Datacenter Sites in Decatur County, Tennessee
Decatur County has 6 scored datacenter candidate sites averaging 53.0/100 DC Readiness, with a catalogued aggregate of 200 MW. FEMA rates local natural-hazard risk as "Relatively High". The county has a datacenter tax incentive on record.
At a glance
Decatur County, Tennessee has 6 scored datacenter candidate sites averaging 53.0/100 DC Readiness, roughly in line with the Tennessee average of 57.0. It ranks 77th of 87 Tennessee counties by number of sites and 80th by average score. The top-scoring site is Substation-Adjacent site · 9cbddaf4 at 56.5/100.
Site-selection context for Decatur County
Incentive detail: Sales tax exemption on DC equipment for $250M+ investments; no state income tax on wages.
How does Decatur County compare with other counties in Tennessee?
By number of scored sites, Decatur County ranks 77th of the 87 Tennessee counties with a county page, holding 0.3% of the state's 2,190 sites. Its average DC Readiness of 53.0/100 ranks 80th in the state and is roughly in line with the national average of 53.0. Nationally it has the 2781st-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 Decatur County?
Former Mine sites are the most common (3, 50% of the county's inventory), followed by substation-adjacent (2) and industrial (1). 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 Decatur County?
Industrial electricity averages 6.70¢/kWh and commercial 11.85¢/kWh. FEMA's National Risk Index rates the county "Relatively High" (38). WRI water stress is low. 3 fiber providers report service in the county. The climate runs 1,600 cooling degree days a year with a mean temperature of 58°F. Land is valued around $2,946 an acre.
By site type
Top datacenter sites in Decatur County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN159909 | Substation-Adjacent | 161 kV | 100 MW | 3.9 yrs | 56.5 |
| PARSONS | Substation-Adjacent | 161 kV | 100 MW | 3.9 yrs | 56.5 |
| Mine Site | Former Mine | — | — | 3.9 yrs | 51.7 |
| Mine Site | Former Mine | — | — | 3.9 yrs | 51.5 |
| Decaturville Sportswear Property | Industrial | — | — | 3.9 yrs | 50.8 |
| Mine Site | Former Mine | — | — | 3.9 yrs | 50.8 |
Every scored site in Decatur County
All 6 sites, best first.
- Substation-Adjacent site · 9cbddaf4 · 56.5
- PARSONS · 56.5
- Mine Site · c1af3610 · 51.7
- Mine Site · 217a27d7 · 51.5
- Decaturville Sportswear Property · 50.8
- Mine Site · 5bc3d6af · 50.8
Decatur County datacenter FAQ
How many datacenter sites are in Decatur County?
6 scored datacenter candidate sites, averaging 53.0/100 DC Readiness. That is the 77th-most of 87 Tennessee counties with five or more sites.
What is the highest-scoring datacenter site in Decatur County?
Substation-Adjacent site · 9cbddaf4 scores 56.5/100 DC Readiness, the highest of the 6 scored sites in Decatur County (a substation-adjacent site).
Does Decatur 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 Decatur County?
FEMA's National Risk Index rates Decatur County as "Relatively High" (score 38).
What are industrial electricity rates in Decatur County?
Average industrial electricity is 6.70¢/kWh and commercial is 11.85¢/kWh in Decatur County.
More in Tennessee
- All datacenter sites in Tennessee· 2,190 sites
- Operating datacenters in Tennessee
- Electric substations in Tennessee
- Campbell County· 137 sites · avg 52.5
- Knox County· 122 sites · avg 60.3
- Cumberland County· 87 sites · avg 53.9
- Anderson County· 81 sites · avg 57.0
- Davidson County· 79 sites · avg 62.2
- Shelby· 75 sites · avg 61.2
- Former Mine sites in Tennessee
- Substation-Adjacent sites in Tennessee
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 Decatur County, Tennessee”, https://gridcensus.com/datacenter-sites/tennessee/decatur-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 Decatur County, Tennessee 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.