Power plants in Louisiana

Louisiana has 97 power plants of 1 MW or more in the 2025 EIA-860 data, with 29.2 GW of nameplate capacity, the 17th-largest total among the 50 states and DC. Natural gas accounts for 71% of that capacity. The biggest single site is Nine Mile Point at 2,440 MW. Units that came online from 2020 to 2025 add 3,716 MW, led by natural gas at 63%. Units retired since 2016 at plants still operating total 1,510 MW, most of it natural gas.

Natural gas20,851 MW71%
Coal2,450 MW8.4%
Nuclear2,236 MW7.6%
Solar1,352 MW4.6%
Oil and petroleum994 MW3.4%
Other sources669 MW2.3%
Biomass and waste487 MW1.7%
Hydroelectric192 MW0.7%

What is running, by the decade it came online

NuclearCoalNatural gasOil and petroleumHydroelectricSolarBiomass and wasteOther sources

Columns above the line show capacity still operating in 2025, stacked by fuel. Below the line: capacity retired in each decade at plants that still operate.

The 25 largest plants

Rank	Plant	Runs on	Capacity	First unit	Operator
1	Nine Mile Point	Natural gas	2,440 MW	1971	Entergy Louisiana LLC
2	Big Cajun 2	Coal	1,903 MW	1981	Louisiana Generating LLC
3	Brame Energy Center	Oil and petroleum	1,707 MW	1975	Cleco Power LLC
4	R S Nelson	Coal	1,434 MW	1959	Entergy Louisiana LLC
5	Acadia Energy Center	Natural gas	1,389 MW	2002	Cleco Power LLC
6	Waterford 3	Nuclear	1,200 MW	1985	Entergy Louisiana LLC
7	Plaquemine Cogeneration Plant	Natural gas	1,085 MW	2004	Dow Chemical Co
8	River Bend	Nuclear	1,036 MW	1986	Entergy Louisiana LLC
9	Little Gypsy	Natural gas	1,003 MW	1966	Entergy Louisiana LLC
10	Lake Charles Power	Natural gas	1,000 MW	2020	Entergy Louisiana LLC
11	St. Charles Power Station (LA)	Natural gas	1,000 MW	2019	Entergy Louisiana LLC
12	Coughlin Power Station	Natural gas	923 MW	1961	Cleco Power LLC
13	Ouachita	Natural gas	904 MW	2002	Entergy Louisiana LLC
14	Taft Cogeneration Facility	Natural gas	894 MW	2002	Occidental Chemical Corporation
15	Perryville Power Station	Natural gas	824 MW	2001	Entergy Louisiana LLC
16	Magnolia Power	Natural gas	723 MW	2025	Magnolia Power Holdings LLC
17	J Lamar Stall Unit	Natural gas	624 MW	2010	Southwestern Electric Power Co
18	Carville Energy LLC	Natural gas	555 MW	2003	Carville Energy LLC
19	RS Cogen	Natural gas	493 MW	2002	Westlake 2 US LLC
20	Big Cajun 1	Natural gas	493 MW	1972	Louisiana Generating LLC
21	Waterford 1 & 2	Natural gas	486 MW	1975	Entergy Louisiana LLC
22	Louisiana 1	Natural gas	451 MW	1951	Entergy Louisiana LLC
23	Bayou Cove Peaking Power	Natural gas	416 MW	2002	Bayou Cove Peaking Power, LLC
24	Washington Parish Energy Center	Natural gas	400 MW	2020	Entergy Louisiana LLC
25	Calcasieu	Natural gas	359 MW	2000	Entergy Louisiana LLC

All 97 plants in the finder

Largest plant for each main fuel

Main fuel	Plants	Capacity	Largest plant	Its capacity
Natural gas	50	19.3 GW	Nine Mile Point	2,440 MW
Coal	2	3,336 MW	Big Cajun 2	1,903 MW
Nuclear	2	2,236 MW	Waterford 3	1,200 MW
Solar	18	1,352 MW	Oxbow Solar 1	300 MW
Oil and petroleum	3	1,725 MW	Brame Energy Center	1,707 MW
Other sources	12	525 MW	PPG Riverside	162 MW
Biomass and waste	9	588 MW	Mansfield Mill	172 MW
Hydroelectric	1	192 MW	Sidney A Murray Jr Hydroelectric	192 MW

Balancing areas

Area	Plants	Capacity
MISO (Midcontinent)	93	28.2 GW
Southwest Power Pool	4	1,050 MW

Biggest operators here

Operator	Plants	Capacity
Entergy Louisiana LLC	15	12.8 GW
Cleco Power LLC	5	4,112 MW
Louisiana Generating LLC	2	2,396 MW
Dow Chemical Co	1	1,085 MW
Westlake 2 US LLC	5	1,069 MW
Southwestern Electric Power Co	3	977 MW
Occidental Chemical Corporation	1	894 MW
Magnolia Power Holdings LLC	1	723 MW
Carville Energy LLC	1	555 MW
Lightsource Renewable Energy Asset Management, LLC	2	435 MW