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Limestone

Limestone County, Texas · EIA plant ID 298 · Operator: NRG Texas Power LLC
CoalConventional Steam CoalERCOTBA: ERCO
Nameplate1,850MWSummer 1,688 MW
Generators2in service
Net generation6,893GWh12 mo to Aug 2026
Capacity factor47%gas/coal/oil units, summer MW
Heat rate11,476Btu/kWhfossil units, electric fuel, HHV
First online1985Runs 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
-50005001,000GWh2001200320052007200920112013201520172019202120232025

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%50%100%2005201020152020202546.6% · 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.
8,00010,00012,0002005201020152020202511,476 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
20019,09567.8%10,397
200211,385.579.0%8,498
200312,073.986.0%10,327
200413,016.592.5%10,033
200512,75990.2%10,163
200612,709.585.3%9,955
200713,592.291.9%10,130
200813,896.193.7%10,315
200911,952.380.8%10,391
201012,767.186.3%10,380
201113,484.191.1%10,204
201211,516.577.6%10,284
201312,87287.0%10,284
201411,977.281.0%10,388
20159,164.761.9%10,503
20169,161.361.8%10,566
20179,199.462.2%10,931
20189,548.464.5%10,601
20198,700.458.8%10,421
20205,716.338.5%11,288
20215,702.138.5%11,136
20227,256.349.0%11,068
20236,059.241.7%12,233
20245,364.936.8%11,395
20257,523.450.9%11,466

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
1Conventional Steam CoalST893831Dec 1985Operating—coming soon
2Conventional Steam CoalST956.8857Dec 1986Operating—coming soon

Owner / operator

Operator: NRG Texas Power LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
NRG Texas Power LLC100.0%1,850 MW

Nearby plants

Within 80 km.
Kahla Storage—10.7 km
Diver Solar, LLC225 MW23.1 km
Avant Prairie ESS—25.8 km
Piedra Solar—26.7 km
Pecan Prairie North Solar—31.7 km
Fairfield Solar Project10 MW33.1 km