TAP143363
SubstationLouisiana
At a glance
TAP143363 is an electric transmission substation in Louisiana. 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
Ownership
No owner is recorded for the lines that connect here.
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #109429 | 69 kV | — | IN SERVICE | 1.4 mi |
| #128384 | 69 kV | — | IN SERVICE | 6.0 mi |
| #147300 | 69 kV | — | IN SERVICE | 3.5 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP143363, 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 |
|---|---|---|---|---|---|---|---|
| UNKNOWN111922 | Substation-Adjacent | LA | Beauregard Parish | 230 kV | 300 MW | 4.3 yrs | 58.6 |
| LEESVILLE | Substation-Adjacent | LA | Vernon Parish | 230 kV | 300 MW | 4.3 yrs | 58.0 |
| EAST LEESVILLE | Substation-Adjacent | LA | Vernon Parish | 230 kV | 300 MW | 4.3 yrs | 57.1 |
| Greenfield (UNKNOWN157576 - HARTBURG) | Greenfield | LA | Sabine Parish | 500 kV | 1,000 MW | 4.3 yrs | 57.0 |
| UNKNOWN115956 | Substation-Adjacent | LA | Sabine Parish | 138 kV | 100 MW | 4.3 yrs | 55.0 |
| TAP142913 | Substation-Adjacent | LA | Sabine Parish | 138 kV | 100 MW | 4.3 yrs | 55.0 |
| UNKNOWN116544 | Substation-Adjacent | LA | Beauregard Parish | 138 kV | 100 MW | 4.3 yrs | 54.5 |
| UNKNOWN305588 | Substation-Adjacent | TX | Newton County | 138 kV | 100 MW | 3.5 yrs | 54.1 |
How do candidate sites near TAP143363 score?
The 8 highest-scoring candidate sites within about 25 miles range from 54 to 59 on the 0–100 DC Readiness scale. They fall in Beauregard Parish, Vernon Parish, Sabine Parish, Newton County. 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 TAP143363 substation?
TAP143363 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 TAP143363 is below the national midpoint.
How many transmission lines connect to TAP143363 substation?
3 transmission lines terminate at or pass through TAP143363 in the HIFLD line data. The connected lines listed here run at 69 kV. Together the listed lines cover about 10.9 miles.
Where is TAP143363 substation located?
TAP143363 is in Louisiana at 31.1037, -93.2641. The datacenter candidate sites closest to it are in Beauregard Parish, Vernon Parish, Sabine Parish.
Are there datacenter candidate sites near TAP143363 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP143363. The highest-scoring is UNKNOWN111922 at 59/100. 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, “TAP143363 substation, Louisiana”, https://gridcensus.com/substations/louisiana/tap143363-7188a4c5 (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 TAP143363 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.