LAFAYETTE
SubstationTennessee · TENNESSEE VALLEY AUTHORITY
LAFAYETTE is an electric transmission substation in Tennessee, operated by TENNESSEE VALLEY AUTHORITY. It is classified as sub-transmission (138 kv) and connects 4 transmission lines. 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 |
|---|---|---|---|---|
| #2546 | 161 kV | — | IN SERVICE | 30.8 mi |
| #6162 | 161 kV | TENNESSEE VALLEY AUTHORITY | IN SERVICE | 13.2 mi |
| #31859 | 161 kV | TENNESSEE VALLEY AUTHORITY | IN SERVICE | 9.2 mi |
| #33536 | 161 kV | TENNESSEE VALLEY AUTHORITY | IN SERVICE | 11.4 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of LAFAYETTE, 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 |
|---|---|---|---|---|---|---|---|
| SOUTH SCOTTSVILE | Substation-Adjacent | KY | Allen County | 161 kV | 100 MW | 3.7 yrs | 72.0 |
| UNKNOWN115355 | Substation-Adjacent | TN | Sumner County | 161 kV | 100 MW | 3.7 yrs | 71.7 |
| GALLATIN (TN) | Substation-Adjacent | TN | Wilson County | 161 kV | 100 MW | 3.7 yrs | 71.4 |
| UNKNOWN170589 | Substation-Adjacent | TN | Sumner County | 161 kV | 100 MW | 3.7 yrs | 71.1 |
| CORDELL HULL | Substation-Adjacent | TN | Smith County | 161 kV | 100 MW | 3.7 yrs | 71.1 |
| WESTMORELAND | Substation-Adjacent | TN | Trousdale County | 161 kV | 100 MW | 3.7 yrs | 71.0 |
| HARTSVILLE | Substation-Adjacent | TN | Trousdale County | 161 kV | 100 MW | 3.7 yrs | 70.5 |
| NORTH CARTHAGE | Substation-Adjacent | TN | Smith County | 161 kV | 100 MW | 3.7 yrs | 69.6 |
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
This page shows a public slice of the GridCensus dataset for LAFAYETTE substation, Tennessee. Pro and Enterprise plans unlock the full 164,098-site catalog, raw sub-scores, parcel ownership, interconnection-queue detail, saved searches, and programmatic API access.