SEMASS RESOURCE RECOVERY
OperatingBiomass power plant
- Capacity
- 99 MW
- Primary fuel
- Biomass
- County
- Plymouth County
- Operator
- SEMASS PARTNERSHIP
- Status
- Operating
- Commissioned
- 1988
- EIA plant ID
- 50290
- Coordinates
- 41.8023, -70.7880
SEMASS RESOURCE RECOVERY, a 99 MW Biomass power plant in Plymouth County, Massachusetts. Operated by SEMASS PARTNERSHIP, commissioned 1988.
Weather peril exposure
SEMASS RESOURCE RECOVERY is a 99 MW biomass power plant in Plymouth County, MA, operated by SEMASS PARTNERSHIP, commissioned in 1988. Plymouth County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.8 of 5 at the 19th national percentile. Coastal flooding is the leading peril, rated Very High by FEMA at the 91st 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.
Plymouth County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Coastal flooding | Very High | 91st | 4.6 of 5 | 7.1 |
| Hurricane | Relatively Moderate | 77th | 4.1 of 5 | 0.17 |
| Earthquake | Relatively Low | 58th | 3.3 of 5 | <0.01 |
| Ice storm | Relatively High | 44th | 2.8 of 5 | 0.62 |
| Strong wind | Relatively High | 31st | 2.2 of 5 | 0.66 |
| Wildfire | Very Low | 24th | 1.9 of 5 | <0.01 |
| Riverine flooding | Relatively Moderate | 22nd | 1.9 of 5 | 2.3 |
| Tornado | Relatively Low | 16th | 1.6 of 5 | 0.14 |
| Lightning | Relatively High | 15th | 1.6 of 5 | 18.7 |
| Winter weather | Relatively Low | 14th | 1.6 of 5 | 11.1 |
| Heat wave | Relatively Moderate | 7th | 1.3 of 5 | 5.1 |
| Hail | Very Low | 3rd | 1.1 of 5 | 1.3 |
Model hail, wind and flood exposure for Plymouth 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.