GridPlants

R S Nelson

CoalLouisianaFirst unit online 1959

R S Nelson is a coal plant in Calcasieu Parish, Louisiana, operated by Entergy Louisiana LLC. It ranks fourth by nameplate capacity among Louisiana’s 97 power plants. Ownership is shared by eight organizations; the largest stake, 17%, is held by Entergy Louisiana LLC. Its units draw on three kinds of energy: coal, natural gas and oil-fired.

Nameplate capacity, 2025

1,434 MW

1,129 MW net summer capacity

4 operable units

  • Coal steam615 MW43%
  • Gas steam turbine592 MW41%
  • Petroleum coke227 MW16%

Unit by unit, 1959 to 2025

operating in 2025retiredbar height follows unit size

Unit 1 Petroleum coke, 114 MW, 1959
Unit 2 Petroleum coke, 114 MW, 1959
Unit 3 Gas steam turbine, 163 MW, 1960–2017
Unit 4 Gas steam turbine, 592 MW, 1970
Unit 6 Coal steam, 615 MW, 1982

Among Louisiana’s plants

Largest plants in the state by nameplate capacity, with the plants ranked next to this one.

  1. 1Nine Mile Point2,440 MW
  2. 2Big Cajun 21,903 MW
  3. 3Brame Energy Center1,707 MW
  4. 4R S Nelsonthis plant
  5. 5Acadia Energy Center1,389 MW
  6. 6Waterford 31,200 MW

All power plants in Louisiana

Other rankings

All US power plants
153rd of 14,286
US coal plants
49th of 195
Coal plants in Louisiana
2nd of 2
Plants in the MISO (Midcontinent) balancing area
20th of 2,383
Plants run by Entergy Louisiana LLC
2nd of 15
Biggest single unit, among Louisiana’s plants
7th of 97

Operable units

UnitTechnologyNameplateSummerOnlineStatus
1Petroleum coke114 MW97.2 MW1959Operating
2Petroleum coke114 MW93.2 MW1959Operating
4Gas steam turbine592 MW425 MW1970Operating
6Coal steam615 MW514 MW1982Operating

Retired units

Retired capacity here totals 163 MW, mostly natural gas units.

UnitTechnologyNameplateIn service
3Gas steam turbine163 MW1960–2017

Who owns it

Shares are weighted by the nameplate capacity of each unit an owner holds.

OwnerShare of capacity
Entergy Louisiana LLC17.4%
Entergy Texas Inc.12.8%
CITGO Petroleum Corp7.8%
Conoco Inc & BP Amoco5.7%
EAM Nelson Holding LLC4.7%
Sam Rayburn G&T Elec Coop Inc4.3%
East Texas Electric Coop, Inc3.9%
SASOL North American Inc2.1%
Entergy Louisiana LLC (sole owner of the other units)41.3%

Grid and site

Balancing area
MISO (Midcontinent)
Reliability region
SERC Reliability Corporation
Highest grid connection voltage
230 kV
Water source
Sabine River Authority Canal
Nearest town on record
Westlake
Operator type
Utility
Coordinates
30.284°N, 93.291°W

Closest plants

PlantRuns onCapacityDistance
Lake Charles PowerNatural gas1,000 MW0.9 mi south
PPG Plant C CausticNatural gas3.4 MW4.0 mi south
PPG Powerhouse CNatural gas358 MW4.0 mi south
PPG Powerhouse AOther sources52.5 MW4.1 mi south
PPG RiversideOther sources162 MW4.4 mi south
RS CogenNatural gas493 MW4.4 mi south
Lake Charles PolymersNatural gas31.1 MW6.3 mi south
CITGO Refinery PowerhouseOther sources75 MW7.3 mi south