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Barrio Grid / Texas counties / La Salle County

La Salle County, Texas: power grid and siting data

La Salle County is in ERCOT's SOUTH load zone. It has 8 mapped substations, owned mostly by AEP Texas and STEC; the highest voltage is 138 kV. The ERCOT queue lists 3 generation projects (2 solar and 1 wind) and 4 battery storage projects here.

8substations
138 kVhighest voltage
3generation projects queued
4battery projects queued
$48.57SOUTH zone, 7-day avg $/MWh
Map of substations in La Salle County, Texas

Substations in La Salle County

8 at 138 kV.

SubstationVoltageOwnerLines
Cotulla138 kVSTEC3map
Cotulla138 kVAEP Texas2map
Reveille138 kVSTEC2map
Jardin138 kVSTEC2map
Encinal138 kVAEP Texasmap
Hindes Road138 kVAEP Texasmap
Holcomb138 kVAEP Texasmap
Lemay Box Bay138 kVAEP Texasmap

ERCOT interconnection queue

3 generation projects are queued in La Salle County: 2 solar and 1 wind. By stage: 2 with a signed interconnection agreement and 1 in full interconnection study. 4 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 La Salle County.

Wholesale power prices

The SOUTH load zone averaged $48.57/MWh day-ahead over the last 7 days. Nearest generator pricing nodes: VENADO_ALL $44.15, COTULLA_RN $48.70 and HOLCOMB_RN1 $43.17.

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

Data centers and large loads

1 announced data center campus in La Salle County.

Jurisdiction

Nearest city to the county center: Cotulla (9.2 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

See La Salle County on the map

Every substation, line, queue project, pipeline and price node in Texas, plus Dub, an AI landman who answers questions about any spot. Free account, no card.

Sources: HIFLD and OpenStreetMap substations and lines, ERCOT GIS report (queue, 2026-09), ERCOT day-ahead prices, TxDOT and StratMap boundaries, Barrio Energy research. Updated 2026-11-09. Screening data only; the serving utility confirms capacity.