SHEPAUG
OperatingHydro power plant
- Capacity
- 37 MW
- Primary fuel
- Hydro
- County
- Naugatuck Valley Planning Region
- Operator
- FIRSTLIGHT POWER RESOURCES SERVICES LLC
- Status
- Operating
- Commissioned
- 1955
- EIA plant ID
- 552
- Coordinates
- 41.4484, -73.2953
SHEPAUG, a 37 MW Hydro power plant in Naugatuck Valley Planning Region, Connecticut. Operated by FIRSTLIGHT POWER RESOURCES SERVICES LLC, commissioned 1955.
Weather peril exposure
SHEPAUG is a 37 MW hydro power plant in Naugatuck Valley Planning Region, CT, operated by FIRSTLIGHT POWER RESOURCES SERVICES LLC, commissioned in 1955. Naugatuck Valley Planning Region carries moderate modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.9 of 5 at the 23rd national percentile. Hurricane is the leading peril, rated Relatively High by FEMA at the 85th 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.
Naugatuck Valley Planning Region hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Hurricane | Relatively High | 85th | 4.4 of 5 | 0.15 |
| Riverine flooding | Relatively High | 79th | 4.2 of 5 | 3.5 |
| Ice storm | Relatively High | 69th | 3.8 of 5 | 2.2 |
| Earthquake | Relatively Low | 54th | 3.1 of 5 | <0.01 |
| Wildfire | Very Low | 31st | 2.3 of 5 | <0.01 |
| Winter weather | Relatively High | 29th | 2.2 of 5 | 15.1 |
| Tornado | Relatively Moderate | 23rd | 1.9 of 5 | 0.13 |
| Coastal flooding | Very Low | 22nd | 1.9 of 5 | 6.2 |
| Strong wind | Relatively High | 20th | 1.8 of 5 | 3.7 |
| Hail | Relatively Low | 10th | 1.4 of 5 | 2.5 |
| Lightning | Relatively High | 8th | 1.3 of 5 | 27.3 |
| Heat wave | Relatively Moderate | 8th | 1.3 of 5 | 5.5 |
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.