TAP308019
SubstationTexas · COLEMAN COUNTY ELEC COOP, INC
At a glance
TAP308019 is an electric transmission substation in Texas, on COLEMAN COUNTY ELEC 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 |
|---|---|---|---|---|
| #300737 | 69 kV | — | — | 41.2 mi |
| #302036 | 69 kV | COLEMAN COUNTY ELEC COOP, INC | IN SERVICE | 25.1 mi |
| #308084 | 69 kV | — | — | 5.2 mi |
Nearby datacenter candidate sites
Scored candidate sites within roughly 25 miles of TAP308019, 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 |
|---|---|---|---|---|---|---|---|
| TWIN BUTTES | Substation-Adjacent | TX | Tom Green County | 345 kV | 600 MW | 3.5 yrs | 63.5 |
| UNKNOWN300050 | Substation-Adjacent | TX | Coke County | 345 kV | 600 MW | 3.5 yrs | 61.9 |
| OZ Tom Green | Greenfield | TX | Tom Green | — | — | 3.5 yrs | 61.0 |
| UNKNOWN300489 | Substation-Adjacent | TX | Coke County | 345 kV | 600 MW | 3.5 yrs | 60.7 |
| UNKNOWN306288 | Substation-Adjacent | TX | Coke County | 345 kV | 600 MW | 3.5 yrs | 59.3 |
| UNKNOWN304981 | Substation-Adjacent | TX | Sterling County | 345 kV | 600 MW | 3.5 yrs | 59.1 |
| UNKNOWN303418 | Substation-Adjacent | TX | Tom Green County | 138 kV | 100 MW | 3.5 yrs | 58.2 |
| UNKNOWN308391 | Substation-Adjacent | TX | Tom Green County | 138 kV | 100 MW | 3.5 yrs | 58.2 |
Who owns the transmission lines at TAP308019?
The 3 connected lines listed above are owned by COLEMAN COUNTY ELEC COOP, INC. Line voltages range from 69 kV to 69 kV. Their combined recorded length is about 71.6 miles.
How do candidate sites near TAP308019 score?
The 8 highest-scoring candidate sites within about 25 miles range from 58 to 64 on the 0–100 DC Readiness scale. They fall in Tom Green County, Coke County, Tom Green, Sterling 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 TAP308019 substation?
TAP308019 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 TAP308019 is below the national midpoint.
How many transmission lines connect to TAP308019 substation?
3 transmission lines terminate at or pass through TAP308019 in the HIFLD line data. The connected lines listed here run at 69 kV. Together the listed lines cover about 71.6 miles.
Who owns TAP308019 substation?
HIFLD does not publish substation owners directly. Most of the transmission lines that end at TAP308019 belong to COLEMAN COUNTY ELEC COOP, INC. GridCensus derives this from the line data, so confirm ownership with the utility for anything contractual.
Where is TAP308019 substation located?
TAP308019 is in Texas at 31.6791, -100.7987. The datacenter candidate sites closest to it are in Tom Green County, Coke County, Tom Green.
Are there datacenter candidate sites near TAP308019 substation?
GridCensus lists at least 8 scored candidate sites within roughly 25 miles of TAP308019. The highest-scoring is TWIN BUTTES at 64/100. 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, “TAP308019 substation, Texas”, https://gridcensus.com/substations/texas/tap308019-ba728250 (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 TAP308019 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.