Datacenter Sites in Humphreys, Tennessee
Humphreys has 20 scored datacenter candidate sites averaging 57.7/100 DC Readiness, with a catalogued aggregate of 400 MW. FEMA rates local natural-hazard risk as "Relatively High". The county has a datacenter tax incentive on record.
At a glance
Humphreys, Tennessee has 20 scored datacenter candidate sites averaging 57.7/100 DC Readiness, roughly in line with the Tennessee average of 57.0. It ranks 33rd of 87 Tennessee counties by number of sites and 38th by average score. The top-scoring site is EC Near Johnsonville · e60ab7e2 at 61.0/100.
Site-selection context for Humphreys
Incentive detail: Sales tax exemption on DC equipment for $250M+ investments; no state income tax on wages.
How does Humphreys compare with other counties in Tennessee?
By number of scored sites, Humphreys ranks 33rd of the 87 Tennessee counties with a county page, holding 0.9% of the state's 2,190 sites. Its average DC Readiness of 57.7/100 ranks 38th in the state and is roughly in line with the national average of 53.0. Nationally it has the 1729th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 15 score 55 or higher.
What types of datacenter sites are in Humphreys?
Greenfield sites are the most common (14, 70% of the county's inventory), followed by substation-adjacent (4) and former mine (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 Humphreys?
Industrial electricity averages 6.42¢/kWh and commercial 11.73¢/kWh. FEMA's National Risk Index rates the county "Relatively High" (38). WRI water stress is low. 5 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 $3,358 an acre.
By site type
Top datacenter sites in Humphreys
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| EC Near Johnsonville | Greenfield | — | — | 3.9 yrs | 61.0 |
| TAP152198 | Substation-Adjacent | 161 kV | 100 MW | 3.9 yrs | 60.9 |
| TAP170452 | Substation-Adjacent | 161 kV | 100 MW | 3.9 yrs | 60.9 |
| EC Near Johnsonville | Greenfield | — | — | 3.9 yrs | 60.6 |
| EC Near Johnsonville | Greenfield | — | — | 3.9 yrs | 60.6 |
| EC Near Johnsonville | Greenfield | — | — | 3.9 yrs | 59.7 |
| EC Coal Humphreys County | Greenfield | — | — | 3.9 yrs | 58.8 |
| EC Near Johnsonville | Greenfield | — | — | 3.9 yrs | 58.5 |
| EC Near Johnsonville | Greenfield | — | — | 3.9 yrs | 58.2 |
| EC Near Johnsonville | Greenfield | — | — | 3.9 yrs | 58.1 |
| EC Coal Humphreys County | Greenfield | — | — | 3.9 yrs | 57.9 |
| EC Coal Humphreys County | Greenfield | — | — | 3.9 yrs | 57.9 |
| EC Coal Humphreys County | Greenfield | — | — | 3.9 yrs | 57.6 |
| MCEWEN | Substation-Adjacent | 69 kV | 50 MW | 3.9 yrs | 57.2 |
| NORTH WAVERLY | Substation-Adjacent | 69 kV | 50 MW | 3.9 yrs | 57.2 |
| Greenfield (TAP155125 - TAP170452) | Greenfield | 161 kV | 100 MW | 3.9 yrs | 54.4 |
| Mine Site | Former Mine | — | — | 3.9 yrs | 54.2 |
| Mine Site | Former Mine | — | — | 3.9 yrs | 53.3 |
| EC Near Johnsonville | Greenfield | — | — | 3.9 yrs | 53.2 |
| EC Near Johnsonville | Greenfield | — | — | 3.9 yrs | 53.0 |
Every scored site in Humphreys
All 20 sites, best first.
- EC Near Johnsonville · e60ab7e2 · 61.0
- Substation-Adjacent site · de12beeb · 60.9
- Substation-Adjacent site · db833378 · 60.9
- EC Near Johnsonville · 596a518c · 60.6
- EC Near Johnsonville · f652aa16 · 60.6
- EC Near Johnsonville · ea9f07b8 · 59.7
- EC Coal Humphreys County · cd618348 · 58.8
- EC Near Johnsonville · d04ecbf7 · 58.5
- EC Near Johnsonville · 0c513ad4 · 58.2
- EC Near Johnsonville · e5d44a75 · 58.1
- EC Coal Humphreys County · b33a2885 · 57.9
- EC Coal Humphreys County · 9a37f495 · 57.9
- EC Coal Humphreys County · 20c34ea6 · 57.6
- MCEWEN · 57.2
- NORTH WAVERLY · 57.2
- Greenfield (TAP155125 - TAP170452) · 54.4
- Mine Site · be360f88 · 54.2
- Mine Site · 41fbd452 · 53.3
- EC Near Johnsonville · 5fef7566 · 53.2
- EC Near Johnsonville · 3fd61ff1 · 53.0
Humphreys datacenter FAQ
How many datacenter sites are in Humphreys?
20 scored datacenter candidate sites, averaging 57.7/100 DC Readiness. That is the 33rd-most of 87 Tennessee counties with five or more sites.
What is the highest-scoring datacenter site in Humphreys?
EC Near Johnsonville · e60ab7e2 scores 61.0/100 DC Readiness, the highest of the 20 scored sites in Humphreys (a greenfield site).
Does Humphreys 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 Humphreys?
FEMA's National Risk Index rates Humphreys as "Relatively High" (score 38).
What are industrial electricity rates in Humphreys?
Average industrial electricity is 6.42¢/kWh and commercial is 11.73¢/kWh in Humphreys.
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
- Greenfield 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 Humphreys, Tennessee”, https://gridcensus.com/datacenter-sites/tennessee/humphreys (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 Humphreys, 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.