WARTBURG
SubstationTennessee · TENNESSEE VALLEY AUTHORITY
At a glance
WARTBURG is an electric transmission substation in Tennessee, on TENNESSEE VALLEY AUTHORITY's transmission network. It is classified as distribution (69–115 kv) and connects 1 transmission line. Substation proximity is one of the strongest speed-to-power signals for siting a datacenter — interconnection distance to an energized, high-voltage bus is often the binding constraint on time-to-energization.
Voltage & classification
Ownership
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #141843 | 69 kV | TENNESSEE VALLEY AUTHORITY | IN SERVICE | 0.0 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of WARTBURG, ranked by DC Readiness. Sites this close to an energized substation carry a strong speed-to-power advantage.
| Site | Type | State | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|---|
| UNKNOWN115540 | Substation-Adjacent | TN | Roane County | 500 kV | 1,000 MW | 3.9 yrs | 69.5 |
| OAK RIDGE RESERVATION (USDOE) | Brownfield | TN | Anderson | 161 kV | 0 MW | 3.9 yrs | 65.1 |
| EATON | Substation-Adjacent | TN | Loudon County | 161 kV | 100 MW | 3.9 yrs | 63.9 |
| FORT LOUDON DAM | Substation-Adjacent | TN | Loudon County | 161 kV | 100 MW | 3.9 yrs | 63.8 |
| OZ Loudon | Greenfield | TN | Loudon | — | — | 3.9 yrs | 63.6 |
| WATT ROAD | Substation-Adjacent | TN | Loudon County | 161 kV | 100 MW | 3.9 yrs | 63.6 |
| UNKNOWN115833 | Substation-Adjacent | TN | Loudon County | 161 kV | 100 MW | 3.9 yrs | 63.5 |
| UNKNOWN115834 | Substation-Adjacent | TN | Loudon County | 161 kV | 100 MW | 3.9 yrs | 63.4 |
How does WARTBURG compare with other substations in Tennessee?
Tennessee has 1,967 substation records in HIFLD, of which 517 carry a station name; the rest are unnamed tap points, risers and line ends. 62 named substations in the state are in WARTBURG's 69–114 kV band (12% of named stations). 402 sit in a higher band. 25 named substations in Tennessee operate at 345 kV or above. The highest voltage recorded in the state is 500 kV, and the state median is 161 kV.
Who owns the transmission lines at WARTBURG?
The 1 connected line listed above is owned by TENNESSEE VALLEY AUTHORITY. Line voltages range from 69 kV to 69 kV. Their combined recorded length is about 0 miles.
How do candidate sites near WARTBURG score?
The 8 highest-scoring candidate sites within about 25 miles range from 63 to 70 on the 0–100 DC Readiness scale. They fall in Roane County, Anderson, Loudon County, Loudon. The Tennessee average across 2,190 scored sites is 57. 886 of those Tennessee sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
What voltage is WARTBURG substation?
WARTBURG has a maximum voltage of 69 kV. That places it in the 69–114 kV band. The median named US substation in this dataset is 115 kV, so WARTBURG is below the national midpoint.
How many transmission lines connect to WARTBURG substation?
1 transmission line terminate at or pass through WARTBURG in the HIFLD line data. The connected lines listed here run at 69 kV. Together the listed lines cover about 0 miles.
Who owns WARTBURG substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at WARTBURG belong to TENNESSEE VALLEY AUTHORITY. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is WARTBURG substation located?
WARTBURG is in Tennessee at 36.1143, -84.6045. The datacenter candidate sites closest to it are in Roane County, Anderson, Loudon County.
Are there datacenter candidate sites near WARTBURG substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of WARTBURG. The highest-scoring is UNKNOWN115540 at 70/100. Across Tennessee, the average DC Readiness score is 57.
Other 69 kV substations in Tennessee
- ARLINGTON· 6 lines
- EASTBRIDGE· 4 lines
- MELTON HILL DAM· 4 lines
- SPRINGFIELD DIST· 4 lines
- HARROGATE· 3 lines
- KYLES FORD· 3 lines
- MCKENZIE· 3 lines
- MOHAWK· 3 lines
- All named substations in Tennessee· 517 stations
- Datacenter candidate sites in Tennessee· 2,190 sites
- Brownfield and retired plant sites in Tennessee
- Substations by state
About this data
Source: HIFLD Electric Substations and Transmission Lines (U.S. Department of Homeland Security), as published June 29, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “WARTBURG substation, Tennessee”, https://gridcensus.com/substations/tennessee/wartburg-f7a7d4ab (data as of June 29, 2026).
Dataset updated . Screening estimates derived from public data sources.
Substation attributes are derived from public HIFLD / EIA infrastructure data and may lag real-world upgrades or retirements. Voltage and connected-line counts are screening figures — confirm available capacity and interconnection terms directly with the operating utility and ISO.
Go deeper than the public screen
Every site and score for WARTBURG substation, 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.