Tom Green County, Texas: power grid and siting data

Substations in Tom Green County

2 at 345 kV, 27 at 138 kV, 23 at 69 kV and below. The 30 highest-voltage stations are listed; the map shows all 52.

ERCOT interconnection queue

7 generation projects are queued in Tom Green County: 5 solar and 2 wind. By stage: 1 with a signed interconnection agreement and 6 in full interconnection study. 6 battery storage projects are queued, 0 with a signed interconnection agreement.

From the ERCOT GIS report. Project names, developers, MW and dates are on Pro.

Planned transmission

No planned substations, lines or upgrades are recorded in Tom Green County.

Wholesale power prices

The WEST load zone averaged $57.31/MWh day-ahead over the last 7 days. Nearest generator pricing nodes: GALO_RN1 $44.97, ANG_ALL $54.50 and RAMBLER_UNIT $54.50.

ERCOT day-ahead settlement point prices. Hourly history, battery spreads and real-time prices are on the map.

Data centers and large loads

3 announced data center campuses in Tom Green County, 3 at or above ERCOT's 75 MW large load threshold.

• Beacon answers Darby's questions on Dove Creek data center San Angelo LIVE 2026-10-27
• San Angelo City Council Adopts Water Use Regulations for Data Centers San Angelo LIVE! 2026-06-16
• San Angelo Data Center Information (city page) City of San Angelo 2026-06-16
• City Council OKs Wastewater Discharge Rules for Data Centers, Tables Water-Use Ordinance San Angelo LIVE! 2026-06-02
• Tom Green County Tables Data Center, Green Energy Moratorium San Angelo LIVE! 2026-05-26

Jurisdiction

Nearest city to the county center: San Angelo (0.1 mi). Outside city limits and ETJ, development falls under county rules and state law. City limits and estimated ETJ are on the map.

Nearby counties