JOLIET 29
OperatingCoal power plant
- Capacity
- 1,320 MW
- Primary fuel
- Coal
- County
- Will County
- Operator
- MIDWEST GENERATIONS EME LLC
- Status
- Operating
- EIA plant ID
- 384
- Coordinates
- 41.4946, -88.1238
JOLIET 29, a 1,320 MW Coal power plant in Will County, Illinois. Operated by MIDWEST GENERATIONS EME LLC.
Weather peril exposure
JOLIET 29 is a 1,320 MW coal power plant in Will County, IL, operated by MIDWEST GENERATIONS EME LLC. Will County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.3 of 5 at the 7th national percentile. Heat wave is the leading peril, rated Relatively Moderate by FEMA at the 83rd 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.
Will County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Heat wave | Relatively Moderate | 83rd | 4.3 of 5 | 3.6 |
| Tornado | Very High | 65th | 3.6 of 5 | 0.62 |
| Riverine flooding | Relatively High | 58th | 3.3 of 5 | 3.0 |
| Earthquake | Relatively Moderate | 51st | 3.0 of 5 | <0.01 |
| Wildfire | Very Low | 36th | 2.5 of 5 | <0.01 |
| Ice storm | Relatively Moderate | 26th | 2.0 of 5 | 0.93 |
| Winter weather | Relatively High | 20th | 1.8 of 5 | 14.4 |
| Hail | Relatively Low | 16th | 1.6 of 5 | 3.9 |
| Lightning | Relatively High | 10th | 1.4 of 5 | 44.6 |
| Strong wind | Relatively Low | 6th | 1.2 of 5 | 5.6 |
| Hurricane | Very Low | 1st | 1.0 of 5 | <0.01 |
Perils not assessed in Will 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 Will 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.