Substation-Adjacent Datacenter Sites in Texas
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 Texas
| Site | Type | County | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|---|
| LIGGETT | Substation-Adjacent | Dallas County | 345 kV | 600 MW | 3.5 yrs | 70.1 |
| ROANOKE | Substation-Adjacent | Tarrant County | 345 kV | 600 MW | 3.5 yrs | 70.1 |
| WEST PLANO | Substation-Adjacent | Dallas County | 345 kV | 600 MW | 3.5 yrs | 70.1 |
| WEST LEVEE | Substation-Adjacent | Dallas County | 345 kV | 600 MW | 3.5 yrs | 70.1 |
| DECKER | Substation-Adjacent | Travis County | 345 kV | 600 MW | 3.5 yrs | 70.0 |
| UNKNOWN306290 | Substation-Adjacent | Dallas County | 345 kV | 600 MW | 3.5 yrs | 70.0 |
| CALAVERAS 345 SWITCHYARD | Substation-Adjacent | Bexar County | 345 kV | 600 MW | 3.5 yrs | 70.0 |
| UNKNOWN300342 | Substation-Adjacent | Dallas County | 345 kV | 600 MW | 3.5 yrs | 69.9 |
| UNKNOWN308812 | Substation-Adjacent | Collin County | 345 kV | 600 MW | 3.5 yrs | 69.9 |
| ALLEN SWITCHING | Substation-Adjacent | Collin County | 345 kV | 600 MW | 3.5 yrs | 69.9 |
| NORWOOD | Substation-Adjacent | Dallas County | 345 kV | 600 MW | 3.5 yrs | 69.9 |
| UNKNOWN301639 | Substation-Adjacent | Dallas County | 345 kV | 600 MW | 3.5 yrs | 69.8 |
| EAGLE MOUNTAIN | Substation-Adjacent | Tarrant County | 345 kV | 600 MW | 3.5 yrs | 69.5 |
| UNKNOWN307036 | Substation-Adjacent | Webb County | 345 kV | 600 MW | 3.5 yrs | 69.4 |
| CARROLLTON FRANKFORD | Substation-Adjacent | Denton County | 345 kV | 600 MW | 3.5 yrs | 69.4 |
| CAGNON ROAD | Substation-Adjacent | Bexar County | 345 kV | 600 MW | 3.5 yrs | 69.3 |
| NORTHWEST CARROLLTON | Substation-Adjacent | Dallas County | 345 kV | 600 MW | 3.5 yrs | 69.3 |
| BEN DAVIS | Substation-Adjacent | Rockwall County | 345 kV | 600 MW | 3.5 yrs | 69.1 |
| COPPELL SWITCHING STATION | Substation-Adjacent | Dallas County | 345 kV | 600 MW | 3.5 yrs | 69.1 |
| SARGENT ROAD | Substation-Adjacent | Dallas County | 345 kV | 600 MW | 3.5 yrs | 69.0 |
| LEWISVILLE SWITCH | Substation-Adjacent | Denton County | 345 kV | 600 MW | 3.5 yrs | 69.0 |
| ARTHUR VON ROSENBERG | Substation-Adjacent | Bexar County | 345 kV | 600 MW | 3.5 yrs | 68.9 |
| ALLIANCE | Substation-Adjacent | Tarrant County | 345 kV | 600 MW | 3.5 yrs | 68.9 |
| UNKNOWN300728 | Substation-Adjacent | Tarrant County | 345 kV | 600 MW | 3.5 yrs | 68.8 |
| LAKE CREEK | Substation-Adjacent | McLennan County | 345 kV | 600 MW | 3.5 yrs | 68.8 |
How does Texas compare with other states for substation-adjacent sites?
With 3,635 sites, Texas ranks 1st of the 52 states that have any substation-adjacent candidate sites. Nationally, substation-adjacent sites average 57.4/100 DC Readiness, above the 53.0 average across all site types. Across every site type, Texas averages 56.4, the 7th-highest of 52 states, and its candidate sites face an average interconnection-queue wait of 3.5 years.
Where are the highest-scoring substation-adjacent sites in Texas?
The top 25 range from 70.1 to 68.8 on the 0–100 DC Readiness Score. They are concentrated in Dallas County (10), Tarrant County (4), Bexar County (3) and Collin County (2). By grid region, 25 are in ERCOT.
County pages: Dallas County · Tarrant County · Bexar County · Collin County
What power, fiber and flood exposure do these substation-adjacent sites have?
Of the top 25 substation-adjacent sites in Texas, 25 have a recorded nearest-substation voltage, with a median of 345 kV; for 25 that substation is rated 230 kV or higher. Their counties have a median of 25 fixed fiber broadband providers in FCC data. The median distance to the nearest internet exchange facility is 4 km. The median interconnection-queue wait in their markets is 3.5 years. 1 of the 5 with a mapped FEMA flood zone sits in a high-risk (A or V) zone. 9 lie within 25 km of a binding transmission constraint.
Frequently asked questions
How many substation-adjacent datacenter sites are in Texas?
GridCensus catalogs 3,635 substation-adjacent datacenter candidate sites in Texas, 9% of the national total for this type (1st 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 Texas?
By DC Readiness Score, LIGGETT in Dallas County ranks first at 70.1/100, followed by ROANOKE in Tarrant County at 70.1.
Which Texas counties have the best substation-adjacent sites?
The top 25 substation-adjacent sites in Texas are concentrated in Dallas County (10), Tarrant County (4), Bexar County (3) and Collin County (2).
How does Texas score for datacenters overall?
All 6,839 scored sites in Texas average 56.4/100 DC Readiness, the 7th-highest of 52 states, against a national average of 53.0.
More on substation-adjacent sites and Texas
Substation-Adjacent sites in other states
- 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
- Substation-Adjacent sites in Wisconsin· 1,248 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 12, 2026 — GridCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: GridCensus, “Substation-Adjacent datacenter sites in Texas”, https://gridcensus.com/site-types/substation/texas (data as of November 12, 2026).
Go deeper than the public screen
Every site and score for Substation-Adjacent sites in Texas 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.