TAP143264
SubstationLouisiana · ENTERGY LOUISIANA LLC
At a glance
TAP143264 is an electric transmission substation in Louisiana, on ENTERGY LOUISIANA LLC's transmission network. It is classified as high-voltage (230 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 |
|---|---|---|---|---|
| #104916 | 230 kV | ENTERGY LOUISIANA LLC | IN SERVICE | 6.8 mi |
| #109462 | 230 kV | ENTERGY LOUISIANA LLC | IN SERVICE | 0.0 mi |
| #125379 | 230 kV | ENTERGY LOUISIANA LLC | IN SERVICE | 7.8 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP143264, 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 |
|---|---|---|---|---|---|---|---|
| NELSON | Substation-Adjacent | LA | Calcasieu Parish | 500 kV | 1,000 MW | 4.3 yrs | 63.9 |
| UNKNOWN173166 | Substation-Adjacent | LA | Calcasieu Parish | 500 kV | 1,000 MW | 4.3 yrs | 62.4 |
| UNKNOWN173167 | Substation-Adjacent | LA | Calcasieu Parish | 500 kV | 1,000 MW | 4.3 yrs | 62.4 |
| UNKNOWN116527 | Substation-Adjacent | LA | Beauregard Parish | 230 kV | 300 MW | 4.3 yrs | 58.5 |
| UNKNOWN116325 | Substation-Adjacent | LA | Calcasieu Parish | 230 kV | 300 MW | 4.3 yrs | 58.2 |
| UNKNOWN116398 | Substation-Adjacent | LA | Calcasieu Parish | 230 kV | 300 MW | 4.3 yrs | 58.2 |
| UNKNOWN112076 | Substation-Adjacent | LA | Calcasieu Parish | 230 kV | 300 MW | 4.3 yrs | 58.2 |
| CARLYSS | Substation-Adjacent | LA | Calcasieu Parish | 230 kV | 300 MW | 4.3 yrs | 58.1 |
Who owns the transmission lines at TAP143264?
The 3 connected lines listed above are owned by ENTERGY LOUISIANA LLC. Line voltages range from 230 kV to 230 kV. Their combined recorded length is about 14.7 miles.
How do candidate sites near TAP143264 score?
The 8 highest-scoring candidate sites within about 25 miles range from 58 to 64 on the 0–100 DC Readiness scale. They fall in Calcasieu Parish, Beauregard 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 TAP143264 substation?
TAP143264 has a maximum voltage of 230 kV. That places it in the 230–344 kV band. The median named US substation in this dataset is 115 kV, so TAP143264 is above the national midpoint.
How many transmission lines connect to TAP143264 substation?
3 transmission lines terminate at or pass through TAP143264 in the HIFLD line data. The connected lines listed here run at 230 kV. Together the listed lines cover about 14.7 miles.
Who owns TAP143264 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP143264 belong to ENTERGY LOUISIANA LLC. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP143264 substation located?
TAP143264 is in Louisiana at 30.3303, -93.2339. The datacenter candidate sites closest to it are in Calcasieu Parish, Beauregard Parish.
Are there datacenter candidate sites near TAP143264 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP143264. The highest-scoring is NELSON at 64/100. 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, “TAP143264 substation, Louisiana”, https://gridcensus.com/substations/louisiana/tap143264-f3422e59 (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 TAP143264 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.