TAP310744
SubstationTexas · RIO GRANDE ELECTRIC COOP, INC
At a glance
TAP310744 is an electric transmission substation in Texas, on RIO GRANDE ELECTRIC COOP, INC's transmission network. It is classified as distribution (69–115 kv) 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
Connected transmission lines
Lines terminating at or passing through this substation, by HIFLD line ID, highest voltage first.
| Line ID | Voltage | Owner | Status | Length |
|---|---|---|---|---|
| #305976 | 69 kV | RIO GRANDE ELECTRIC COOP, INC | — | 12.1 mi |
| #306536 | 69 kV | RIO GRANDE ELECTRIC COOP, INC | — | 0.0 mi |
| #308569 | 69 kV | SOUTHWEST TEXAS ELEC COOP, INC | IN SERVICE | 8.6 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP310744, 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 |
|---|---|---|---|---|---|---|---|
| BIG LAKE | Substation-Adjacent | TX | Reagan County | 138 kV | 100 MW | 3.5 yrs | 57.6 |
| UNKNOWN300315 | Substation-Adjacent | TX | Reagan County | 69 kV | 50 MW | 3.5 yrs | 55.2 |
| TEXON | Substation-Adjacent | TX | Reagan County | 69 kV | 50 MW | 3.5 yrs | 54.9 |
| BALLINGER HUMBLE PUMP EXXON | Substation-Adjacent | TX | Reagan County | 69 kV | 50 MW | 3.5 yrs | 54.9 |
| BIG LAKE PHILLIPS PUMP | Substation-Adjacent | TX | Reagan County | 69 kV | 50 MW | 3.5 yrs | 54.7 |
| UNKNOWN301755 | Substation-Adjacent | TX | Reagan County | 69 kV | 50 MW | 3.5 yrs | 54.6 |
| BARNHART | Substation-Adjacent | TX | Irion County | 69 kV | 50 MW | 3.5 yrs | 54.1 |
| UNKNOWN309081 | Substation-Adjacent | TX | Reagan County | 69 kV | 50 MW | 3.5 yrs | 51.6 |
Who owns the transmission lines at TAP310744?
The 3 connected lines listed above are owned by RIO GRANDE ELECTRIC COOP, INC, SOUTHWEST TEXAS ELEC COOP, INC. Line voltages range from 69 kV to 69 kV. Their combined recorded length is about 20.8 miles.
How do candidate sites near TAP310744 score?
The 8 highest-scoring candidate sites within about 25 miles range from 52 to 58 on the 0–100 DC Readiness scale. They fall in Reagan County, Irion County. 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 TAP310744 substation?
TAP310744 has a maximum voltage of 69 kV. That places it in the 69–114 kV band. The median named US substation in this dataset is 115 kV, so TAP310744 is below the national midpoint.
How many transmission lines connect to TAP310744 substation?
3 transmission lines terminate at or pass through TAP310744 in the HIFLD line data. The connected lines listed here run at 69 kV. Together the listed lines cover about 20.8 miles.
Who owns TAP310744 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP310744 belong to RIO GRANDE ELECTRIC COOP, INC, and others to SOUTHWEST TEXAS ELEC COOP, INC. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP310744 substation located?
TAP310744 is in Texas at 31.0601, -101.4614. The datacenter candidate sites closest to it are in Reagan County, Irion County.
Are there datacenter candidate sites near TAP310744 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP310744. The highest-scoring is BIG LAKE at 58/100. Across Texas, the average DC Readiness score is 56.4.
More 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, “TAP310744 substation, Texas”, https://gridcensus.com/substations/texas/tap310744-4d954421 (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 TAP310744 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.