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Datacenter Sites in Harrison County, Ohio

Harrison County has 70 scored datacenter candidate sites averaging 48.4/100 DC Readiness, with a catalogued aggregate of 150 MW. FEMA rates local natural-hazard risk as "Relatively Moderate". The county has a datacenter tax incentive on record.

At a glance

Harrison County, Ohio has 70 scored datacenter candidate sites averaging 48.4/100 DC Readiness, roughly in line with the Ohio average of 53.2. It ranks 15th of 85 Ohio counties by number of sites and 85th by average score. The top-scoring site is EC Coal Harrison County · 6295de11 at 56.3/100.

70
Candidate sites
48.4/100
Avg DC Readiness
150 MW
Catalogued capacity
theoretical aggregate
Relatively Moderate
Hazard rating
◆ Loading map…
≥ 7560–7540–60≤ 40
Top 25 in Harrison County

Site-selection context for Harrison County

Yessales_tax_exemption
Datacenter tax incentive
11.81¢/kWh
Commercial electricity
9.80¢/kWh
Industrial electricity
6
Fiber providers
Low
Water stress
$5,421
Land price / acre
900
Cooling degree days
5,400
Heating degree days
51°F
Mean annual temp

Incentive detail: DC sales tax exemption on equipment and electricity (2022 law); JobsOhio grants.

How does Harrison County compare with other counties in Ohio?

By number of scored sites, Harrison County ranks 15th of the 85 Ohio counties with a county page, holding 1.8% of the state's 3,933 sites. Its average DC Readiness of 48.4/100 ranks 85th in the state and is roughly in line with the national average of 53.0. Nationally it has the 527th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 2 score 55 or higher.

What types of datacenter sites are in Harrison County?

Former Mine sites are the most common (62, 89% of the county's inventory), followed by greenfield (6) 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 Harrison County?

Industrial electricity averages 9.80¢/kWh and commercial 11.81¢/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 $5,421 an acre.

By site type

Top datacenter sites in Harrison County

Top datacenter sites in Harrison County
SiteTypeVoltageCapacityQueue waitScore
EC Coal Harrison CountyGreenfield——5.2 yrs56.3
EC Coal Harrison CountyGreenfield——5.2 yrs55.8
UNKNOWN136872Substation-Adjacent138 kV100 MW5.2 yrs54.0
EC FFE Harrison CountyGreenfield——5.2 yrs53.5
OZ HarrisonGreenfield——5.2 yrs51.8
EC Coal Harrison CountyGreenfield——5.2 yrs51.6
SMYRNASubstation-Adjacent69 kV50 MW5.2 yrs50.9
EC Coal Harrison CountyGreenfield——5.2 yrs49.8
Mine SiteFormer Mine——5.2 yrs49.0
Mine SiteFormer Mine——5.2 yrs49.0
Mine SiteFormer Mine——5.2 yrs49.0
Mine SiteFormer Mine——5.2 yrs48.7
Mine SiteFormer Mine——5.2 yrs48.6
Mine SiteFormer Mine——5.2 yrs48.0
Mine SiteFormer Mine——5.2 yrs48.0
Mine SiteFormer Mine——5.2 yrs47.9
Mine SiteFormer Mine——5.2 yrs47.9
Mine SiteFormer Mine——5.2 yrs47.9
Mine SiteFormer Mine——5.2 yrs47.9
Mine SiteFormer Mine——5.2 yrs47.9
Mine SiteFormer Mine——5.2 yrs47.9
Mine SiteFormer Mine——5.2 yrs47.9
Mine SiteFormer Mine——5.2 yrs47.9
Mine SiteFormer Mine——5.2 yrs47.9
Mine SiteFormer Mine——5.2 yrs47.9

Every scored site in Harrison County

All 70 sites, best first.

Harrison County datacenter FAQ

How many datacenter sites are in Harrison County?

70 scored datacenter candidate sites, averaging 48.4/100 DC Readiness. That is the 15th-most of 85 Ohio counties with five or more sites.

What is the highest-scoring datacenter site in Harrison County?

EC Coal Harrison County · 6295de11 scores 56.3/100 DC Readiness, the highest of the 70 scored sites in Harrison County (a greenfield site).

Does Harrison County offer datacenter tax incentives?

DC sales tax exemption on equipment and electricity (2022 law); JobsOhio grants.

What is the natural-hazard risk in Harrison County?

FEMA's National Risk Index rates Harrison County as "Relatively Moderate" (score 30).

What are industrial electricity rates in Harrison County?

Average industrial electricity is 9.80¢/kWh and commercial is 11.81¢/kWh in Harrison County.

More 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 Harrison County, Ohio”, https://gridcensus.com/datacenter-sites/ohio/harrison-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 Harrison 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.

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