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.
Overview
Key fields
- 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
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.
Structured profile
- ERCOT unit ratings
- 917 / 855 MW
Installed / seasonal capability per unit
- Configuration
- 2 supercritical units
Lignite-fired steam generation
- Wastewater permit
- WQ0001986000
TCEQ industrial wastewater authorization
Units and generators
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| OG1 | 916.8 MW 855 MW summer | Conventional Steam Coal Lignite · ST | Apr 2010 | Operating |
| OG2 | 878.6 MW 855 MW summer | Conventional Steam Coal Lignite · ST | Apr 2011 | Operating |
Performance
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Peer context
- Technology capacity
- 1,795.4 MW
- National rank
- #25
- TX rank
- #4
Monthly generation
Download CSVMonthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
ERCOT disclosed dispatch
2 ERCOT market resources · Coal / lignite
Generation
3 mo through May 22, 2026Capacity factor is average output vs. this plant's observed peak.
Output by hourlocal time · 90 days through May 22, 2026
Latest disclosed outputhourly · 2 weeks ending May 22, 2026
Generation from ERCOT's 60-Day SCED Disclosure (≈60-day lag), summed over this site's market resources.
Grid and market context
Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.
Market registration
ERCOT public disclosuresOperating context
ERCOT market recordsNearby substations
HIFLD infrastructure inventoryCommercial, land, and environmental record
Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.
Land and environmental record
Related parties and identifiers
Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.
Parties and identifiers
| Relationship | Entity | Basis |
|---|---|---|
| Market resources | OGSES_UNIT1A, OGSES_UNIT2 | Linked ERCOT resources. |
| Grid selection | plant:plant-6180 | Canonical asset page /ercot/assets/plant/oak-grove-tx. |
Reporting portfolio
| Largest reported plants | Capacity | State |
|---|---|---|
| Comanche Peak | 2,430 MW | TX |
| Martin Lake | 2,379.6 MW | TX |
| Oak Grove (TX)Current | 1,795.4 MW | TX |
| Lake Hubbard | 927.5 MW | TX |
| Stryker Creek | 713.4 MW | TX |
| Graham | 634.7 MW | TX |
| DeCordova Steam Electric Station | 626.7 MW | TX |
| Morgan Creek | 536.4 MW | TX |
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
View full reporting portfolioTimeline and sources
Project milestones and public references behind the asset profile.
Project timeline
- Generator enters operationEIA-860
EIA-860 lists generator OG1 with this operating date.
- Generator enters operationEIA-860
EIA-860 lists generator OG2 with this operating date.
- Latest disclosed generation interval
ERCOT SCED disclosure is delayed, so plant performance windows end at the latest disclosed interval.
Sources
Related assets
Similar plants ranked by technology, capacity, and distance.