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Barrio Grid / Texas counties / Martin County

Martin County, Texas: power grid and siting data

Martin County is in ERCOT's WEST load zone. It has 7 mapped substations, owned mostly by Sharyland, Oncor and Wind Energy Transmission Texas; the highest voltage is 345 kV. The ERCOT queue lists 0 generation projects and 3 battery storage projects here.

7substations
345 kVhighest voltage
0generation projects queued
3battery projects queued
$57.31WEST zone, 7-day avg $/MWh
Map of substations in Martin County, Texas

Substations in Martin County

2 at 345 kV, 2 at 138 kV, 3 at 69 kV and below.

SubstationVoltageOwnerLines
Triangle345 kVSharyland2map
Grelton345 kVWind Energy Transmission Texas2map
Martin Cap138 kVOncor3map
Buffalo138 kVSharyland1map
Stanton East69 kVOncor5map
Stanton Wind Energy69 kVInvenergy3map
Unnamed station69 kVAhc Ranch Family Limited Partn0map

ERCOT interconnection queue

No generation projects are queued in Martin County. 3 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

16 planned grid projects touch Martin County: 2 new substations and 14 new or rebuilt lines, 9 at 345 kV or above.

Wholesale power prices

The WEST load zone averaged $57.31/MWh day-ahead over the last 7 days. Nearest generator pricing nodes: KARAKAW1_1 $44.61, GRDNE_ESR_RN $61.49 and MESQCRK_ALL $56.18.

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: Midland (13.5 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 Martin 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.