COFFEEN
OperatingCoal power plant
- Capacity
- 1,005 MW
- Primary fuel
- Coal
- County
- Montgomery County
- Operator
- AMEREN ENERGY GENERATING CO
- Status
- Operating
- EIA plant ID
- 861
- Coordinates
- 39.0592, -89.4034
COFFEEN, a 1,005 MW Coal power plant in Montgomery County, Illinois. Operated by AMEREN ENERGY GENERATING CO.
Weather peril exposure
COFFEEN is a 1,005 MW coal power plant in Montgomery County, IL, operated by AMEREN ENERGY GENERATING CO. Montgomery County carries high modeled catastrophe exposure in the FEMA National Risk Index, scoring 3.7 of 5 at the 68th national percentile. Earthquake is the leading peril, rated Relatively Moderate by FEMA at the 91st percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a coal plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Montgomery County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Earthquake | Relatively Moderate | 91st | 4.6 of 5 | <0.01 |
| Strong wind | Relatively High | 79th | 4.1 of 5 | 5.8 |
| Hail | Relatively Moderate | 73rd | 3.9 of 5 | 4.0 |
| Tornado | Relatively Moderate | 71st | 3.8 of 5 | 0.69 |
| Winter weather | Relatively Low | 56th | 3.2 of 5 | 8.4 |
| Heat wave | Relatively Moderate | 54th | 3.2 of 5 | 9.4 |
| Lightning | Relatively Moderate | 45th | 2.8 of 5 | 49.0 |
| Riverine flooding | Relatively Low | 42nd | 2.7 of 5 | 0.75 |
| Ice storm | Relatively Low | 36th | 2.4 of 5 | 1.2 |
| Hurricane | Very Low | 30th | 2.2 of 5 | 0.02 |
| Wildfire | Very Low | 15th | 1.6 of 5 | <0.01 |
Perils not assessed in Montgomery 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 Montgomery 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.