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1433.6 MW Conventional Steam Coal (615 MW) + Natural Gas Steam Turbine (592 MW) + Petroleum Coke (227 MW) operating in Calcasieu, LA — Midcontinent Independent Transmission System Operator, Inc..
1,433.6 MW
Nameplate Capacity
4
Generators
units
Hybrid (3)
Technology
Conventional Steam Coal + Natural Gas Steam Turbine + Petroleum Coke
1959
Operating Since
Coordinates
30.2844, -93.2911
County
Calcasieu, LA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Entergy Louisiana LLC | Entergy Louisiana | — |
| Owner(s) | CITGO Petroleum Corp, Conoco Inc & BP Amoco, EAM Nelson Holding LLC, East Texas Electric Coop, Inc, Entergy Louisiana LLC, Entergy Texas Inc., SASOL North American Inc, Sam Rayburn G&T Elec Coop Inc | Entergy | — |
| Status | Operating | — | — |
Roy S. Nelson Generating Plant is a coal-fired power plant in Louisiana.
Read more on WikipediaThe R S Nelson power plant, located in Calcasieu County, Louisiana, has a total capacity of 1433.6 MW across four generators. The plant began operating in 1959 and is owned by Entergy, with Entergy Louisiana LLC as the operator. The primary fuel source is petroleum coke (PC), but the plant also utilizes conventional steam coal and natural gas steam turbines. It is considered a hybrid plant due to its multiple fuel sources.
In the latest year for which data is available, the plant generated 1,982,885 MWh, resulting in a capacity factor of 15.7%. The plant operates within the Midcontinent Independent Transmission System Operator, Inc. balancing authority and the SERC NERC region. Financial data indicates an installed cost of $1093.15 per kW, based on FERC filings. The R S Nelson plant is ranked as the largest in the state and the nation.
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
271.7K MWh
Latest Month
2.0M MWh
Annual Generation
15.7%
Capacity Factor
Steam turbine · Entergy Texas, Inc. · Data from 2015–2024
$1,177/kW
Installed Cost
$1/kW
Annual CapEx
$46.3/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Market Position
ISO/RTO Market
MISO
LMP Node
EES.NELSON6
Pricing Hub
LOUISIANA.HUB
Alt. Hub / Zone
TEXAS.HUB
Location Type
Generation Node
Node Source
EIA-860 direct report
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