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399.6 MW Natural Gas operating in Washington, LA
399.6 MW
Nameplate Capacity
2
Generators
units
Natural Gas Fired Combustion Turbine
Technology
2020
Operating Since
Coordinates
30.7921, -89.9085
County
Washington, LA
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Entergy Louisiana LLC | Entergy Louisiana | — |
| Owner(s) | Entergy Louisiana LLC | Entergy | — |
| Status | Operating | — | — |
Washington Parish Energy Center is a 399.6 MW natural gas-fired power plant located in Washington Parish, Louisiana. The plant began operating in 2020 and is owned by Entergy and operated by Entergy Louisiana LLC. It consists of two natural gas-fired combustion turbine generators. The plant operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority and the SERC NERC region.
In its most recent year of operation, the Washington Parish Energy Center generated 410,721 MWh of electricity, resulting in a capacity factor of 11.7%. The plant's installed cost was $427.66 per kW, according to FERC data. The plant is ranked as the 19th largest in Louisiana out of 32 plants, and 548th nationally out of 945 plants.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
230.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
7.3K MWh
Latest Month
410.7K MWh
Annual Generation
11.7%
Capacity Factor
Forward-looking generation outlook with probabilistic ranges across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
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CO₂ Intensity
1088 lb/MWh
NOx
0.244 lb/MWh
SO₂
0.005 lb/MWh
CH₄
0.023 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
9.8%
Annual Net Gen
343 GWh
CO₂eq
1089 lb/MWh
Subregion
SERC Mississippi Valley
Gas turbine · Entergy Louisiana, LLC · Data from 2020–2024
$562/kW
Installed Cost
$-1/kW
Annual CapEx
$40.4/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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Market Position
ISO/RTO Market
MISO
LMP Node
EES.WASHEC_CT2
Pricing Hub
LOUISIANA.HUB
Location Type
Generation Node
Node Source
Curated node match
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-03-26
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