DELLS
OperatingHydro power plant
- Capacity
- 12 MW
- Primary fuel
- Hydro
- County
- Eau Claire County
- Operator
- NORTHERN STATES POWER CO - MINNESOTA
- Status
- Operating
- Commissioned
- 1923
- EIA plant ID
- 4002
- Coordinates
- 44.8281, -91.5108
DELLS, a 12 MW Hydro power plant in Eau Claire County, Wisconsin. Operated by NORTHERN STATES POWER CO - MINNESOTA, commissioned 1923.
Weather peril exposure
DELLS is a 12 MW hydro power plant in Eau Claire County, WI, operated by NORTHERN STATES POWER CO - MINNESOTA, commissioned in 1923. Eau Claire County carries high modeled catastrophe exposure in the FEMA National Risk Index, scoring 3.9 of 5 at the 71st national percentile. Lightning is the leading peril, rated Relatively Moderate by FEMA at the 80th 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.
Eau Claire County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Lightning | Relatively Moderate | 80th | 4.2 of 5 | 34.1 |
| Hail | Relatively Moderate | 77th | 4.1 of 5 | 3.3 |
| Strong wind | Relatively High | 72nd | 3.9 of 5 | 2.7 |
| Heat wave | Relatively Low | 62nd | 3.5 of 5 | 2.8 |
| Tornado | Relatively Moderate | 60th | 3.4 of 5 | 0.27 |
| Riverine flooding | Relatively Moderate | 53rd | 3.1 of 5 | 0.64 |
| Winter weather | Relatively Moderate | 40th | 2.6 of 5 | 15.7 |
| Wildfire | Very Low | 26th | 2.0 of 5 | <0.01 |
| Ice storm | Relatively Moderate | 9th | 1.4 of 5 | 0.48 |
| Earthquake | Very Low | 1st | 1.0 of 5 | <0.01 |
Perils not assessed in Eau Claire 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 |
|---|---|
| Hurricane | FEMA rating is "No Rating" for this county |
| Coastal flooding | FEMA rating is "Not Applicable" for this county |
Model hail, wind and flood exposure for Eau Claire 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.