Datacenter Sites in Union County, Tennessee
Union County has 13 scored datacenter candidate sites averaging 64.1/100 DC Readiness, with a catalogued aggregate of 3,600 MW. FEMA rates local natural-hazard risk as "Relatively High". The county has a datacenter tax incentive on record.
13
Candidate sites
64.1/100
Avg DC Readiness
3,600 MW
Catalogued capacity
theoretical aggregate
Relatively High
Hazard rating
Site-selection context for Union County
Yessales_tax_exemption
Datacenter tax incentive
10.94¢/kWh
Commercial electricity
5.68¢/kWh
Industrial electricity
6
Fiber providers
Low
Water stress
$4,605
Land price / acre
1,600
Cooling degree days
3,600
Heating degree days
58°F
Mean annual temp
Incentive detail: Sales tax exemption on DC equipment for $250M+ investments; no state income tax on wages.
By site type
Top datacenter sites in Union County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| Greenfield (VOLUNTEER - WATTS BAR POWER ST) | Greenfield | 500 kV | 1,000 MW | 3.7 yrs | 75.1 |
| Greenfield (VOLUNTEER - WATTS BAR POWER ST) | Greenfield | 500 kV | 1,000 MW | 3.7 yrs | 72.2 |
| UNKNOWN116075 | Substation-Adjacent | 161 kV | 100 MW | 3.7 yrs | 72.1 |
| Greenfield (PHILLIPS BEND - VOLUNTEER) | Greenfield | 500 kV | 1,000 MW | 3.7 yrs | 71.6 |
| Greenfield (TAP151195 - TAP154609) | Greenfield | 161 kV | 100 MW | 3.7 yrs | 66.8 |
| Greenfield (VOLUNTEER - CHEROKEE DAM) | Greenfield | 161 kV | 100 MW | 3.7 yrs | 66.6 |
| Greenfield (VOLUNTEER - TAP155224) | Greenfield | 161 kV | 100 MW | 3.7 yrs | 66.5 |
| OZ Union | Greenfield | — | — | 3.7 yrs | 62.3 |
| EC Coal Union County | Greenfield | — | — | 3.7 yrs | 61.8 |
| Greenfield (VOLUNTEER - CHEROKEE DAM) | Greenfield | 161 kV | 100 MW | 3.7 yrs | 60.4 |
| Greenfield (VOLUNTEER - TAP152105) | Greenfield | 161 kV | 100 MW | 3.7 yrs | 59.6 |
| Mine Site | Former Mine | — | — | — | 49.4 |
| Mine Site | Former Mine | — | — | — | 48.3 |
Union County datacenter FAQ
- How many datacenter sites are in Union County?
- 13 scored datacenter candidate sites, averaging 64.1/100 DC Readiness.
- Does Union County offer datacenter tax incentives?
- Sales tax exemption on DC equipment for $250M+ investments; no state income tax on wages.
- What is the natural-hazard risk in Union County?
- FEMA's National Risk Index rates Union County as "Relatively High" (score 38).
- What are industrial electricity rates in Union County?
- Average industrial electricity is 5.68¢/kWh and commercial is 10.94¢/kWh in Union County.
Dataset updated . Screening estimates derived from public data sources.
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This page shows a public slice of the GridCensus dataset for Union County, Tennessee. Pro and Enterprise plans unlock the full 164,098-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.