MEPI GT FACILITY
Retired 2022Natural Gas power plant
- Capacity
- 302 MW
- Primary fuel
- Natural Gas
- County
- Massac County
- Operator
- MIDWEST ELECTRIC POWER INC
- EIA plant ID
- 7858
- Coordinates
- 37.2180, -88.8662
MEPI GT FACILITY, a retired 302 MW Natural Gas power plant in Massac County, Illinois. It was retired in 2022, according to EIA-860.
How MEPI GT FACILITY compares
It was retired in 2022 according to EIA-860, so it is not counted in Illinois's operating fleet.
Grid neighborhood
The nearest named substation is SHAWNEE (500 kV), about 6.7 miles away; the closest transmission line found within 10 miles is a 161 kV line owned by AMEREN ILLINOIS COMPANY, under 0.1 miles away. Another 2 operating power plants totaling 1,870 MW sit within 25 miles; the largest is SHAWNEE (1,750 MW, Coal).
Computed by Bywatts from HIFLD power plant, substation and transmission line records and EIA-860 retirement records; distances are straight-line. Sources and methodology
Weather peril exposure
MEPI GT FACILITY is a retired 302 MW natural gas power plant in Massac County, IL, formerly operated by MIDWEST ELECTRIC POWER 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 natural gas 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.