Datacenter Sites in Union County, Ohio
Union County has 25 scored datacenter candidate sites averaging 65.1/100 DC Readiness, with a catalogued aggregate of 10,800 MW. FEMA rates local natural-hazard risk as "Relatively Moderate". The county has a datacenter tax incentive on record.
25
Candidate sites
65.1/100
Avg DC Readiness
10,800 MW
Catalogued capacity
theoretical aggregate
Relatively Moderate
Hazard rating
Site-selection context for Union County
Yessales_tax_exemption
Datacenter tax incentive
10.69¢/kWh
Commercial electricity
8.26¢/kWh
Industrial electricity
12
Fiber providers
Low
Water stress
$8,151
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.
By site type
Top datacenter sites in Union County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| MARYSVILLE | Substation-Adjacent | 765 kV | 1,000 MW | 3.2 yrs | 76.2 |
| TANGY | Substation-Adjacent | 345 kV | 600 MW | 3.2 yrs | 74.1 |
| Greenfield (FLATLICK - MARYSVILLE) | Greenfield | 765 kV | 1,000 MW | 3.2 yrs | 71.8 |
| Greenfield (CORRIDOR - MARYSVILLE) | Greenfield | 765 kV | 1,000 MW | 3.2 yrs | 71.2 |
| MARYSVILLE | Substation-Adjacent | 765 kV | 1,000 MW | 3.0 yrs | 70.6 |
| UNKNOWN141217 | Substation-Adjacent | 138 kV | 100 MW | 3.2 yrs | 70.2 |
| Greenfield (HYATT - MARYSVILLE) | Greenfield | 345 kV | 600 MW | 3.2 yrs | 68.5 |
| TAP152450 | Substation-Adjacent | 138 kV | 100 MW | 3.2 yrs | 68.4 |
| Greenfield (MARYSVILLE - TANGY) | Greenfield | 345 kV | 600 MW | 3.2 yrs | 67.9 |
| Greenfield (MARYSVILLE - TANGY) | Greenfield | 345 kV | 600 MW | 3.2 yrs | 67.5 |
| Greenfield (SORENSON - MARYSVILLE) | Greenfield | 765 kV | 1,000 MW | 3.0 yrs | 67.2 |
| Greenfield (HYATT - MARYSVILLE) | Greenfield | 345 kV | 600 MW | 3.2 yrs | 66.6 |
| Greenfield (MARYSVILLE - EAST LIMA SUBSTAT) | Greenfield | 345 kV | 600 MW | 3.2 yrs | 66.3 |
| Greenfield (MARYSVILLE - EAST LIMA SUBSTAT) | Greenfield | 345 kV | 600 MW | 3.2 yrs | 66.2 |
| TAP163085 | Substation-Adjacent | 138 kV | 100 MW | 3.2 yrs | 65.6 |
| TAP153615 | Substation-Adjacent | 138 kV | 100 MW | 3.2 yrs | 65.1 |
| UNKNOWN152449 | Substation-Adjacent | 138 kV | 100 MW | 3.2 yrs | 65.1 |
| Greenfield (MARYSVILLE - SOUTHWEST LIMA) | Greenfield | 345 kV | 600 MW | 3.2 yrs | 64.0 |
| Greenfield (UNKNOWN113252 - TANGY) | Greenfield | 138 kV | 100 MW | 3.2 yrs | 63.1 |
| UNKNOWN113252 | Substation-Adjacent | 138 kV | 100 MW | 3.2 yrs | 62.8 |
| Greenfield (EAST SPRINGFIELD - UNKNOWN1132) | Greenfield | 138 kV | 100 MW | 3.2 yrs | 60.1 |
| Greenfield (EAST SPRINGFIELD - UNKNOWN1132) | Greenfield | 138 kV | 100 MW | 3.2 yrs | 58.5 |
| Greenfield (UNKNOWN113252 - TANGY) | Greenfield | 138 kV | 100 MW | 3.2 yrs | 56.6 |
| Mine Site | Former Mine | — | — | — | 47.0 |
| Mine Site | Former Mine | — | — | — | 47.0 |
Union County datacenter FAQ
- How many datacenter sites are in Union County?
- 25 scored datacenter candidate sites, averaging 65.1/100 DC Readiness.
- Does Union County offer datacenter tax incentives?
- DC sales tax exemption on equipment and electricity (2022 law); JobsOhio grants.
- What is the natural-hazard risk in Union County?
- FEMA's National Risk Index rates Union County as "Relatively Moderate" (score 30).
- What are industrial electricity rates in Union County?
- Average industrial electricity is 8.26¢/kWh and commercial is 10.69¢/kWh in Union County.
Dataset updated . Screening estimates derived from public data sources.
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