Maverick County, Texas: power grid and siting data
Maverick County is in ERCOT's SOUTH load zone. It has 11 mapped substations, owned mostly by AEP Texas, Comanche Maverick Ranch Investments Lp and Rio Grande Electric Cooperative; the highest voltage is 138 kV. The ERCOT queue lists 2 generation projects (2 solar) and 6 battery storage projects here.
Substations in Maverick County
11 at 138 kV.
| Substation | Voltage | Owner | Lines | |
|---|---|---|---|---|
| Unnamed station | 138 kV | Comanche Maverick Ranch Investments Lp | 4 | map |
| Eagle Pass | 138 kV | AEP Texas | 3 | map |
| Escondido | 138 kV | AEP Texas | 3 | map |
| Tap308157 | 138 kV | not recorded | 3 | map |
| Eagle Hydro | 138 kV | AEP Texas | 2 | map |
| Maverick | 138 kV | AEP Texas | 2 | map |
| Conoco-Chittam Ranch | 138 kV | AEP Texas | 1 | map |
| Pueblo | 138 kV | AEP Texas | 1 | map |
| Rosita Creek | 138 kV | Rio Grande Electric Cooperative | 1 | map |
| Unnamed station | 138 kV | Maverick County Wc & Id 1 | 0 | map |
| Ganso | 138 kV | AEP Texas | map |
ERCOT interconnection queue
2 generation projects are queued in Maverick County: 2 solar. By stage: 2 with a signed interconnection agreement. 6 battery storage projects are queued, 3 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 Maverick County.
Wholesale power prices
The SOUTH load zone averaged $48.57/MWh day-ahead over the last 7 days. Nearest generator pricing nodes: ESCONDID_ESR $43.34, BRP_PBL1_RN $44.23 and CARRIZO_ESR1 $47.26.
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 Maverick County.
Jurisdiction
Nearest city to the county center: Eagle Pass (8.2 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 Maverick 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.