CASTRO COUNTY
SubstationTexas · BAILEY COUNTY ELEC COOP ASSN
At a glance
CASTRO COUNTY is an electric transmission substation in Texas, on BAILEY COUNTY ELEC COOP ASSN's transmission network. It is classified as sub-transmission (115 kv) and connects 5 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
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #300014 | 138 kV | — | IN SERVICE | 7.1 mi |
| #301852 | 115 kV | BAILEY COUNTY ELEC COOP ASSN | IN SERVICE | 13.6 mi |
| #308105 | 115 kV | BAILEY COUNTY ELEC COOP ASSN | IN SERVICE | 1.0 mi |
| #309871 | 115 kV | BAILEY COUNTY ELEC COOP ASSN | IN SERVICE | 8.5 mi |
| #313323 | 46 kV | — | IN SERVICE | 12.0 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of CASTRO COUNTY, 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 |
|---|---|---|---|---|---|---|---|
| UNKNOWN307714 | Substation-Adjacent | TX | Lamb County | 345 kV | 600 MW | 3.5 yrs | 62.5 |
| UNKNOWN303242 | Substation-Adjacent | TX | Castro County | 345 kV | 600 MW | 3.5 yrs | 62.2 |
| UNKNOWN304149 | Substation-Adjacent | TX | Castro County | 345 kV | 600 MW | 3.5 yrs | 61.8 |
| OGALLALA | Substation-Adjacent | TX | Castro County | 345 kV | 600 MW | 3.5 yrs | 61.4 |
| DEAF SMITH | Substation-Adjacent | TX | Deaf Smith County | 230 kV | 300 MW | 3.5 yrs | 60.7 |
| PLANT X | Substation-Adjacent | TX | Lamb County | 230 kV | 300 MW | 3.5 yrs | 60.5 |
| EC Near Plant X | Greenfield | TX | Lamb | — | — | 3.5 yrs | 59.7 |
| EC Near Plant X | Greenfield | TX | Lamb | — | — | 3.5 yrs | 59.1 |
How does CASTRO COUNTY compare with other substations in Texas?
Texas has 4,939 substation records in HIFLD, of which 1,426 carry a station name; the rest are unnamed tap points, risers and line ends. 1,020 named substations in the state are in CASTRO COUNTY's 115–229 kV band (72% of named stations). 236 sit in a higher band. 200 named substations in Texas operate at 345 kV or above. The highest voltage recorded in the state is 500 kV, and the state median is 138 kV.
Who owns the transmission lines at CASTRO COUNTY?
The 5 connected lines listed above are owned by BAILEY COUNTY ELEC COOP ASSN. Line voltages range from 46 kV to 138 kV. Their combined recorded length is about 42.2 miles.
How do candidate sites near CASTRO COUNTY score?
The 8 highest-scoring candidate sites within about 25 miles range from 59 to 63 on the 0–100 DC Readiness scale. They fall in Lamb County, Castro County, Deaf Smith County, Lamb. The Texas average across 6,839 scored sites is 56.4. 3,635 of those Texas sites are classed as substation sites (candidate locations generated at an existing substation).
Frequently asked questions
What voltage is CASTRO COUNTY substation?
CASTRO COUNTY has a maximum voltage of 115 kV. That places it in the 115–229 kV band. The median named US substation in this dataset is 115 kV, so CASTRO COUNTY is at the national midpoint.
How many transmission lines connect to CASTRO COUNTY substation?
5 transmission lines terminate at or pass through CASTRO COUNTY in the HIFLD line data. The connected lines listed here run at 138 kV, 115 kV, 46 kV. Together the listed lines cover about 42.2 miles.
Who owns CASTRO COUNTY substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at CASTRO COUNTY belong to BAILEY COUNTY ELEC COOP ASSN. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is CASTRO COUNTY substation located?
CASTRO COUNTY is in Texas at 34.5158, -102.4249. The datacenter candidate sites closest to it are in Lamb County, Castro County, Deaf Smith County.
Are there datacenter candidate sites near CASTRO COUNTY substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of CASTRO COUNTY. The highest-scoring is UNKNOWN307714 at 63/100. Across Texas, the average DC Readiness score is 56.4.
Other 115 kV substations in Texas
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, “CASTRO COUNTY substation, Texas”, https://gridcensus.com/substations/texas/castro-county-ebe2f7bd (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 CASTRO COUNTY substation, 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.