OUACHITA
OperatingNatural Gas power plant
- Capacity
- 904 MW
- Primary fuel
- Natural Gas
- County
- Ouachita Parish
- Operator
- ENTERGY LOUISIANA INC
- Status
- Operating
- Commissioned
- 2002
- EIA plant ID
- 55467
- Generators
- 6
- Technology
- Natural Gas Fired Combined Cycle
- Net generation (2024)
- 4,898 GWh
- Capacity factor (2024, EIA nameplate)
- 62%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 32.7064, -92.0684
OUACHITA, a 904 MW Natural Gas power plant in Ouachita Parish, Louisiana. Operated by ENTERGY LOUISIANA INC, commissioned 2002.
How OUACHITA compares
With 904 MW of capacity, OUACHITA ranks 12th among the 72 operating power plants Bywatts maps in Louisiana and 7th of the 41 operating Natural Gas plants in the state. It accounts for about 5.8% of Louisiana's operating Natural Gas capacity and 3.7% of all operating capacity in the state. Nationally it is the 118th-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 2002, it is newer than 68% of the 72 operating Louisiana plants with a recorded commissioning year. Its operator, ENTERGY LOUISIANA INC, runs 7 operating plants in Louisiana totaling 7,130 MW. It shares Ouachita Parish with 3 other operating plants, including PERRYVILLE POWER STATION and STERLINGTON.
EIA-860 lists 6 generators at the site with 904 MW of nameplate capacity, all natural gas fired combined cycle technology. Net generation was 4,898 GWh in 2024 (a 62% capacity factor), up 16% from 2022.
Grid neighborhood
The closest transmission line found within 10 miles is a 500 kV line owned by ENTERGY LOUISIANA INC, under 0.1 miles away. Another 3 operating power plants totaling 928 MW sit within 25 miles; the largest is PERRYVILLE POWER STATION (824 MW, Natural Gas).
Computed by Bywatts from HIFLD power plant and transmission line records and EIA-860/923 survey data; distances are straight-line. Sources and methodology
Weather peril exposure
OUACHITA is a 904 MW natural gas power plant in Ouachita Parish, LA, operated by ENTERGY LOUISIANA INC, commissioned in 2002. Ouachita Parish carries elevated modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.8 of 5 at the 45th national percentile. Ice storm is the leading peril, rated Very High by FEMA at the 86th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a natural gas plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Ouachita Parish hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Ice storm | Very High | 86th | 4.5 of 5 | 1.2 |
| Lightning | Relatively High | 80th | 4.2 of 5 | 67.9 |
| Earthquake | Relatively Low | 76th | 4.0 of 5 | <0.01 |
| Hurricane | Relatively Low | 65th | 3.6 of 5 | 0.05 |
| Heat wave | Relatively High | 59th | 3.4 of 5 | 21.1 |
| Strong wind | Relatively High | 59th | 3.3 of 5 | 3.6 |
| Hail | Relatively Moderate | 56th | 3.2 of 5 | 3.3 |
| Winter weather | Relatively Low | 44th | 2.8 of 5 | 2.9 |
| Tornado | Relatively High | 37th | 2.5 of 5 | 0.49 |
| Wildfire | Very Low | 30th | 2.2 of 5 | <0.01 |
| Riverine flooding | Relatively Moderate | 16th | 1.7 of 5 | 1.9 |
Perils not assessed in Ouachita Parish
These perils carry no usable National Risk Index figure for this county, so they are excluded from the scoring rather than scored zero. A zero would claim the peril was assessed and found benign.
| Peril | Why it is not scored |
|---|---|
| Coastal flooding | FEMA rating is "Not Applicable" for this county |
Model hail, wind and flood exposure for Ouachita Parish in the weather risk calculator
Ratings are the FEMA National Risk Index county hazard ratings; the peril score is a Bywatts transform of the FEMA national percentile. Full data sources and the solar vulnerability methodology are in the weather risk calculator.
Modeled estimate for screening and negotiation. Built from FEMA National Risk Index county hazard data and a solar vulnerability layer documented above. Not a quote, a binder, or actuarial advice, and not a substitute for a carrier's own model. Hazard data: FEMA National Risk Index December 2025, synced 2026-07-24. Resolution is county level, not site level.