ESSEX
OperatingNatural Gas power plant
- Capacity
- 121 MW
- Primary fuel
- Natural Gas
- County
- Stoddard County
- Operator
- ASSOCIATED ELECTRIC COOP, INC
- Status
- Operating
- Commissioned
- 1999
- EIA plant ID
- 7749
- Coordinates
- 36.8684, -89.8394
ESSEX, a 121 MW Natural Gas power plant in Stoddard County, Missouri. Operated by ASSOCIATED ELECTRIC COOP, INC, commissioned 1999.
Weather peril exposure
ESSEX is a 121 MW natural gas power plant in Stoddard County, MO, operated by ASSOCIATED ELECTRIC COOP, INC, commissioned in 1999. Stoddard County carries elevated modeled catastrophe exposure in the FEMA National Risk Index, scoring 3.1 of 5 at the 52nd national percentile. Earthquake is the leading peril, rated Relatively Moderate by FEMA at the 98th 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.
Stoddard County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Earthquake | Relatively Moderate | 98th | 4.9 of 5 | 0.01 |
| Tornado | Relatively Moderate | 96th | 4.8 of 5 | 0.68 |
| Ice storm | Relatively High | 92nd | 4.7 of 5 | 1.3 |
| Winter weather | Relatively Moderate | 90th | 4.6 of 5 | 6.9 |
| Strong wind | Relatively Moderate | 88th | 4.5 of 5 | 2.8 |
| Heat wave | Relatively Moderate | 82nd | 4.3 of 5 | 11.6 |
| Hail | Relatively Low | 49th | 3.0 of 5 | 3.0 |
| Hurricane | Very Low | 41st | 2.6 of 5 | 0.01 |
| Lightning | Relatively Moderate | 41st | 2.6 of 5 | 56.7 |
| Wildfire | Very Low | 22nd | 1.9 of 5 | <0.01 |
| Riverine flooding | Relatively Low | 18th | 1.7 of 5 | 1.8 |
Perils not assessed in Stoddard 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 Stoddard 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.