HIGHMORE
OperatingOil power plant
- Capacity
- 5 MW
- Primary fuel
- Oil
- County
- Hyde County
- Operator
- NORTHWESTERN ENERGY - (SD)
- Status
- Operating
- EIA plant ID
- 3343
- Coordinates
- 44.5222, -99.4414
HIGHMORE, a 5 MW Oil power plant in Hyde County, South Dakota. Operated by NORTHWESTERN ENERGY - (SD).
Weather peril exposure
HIGHMORE is a 5 MW oil power plant in Hyde County, SD, operated by NORTHWESTERN ENERGY - (SD). Hyde County carries moderate modeled catastrophe exposure in the FEMA National Risk Index, scoring 2.1 of 5 at the 27th national percentile. Wildfire is the leading peril, rated Relatively Low by FEMA at the 91st 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.
Hyde County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Wildfire | Relatively Low | 91st | 4.7 of 5 | <0.01 |
| Riverine flooding | Very Low | 83rd | 4.3 of 5 | 0.71 |
| Heat wave | Very Low | 78th | 4.1 of 5 | 4.2 |
| Ice storm | Relatively Low | 75th | 4.0 of 5 | 0.51 |
| Strong wind | Very Low | 64th | 3.6 of 5 | 2.7 |
| Tornado | Very Low | 53rd | 3.1 of 5 | 0.31 |
| Winter weather | Relatively Low | 51st | 3.0 of 5 | 17.3 |
| Lightning | Very Low | 38th | 2.5 of 5 | 33.7 |
| Hail | Very Low | 32nd | 2.3 of 5 | 3.8 |
| Earthquake | Very Low | 22nd | 1.9 of 5 | <0.01 |
Perils not assessed in Hyde 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 Hyde 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.