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Washington Parish Energy Center

Washington County, Louisiana · EIA plant ID 55486 · Operator: Entergy Louisiana LLC
Natural gasNatural Gas Fired Combustion TurbineMISOBA: MISO
Nameplate400MWSummer 370 MW
Generators2in service
Net generation328GWh12 mo to Aug 2026
Capacity factor10%gas/coal/oil units, summer MW
Heat rate10,784Btu/kWhfossil units, electric fuel, HHV
First online2020Runs as peaking

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
-200204060GWh202120222023202420252026

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%5%10%2020202120222023202420252026202710.1% · 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.
10,00010,50011,00011,50012,0002020202120222023202420252026202710,784 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
202081.5%11,841
2021184.75.8%10,721
2022378.711.7%10,529
2023343.110.7%10,447
2024282.58.8%10,503
2025410.712.7%10,869

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
CTG01Natural Gas Fired Combustion TurbineGT199.8185Nov 2020Operating—coming soon
CTG02Natural Gas Fired Combustion TurbineGT199.8184.9Nov 2020Operating—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%400 MW

Nearby plants

Within 80 km.
Gaylord Container Bogalusa100 MW5.1 km
Bogalusa West Solar Station—7.2 km
Iris Solar LLC50 MW27.4 km
Sunlight Road Solar50 MW29.5 km
Moonshot79 MW55.3 km
District 70 Transco Gas Pipe Line2 MW57.8 km