TAP142937
SubstationLouisiana
At a glance
TAP142937 is an electric transmission substation in Louisiana. It is classified as sub-transmission (138 kv) and connects 3 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
Ownership & operation
Operator not catalogued for this substation.
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP142937, 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 |
|---|---|---|---|---|---|---|---|
| GILLIS | Substation-Adjacent | LA | Calcasieu Parish | 230 kV | 300 MW | 4.3 yrs | 57.7 |
| EC Near R S Nelson | Greenfield | LA | Calcasieu | — | — | 4.3 yrs | 57.1 |
| OZ St. Landry | Greenfield | LA | St. Landry | — | — | 4.3 yrs | 56.8 |
| Greenfield (NELSON - RICHARD) | Greenfield | WA | Acadia Parish | 500 kV | 1,000 MW | 4.3 yrs | 56.5 |
| OZ Jefferson Davis | Greenfield | LA | Jefferson Davis | — | — | 4.3 yrs | 56.2 |
| OZ Calcasieu | Greenfield | LA | Calcasieu | — | — | 4.3 yrs | 56.1 |
| OZ Calcasieu | Greenfield | LA | Calcasieu | — | — | 4.3 yrs | 55.8 |
| UNKNOWN112457 | Substation-Adjacent | LA | Acadia Parish | 138 kV | 100 MW | 4.3 yrs | 54.3 |
How do candidate sites near TAP142937 score?
The 8 highest-scoring candidate sites within about 25 miles range from 54 to 58 on the 0–100 DC Readiness scale. They fall in Calcasieu Parish, Calcasieu, St. Landry, Acadia Parish. The Louisiana average across 1,762 scored sites is 53.1. 615 of those Louisiana sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
What voltage is TAP142937 substation?
TAP142937 has a maximum voltage of 138 kV. That places it in the 115–229 kV band. The median named US substation in this dataset is 115 kV, so TAP142937 is above the national midpoint.
How many transmission lines connect to TAP142937 substation?
3 transmission lines terminate at or pass through TAP142937 in the HIFLD line data.
Where is TAP142937 substation located?
TAP142937 is in Louisiana at 30.2545, -92.8245. The datacenter candidate sites closest to it are in Calcasieu Parish, Calcasieu, St. Landry.
Are there datacenter candidate sites near TAP142937 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP142937. The highest-scoring is GILLIS at 58/100. Across Louisiana, the average DC Readiness score is 53.1.
More in Louisiana
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, “TAP142937 substation, Louisiana”, https://gridcensus.com/substations/louisiana/tap142937-2ce02084 (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 TAP142937 substation, Louisiana 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.