Greenfield Datacenter Sites in Ohio
At a glance
Undeveloped land with no prior industrial use. Greenfield parcels offer maximum design flexibility and large contiguous footprints, but typically require full utility build-out — the speed-to-power story hinges on proximity to existing transmission.
Top greenfield sites in Ohio
| Site | Type | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|
| EC Coal Butler County | Greenfield | Butler County | — | — | 5.2 yrs | 63.5 |
| EC Near Cleveland Works | Greenfield | Cuyahoga | — | — | 5.2 yrs | 63.2 |
| EC Coal Warren County | Greenfield | Warren County | — | — | 5.2 yrs | 63.1 |
| OZ Hamilton | Greenfield | Hamilton | — | — | 5.2 yrs | 63.1 |
| OZ Stark | Greenfield | Stark | — | — | 5.2 yrs | 63.0 |
| Greenfield (DRESDEN - O'HARA) | Greenfield | Fayette County | 500 kV | 1,000 MW | 5.2 yrs | 63.0 |
| EC Coal Montgomery County | Greenfield | Montgomery County | — | — | 5.2 yrs | 62.8 |
| EC Near Hamilton (OH) | Greenfield | Butler | — | — | 5.2 yrs | 62.8 |
| EC Coal Stark County | Greenfield | Stark County | — | — | 5.2 yrs | 62.8 |
| EC Near O H Hutchings | Greenfield | Montgomery | — | — | 5.2 yrs | 62.8 |
| OZ Cuyahoga | Greenfield | Cuyahoga | — | — | 5.2 yrs | 62.8 |
| OZ Summit | Greenfield | Summit | — | — | 5.2 yrs | 62.7 |
| EC Near Lake Road (OH) | Greenfield | Cuyahoga | — | — | 5.2 yrs | 62.7 |
| EC Coal Butler County | Greenfield | Butler County | — | — | 5.2 yrs | 62.6 |
| OZ Franklin | Greenfield | Franklin | — | — | 5.2 yrs | 62.6 |
| OZ Trumbull | Greenfield | Trumbull | — | — | 5.2 yrs | 62.6 |
| OZ Cuyahoga | Greenfield | Cuyahoga | — | — | 5.2 yrs | 62.6 |
| OZ Cuyahoga | Greenfield | Cuyahoga | — | — | 5.2 yrs | 62.6 |
| EC Near East Campus Utility Plant | Greenfield | Hamilton | — | — | 5.2 yrs | 62.5 |
| OZ Cuyahoga | Greenfield | Cuyahoga | — | — | 5.2 yrs | 62.5 |
| EC Coal Stark County | Greenfield | Stark County | — | — | 5.2 yrs | 62.5 |
| EC Near Engle | Greenfield | Summit | — | — | 5.2 yrs | 62.4 |
| EC Coal Hamilton County | Greenfield | Hamilton County | — | — | 5.2 yrs | 62.4 |
| OZ Mahoning | Greenfield | Mahoning | — | — | 5.2 yrs | 62.4 |
| EC Near Procter & Gamble Cincinnati Plant | Greenfield | Hamilton | — | — | 5.2 yrs | 62.4 |
How does Ohio compare with other states for greenfield sites?
With 680 sites, Ohio ranks 7th of the 51 states that have any greenfield candidate sites. Texas leads with 1,276. Nationally, greenfield sites average 55.3/100 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 greenfield sites in Ohio?
The top 25 range from 63.5 to 62.4 on the 0–100 DC Readiness Score. They are concentrated in Cuyahoga (6), Hamilton (4), Butler County (3) and Stark (3). By grid region, 24 are in PJM and 1 is in SERC.
County pages: Cuyahoga · Hamilton · Butler County · Stark
What power, fiber and flood exposure do these greenfield sites have?
Of the top 25 greenfield sites in Ohio, 1 have a recorded nearest-substation voltage, with a median of 500 kV; for 1 that substation is rated 230 kV or higher. Their counties have a median of 10 fixed fiber broadband providers in FCC data. The median distance to the nearest internet exchange facility is 5 km. The median interconnection-queue wait in their markets is 5.2 years. None of the 25 with a mapped FEMA flood zone sits in a high-risk (A or V) zone. 4 lie within 25 km of a binding transmission constraint.
Frequently asked questions
How many greenfield datacenter sites are in Ohio?
GridCensus catalogs 680 greenfield datacenter candidate sites in Ohio, 4% of the national total for this type (7th of 51 states).
What is a greenfield datacenter site?
Undeveloped land with no prior industrial use. Greenfield parcels offer maximum design flexibility and large contiguous footprints, but typically require full utility build-out — the speed-to-power story hinges on proximity to existing transmission.
What is the best greenfield datacenter site in Ohio?
By DC Readiness Score, EC Coal Butler County in Butler County ranks first at 63.5/100, followed by EC Near Cleveland Works in Cuyahoga at 63.2.
Which Ohio counties have the best greenfield sites?
The top 25 greenfield sites in Ohio are concentrated in Cuyahoga (6), Hamilton (4), Butler County (3) and Stark (3).
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 greenfield sites and Ohio
Greenfield sites in other states
- Greenfield sites in Texas· 1,276 sites
- Greenfield sites in Pennsylvania· 973 sites
- Greenfield sites in California· 941 sites
- Greenfield sites in Illinois· 913 sites
- Greenfield sites in Florida· 791 sites
- Greenfield sites in Michigan· 719 sites
- Greenfield sites in Kentucky· 640 sites
- Greenfield sites in Iowa· 634 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, “Greenfield datacenter sites in Ohio”, https://gridcensus.com/site-types/greenfield/ohio (data as of November 12, 2026).
Go deeper than the public screen
Every site and score for Greenfield 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.