JOPPA STEAM
OperatingCoal power plant
- Capacity
- 1,100 MW
- Primary fuel
- Coal
- County
- Massac County
- Operator
- ELECTRIC ENERGY INC
- Status
- Operating
- EIA plant ID
- 887
- Coordinates
- 37.2097, -88.8590
JOPPA STEAM, a 1,100 MW Coal power plant in Massac County, Illinois. Operated by ELECTRIC ENERGY INC. One of 242 power plants tracked in Illinois on Bywatts.
Weather peril exposure
JOPPA STEAM is a 1,100 MW coal power plant in Massac County, IL, operated by ELECTRIC ENERGY INC. Massac County carries high modeled catastrophe exposure in the FEMA National Risk Index, scoring 3.5 of 5 at the 64th 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 coal plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Massac County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Earthquake | Relatively Moderate | 98th | 4.9 of 5 | 0.01 |
| Strong wind | Relatively Moderate | 92nd | 4.7 of 5 | 4.0 |
| Ice storm | Relatively Moderate | 92nd | 4.7 of 5 | 1.2 |
| Winter weather | Relatively Moderate | 87th | 4.5 of 5 | 6.6 |
| Tornado | Relatively Moderate | 86th | 4.4 of 5 | 0.21 |
| Riverine flooding | Relatively Low | 78th | 4.1 of 5 | 4.2 |
| Hail | Relatively Low | 63rd | 3.5 of 5 | 3.0 |
| Lightning | Relatively Low | 45th | 2.8 of 5 | 55.7 |
| Wildfire | Very Low | 33rd | 2.3 of 5 | <0.01 |
| Hurricane | Very Low | 32nd | 2.3 of 5 | 0.02 |
| Heat wave | Relatively Low | 25th | 2.0 of 5 | 10.6 |
Perils not assessed in Massac 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 Massac 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.