Substation-Adjacent Datacenter Sites in Louisiana
At a glance
Parcels sited next to existing transmission substations. Co-location with a substation is the single strongest speed-to-power signal — interconnection distance is measured in feet, not miles.
Top substation-adjacent sites in Louisiana
| Site | Type | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|
| WILLOW GLEN (500KV) | Substation-Adjacent | Ascension Parish | 500 kV | 1,000 MW | 4.3 yrs | 71.9 |
| UNKNOWN112075 | Substation-Adjacent | West Feliciana Parish | 500 kV | 1,000 MW | 4.3 yrs | 69.3 |
| BOGALUSA | Substation-Adjacent | Washington Parish | 500 kV | 1,000 MW | 4.3 yrs | 68.2 |
| COLY | Substation-Adjacent | Livingston Parish | 500 kV | 1,000 MW | 4.3 yrs | 67.2 |
| UNKNOWN149836 | Substation-Adjacent | Iberville Parish | 500 kV | 1,000 MW | 4.3 yrs | 66.6 |
| MICHOUD STATION | Substation-Adjacent | Orleans Parish | 230 kV | 300 MW | 4.3 yrs | 66.5 |
| UNKNOWN112635 | Substation-Adjacent | St. Charles Parish | 230 kV | 300 MW | 4.3 yrs | 66.2 |
| WEBRE | Substation-Adjacent | West Baton Rouge Parish | 500 kV | 1,000 MW | 4.3 yrs | 65.5 |
| SOUTHWEST SHREVEPORT | Substation-Adjacent | Caddo Parish | 345 kV | 600 MW | 4.3 yrs | 65.5 |
| FANCY POINT | Substation-Adjacent | West Feliciana Parish | 500 kV | 1,000 MW | 4.3 yrs | 65.1 |
| WATERFORD 500KV | Substation-Adjacent | St. Charles Parish | 500 kV | 1,000 MW | 4.3 yrs | 65.1 |
| LONGWOOD | Substation-Adjacent | Caddo Parish | 345 kV | 600 MW | 4.3 yrs | 65.0 |
| OAK VILLA | Substation-Adjacent | East Baton Rouge Parish | 230 kV | 300 MW | 4.3 yrs | 64.8 |
| HAZEL | Substation-Adjacent | East Baton Rouge Parish | 230 kV | 300 MW | 4.3 yrs | 64.7 |
| UNKNOWN112497 | Substation-Adjacent | East Baton Rouge Parish | 230 kV | 300 MW | 4.3 yrs | 64.7 |
| UNKNOWN111872 | Substation-Adjacent | De Soto Parish | 345 kV | 600 MW | 4.3 yrs | 64.3 |
| DELTA | Substation-Adjacent | Orleans Parish | 230 kV | 300 MW | 4.3 yrs | 64.3 |
| UNKNOWN112611 | Substation-Adjacent | St. Charles Parish | 230 kV | 300 MW | 4.3 yrs | 64.3 |
| UNKNOWN111776 | Substation-Adjacent | East Baton Rouge Parish | 230 kV | 300 MW | 4.3 yrs | 64.2 |
| DERBIGNY | Substation-Adjacent | Orleans Parish | 230 kV | 300 MW | 4.3 yrs | 64.2 |
| UNKNOWN112547 | Substation-Adjacent | St. Tammany Parish | 230 kV | 300 MW | 4.3 yrs | 64.2 |
| UNKNOWN113056 | Substation-Adjacent | Orleans Parish | 230 kV | 300 MW | 4.3 yrs | 64.2 |
| TIGER | Substation-Adjacent | West Baton Rouge Parish | 230 kV | 300 MW | 4.3 yrs | 64.2 |
| UNKNOWN112652 | Substation-Adjacent | Orleans Parish | 230 kV | 300 MW | 4.3 yrs | 64.2 |
| BEHRMAN | Substation-Adjacent | Orleans Parish | 230 kV | 300 MW | 4.3 yrs | 64.1 |
How does Louisiana compare with other states for substation-adjacent sites?
With 615 sites, Louisiana ranks 32nd of the 52 states that have any substation-adjacent candidate sites. Texas leads with 3,635. Nationally, substation-adjacent sites average 57.4/100 DC Readiness, above the 53.0 average across all site types. Across every site type, Louisiana averages 53.2, the 30th-highest of 52 states, and its candidate sites face an average interconnection-queue wait of 4.3 years.
Where are the highest-scoring substation-adjacent sites in Louisiana?
The top 25 range from 71.9 to 64.1 on the 0–100 DC Readiness Score. They are concentrated in Orleans Parish (6), East Baton Rouge Parish (4), St. Charles Parish (3) and West Feliciana Parish (2). By grid region, 22 are in MISO and 3 are in SPP.
County pages: Orleans Parish · East Baton Rouge Parish · St. Charles Parish · West Feliciana Parish
What power, fiber and flood exposure do these substation-adjacent sites have?
Of the top 25 substation-adjacent sites in Louisiana, 25 have a recorded nearest-substation voltage, with a median of 230 kV; for 25 that substation is rated 230 kV or higher. Their counties have a median of 7 fixed fiber broadband providers in FCC data. The median distance to the nearest internet exchange facility is 14 km. The median interconnection-queue wait in their markets is 4.3 years. None of the 2 with a mapped FEMA flood zone sits in a high-risk (A or V) zone.
Frequently asked questions
How many substation-adjacent datacenter sites are in Louisiana?
GridCensus catalogs 615 substation-adjacent datacenter candidate sites in Louisiana, 2% of the national total for this type (32nd of 52 states).
What is a substation-adjacent datacenter site?
Parcels sited next to existing transmission substations. Co-location with a substation is the single strongest speed-to-power signal — interconnection distance is measured in feet, not miles.
What is the best substation-adjacent datacenter site in Louisiana?
By DC Readiness Score, WILLOW GLEN (500KV) in Ascension Parish ranks first at 71.9/100, followed by UNKNOWN112075 in West Feliciana Parish at 69.3.
Which Louisiana counties have the best substation-adjacent sites?
The top 25 substation-adjacent sites in Louisiana are concentrated in Orleans Parish (6), East Baton Rouge Parish (4), St. Charles Parish (3) and West Feliciana Parish (2).
How does Louisiana score for datacenters overall?
All 1,762 scored sites in Louisiana average 53.2/100 DC Readiness, the 30th-highest of 52 states, against a national average of 53.0.
More on substation-adjacent sites and Louisiana
Substation-Adjacent sites in other states
- Substation-Adjacent sites in Texas· 3,635 sites
- Substation-Adjacent sites in California· 1,573 sites
- Substation-Adjacent sites in Florida· 1,539 sites
- Substation-Adjacent sites in Georgia· 1,530 sites
- Substation-Adjacent sites in Oklahoma· 1,344 sites
- Substation-Adjacent sites in Washington· 1,343 sites
- Substation-Adjacent sites in Minnesota· 1,270 sites
- Substation-Adjacent sites in Kentucky· 1,261 sites
Dataset updated . Screening estimates derived from public data sources.
About this data
Source: GridCensus composite of HIFLD transmission and substation data, EIA, FEMA National Risk Index, FCC broadband data, PeeringDB and ISO interconnection queues, as published November 13, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Substation-Adjacent datacenter sites in Louisiana”, https://gridcensus.com/site-types/substation/louisiana (data as of November 13, 2026).
Go deeper than the public screen
Every site and score for Substation-Adjacent sites in 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.