TAP169999
SubstationLouisiana
At a glance
TAP169999 is an electric transmission substation in Louisiana. It is classified as unclassified 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 |
|---|---|---|---|---|
| #171806 | — | — | IN SERVICE | 0.0 mi |
| #171807 | — | — | IN SERVICE | 1.2 mi |
| #171811 | — | — | IN SERVICE | 9.9 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP169999, 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 |
| HARTBURG | Substation-Adjacent | TX | Orange County | 500 kV | 1,000 MW | 3.5 yrs | 60.7 |
| TAP302562 | Substation-Adjacent | TX | Newton County | 345 kV | 600 MW | 3.5 yrs | 59.9 |
| UNKNOWN111922 | Substation-Adjacent | LA | Beauregard Parish | 230 kV | 300 MW | 4.3 yrs | 58.6 |
| UNKNOWN116527 | Substation-Adjacent | LA | Beauregard Parish | 230 kV | 300 MW | 4.3 yrs | 58.5 |
| UNKNOWN112076 | Substation-Adjacent | LA | Calcasieu Parish | 230 kV | 300 MW | 4.3 yrs | 58.2 |
How do candidate sites near TAP169999 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, Orange County, Newton County, 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
How many transmission lines connect to TAP169999 substation?
3 transmission lines terminate at or pass through TAP169999 in the HIFLD line data. Together the listed lines cover about 11.1 miles.
Where is TAP169999 substation located?
TAP169999 is in Louisiana at 30.4669, -93.4414. The datacenter candidate sites closest to it are in Calcasieu Parish, Orange County, Newton County.
Are there datacenter candidate sites near TAP169999 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP169999. 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, “TAP169999 substation, Louisiana”, https://gridcensus.com/substations/louisiana/tap169999-35da1f79 (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 TAP169999 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.