TAP142938
SubstationLouisiana · ENTERGY LOUISIANA LLC
At a glance
TAP142938 is an electric transmission substation in Louisiana, on ENTERGY LOUISIANA LLC's transmission network. It is classified as distribution (69–115 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
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #110785 | 69 kV | ENTERGY LOUISIANA LLC | IN SERVICE | 7.3 mi |
| #112149 | 69 kV | ENTERGY LOUISIANA LLC | IN SERVICE | 1.0 mi |
| #134642 | 69 kV | ENTERGY LOUISIANA LLC | IN SERVICE | 10.9 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP142938, 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 |
|---|---|---|---|---|---|---|---|
| RICHARD | Substation-Adjacent | LA | Acadia Parish | 500 kV | 1,000 MW | 4.3 yrs | 62.9 |
| 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 |
| UNKNOWN112459 | Substation-Adjacent | LA | Acadia Parish | 138 kV | 100 MW | 4.3 yrs | 54.5 |
| UNKNOWN112417 | Substation-Adjacent | LA | Acadia Parish | 138 kV | 100 MW | 4.3 yrs | 54.5 |
| UNKNOWN112457 | Substation-Adjacent | LA | Acadia Parish | 138 kV | 100 MW | 4.3 yrs | 54.3 |
| UNKNOWN112460 | Substation-Adjacent | LA | Acadia Parish | 138 kV | 100 MW | 4.3 yrs | 54.3 |
Who owns the transmission lines at TAP142938?
The 3 connected lines listed above are owned by ENTERGY LOUISIANA LLC. Line voltages range from 69 kV to 69 kV. Their combined recorded length is about 19.2 miles.
How do candidate sites near TAP142938 score?
The 8 highest-scoring candidate sites within about 25 miles range from 54 to 63 on the 0–100 DC Readiness scale. They fall in Acadia Parish, St. Landry, Jefferson Davis. 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 TAP142938 substation?
TAP142938 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 TAP142938 is below the national midpoint.
How many transmission lines connect to TAP142938 substation?
3 transmission lines terminate at or pass through TAP142938 in the HIFLD line data. The connected lines listed here run at 69 kV. Together the listed lines cover about 19.2 miles.
Who owns TAP142938 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP142938 belong to ENTERGY LOUISIANA LLC. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP142938 substation located?
TAP142938 is in Louisiana at 30.2325, -92.7405. The datacenter candidate sites closest to it are in Acadia Parish, St. Landry, Jefferson Davis.
Are there datacenter candidate sites near TAP142938 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP142938. The highest-scoring is RICHARD at 63/100. 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, “TAP142938 substation, Louisiana”, https://gridcensus.com/substations/louisiana/tap142938-f65cf3cb (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 TAP142938 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.