Datacenter Sites in Holmes County, Ohio
Holmes County has 29 scored datacenter candidate sites averaging 50.0/100 DC Readiness, with a catalogued aggregate of 400 MW. FEMA rates local natural-hazard risk as "Relatively Moderate". The county has a datacenter tax incentive on record.
At a glance
Holmes County, Ohio has 29 scored datacenter candidate sites averaging 50.0/100 DC Readiness, roughly in line with the Ohio average of 53.2. It ranks 40th of 85 Ohio counties by number of sites and 74th by average score. The top-scoring site is EC Coal Holmes County · 3c96f3d8 at 56.0/100.
Site-selection context for Holmes County
Incentive detail: DC sales tax exemption on equipment and electricity (2022 law); JobsOhio grants.
How does Holmes County compare with other counties in Ohio?
By number of scored sites, Holmes County ranks 40th of the 85 Ohio counties with a county page, holding 0.7% of the state's 3,933 sites. Its average DC Readiness of 50.0/100 ranks 74th in the state and is roughly in line with the national average of 53.0. Nationally it has the 1305th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 3 score 55 or higher.
What types of datacenter sites are in Holmes County?
Former Mine sites are the most common (19, 66% of the county's inventory), followed by greenfield (8) and substation-adjacent (2). Site type reflects how the parcel was identified — next to a substation, on a former mine or brownfield, on industrial or federal excess land — and is scored on the same 14 factors either way.
What are power cost, hazard, water and fiber conditions in Holmes County?
Industrial electricity averages 9.43¢/kWh and commercial 11.68¢/kWh. FEMA's National Risk Index rates the county "Relatively Moderate" (30). WRI water stress is low. 6 fiber providers report service in the county. The climate runs 900 cooling degree days a year with a mean temperature of 51°F. Land is valued around $9,808 an acre.
By site type
Top datacenter sites in Holmes County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| EC Coal Holmes County | Greenfield | — | — | 5.2 yrs | 56.0 |
| EC Coal Holmes County | Greenfield | — | — | 5.2 yrs | 55.5 |
| EC Coal Holmes County | Greenfield | — | — | 5.2 yrs | 55.1 |
| EC Coal Holmes County | Greenfield | — | — | 5.2 yrs | 54.7 |
| WEST MILLERSBURG | Substation-Adjacent | 138 kV | 100 MW | 5.2 yrs | 53.7 |
| OZ Holmes | Greenfield | — | — | 5.2 yrs | 53.6 |
| SOUTH MILLERSBURG | Substation-Adjacent | 138 kV | 100 MW | 5.2 yrs | 53.4 |
| EC Coal Holmes County | Greenfield | — | — | 5.2 yrs | 51.2 |
| Mine Site | Former Mine | — | — | 5.2 yrs | 49.7 |
| Mine Site | Former Mine | — | — | 5.2 yrs | 49.6 |
| Mine Site | Former Mine | — | — | 5.2 yrs | 49.6 |
| Mine Site | Former Mine | — | — | 5.2 yrs | 49.5 |
| Mine Site | Former Mine | — | — | 5.2 yrs | 49.4 |
| Mine Site | Former Mine | — | — | 5.2 yrs | 49.3 |
| Mine Site | Former Mine | — | — | 5.2 yrs | 49.3 |
| Mine Site | Former Mine | — | — | 5.2 yrs | 48.9 |
| Mine Site | Former Mine | — | — | 5.2 yrs | 48.8 |
| Greenfield (WOOSTER - TAP171510) | Greenfield | 138 kV | 100 MW | 5.2 yrs | 48.7 |
| Mine Site | Former Mine | — | — | 5.2 yrs | 48.6 |
| Mine Site | Former Mine | — | — | 5.2 yrs | 48.4 |
| Mine Site | Former Mine | — | — | 5.2 yrs | 48.0 |
| Mine Site | Former Mine | — | — | 5.2 yrs | 47.9 |
| Mine Site | Former Mine | — | — | 5.2 yrs | 47.9 |
| Greenfield (LOUDONVILLE SUBSTATION - UKNOW) | Greenfield | 138 kV | 100 MW | 5.2 yrs | 47.9 |
| Mine Site | Former Mine | — | — | 5.2 yrs | 47.5 |
Every scored site in Holmes County
All 29 sites, best first.
- EC Coal Holmes County · 3c96f3d8 · 56.0
- EC Coal Holmes County · 980208e7 · 55.5
- EC Coal Holmes County · 33f44f80 · 55.1
- EC Coal Holmes County · 69ed50e0 · 54.7
- WEST MILLERSBURG · 53.7
- OZ Holmes · 53.6
- SOUTH MILLERSBURG · 53.4
- EC Coal Holmes County · 288f6da2 · 51.2
- Mine Site · a435399a · 49.7
- Mine Site · 1fa5be6c · 49.6
- Mine Site · 3b194e31 · 49.6
- Mine Site · 23829bdd · 49.5
- Mine Site · 9e455764 · 49.4
- Mine Site · 7ccdba4f · 49.3
- Mine Site · 8cc8f680 · 49.3
- Mine Site · 3cdcbf00 · 48.9
- Mine Site · 2549f0b8 · 48.8
- Greenfield (WOOSTER - TAP171510) · 48.7
- Mine Site · fe4f034e · 48.6
- Mine Site · e2d7142a · 48.4
- Mine Site · f85a60e2 · 48.0
- Mine Site · d1658ee6 · 47.9
- Mine Site · 52ebee1d · 47.9
- Greenfield (LOUDONVILLE SUBSTATION - UKNOW) · 47.9
- Mine Site · 2b69fb2b · 47.5
- Mine Site · 609f698c · 47.3
- Mine Site · 1910044c · 47.3
- Mine Site · ec543463 · 47.2
- Mine Site · 5c7e10e6 · 47.1
Holmes County datacenter FAQ
How many datacenter sites are in Holmes County?
29 scored datacenter candidate sites, averaging 50.0/100 DC Readiness. That is the 40th-most of 85 Ohio counties with five or more sites.
What is the highest-scoring datacenter site in Holmes County?
EC Coal Holmes County · 3c96f3d8 scores 56.0/100 DC Readiness, the highest of the 29 scored sites in Holmes County (a greenfield site).
Does Holmes County offer datacenter tax incentives?
DC sales tax exemption on equipment and electricity (2022 law); JobsOhio grants.
What is the natural-hazard risk in Holmes County?
FEMA's National Risk Index rates Holmes County as "Relatively Moderate" (score 30).
What are industrial electricity rates in Holmes County?
Average industrial electricity is 9.43¢/kWh and commercial is 11.68¢/kWh in Holmes County.
More in Ohio
- All datacenter sites in Ohio· 3,933 sites
- Operating datacenters in Ohio
- Electric substations in Ohio
- Cuyahoga County· 348 sites · avg 55.2
- Lucas County· 221 sites · avg 53.8
- Hamilton County· 177 sites · avg 56.7
- Lorain· 139 sites · avg 53.5
- Summit County· 129 sites · avg 55.5
- Jefferson County· 125 sites · avg 49.2
- Former Mine sites in Ohio
- Greenfield sites in Ohio
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, “Datacenter candidate sites in Holmes County, Ohio”, https://gridcensus.com/datacenter-sites/ohio/holmes-county (data as of November 12, 2026).
Dataset updated . Screening estimates derived from public data sources.
Go deeper than the public screen
Every site and score for Holmes County, 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.