# Oak Grove (TX)

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

Luminant · Robertson County · ERCOT

Oak Grove Steam Electric Station is a two-unit lignite-fired power plant in Robertson County, Texas, registered as EIA Plant ID 6180. ERCOT records in-service dates of April 14, 2010 for Unit 1 and April 19, 2011 for Unit 2.

## Profile

- **Operating configuration:** Two supercritical lignite-fired steam units, each listed by ERCOT at 917 MW installed and 855 MW seasonal capability.
- **ERCOT resources:** OGSES_UNIT1A and OGSES_UNIT2 at the OGSES settlement point.
- **Construction:** Fluor provided EPC and commissioning services for the two-unit station.

## Metrics

- **Reported capacity:** 1,710 MW — EIA-reported operating capacity; nameplate, seasonal, AC/DC, and unit ratings may differ.
- **Technology:** Supercritical steam — Two lignite-fired conventional-steam units.
- **Unit 1 in service:** Apr 14, 2010 — ERCOT resource OGSES_UNIT1A.
- **Unit 2 in service:** Apr 19, 2011 — ERCOT resource OGSES_UNIT2.
- **Resource stack:** 2 resources — OGSES_UNIT1A · OGSES_UNIT2

## Facts

- **ERCOT unit ratings:** 917 / 855 MW — Installed / seasonal capability per unit · confidence: high
- **Configuration:** 2 supercritical units — Lignite-fired steam generation · confidence: high
- **Wastewater permit:** WQ0001986000 — TCEQ industrial wastewater authorization · confidence: high

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Canonical page: https://askthegrid.com/assets/facilities/oak-grove-tx
Website: [Vistra Corp](https://vistracorp.com/)
Profile published: 2026-07-17T03:34:36.402Z
Source: Ask the Grid — https://askthegrid.com/