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Waterford 1 & 2

St. Charles County, Louisiana · EIA plant ID 8056 · Operator: Entergy Louisiana LLC
Natural gasNatural Gas Steam TurbinePetroleum LiquidsMISOBA: MISO

×446 MW natural gas retired since 2020 (latest Mar 2024)

Nameplate487MWSummer 449 MW
Generators2in service
Net generation339GWh12 mo to Dec 2025
Capacity factor9%gas/coal/oil units, summer MW
Heat rate12,114Btu/kWhfossil units, electric fuel, HHV
First online1975Runs as peaking

Monthly net generation

EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
-1000100200300GWh2001200320052007200920112013201520172019202120232025

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%10%20%30%200520102015202020258.6% · 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.
10,00012,00014,0002005201020152020202512,114 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
20011,883.4——
20021,473.5——
20031,502.520.9%12,155
20041,950.227.0%10,994
20051,563.821.7%11,741
2006371.65.3%14,989
20075457.6%15,250
2008547.57.6%15,011
2009546.27.6%15,271
2010972.113.0%13,071
20111,036.313.9%13,559
201271618.4%13,009
2013963.612.9%12,729
20141,232.617.0%11,787
20151,341.118.9%11,013
2016843.911.2%11,269
2017829.211.2%11,575
20181,613.721.1%10,974
20196738.9%10,743
2020133.41.8%10,898
2021257.73.4%11,608
2022371.44.9%10,877
2023239.73.2%11,331
2024318.77.0%10,994
20253398.6%12,114

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
2Natural Gas Steam TurbineST445.5417.3Oct 1975Operating · retirement plannedJun 2028coming soon
4Petroleum LiquidsGT4132.1Sep 2009Operating (Standby / backup)—coming soon
1Natural Gas Steam TurbineST445.5409.5Jul 1975Retired Mar 2024—coming soon

Owner / operator

Operator: Entergy Louisiana LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Entergy Louisiana LLC100.0%487 MW

Nearby plants

Within 80 km.
Waterford 31,200 MW0.6 km
Waterford 5—1.4 km
Waterford 6—1.4 km
Little Gypsy1,003 MW1.6 km
St. Charles Power Station (LA)1,000 MW2 km
Taft Cogeneration Facility894 MW2 km