BOULDER
OperatingHydro power plant
- Capacity
- 4 MW
- Primary fuel
- Hydro
- County
- Garfield County
- Operator
- GARKANE ENERGY COOP, INC
- Status
- Operating
- Commissioned
- 1958
- EIA plant ID
- 3699
- Coordinates
- 37.9859, -111.4384
BOULDER, a 4 MW Hydro power plant in Garfield County, Utah. Operated by GARKANE ENERGY COOP, INC, commissioned 1958.
Weather peril exposure
BOULDER is a 4 MW hydro power plant in Garfield County, UT, operated by GARKANE ENERGY COOP, INC, commissioned in 1958. Garfield County carries low modeled catastrophe exposure in the FEMA National Risk Index, scoring 1.0 of 5 at the 1st national percentile. Winter weather is the leading peril, rated Relatively High by FEMA at the 91st 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.
Garfield County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Winter weather | Relatively High | 91st | 4.6 of 5 | 18.1 |
| Earthquake | Relatively Low | 86th | 4.5 of 5 | 0.01 |
| Wildfire | Relatively Low | 77th | 4.1 of 5 | <0.01 |
| Riverine flooding | Relatively Low | 55th | 3.2 of 5 | 3.6 |
| Heat wave | Relatively Moderate | 13th | 1.5 of 5 | 1.4 |
| Lightning | Relatively High | 12th | 1.5 of 5 | 45.3 |
| Strong wind | Very Low | 7th | 1.3 of 5 | 0.08 |
| Hail | Very Low | 6th | 1.2 of 5 | 0.07 |
| Tornado | Very Low | 3rd | 1.1 of 5 | 0.06 |
| Ice storm | Very Low | 1st | 1.0 of 5 | 0.01 |
Perils not assessed in Garfield 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 Garfield 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.