# Trinidad (TX)

ERCOT asset profile · https://askthegrid.com/assets/facilities/trinidad-tx

Luminant Generation Company LLC · Henderson County · ERCOT

Trinidad is an operating thermal generation facility in Henderson County, Texas. EIA's May 2026 inventory lists Plant ID 3507 with 243.3 MW of nameplate capacity and 239 MW of net summer capability: a 239.3 MW natural-gas steam unit that entered service in May 1965 and two 2 MW petroleum-liquid generators added in August 1966.

## Profile

- **Grid role:** Dispatchable thermal generation in ERCOT.
- **Capacity scope:** 243.3 MW EIA nameplate · 239 MW EIA net summer capability.
- **Operating configuration:** One 239.3 MW gas steam unit · two 2 MW petroleum-liquid generators.
- **Status reconciliation:** A 2020 retirement plan targeted April 2021; May 2026 EIA and current ERCOT records still list the facility as operating.

## Metrics

- **Net summer capability:** 239 MW — EIA May 2026
- **Nameplate capacity:** 243.3 MW — Three operating generators
- **Gas steam unit:** 239.3 MW — May 1965
- **Petroleum units:** 2 × 2 MW — Aug 1966
- **Settlement point:** TRSES_UNIT6 — ERCOT settlement point.
- **Registry anchor:** Plant 3507 — Luminant Generation Company LLC

## Facts

- **Net summer capability:** 239 MW — EIA · confidence: high
- **Nameplate capacity:** 243.3 MW — EIA · confidence: high
- **Registered operator:** Luminant Generation Company LLC — EIA · confidence: high
- **Current ERCOT point:** TRSES_UNIT6 — ERCOT · confidence: high

## Related parties

- **EIA registered operator:** Luminant Generation Company LLC — EIA May 2026 generator inventory

## Sources

- [EIA May 2026 generator inventory](https://www.eia.gov/electricity/data/eia860m/) — U.S. Energy Information Administration · regulatory — Current generator records, capacity scopes, dates, status, operator, and technology.

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Canonical page: https://askthegrid.com/assets/facilities/trinidad-tx
Website: [Vistra](https://vistracorp.com/)
Profile published: 2026-07-17T03:34:55.114Z
Source: Ask the Grid — https://askthegrid.com/