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1000 MW Natural Gas operating in St Charles, LA — Midcontinent Independent Transmission System Operator, Inc..
1,000 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combined Cycle
Technology
2019
Operating Since
Coordinates
30.0100, -90.4608
County
St Charles, LA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Entergy Louisiana LLC | Entergy Louisiana | — |
| Owner(s) | Entergy Louisiana LLC | Entergy | — |
| Status | Operating | — | — |
St. Charles Power Station is a 1,000 MW natural gas-fired combined cycle power plant located in St. Charles County, Louisiana. The plant began operating in 2019 and consists of 3 generators. It is owned by Entergy and operated by Entergy Louisiana LLC. The plant is ranked 7th out of 32 power plants in Louisiana and 169th out of 945 plants nationally.
The plant operates within the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority and the SERC NERC region. In its most recent year of operation, the plant generated 5,539,915 MWh, achieving a capacity factor of 63.1%. Financial data indicates an installed cost of $806.16 per kW, according to FERC filings.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
SERC — SERC Reliability Corporation
Balancing Authority
378.6K MWh
Latest Month
5.5M MWh
Annual Generation
63.1%
Capacity Factor
CO₂ Intensity
845 lb/MWh
NOx
0.057 lb/MWh
SO₂
Gas turbine · Entergy Louisiana, LLC · Data from 2019–2021
$782/kW
Installed Cost
$-0/kW
Annual CapEx
$39.4/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Point of Interconnection
Nearest Substation
Little Gypsy Substation · 230 kV
Substation Distance
< 10 km
Operator
Entergy Louisiana
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
—
Pricing Hub
LOUISIANA.HUB
Node Source
Shared substation inference
Substation identified. Node ID not yet resolved against ISO roster.
Last updated 2026-04-09
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ask pi about St. Charles Power Station (LA)Midcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
230.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
0.004 lb/MWh
CH₄
0.015 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
57.8%
Annual Net Gen
5059 GWh
CO₂eq
846 lb/MWh
Subregion
SERC Mississippi Valley