Power plants in Ouachita Parish, Louisiana

6 operating power plants in Ouachita Parish, Louisiana, with 2,021 MW of nameplate capacity, largest first. From EIA-860M, August 2026.

Plants

6

Nameplate capacity

2,021 MW

Net generation, 2025

8.26 TWh

5 of 6 plants reported

Largest

Ouachita

904 MW

Largest power plants in Ouachita Parish

#PlantMW2025 net generation, GWhGWh, 2025Capacity factorOperator
1OuachitaNatural gas9043,94549.8%Entergy Louisiana LLC
2Perryville Power StationNatural gas8243,79152.5%Entergy Louisiana LLC
3Lafitte Solar, LLCSolar1008.1*–RWE Clean Energy
4Plant 31 Paper MillWood biomass and natural gas84515–Graphic Packaging International
5SterlingtonNatural gas590.0–Entergy Louisiana LLC
6Sterlington SolarSolar49––Entergy Louisiana LLC

* Fewer than 12 months of 2025 reported, so the total is partial.

MW is the nameplate capacity of operating generators and batteries. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources

More power plant lists for Louisiana

Other counties in Louisiana