WHILLOCK
OperatingHydro power plant
- Capacity
- 32 MW
- Primary fuel
- Hydro
- County
- Conway County
- Operator
- ARKANSAS ELECTRIC COOP CORP
- Status
- Operating
- Commissioned
- 1993
- EIA plant ID
- 7135
- Coordinates
- 35.1276, -92.7903
WHILLOCK, a 32 MW Hydro power plant in Conway County, Arkansas. Operated by ARKANSAS ELECTRIC COOP CORP, commissioned 1993.
Weather peril exposure
WHILLOCK is a 32 MW hydro power plant in Conway County, AR, operated by ARKANSAS ELECTRIC COOP CORP, commissioned in 1993. Conway County carries elevated modeled catastrophe exposure in the FEMA National Risk Index, scoring 3.1 of 5 at the 52nd national percentile. Lightning is the leading peril, rated Relatively Moderate by FEMA at the 97th 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.
Conway County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Lightning | Relatively Moderate | 97th | 4.9 of 5 | 61.1 |
| Ice storm | Relatively High | 97th | 4.9 of 5 | 1.3 |
| Tornado | Relatively Moderate | 96th | 4.9 of 5 | 0.43 |
| Earthquake | Relatively Low | 89th | 4.6 of 5 | <0.01 |
| Strong wind | Relatively Moderate | 84th | 4.4 of 5 | 3.5 |
| Winter weather | Relatively Moderate | 81st | 4.3 of 5 | 5.7 |
| Wildfire | Relatively Low | 72nd | 3.9 of 5 | <0.01 |
| Heat wave | Relatively Low | 58th | 3.3 of 5 | 17.2 |
| Hurricane | Very Low | 48th | 2.9 of 5 | 0.02 |
| Hail | Relatively Low | 47th | 2.9 of 5 | 5.4 |
| Riverine flooding | Relatively Low | 34th | 2.4 of 5 | 1.8 |
Perils not assessed in Conway 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 Conway 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.