DEGRAY
OperatingHydro power plant
- Capacity
- 68 MW
- Primary fuel
- Hydro
- County
- Clark County
- Operator
- USCE -VICKBURG DISTRICT
- Status
- Operating
- Commissioned
- 1972
- EIA plant ID
- 187
- Coordinates
- 34.2119, -93.1110
DEGRAY, a 68 MW Hydro power plant in Clark County, Arkansas. Operated by USCE -VICKBURG DISTRICT, commissioned 1972.
Weather peril exposure
DEGRAY is a 68 MW hydro power plant in Clark County, AR, operated by USCE -VICKBURG DISTRICT, commissioned in 1972. Clark County carries critical modeled catastrophe exposure in the FEMA National Risk Index, scoring 4.4 of 5 at the 84th national percentile. Ice storm is the leading peril, rated Relatively High by FEMA at the 96th 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.
Clark County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Ice storm | Relatively High | 96th | 4.9 of 5 | 0.89 |
| Lightning | Relatively High | 88th | 4.5 of 5 | 64.7 |
| Hail | Relatively Low | 86th | 4.4 of 5 | 4.8 |
| Strong wind | Relatively Moderate | 84th | 4.4 of 5 | 3.5 |
| Earthquake | Relatively Low | 83rd | 4.3 of 5 | <0.01 |
| Tornado | Relatively Moderate | 79th | 4.2 of 5 | 0.52 |
| Winter weather | Relatively Low | 77th | 4.1 of 5 | 3.9 |
| Heat wave | Relatively Low | 56th | 3.2 of 5 | 18.5 |
| Hurricane | Very Low | 54th | 3.2 of 5 | 0.03 |
| Riverine flooding | Relatively Low | 51st | 3.0 of 5 | 3.4 |
| Wildfire | Very Low | 40th | 2.6 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 |
|---|---|
| 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.