Substation-Adjacent Datacenter Sites in Tennessee
At a glance
Parcels sited next to existing transmission substations. Co-location with a substation is the single strongest speed-to-power signal — interconnection distance is measured in feet, not miles.
Top substation-adjacent sites in Tennessee
| Site | Type | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|
| PIN HOOK | Substation-Adjacent | Davidson County | 500 kV | 1,000 MW | 3.9 yrs | 72.8 |
| BULL RUN | Substation-Adjacent | Anderson County | 500 kV | 1,000 MW | 3.9 yrs | 72.2 |
| RACCOON MOUNTAIN | Substation-Adjacent | Hamilton County | 500 kV | 1,000 MW | 3.9 yrs | 72.0 |
| FREEPORT | Substation-Adjacent | DeSoto County | 500 kV | 1,000 MW | 3.9 yrs | 71.8 |
| JOHNSONVILLE | Substation-Adjacent | Benton County | 500 kV | 1,000 MW | 3.9 yrs | 71.8 |
| VOLUNTEER | Substation-Adjacent | Knox County | 500 kV | 1,000 MW | 3.9 yrs | 71.5 |
| MONTGOMERY | Substation-Adjacent | Montgomery County | 500 kV | 1,000 MW | 3.9 yrs | 71.4 |
| WILSON | Substation-Adjacent | Wilson County | 500 kV | 1,000 MW | 3.9 yrs | 71.4 |
| DAVIDSON | Substation-Adjacent | Williamson County | 500 kV | 1,000 MW | 3.9 yrs | 71.3 |
| SHELBY | Substation-Adjacent | Tipton County | 500 kV | 1,000 MW | 3.9 yrs | 71.3 |
| CORDOVA | Substation-Adjacent | Shelby County | 500 kV | 1,000 MW | 3.9 yrs | 71.2 |
| RUTHERFORD | Substation-Adjacent | Rutherford County | 500 kV | 1,000 MW | 3.9 yrs | 71.0 |
| UNKNOWN115420 | Substation-Adjacent | Hamilton County | 500 kV | 1,000 MW | 3.9 yrs | 69.9 |
| TAP155407 | Substation-Adjacent | Bradley County | 500 kV | 1,000 MW | 3.9 yrs | 69.6 |
| UNKNOWN115540 | Substation-Adjacent | Roane County | 500 kV | 1,000 MW | 3.9 yrs | 69.5 |
| MAURY | Substation-Adjacent | Maury County | 500 kV | 1,000 MW | 3.9 yrs | 69.3 |
| CUMBERLAND 500KV | Substation-Adjacent | Houston County | 500 kV | 1,000 MW | 3.9 yrs | 68.8 |
| WEAKLEY | Substation-Adjacent | Weakley County | 500 kV | 1,000 MW | 3.9 yrs | 68.4 |
| GLEASON | Substation-Adjacent | Weakley County | 500 kV | 1,000 MW | 3.9 yrs | 68.3 |
| UNKNOWN115609 | Substation-Adjacent | Crittenden County | 500 kV | 1,000 MW | 3.9 yrs | 68.3 |
| JACKSON | Substation-Adjacent | Madison County | 500 kV | 1,000 MW | 3.9 yrs | 68.0 |
| UNKNOWN170313 | Substation-Adjacent | Bradley County | 500 kV | 1,000 MW | 3.9 yrs | 67.7 |
| FRANKLIN | Substation-Adjacent | Coffee County | 500 kV | 1,000 MW | 3.9 yrs | 67.4 |
| WATTS BAR POWER STATION | Substation-Adjacent | Meigs County | 500 kV | 1,000 MW | 3.9 yrs | 66.9 |
| BROWNSVILLE | Substation-Adjacent | Haywood County | 500 kV | 1,000 MW | 3.9 yrs | 66.8 |
How does Tennessee compare with other states for substation-adjacent sites?
With 886 sites, Tennessee ranks 17th of the 52 states that have any substation-adjacent candidate sites. Texas leads with 3,635. Nationally, substation-adjacent sites average 57.4/100 DC Readiness, above the 53.0 average across all site types. Across every site type, Tennessee averages 57.0, the 4th-highest of 52 states, and its candidate sites face an average interconnection-queue wait of 4.0 years.
Where are the highest-scoring substation-adjacent sites in Tennessee?
The top 25 range from 72.8 to 66.8 on the 0–100 DC Readiness Score. They are concentrated in Hamilton County (2), Bradley County (2) and Weakley County (2). By grid region, 25 are in SERC.
County pages: Hamilton County · Bradley County · Weakley County · Davidson County
What power, fiber and flood exposure do these substation-adjacent sites have?
Of the top 25 substation-adjacent sites in Tennessee, 25 have a recorded nearest-substation voltage, with a median of 500 kV; for 25 that substation is rated 230 kV or higher. Their counties have a median of 6 fixed fiber broadband providers in FCC data. The median distance to the nearest internet exchange facility is 28 km. The median interconnection-queue wait in their markets is 3.9 years. None of the 1 with a mapped FEMA flood zone sits in a high-risk (A or V) zone.
Frequently asked questions
How many substation-adjacent datacenter sites are in Tennessee?
GridCensus catalogs 886 substation-adjacent datacenter candidate sites in Tennessee, 2% of the national total for this type (17th of 52 states).
What is a substation-adjacent datacenter site?
Parcels sited next to existing transmission substations. Co-location with a substation is the single strongest speed-to-power signal — interconnection distance is measured in feet, not miles.
What is the best substation-adjacent datacenter site in Tennessee?
By DC Readiness Score, PIN HOOK in Davidson County ranks first at 72.8/100, followed by BULL RUN in Anderson County at 72.2.
Which Tennessee counties have the best substation-adjacent sites?
The top 25 substation-adjacent sites in Tennessee are concentrated in Hamilton County (2), Bradley County (2) and Weakley County (2).
How does Tennessee score for datacenters overall?
All 2,190 scored sites in Tennessee average 57.0/100 DC Readiness, the 4th-highest of 52 states, against a national average of 53.0.
More on substation-adjacent sites and Tennessee
- All datacenter sites in Tennessee· 2,190 sites
- Substation-Adjacent datacenter sites nationwide· 38,820 sites
- Former Mine sites in Tennessee· 661 sites
- Greenfield sites in Tennessee· 341 sites
- Industrial sites in Tennessee· 247 sites
- Shovel-Ready sites in Tennessee· 45 sites
- Brownfield sites in Tennessee· 9 sites
Substation-Adjacent sites in other states
- Substation-Adjacent sites in Texas· 3,635 sites
- Substation-Adjacent sites in California· 1,573 sites
- Substation-Adjacent sites in Florida· 1,539 sites
- Substation-Adjacent sites in Georgia· 1,530 sites
- Substation-Adjacent sites in Oklahoma· 1,344 sites
- Substation-Adjacent sites in Washington· 1,343 sites
- Substation-Adjacent sites in Minnesota· 1,270 sites
- Substation-Adjacent sites in Kentucky· 1,261 sites
Dataset updated . Screening estimates derived from public data sources.
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, “Substation-Adjacent datacenter sites in Tennessee”, https://gridcensus.com/site-types/substation/tennessee (data as of November 12, 2026).
Go deeper than the public screen
Every site and score for Substation-Adjacent sites in 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.