 brownfield sites in Ohio are concentrated in Lucas (3), Cuyahoga (2), Montgomery (2) and Wood (2).
How does Ohio score for datacenters overall?
All 3,933 scored sites in Ohio average 53.2/100 DC Readiness, the 31st-highest of 52 states, against a national average of 53.0.
More on brownfield sites and Ohio
Brownfield sites in other states
- Brownfield sites in California· 103 sites
- Brownfield sites in New Jersey· 52 sites
- Brownfield sites in New York· 48 sites
- Brownfield sites in Massachusetts· 44 sites
- Brownfield sites in Iowa· 38 sites
- Brownfield sites in Illinois· 33 sites
- Brownfield sites in Texas· 30 sites
- Brownfield sites in Kansas· 23 sites
Dataset updated . Screening estimates derived from public data sources.
About this data
Source: GridCensus composite of HIFLD transmission and substation data, EIA, FEMA National Risk Index, FCC broadband data, PeeringDB and ISO interconnection queues, as published November 12, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Brownfield datacenter sites in Ohio”, https://gridcensus.com/site-types/brownfield/ohio (data as of November 12, 2026).
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.