SUMPTER ENERGY ASSOCIATES
OperatingBiomass power plant
- Capacity
- 12 MW
- Primary fuel
- Biomass
- County
- Wayne County
- Operator
- LES PROJECT HOLDINGS LLC
- Status
- Operating
- Commissioned
- 1992
- EIA plant ID
- 54536
- Coordinates
- 42.1055, -83.4987
SUMPTER ENERGY ASSOCIATES, a 12 MW Biomass power plant in Wayne County, Michigan. Operated by LES PROJECT HOLDINGS LLC, commissioned 1992.
Weather peril exposure
SUMPTER ENERGY ASSOCIATES is a 12 MW biomass power plant in Wayne County, MI, operated by LES PROJECT HOLDINGS LLC, commissioned in 1992. Wayne County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.1 of 5 at the 2nd national percentile. Strong wind is the leading peril, rated Very High by FEMA at the 48th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a biomass plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Wayne County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Strong wind | Very High | 48th | 2.9 of 5 | 5.1 |
| Ice storm | Very High | 46th | 2.9 of 5 | 1.9 |
| Winter weather | Relatively High | 43rd | 2.7 of 5 | 10.2 |
| Earthquake | Relatively Moderate | 42nd | 2.7 of 5 | <0.01 |
| Tornado | Very High | 38th | 2.5 of 5 | 0.28 |
| Riverine flooding | Very High | 29th | 2.2 of 5 | 3.1 |
| Heat wave | Relatively High | 21st | 1.8 of 5 | 4.3 |
| Coastal flooding | Relatively Low | 17th | 1.7 of 5 | 0.01 |
| Hurricane | Very Low | 12th | 1.5 of 5 | 0.01 |
| Wildfire | Very Low | 7th | 1.3 of 5 | <0.01 |
| Lightning | Very High | 7th | 1.3 of 5 | 36.6 |
| Hail | Relatively Low | 5th | 1.2 of 5 | 2.8 |
Model hail, wind and flood exposure for Wayne 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.