Barrio Grid / Texas counties / Trinity County

Trinity County, Texas: power grid and siting data

Entergy (non-ERCOT) owns most of the substations near the county center. It has 4 mapped substations, owned mostly by Entergy (non-ERCOT), Alonso Charles & Lajeana and Gulf States Utilities; the highest voltage is 138 kV. The ERCOT queue lists 0 generation projects and 0 battery storage projects here.

4substations

138 kVhighest voltage

0generation projects queued

0battery projects queued

n/aload zone, 7-day avg $/MWh

Substations in Trinity County

1 at 138 kV, 3 at 69 kV and below.

Substation	Voltage	Owner	Lines
Kickapoo	138 kV	Entergy (non-ERCOT)	1	map
Tap307871	69 kV	Alonso Charles & Lajeana	3	map
Magnolia Groveton	69 kV	Entergy (non-ERCOT)	2	map
Unnamed station	69 kV	Gulf States Utilities	1	map

ERCOT interconnection queue

No generation projects are queued in Trinity County. No battery storage projects are queued.

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 Trinity County.

Wholesale power prices

No price data.

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: Groveton (1.6 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

Houston County Polk County Angelina County San Jacinto County Walker County Nacogdoches County

See Trinity 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.

Open the map here Plans

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.