SYLVAN
OperatingHydro power plant
- Capacity
- 2 MW
- Primary fuel
- Hydro
- County
- Cass County
- Operator
- MINNESOTA POWER INC
- Status
- Operating
- Commissioned
- 1913
- EIA plant ID
- 1900
- Coordinates
- 46.3049, -94.3778
SYLVAN, a 2 MW Hydro power plant in Cass County, Minnesota. Operated by MINNESOTA POWER INC, commissioned 1913.
Weather peril exposure
SYLVAN is a 2 MW hydro power plant in Cass County, MN, operated by MINNESOTA POWER INC, commissioned in 1913. Cass County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.4 of 5 at the 10th national percentile. Winter weather is the leading peril, rated Relatively Moderate by FEMA at the 78th 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.
Cass County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Winter weather | Relatively Moderate | 78th | 4.1 of 5 | 17.1 |
| Heat wave | Relatively Low | 76th | 4.1 of 5 | 1.2 |
| Lightning | Relatively Low | 72nd | 3.9 of 5 | 29.4 |
| Wildfire | Very Low | 44th | 2.7 of 5 | <0.01 |
| Riverine flooding | Relatively Low | 44th | 2.7 of 5 | 0.14 |
| Tornado | Relatively Low | 40th | 2.6 of 5 | 0.59 |
| Strong wind | Relatively Moderate | 31st | 2.2 of 5 | 1.6 |
| Ice storm | Very Low | 25th | 2.0 of 5 | 0.13 |
| Hail | Very Low | 24th | 1.9 of 5 | 2.5 |
| Earthquake | Very Low | 1st | 1.0 of 5 | <0.01 |
Perils not assessed in Cass 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 "Not Applicable" for this county |
| Coastal flooding | FEMA rating is "Not Applicable" for this county |
Model hail, wind and flood exposure for Cass 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.