CHALMETTE REFINING LLC
OperatingPower plant
- Capacity
- 6 MW
- County
- St. Bernard Parish
- Operator
- CHALMETTE REFINING LLC
- Status
- Operating
- Commissioned
- 1990
- EIA plant ID
- 50626
- Coordinates
- 29.9331, -89.9718
CHALMETTE REFINING LLC, a 6 MW power plant in St. Bernard Parish, Louisiana. Operated by CHALMETTE REFINING LLC, commissioned 1990.
Weather peril exposure
CHALMETTE REFINING LLC is a 6 MW power plant in St. Bernard Parish, LA, operated by CHALMETTE REFINING LLC, commissioned in 1990. St. Bernard Parish carries critical modeled catastrophe exposure in the FEMA National Risk Index, scoring 4.6 of 5 at the 91st national percentile. Hurricane is the leading peril, rated Relatively High by FEMA at the 99th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to this plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
St. Bernard Parish hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Hurricane | Relatively High | 99th | 5.0 of 5 | 0.24 |
| Heat wave | Relatively Low | 69th | 3.7 of 5 | 9.3 |
| Coastal flooding | Relatively Moderate | 57th | 3.3 of 5 | 4.2 |
| Wildfire | Very Low | 55th | 3.2 of 5 | <0.01 |
| Lightning | Relatively Moderate | 48th | 2.9 of 5 | 82.6 |
| Hail | Very Low | 43rd | 2.7 of 5 | 0.82 |
| Tornado | Relatively Low | 33rd | 2.3 of 5 | 1.2 |
| Earthquake | Very Low | 30th | 2.2 of 5 | <0.01 |
| Winter weather | Relatively Low | 30th | 2.2 of 5 | 0.25 |
| Ice storm | Very Low | 26th | 2.1 of 5 | 0.05 |
| Strong wind | Very Low | 12th | 1.5 of 5 | 0.84 |
| Riverine flooding | Very Low | 10th | 1.4 of 5 | 0.68 |
Model hail, wind and flood exposure for St. Bernard 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.