Trinidad Substation, Henderson County, Texas
Trinidad Substation is a 345 kV station in Henderson County, Texas, owned by Oncor with 11 transmission lines connected. It is classed as a transmission station: load service would need a new transformer or a distribution sub fed from it. 4 queued projects name it as their point of interconnection.
Station facts
| Owner | Oncor |
| Voltage | 345 kV |
| Status | In Service |
| Station class | transmission (moderate confidence) |
| Likely serving utility nearby | Oncor |
| Jurisdiction | Inside Trinidad city limits |
| Coordinates | 32.1263, -96.1058 |
Interconnection queue at Trinidad Substation
3 generation projects name this station as point of interconnection: 1 gas and 2 solar. 1 battery storage project, 0 with a signed interconnection agreement.
From the ERCOT GIS report. Developers, MW and dates are on Pro.
Nearby substations
| Substation | Voltage | Owner | Distance |
|---|---|---|---|
| Trinidad | 69 kV | Oncor | 0.14 mi |
| Unnamed station | 138 kV | Blade Land Llc | 1.91 mi |
| Unnamed station | 69 kV | Oncor | 6.68 mi |
| Unnamed station | 138 kV | Marsh Marsha Ann | 8 mi |
| Unnamed station | 138 kV | Tarrant County Water Control | 8.23 mi |
| Unnamed station | 138 kV | not recorded | 8.27 mi |
| Unnamed station | 138 kV | Tarrant County Water Dist | 8.31 mi |
Wholesale prices nearby
The NORTH load zone averaged $39.98/MWh day-ahead over the last 7 days. Nearest generator pricing nodes: GAIA_SLR_RN $37.02, FENCESLR_ALL $37.06 and ARMD_SLR_RN $37.45.
See Trinidad Substation on the map
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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.