Datacenter Sites in Ottawa County, Ohio
Ottawa County has 36 scored datacenter candidate sites averaging 52.2/100 DC Readiness, with a catalogued aggregate of 1,603 MW. FEMA rates local natural-hazard risk as "Relatively Moderate". The county has a datacenter tax incentive on record.
At a glance
Ottawa County, Ohio has 36 scored datacenter candidate sites averaging 52.2/100 DC Readiness, roughly in line with the Ohio average of 53.2. It ranks 35th of 85 Ohio counties by number of sites and 52nd by average score. The top-scoring site is Substation-Adjacent site · ae6cc0d7 at 63.8/100.
Site-selection context for Ottawa County
Incentive detail: DC sales tax exemption on equipment and electricity (2022 law); JobsOhio grants.
How does Ottawa County compare with other counties in Ohio?
By number of scored sites, Ottawa County ranks 35th of the 85 Ohio counties with a county page, holding 0.9% of the state's 3,933 sites. Its average DC Readiness of 52.2/100 ranks 52nd in the state and is roughly in line with the national average of 53.0. Nationally it has the 1072nd-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 7 score 55 or higher.
What types of datacenter sites are in Ottawa County?
Industrial sites are the most common (17, 47% of the county's inventory), followed by greenfield (11) and substation-adjacent (4). 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 Ottawa County?
Industrial electricity averages 7.20¢/kWh and commercial 11.99¢/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 $7,882 an acre.
By site type
Top datacenter sites in Ottawa County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN113830 | Substation-Adjacent | 345 kV | 600 MW | 5.2 yrs | 63.8 |
| DAVIS-BESSE | Substation-Adjacent | 345 kV | 600 MW | 5.2 yrs | 62.4 |
| EC Near Ottawa County Project | Greenfield | — | — | 5.2 yrs | 58.1 |
| LAKEVIEW | Substation-Adjacent | 138 kV | 100 MW | 5.2 yrs | 56.6 |
| UNKNOWN114975 | Substation-Adjacent | 138 kV | 100 MW | 5.2 yrs | 56.5 |
| Ottawa County Project | Brownfield | — | 3 MW | 5.2 yrs | 56.1 |
| EC Near Ottawa County Project | Greenfield | — | — | 5.2 yrs | 55.2 |
| EC Near Ottawa County Project | Greenfield | — | — | 5.2 yrs | 53.0 |
| EC Near Ottawa County Project | Greenfield | — | — | 5.2 yrs | 52.3 |
| Ross Abbott Property | Industrial | — | — | 5.2 yrs | 52.2 |
| Former Hunt's Sohio | Industrial | — | — | 5.2 yrs | 52.1 |
| Hunts Sohio | Industrial | — | — | 5.2 yrs | 52.1 |
| Former Bank of Elmore | Industrial | — | — | 5.2 yrs | 51.9 |
| EC Near Ottawa County Project | Greenfield | — | — | 5.2 yrs | 51.9 |
| Mine Site | Former Mine | — | — | 5.2 yrs | 51.7 |
| EC FFE Ottawa County | Greenfield | — | — | 5.2 yrs | 51.4 |
| EC Near Ottawa County Project | Greenfield | — | — | 5.2 yrs | 51.0 |
| EC Near Ottawa County Project | Greenfield | — | — | 5.2 yrs | 50.9 |
| Building 626 - Lake Erie Business Park | Industrial | — | — | 5.2 yrs | 50.6 |
| Greenfield (UNKNOWN114975 - DECANT) | Greenfield | 138 kV | 100 MW | 5.2 yrs | 50.6 |
| Transmissions Unlimited | Industrial | — | — | 5.2 yrs | 50.5 |
| Premium Auto Repair | Industrial | — | — | 5.2 yrs | 50.4 |
| Waterworks Property | Industrial | — | — | 5.2 yrs | 50.4 |
| Carroll Elementary School | Industrial | — | — | 5.2 yrs | 50.3 |
| 315 Lincoln Drive | Industrial | — | — | 5.2 yrs | 50.2 |
Every scored site in Ottawa County
All 36 sites, best first.
- Substation-Adjacent site · ae6cc0d7 · 63.8
- DAVIS-BESSE · 62.4
- EC Near Ottawa County Project · 8009e2f6 · 58.1
- LAKEVIEW · 56.6
- Substation-Adjacent site · e9abc78c · 56.5
- Ottawa County Project · 56.1
- EC Near Ottawa County Project · bcfdce67 · 55.2
- EC Near Ottawa County Project · 1afc2940 · 53.0
- EC Near Ottawa County Project · 3d5cc19a · 52.3
- Ross Abbott Property · 52.2
- Former Hunt's Sohio · 52.1
- Hunts Sohio · 52.1
- Former Bank of Elmore · 51.9
- EC Near Ottawa County Project · e0431087 · 51.9
- Mine Site · 054b3724 · 51.7
- EC FFE Ottawa County · 51.4
- EC Near Ottawa County Project · 2eaafb60 · 51.0
- EC Near Ottawa County Project · 22c91e65 · 50.9
- Building 626 - Lake Erie Business Park · 50.6
- Greenfield (UNKNOWN114975 - DECANT) · 50.6
- Transmissions Unlimited · 50.5
- Premium Auto Repair · 50.4
- Waterworks Property · 50.4
- Carroll Elementary School · 50.3
- 315 Lincoln Drive · 50.2
- Former Sorensen's Products Property · 50.2
- Port Clinton Manufacturing · 50.1
- Port Clinton Transient Marina · 50.1
- Erie Business Park · 50.0
- EC Near Ottawa County Project · 7e656fdd · 50.0
- Greenfield (UNKNOWN113223 - LAKEVIEW) · 50.0
- Erie Ottawa International Airport · 50.0
- Former Walmart · 49.8
- OH0033 BPS-Sandusky Bay Station, Marine Unit/Sandusky/Port Clinton · ac3caff5 · 49.6
- Mine Site · 04931bd2 · 49.6
- 214 E. Main Street · 49.4
Ottawa County datacenter FAQ
How many datacenter sites are in Ottawa County?
36 scored datacenter candidate sites, averaging 52.2/100 DC Readiness. That is the 35th-most of 85 Ohio counties with five or more sites.
What is the highest-scoring datacenter site in Ottawa County?
Substation-Adjacent site · ae6cc0d7 scores 63.8/100 DC Readiness, the highest of the 36 scored sites in Ottawa County (a substation-adjacent site).
Does Ottawa County offer datacenter tax incentives?
DC sales tax exemption on equipment and electricity (2022 law); JobsOhio grants.
What is the natural-hazard risk in Ottawa County?
FEMA's National Risk Index rates Ottawa County as "Relatively Moderate" (score 30).
What are industrial electricity rates in Ottawa County?
Average industrial electricity is 7.20¢/kWh and commercial is 11.99¢/kWh in Ottawa 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
- 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 Ottawa County, Ohio”, https://gridcensus.com/datacenter-sites/ohio/ottawa-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 Ottawa 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.