Datacenter Sites in Castro County, Texas
Castro County has 10 scored datacenter candidate sites averaging 57.0/100 DC Readiness, with a catalogued aggregate of 2,400 MW. FEMA rates local natural-hazard risk as "Very High". The county has a datacenter tax incentive on record.
At a glance
Castro County, Texas has 10 scored datacenter candidate sites averaging 57.0/100 DC Readiness, roughly in line with the Texas average of 56.4. It ranks 165th of 234 Texas counties by number of sites and 62nd by average score. The top-scoring site is Substation-Adjacent site · 26d6a728 at 62.2/100.
Site-selection context for Castro County
Incentive detail: Chapter 313/Chapter 403 property tax abatements; Texas Enterprise Fund; no state income tax.
How does Castro County compare with other counties in Texas?
By number of scored sites, Castro County ranks 165th of the 234 Texas counties with a county page, holding 0.1% of the state's 6,839 sites. Its average DC Readiness of 57.0/100 ranks 62nd in the state and is roughly in line with the national average of 53.0. Nationally it has the 2409th-largest site inventory of 2,964 counties with five or more sites. 0 sites score 70 or higher and 7 score 55 or higher.
What types of datacenter sites are in Castro County?
Substation-Adjacent sites are the most common (10, 100% of the county's inventory). Site type reflects how the parcel was identified — next to a substation, on a former mine or brownfield, on industrial or federal excess land — and is scored on the same 14 factors either way.
What are power cost, hazard, water and fiber conditions in Castro County?
Industrial electricity averages 6.02¢/kWh and commercial 7.54¢/kWh. FEMA's National Risk Index rates the county "Very High" (55). WRI water stress is medium-high. 6 fiber providers report service in the county. The climate runs 2,600 cooling degree days a year with a mean temperature of 65°F. Land is valued around $2,130 an acre.
By site type
Top datacenter sites in Castro County
| Site | Type | Voltage | Capacity | Queue wait | Score |
|---|---|---|---|---|---|
| UNKNOWN303242 | Substation-Adjacent | 345 kV | 600 MW | 3.5 yrs | 62.2 |
| UNKNOWN304149 | Substation-Adjacent | 345 kV | 600 MW | 3.5 yrs | 61.8 |
| OGALLALA | Substation-Adjacent | 345 kV | 600 MW | 3.5 yrs | 61.4 |
| UNKNOWN306236 | Substation-Adjacent | 138 kV | 100 MW | 3.5 yrs | 55.9 |
| UNKNOWN306822 | Substation-Adjacent | 115 kV | 100 MW | 3.5 yrs | 55.9 |
| UNKNOWN304075 | Substation-Adjacent | 115 kV | 100 MW | 3.5 yrs | 55.4 |
| CASTRO COUNTY | Substation-Adjacent | 115 kV | 100 MW | 3.5 yrs | 55.4 |
| UNKNOWN310171 | Substation-Adjacent | 115 kV | 100 MW | 3.5 yrs | 54.9 |
| UNKNOWN303471 | Substation-Adjacent | 69 kV | 50 MW | 3.5 yrs | 53.6 |
| UNKNOWN304697 | Substation-Adjacent | 69 kV | 50 MW | 3.5 yrs | 53.5 |
Every scored site in Castro County
All 10 sites, best first.
- Substation-Adjacent site · 26d6a728 · 62.2
- Substation-Adjacent site · 6f1ea51c · 61.8
- OGALLALA · 61.4
- Substation-Adjacent site · 2a4e1c8c · 55.9
- Substation-Adjacent site · 947c4548 · 55.9
- Substation-Adjacent site · 67aa47b7 · 55.4
- CASTRO COUNTY · 55.4
- Substation-Adjacent site · c1816974 · 54.9
- Substation-Adjacent site · 33cc95c9 · 53.6
- Substation-Adjacent site · 5a518775 · 53.5
Castro County datacenter FAQ
How many datacenter sites are in Castro County?
10 scored datacenter candidate sites, averaging 57.0/100 DC Readiness. That is the 165th-most of 234 Texas counties with five or more sites.
What is the highest-scoring datacenter site in Castro County?
Substation-Adjacent site · 26d6a728 scores 62.2/100 DC Readiness, the highest of the 10 scored sites in Castro County (a substation-adjacent site).
Does Castro County offer datacenter tax incentives?
Chapter 313/Chapter 403 property tax abatements; Texas Enterprise Fund; no state income tax.
What is the natural-hazard risk in Castro County?
FEMA's National Risk Index rates Castro County as "Very High" (score 55).
What are industrial electricity rates in Castro County?
Average industrial electricity is 6.02¢/kWh and commercial is 7.54¢/kWh in Castro County.
More in Texas
- All datacenter sites in Texas· 6,839 sites
- Operating datacenters in Texas
- Electric substations in Texas
- Harris County· 348 sites · avg 57.3
- Dallas County· 308 sites · avg 61.3
- Tarrant County· 289 sites · avg 59.4
- Travis County· 203 sites · avg 59.8
- El Paso County· 172 sites · avg 54.5
- Bexar County· 166 sites · avg 61.7
- Substation-Adjacent sites in Texas
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, “Datacenter candidate sites in Castro County, Texas”, https://gridcensus.com/datacenter-sites/texas/castro-county (data as of November 12, 2026).
Dataset updated . Screening estimates derived from public data sources.
Go deeper than the public screen
Every site and score for Castro County, 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.