Lavaca County, Texas: power grid and siting data
Lavaca County is in ERCOT's LCRA load zone. It has 4 mapped substations, owned mostly by LCRA and Guadalupe Valley Elec Coop Inc; the highest voltage is 345 kV. The ERCOT queue lists 0 generation projects and 1 battery storage project here.
Substations in Lavaca County
1 at 345 kV, 1 at 138 kV, 2 at 69 kV and below.
ERCOT interconnection queue
No generation projects are queued in Lavaca County. 1 battery storage project is 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 Lavaca County: 2 new or rebuilt lines, 2 at 345 kV or above.
Wholesale power prices
The LCRA load zone averaged $44.89/MWh day-ahead over the last 7 days. Nearest generator pricing nodes: CR_RN $37.24, TRUSGILL_RN $33.92 and ORIANA_RN $55.26.
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: Hallettsville (1.4 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 Lavaca 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.