Former Mine Datacenter Sites in Ohio
At a glance
Decommissioned or active mining land. Mine sites often retain heavy electrical service and water rights from prior operations, and many sit near coal-plant substations now freeing up grid capacity.
Top former mine sites in Ohio
| Site | Type | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|
| Mine Site | Former Mine | Warren County | — | — | 5.2 yrs | 54.5 |
| Mine Site | Former Mine | Cuyahoga County | — | — | 5.2 yrs | 54.4 |
| Mine Site | Former Mine | Cuyahoga County | — | — | 5.2 yrs | 54.2 |
| Mine Site | Former Mine | Stark County | — | — | 5.2 yrs | 53.8 |
| Mine Site | Former Mine | Stark County | — | — | 5.2 yrs | 53.8 |
| Mine Site | Former Mine | Warren County | — | — | 5.2 yrs | 53.8 |
| Mine Site | Former Mine | Franklin County | — | — | 5.2 yrs | 53.7 |
| Mine Site | Former Mine | Butler County | — | — | 5.2 yrs | 53.7 |
| Mine Site | Former Mine | Franklin County | — | — | 5.2 yrs | 53.7 |
| Mine Site | Former Mine | Franklin County | — | — | 5.2 yrs | 53.7 |
| Mine Site | Former Mine | Franklin County | — | — | 5.2 yrs | 53.7 |
| Mine Site | Former Mine | Franklin County | — | — | 5.2 yrs | 53.7 |
| Mine Site | Former Mine | Franklin County | — | — | 5.2 yrs | 53.7 |
| Mine Site | Former Mine | Franklin County | — | — | 5.2 yrs | 53.7 |
| Mine Site | Former Mine | Franklin County | — | — | 5.2 yrs | 53.7 |
| Mine Site | Former Mine | Butler County | — | — | 5.2 yrs | 53.6 |
| Mine Site | Former Mine | Warren County | — | — | 5.2 yrs | 53.6 |
| Mine Site | Former Mine | Butler County | — | — | 5.2 yrs | 53.5 |
| Mine Site | Former Mine | Franklin County | — | — | 5.2 yrs | 53.4 |
| Mine Site | Former Mine | Warren County | — | — | 5.2 yrs | 53.4 |
| Mine Site | Former Mine | Butler County | — | — | 5.2 yrs | 53.3 |
| Mine Site | Former Mine | Butler County | — | — | 5.2 yrs | 53.3 |
| Mine Site | Former Mine | Clermont County | — | — | 5.2 yrs | 53.3 |
| Mine Site | Former Mine | Butler County | — | — | 5.2 yrs | 53.2 |
| Mine Site | Former Mine | Hamilton County | — | — | 5.2 yrs | 53.2 |
How does Ohio compare with other states for former mine sites?
With 925 sites, Ohio ranks 7th of the 50 states that have any former mine candidate sites. Kentucky leads with 5,049. Nationally, former mine sites average 49.7/100 DC Readiness, below 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 former mine sites in Ohio?
The top 25 range from 54.5 to 53.2 on the 0–100 DC Readiness Score. They are concentrated in Franklin County (9), Butler County (6), Warren County (4) and Cuyahoga County (2). By grid region, 25 are in PJM.
County pages: Franklin County · Butler County · Warren County · Cuyahoga County
What power, fiber and flood exposure do these former mine sites have?
Their counties have a median of 10 fixed fiber broadband providers in FCC data. The median distance to the nearest internet exchange facility is 4 km. The median interconnection-queue wait in their markets is 5.2 years. None of the 1 with a mapped FEMA flood zone sits in a high-risk (A or V) zone. 2 lie within 25 km of a binding transmission constraint.
Frequently asked questions
How many former mine datacenter sites are in Ohio?
GridCensus catalogs 925 former mine datacenter candidate sites in Ohio, 4% of the national total for this type (7th of 50 states).
What is a former mine datacenter site?
Decommissioned or active mining land. Mine sites often retain heavy electrical service and water rights from prior operations, and many sit near coal-plant substations now freeing up grid capacity.
What is the best former mine datacenter site in Ohio?
By DC Readiness Score, Mine Site in Warren County ranks first at 54.5/100, followed by Mine Site in Cuyahoga County at 54.4.
Which Ohio counties have the best former mine sites?
The top 25 former mine sites in Ohio are concentrated in Franklin County (9), Butler County (6), Warren County (4) and Cuyahoga County (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 former mine sites and Ohio
Former Mine sites in other states
- Former Mine sites in Kentucky· 5,049 sites
- Former Mine sites in Pennsylvania· 3,356 sites
- Former Mine sites in West Virginia· 2,495 sites
- Former Mine sites in Virginia· 1,614 sites
- Former Mine sites in Alabama· 1,069 sites
- Former Mine sites in Texas· 935 sites
- Former Mine sites in Tennessee· 661 sites
- Former Mine sites in New York· 611 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, “Former Mine datacenter sites in Ohio”, https://gridcensus.com/site-types/mine/ohio (data as of November 12, 2026).
Go deeper than the public screen
Every site and score for Former Mine 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.