DEERFIELD 5
OperatingHydro power plant
- Capacity
- 18 MW
- Primary fuel
- Hydro
- County
- Berkshire County
- Operator
- TRANSCANADA HYDRO NORTHEAST INC.
- Status
- Operating
- Commissioned
- 1974
- EIA plant ID
- 1620
- Coordinates
- 42.6912, -72.9561
DEERFIELD 5, an 18 MW Hydro power plant in Berkshire County, Massachusetts. Operated by TRANSCANADA HYDRO NORTHEAST INC., commissioned 1974.
Weather peril exposure
DEERFIELD 5 is an 18 MW hydro power plant in Berkshire County, MA, operated by TRANSCANADA HYDRO NORTHEAST INC., commissioned in 1974. Berkshire County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.4 of 5 at the 10th national percentile. Riverine flooding is the leading peril, rated Relatively Moderate by FEMA at the 87th 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.
Berkshire County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Riverine flooding | Relatively Moderate | 87th | 4.5 of 5 | 2.6 |
| Hurricane | Relatively Moderate | 78th | 4.1 of 5 | 0.08 |
| Ice storm | Relatively Moderate | 57th | 3.3 of 5 | 1.2 |
| Earthquake | Relatively Low | 47th | 2.9 of 5 | <0.01 |
| Winter weather | Relatively Low | 45th | 2.8 of 5 | 21.8 |
| Lightning | Relatively Moderate | 36th | 2.4 of 5 | 26.3 |
| Tornado | Relatively Low | 27th | 2.1 of 5 | 0.27 |
| Wildfire | Very Low | 17th | 1.7 of 5 | <0.01 |
| Strong wind | Relatively Moderate | 9th | 1.4 of 5 | 1.8 |
| Hail | Relatively Low | 8th | 1.3 of 5 | 3.1 |
| Heat wave | Very Low | 4th | 1.2 of 5 | 1.7 |
Perils not assessed in Berkshire 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 Berkshire 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.