ELLSWORTH HYDRO STATION
OperatingHydro power plant
- Capacity
- 9 MW
- Primary fuel
- Hydro
- County
- Hancock County
- Operator
- BLACK BEAR HYDRO PARTNERS LLC
- Status
- Operating
- Commissioned
- 1924
- EIA plant ID
- 1469
- Coordinates
- 44.5445, -68.4299
ELLSWORTH HYDRO STATION, a 9 MW Hydro power plant in Hancock County, Maine. Operated by BLACK BEAR HYDRO PARTNERS LLC, commissioned 1924.
Weather peril exposure
ELLSWORTH HYDRO STATION is a 9 MW hydro power plant in Hancock County, ME, operated by BLACK BEAR HYDRO PARTNERS LLC, commissioned in 1924. Hancock County carries high modeled catastrophe exposure in the FEMA National Risk Index, scoring 3.5 of 5 at the 61st national percentile. Coastal flooding is the leading peril, rated Relatively Moderate by FEMA at the 99th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a hydro plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Hancock County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Coastal flooding | Relatively Moderate | 99th | 5.0 of 5 | 10.6 |
| Winter weather | Relatively High | 91st | 4.7 of 5 | 20.7 |
| Ice storm | Relatively High | 90th | 4.6 of 5 | 1.1 |
| Hurricane | Relatively Moderate | 88th | 4.5 of 5 | 0.10 |
| Earthquake | Very Low | 41st | 2.6 of 5 | <0.01 |
| Lightning | Relatively Moderate | 24th | 2.0 of 5 | 13.1 |
| Hail | Very Low | 23rd | 1.9 of 5 | 0.40 |
| Wildfire | Very Low | 12th | 1.5 of 5 | <0.01 |
| Tornado | Very Low | 8th | 1.3 of 5 | 0.03 |
| Riverine flooding | Relatively Low | 5th | 1.2 of 5 | 1.0 |
| Heat wave | Very Low | 2nd | 1.1 of 5 | 0.77 |
| Strong wind | Relatively Low | 1st | 1.1 of 5 | 0.67 |
Model hail, wind and flood exposure for Hancock 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.