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Oak Grove (TX)

Robertson County, Texas · EIA plant ID 6180 · Operator: Luminant Generation Company LLC
CoalConventional Steam CoalERCOTBA: ERCO
Nameplate1,795MWSummer 1,710 MW
Generators2in service
Net generation12,011GWh12 mo to Aug 2026
Capacity factor80%gas/coal/oil units, summer MW
Heat rate11,245Btu/kWhfossil units, electric fuel, HHV
First online2010Runs as baseload

The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.

Monthly net generation

EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
02505007501,000GWh20112013201520172019202120232025

Capacity factor by year

Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
0%25%50%75%201020152020202580.2% · 12 mo

Heat rate by year

Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
9,50010,00010,50011,00011,500201020152020202511,245 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
20103,92172.5%10,475
201110,337.880.7%10,914
201211,15476.3%10,524
201311,866.981.4%10,151
201412,910.988.5%10,053
201511,92681.8%10,858
201612,151.883.1%10,752
201713,463.592.3%10,341
201812,21683.8%10,227
201912,407.482.8%10,225
202013,105.887.3%10,363
202112,334.182.3%10,300
202212,618.784.2%10,355
202312,011.880.2%10,831
202410,931.572.8%11,366
202511,052.173.8%11,453

Generators

EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
Gen IDTechnologyPrime moverNameplate MWSummer MWOnlineStatusPlanned retirementOEM / model
OG1Conventional Steam CoalST916.8855Apr 2010Operating—coming soon
OG2Conventional Steam CoalST878.6855Apr 2011Operating—coming soon

Owner / operator

Operator: Luminant Generation Company LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Luminant Generation Company LLC100.0%1,795 MW

Nearby plants

Within 80 km.
Diver Solar, LLC225 MW12 km
Bee Branch IA—18.9 km
Tidwell Prairie II—19 km
Barton Branch IA—19 km
Tidwell Prairie Storage 1200 MW19.2 km
Pecan Prairie North Solar—21.2 km