BROKEN BOW
OperatingHydro power plant
- Capacity
- 100 MW
- Primary fuel
- Hydro
- County
- McCurtain County
- Operator
- USCE-TULSA DISTRICT
- Status
- Operating
- Commissioned
- 1970
- EIA plant ID
- 6415
- Coordinates
- 34.1388, -94.6845
BROKEN BOW, a 100 MW Hydro power plant in McCurtain County, Oklahoma. Operated by USCE-TULSA DISTRICT, commissioned 1970.
Weather peril exposure
BROKEN BOW is a 100 MW hydro power plant in McCurtain County, OK, operated by USCE-TULSA DISTRICT, commissioned in 1970. McCurtain County carries critical modeled catastrophe exposure in the FEMA National Risk Index, scoring 4.4 of 5 at the 86th 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.
McCurtain County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Ice storm | Relatively High | 96th | 4.8 of 5 | 1.1 |
| Hail | Relatively Moderate | 87th | 4.5 of 5 | 4.9 |
| Winter weather | Relatively Low | 78th | 4.1 of 5 | 4.4 |
| Heat wave | Relatively Moderate | 77th | 4.1 of 5 | 18.4 |
| Wildfire | Relatively Low | 76th | 4.0 of 5 | <0.01 |
| Tornado | Relatively Moderate | 71st | 3.8 of 5 | 1.2 |
| Lightning | Relatively Moderate | 71st | 3.8 of 5 | 64.1 |
| Riverine flooding | Relatively Moderate | 67th | 3.7 of 5 | 2.1 |
| Earthquake | Relatively Low | 66th | 3.6 of 5 | <0.01 |
| Hurricane | Very Low | 50th | 3.0 of 5 | 0.01 |
| Strong wind | Relatively High | 38th | 2.5 of 5 | 3.4 |
Perils not assessed in McCurtain 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 McCurtain 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.