MOSCOW SOUTH WEST STATION
SubstationKentucky · TENNESSEE VALLEY AUTHORITY
At a glance
MOSCOW SOUTH WEST STATION is an electric transmission substation in Kentucky, on TENNESSEE VALLEY AUTHORITY's transmission network. It is classified as sub-transmission (138 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
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #163729 | 161 kV | TENNESSEE VALLEY AUTHORITY | IN SERVICE | 4.0 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of MOSCOW SOUTH WEST STATION, 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 |
|---|---|---|---|---|---|---|---|
| WEAKLEY | Substation-Adjacent | TN | Weakley County | 500 kV | 1,000 MW | 3.9 yrs | 68.4 |
| EC FFE Graves County | Greenfield | KY | Graves County | — | — | 3.9 yrs | 62.6 |
| UNKNOWN122836 | Substation-Adjacent | KY | Ballard County | 161 kV | 100 MW | 3.9 yrs | 62.1 |
| EC FFE Carlisle County | Greenfield | KY | Carlisle County | — | — | 3.9 yrs | 61.9 |
| OZ Graves | Greenfield | KY | Graves | — | — | 3.9 yrs | 61.6 |
| OZ Carlisle | Greenfield | KY | Carlisle | — | — | 3.9 yrs | 60.9 |
| CLINTON | Substation-Adjacent | KY | Hickman County | 161 kV | 100 MW | 3.9 yrs | 60.3 |
| MARTIN | Substation-Adjacent | TN | Weakley County | 161 kV | 100 MW | 3.9 yrs | 60.3 |
How does MOSCOW SOUTH WEST STATION compare with other substations in Kentucky?
Kentucky has 2,070 substation records in HIFLD, of which 190 carry a station name; the rest are unnamed tap points, risers and line ends. 102 named substations in the state are in MOSCOW SOUTH WEST STATION's 115–229 kV band (54% of named stations). 19 sit in a higher band. 19 named substations in Kentucky operate at 345 kV or above. The highest voltage recorded in the state is 765 kV, and the state median is 138 kV.
Who owns the transmission lines at MOSCOW SOUTH WEST STATION?
The 1 connected line listed above is owned by TENNESSEE VALLEY AUTHORITY. Line voltages range from 161 kV to 161 kV. Their combined recorded length is about 4 miles.
How do candidate sites near MOSCOW SOUTH WEST STATION score?
The 8 highest-scoring candidate sites within about 25 miles range from 60 to 68 on the 0–100 DC Readiness scale. They fall in Weakley County, Graves County, Ballard County, Carlisle County. The Kentucky average across 7,741 scored sites is 52.8. 1,261 of those Kentucky sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
What voltage is MOSCOW SOUTH WEST STATION substation?
MOSCOW SOUTH WEST STATION has a maximum voltage of 161 kV. That places it in the 115–229 kV band. The median named US substation in this dataset is 115 kV, so MOSCOW SOUTH WEST STATION is above the national midpoint.
How many transmission lines connect to MOSCOW SOUTH WEST STATION substation?
1 transmission line terminate at or pass through MOSCOW SOUTH WEST STATION in the HIFLD line data. The connected lines listed here run at 161 kV. Together the listed lines cover about 4 miles.
Who owns MOSCOW SOUTH WEST STATION substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at MOSCOW SOUTH WEST STATION belong to TENNESSEE VALLEY AUTHORITY. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is MOSCOW SOUTH WEST STATION substation located?
MOSCOW SOUTH WEST STATION is in Kentucky at 36.6225, -89.0472. The datacenter candidate sites closest to it are in Weakley County, Graves County, Ballard County.
Are there datacenter candidate sites near MOSCOW SOUTH WEST STATION substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of MOSCOW SOUTH WEST STATION. The highest-scoring is WEAKLEY at 68/100. Across Kentucky, the average DC Readiness score is 52.8.
Other 161 kV substations in Kentucky
- REID· 15 lines
- SUMMER SHADE· 13 lines
- GREEN RIVER· 11 lines
- KENTUCKY DAM· 11 lines
- BOWLING GREEN· 10 lines
- C-33 (DOE)· 10 lines
- HOPKINSVILLE· 10 lines
- MAYFIELD· 9 lines
- All named substations in Kentucky· 190 stations
- Datacenter candidate sites in Kentucky· 7,741 sites
- Brownfield and retired plant sites in Kentucky
- 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, “MOSCOW SOUTH WEST STATION substation, Kentucky”, https://gridcensus.com/substations/kentucky/moscow-south-west-station-7280827f (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 MOSCOW SOUTH WEST STATION substation, Kentucky 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.