Zapata County, Texas: power grid and siting data
Zapata County is in ERCOT's SOUTH load zone. It has 9 mapped substations, owned mostly by AEP Texas; the highest voltage is 345 kV. The ERCOT queue lists 19 generation projects (10 solar and 9 wind) and 8 battery storage projects here.
Substations in Zapata County
5 at 345 kV, 4 at 138 kV.
ERCOT interconnection queue
19 generation projects are queued in Zapata County: 10 solar and 9 wind. By stage: 4 with a signed interconnection agreement and 15 in full interconnection study. 8 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
2 planned grid projects touch Zapata County: 1 new substation and 1 new or rebuilt line, 2 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: BRP_ZPT1_RN $43.90, RELOJ_ALL $43.80 and EXGNSND_RN $43.90.
ERCOT day-ahead settlement point prices. Hourly history, battery spreads and real-time prices are on the map.
Jurisdiction
Nearest city to the county center: El Cenizo (30.2 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 Zapata 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.