Datacenter Sites in Clark County, Ohio
Clark County has 29 scored datacenter candidate sites averaging 50.9/100 DC Readiness, with a catalogued aggregate of 300 MW. FEMA rates local natural-hazard risk as "Relatively Moderate". The county has a datacenter tax incentive on record.
At a glance
Clark County, Ohio has 29 scored datacenter candidate sites averaging 50.9/100 DC Readiness, roughly in line with the Ohio average of 53.2. It ranks 40th of 85 Ohio counties by number of sites and 67th by average score. The top-scoring site is OZ Clark · b7c42814 at 58.6/100.
Site-selection context for Clark County
Incentive detail: DC sales tax exemption on equipment and electricity (2022 law); JobsOhio grants.
How does Clark County compare with other counties in Ohio?
By number of scored sites, Clark 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 50.9/100 ranks 67th 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 5 score 55 or higher.
What types of datacenter sites are in Clark County?
Industrial sites are the most common (14, 48% of the county's inventory), followed by former mine (8) and substation-adjacent (3). 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 Clark County?
Industrial electricity averages 7.52¢/kWh and commercial 10.83¢/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 $9,200 an acre.
By site type
Top datacenter sites in Clark County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| OZ Clark | Greenfield | — | — | 5.2 yrs | 58.6 |
| OZ Clark | Greenfield | — | — | 5.2 yrs | 58.5 |
| EAST SPRINGFIELD | Substation-Adjacent | 138 kV | 100 MW | 5.2 yrs | 56.6 |
| UNKNOWN113202 | Substation-Adjacent | 138 kV | 100 MW | 5.2 yrs | 56.3 |
| CLARK | Substation-Adjacent | 138 kV | 100 MW | 5.2 yrs | 55.9 |
| Mine Site | Former Mine | — | — | 5.2 yrs | 50.2 |
| Mine Site | Former Mine | — | — | 5.2 yrs | 50.2 |
| Mine Site | Former Mine | — | — | 5.2 yrs | 50.0 |
| Mine Site | Former Mine | — | — | 5.2 yrs | 49.9 |
| SPRINGFIELD OH | Federal Excess | — | — | 5.2 yrs | 49.7 |
| Castle Knoll Building | Industrial | — | — | 5.2 yrs | 49.6 |
| Former SPECO Plant | Industrial | — | — | 5.2 yrs | 49.6 |
| Former Public Works Garage, 1000 East Street | Industrial | — | — | 5.2 yrs | 49.5 |
| First Christian Church | Industrial | — | — | 5.2 yrs | 49.5 |
| Former D and H Facility | Industrial | — | — | 5.2 yrs | 49.5 |
| Former James Leffel Company | Industrial | — | — | 5.2 yrs | 49.5 |
| Castle Bail Bonds | Industrial | — | — | 5.2 yrs | 49.5 |
| Mine Site | Former Mine | — | — | 5.2 yrs | 49.5 |
| Former International Truck and Engine Corporation | Industrial | — | — | 5.2 yrs | 49.5 |
| Former Cromwell-Collier Publishing and Parking Lot | Industrial | — | — | 5.2 yrs | 49.5 |
| Mine Site | Former Mine | — | — | 5.2 yrs | 49.5 |
| Former Speco-Kelsey Hayes Manufacturing Facility | Industrial | — | — | 5.2 yrs | 49.5 |
| Former Haucke Complex | Industrial | — | — | 5.2 yrs | 49.5 |
| Mine Site | Former Mine | — | — | 5.2 yrs | 49.5 |
| Former Greenwalt/Trenor Complex | Industrial | — | — | 5.2 yrs | 49.5 |
Every scored site in Clark County
All 29 sites, best first.
- OZ Clark · b7c42814 · 58.6
- OZ Clark · 7668ee90 · 58.5
- EAST SPRINGFIELD · 56.6
- Substation-Adjacent site · d299cf5d · 56.3
- CLARK · 55.9
- Mine Site · 85324b3d · 50.2
- Mine Site · 6c6d823f · 50.2
- Mine Site · 0b29680e · 50.0
- Mine Site · 266d97f3 · 49.9
- SPRINGFIELD OH · 8c6e9d9e · 49.7
- Castle Knoll Building · 49.6
- Former SPECO Plant · 49.6
- Former Public Works Garage, 1000 East Street · 49.5
- First Christian Church · 49.5
- Former D and H Facility · 49.5
- Former James Leffel Company · 49.5
- Castle Bail Bonds · 49.5
- Mine Site · 126b0614 · 49.5
- Former International Truck and Engine Corporation · 49.5
- Former Cromwell-Collier Publishing and Parking Lot · 49.5
- Mine Site · 070530ff · 49.5
- Former Speco-Kelsey Hayes Manufacturing Facility · 49.5
- Former Haucke Complex · 49.5
- Mine Site · 6b11ca48 · 49.5
- Former Greenwalt/Trenor Complex · 49.5
- Robinson Insulation and Bob's Cool Customs · 49.4
- Mine Site · 7cab7bc2 · 49.3
- LONDON OHIO · c59d697b · 49.2
- Former Bayley Manufacturing Facility · 48.5
Clark County datacenter FAQ
How many datacenter sites are in Clark County?
29 scored datacenter candidate sites, averaging 50.9/100 DC Readiness. That is the 40th-most of 85 Ohio counties with five or more sites.
What is the highest-scoring datacenter site in Clark County?
OZ Clark · b7c42814 scores 58.6/100 DC Readiness, the highest of the 29 scored sites in Clark County (a greenfield site).
Does Clark County offer datacenter tax incentives?
DC sales tax exemption on equipment and electricity (2022 law); JobsOhio grants.
What is the natural-hazard risk in Clark County?
FEMA's National Risk Index rates Clark County as "Relatively Moderate" (score 30).
What are industrial electricity rates in Clark County?
Average industrial electricity is 7.52¢/kWh and commercial is 10.83¢/kWh in Clark 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
- Industrial sites in Ohio
- Former Mine 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 Clark County, Ohio”, https://gridcensus.com/datacenter-sites/ohio/clark-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 Clark 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.