CENTENNIAL WIND FARM
OperatingWind power plant
- Capacity
- 120 MW
- Primary fuel
- Wind
- County
- Harper County
- Operator
- OKLAHOMA GAS & ELECTRIC CO
- Status
- Operating
- Commissioned
- 2006
- EIA plant ID
- 56380
- Coordinates
- 36.6392, -99.6031
CENTENNIAL WIND FARM, a 120 MW Wind power plant in Harper County, Oklahoma. Operated by OKLAHOMA GAS & ELECTRIC CO, commissioned 2006.
Weather peril exposure
CENTENNIAL WIND FARM is a 120 MW wind power plant in Harper County, OK, operated by OKLAHOMA GAS & ELECTRIC CO, commissioned in 2006. Harper County carries critical modeled catastrophe exposure in the FEMA National Risk Index, scoring 4.9 of 5 at the 96th national percentile. Ice storm is the leading peril, rated Very High by FEMA at the 100th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a wind plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Harper County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Ice storm | Very High | 100th | 5.0 of 5 | 0.61 |
| Strong wind | Relatively Low | 94th | 4.8 of 5 | 3.8 |
| Wildfire | Relatively Low | 93rd | 4.7 of 5 | 0.01 |
| Hail | Relatively Low | 92nd | 4.7 of 5 | 8.7 |
| Heat wave | Very Low | 92nd | 4.7 of 5 | 5.6 |
| Winter weather | Very Low | 83rd | 4.3 of 5 | 9.9 |
| Lightning | Very Low | 77th | 4.1 of 5 | 47.6 |
| Tornado | Relatively Low | 59th | 3.3 of 5 | 0.81 |
| Riverine flooding | Very Low | 54th | 3.2 of 5 | 0.29 |
| Earthquake | Very Low | 34th | 2.4 of 5 | <0.01 |
| Hurricane | Very Low | 24th | 1.9 of 5 | <0.01 |
Perils not assessed in Harper 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 Harper 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.