Webb County, Texas: power grid and siting data
Webb County is in ERCOT's SOUTH load zone. It has 45 mapped substations, owned mostly by AEP Texas, STEC and Nextera Energy; the highest voltage is 345 kV. The ERCOT queue lists 9 generation projects (7 solar and 2 wind) and 10 battery storage projects here.
Substations in Webb County
11 at 345 kV, 33 at 138 kV, 1 at 69 kV and below. The 30 highest-voltage stations are listed; the map shows all 45.
| Substation | Voltage | Owner | Lines | |
|---|---|---|---|---|
| Lobo | 345 kV | AEP Texas | 4 | map |
| Cenizo | 345 kV | AEP Texas | 3 | map |
| Anna Street | 345 kV | AEP Texas | 2 | map |
| Bordas | 345 kV | Nextera Energy | 1 | map |
| Avanzada | 345 kV | AEP Texas | map | |
| Albercas | 345 kV | AEP Texas | map | |
| Guajillo Storage | 345 kV | AEP Texas | map | |
| Outpost | 345 kV | AEP Texas | map | |
| Siete Wind | 345 kV | AEP Texas | map | |
| Planck | 345 kV | AEP Texas | map | |
| Triada | 345 kV | AEP Texas | map | |
| Laredo Plant | 138 kV | AEP Texas | 8 | map |
| Wormser Road | 138 kV | AEP Texas | 6 | map |
| Laredo Vft North Yard | 138 kV | AEP Texas | 6 | map |
| Laredo Vft South Yard | 138 kV | AEP Texas | 4 | map |
| La Quinta | 138 kV | AEP Texas | 4 | map |
| Bruni | 138 kV | AEP Texas | 3 | map |
| University | 138 kV | AEP Texas | 2 | map |
| Milo | 138 kV | AEP Texas | 2 | map |
| Molina | 138 kV | AEP Texas | 2 | map |
| Del Mar | 138 kV | AEP Texas | 2 | map |
| Mines Road | 138 kV | AEP Texas | 2 | map |
| Santo Nino | 138 kV | AEP Texas | 2 | map |
| Unnamed station | 138 kV | Villarreal Jose Luis | 2 | map |
| Rio Brava | 138 kV | AEP Texas | 2 | map |
| Laredo Plant Statcom | 138 kV | AEP Texas | 1 | map |
| Bruni | 138 kV | STEC | 1 | map |
| Botines | 138 kV | STEC | 1 | map |
| North Laredo Switching Station | 138 kV | AEP Texas | 1 | map |
| Sierra Vista | 138 kV | AEP Texas | 1 | map |
ERCOT interconnection queue
9 generation projects are queued in Webb County: 7 solar and 2 wind. By stage: 5 with a signed interconnection agreement and 4 in full interconnection study. 10 battery storage projects are queued, 1 with a signed interconnection agreement.
From the ERCOT GIS report. Project names, developers, MW and dates are on Pro.
Planned transmission
9 planned grid projects touch Webb County: 3 new substations, 3 new or rebuilt lines and 3 substation upgrades, 6 at 345 kV or above; 1 already energized.
Wholesale power prices
The SOUTH load zone averaged $48.57/MWh day-ahead over the last 7 days. Nearest generator pricing nodes: CORAZON_RN $43.32, OUTP_SLR_RN $42.98 and TORR_ALL $43.32.
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 Webb County, 1 at or above ERCOT's 75 MW large load threshold.
- Legacy WSC secondary water barred from data centers Laredo Morning Times 2026-08-07
- Laredo rejects data center moratorium, drafts regulations Laredo Morning Times 2026-08-04
- 50,000-Acre, Hydrogen-Powered Data Center Campus Planned In Texas Bisnow 2025-03-21
Jurisdiction
Nearest city to the county center: Laredo (8 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 Webb 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.