CLARK
OperatingOil power plant
- Capacity
- 3 MW
- Primary fuel
- Oil
- County
- Clark County
- Operator
- NORTHWESTERN ENERGY - (SD)
- Status
- Operating
- Commissioned
- 1970
- EIA plant ID
- 3341
- Coordinates
- 44.8783, -97.7286
CLARK, a 3 MW Oil power plant in Clark County, South Dakota. Operated by NORTHWESTERN ENERGY - (SD), commissioned 1970.
Weather peril exposure
CLARK is a 3 MW oil power plant in Clark County, SD, operated by NORTHWESTERN ENERGY - (SD), commissioned in 1970. Clark County carries elevated modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.9 of 5 at the 49th national percentile. Tornado is the leading peril, rated Very Low by FEMA at the 77th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to an oil plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Clark County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Tornado | Very Low | 77th | 4.1 of 5 | 0.54 |
| Ice storm | Relatively Low | 73rd | 3.9 of 5 | 0.49 |
| Wildfire | Very Low | 73rd | 3.9 of 5 | <0.01 |
| Heat wave | Very Low | 72nd | 3.9 of 5 | 3.2 |
| Strong wind | Very Low | 64th | 3.6 of 5 | 3.1 |
| Winter weather | Relatively Low | 61st | 3.4 of 5 | 22.0 |
| Hail | Relatively Low | 57th | 3.3 of 5 | 4.3 |
| Riverine flooding | Very Low | 41st | 2.6 of 5 | 0.75 |
| Lightning | Very Low | 38th | 2.5 of 5 | 33.6 |
| Earthquake | Very Low | 15th | 1.6 of 5 | <0.01 |
Perils not assessed in Clark 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 Clark 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.