GERALD ANDRUS
OperatingNatural Gas power plant
- Capacity
- 781 MW
- Primary fuel
- Natural Gas
- County
- Washington County
- Operator
- ENTERGY MISSISSIPPI INC
- Status
- Operating
- Commissioned
- 1975
- EIA plant ID
- 8054
- Coordinates
- 33.3501, -91.1189
GERALD ANDRUS, a 781 MW Natural Gas power plant in Washington County, Mississippi. Operated by ENTERGY MISSISSIPPI INC, commissioned 1975.
Weather peril exposure
GERALD ANDRUS is a 781 MW natural gas power plant in Washington County, MS, operated by ENTERGY MISSISSIPPI INC, commissioned in 1975. Washington County carries high modeled catastrophe exposure in the FEMA National Risk Index, scoring 4.1 of 5 at the 77th national percentile. Earthquake is the leading peril, rated Relatively Moderate by FEMA at the 88th 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.
Washington County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Earthquake | Relatively Moderate | 88th | 4.5 of 5 | <0.01 |
| Hail | Relatively Moderate | 81st | 4.2 of 5 | 3.1 |
| Ice storm | Relatively Moderate | 78th | 4.1 of 5 | 0.87 |
| Lightning | Relatively Moderate | 73rd | 3.9 of 5 | 63.5 |
| Riverine flooding | Relatively Moderate | 71st | 3.9 of 5 | 1.9 |
| Tornado | Relatively High | 63rd | 3.5 of 5 | 0.67 |
| Hurricane | Relatively Low | 61st | 3.4 of 5 | 0.05 |
| Heat wave | Relatively Moderate | 56th | 3.3 of 5 | 18.7 |
| Strong wind | Relatively Moderate | 54th | 3.1 of 5 | 2.4 |
| Winter weather | Very Low | 40th | 2.6 of 5 | 3.3 |
| Wildfire | Very Low | 17th | 1.7 of 5 | <0.01 |
Perils not assessed in Washington County
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 Washington County 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.