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
- Generators
- 2
- Technology
- Conventional Hydroelectric
- Net generation (2024)
- 109 GWh
- Capacity factor (2024, EIA nameplate)
- 12%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 34.1388, -94.6845
BROKEN BOW, a 100 MW Hydro power plant in McCurtain County, Oklahoma. Operated by USCE-TULSA DISTRICT, commissioned 1970.
How BROKEN BOW compares
With 100 MW of capacity, BROKEN BOW ranks 47th among the 73 operating power plants Bywatts maps in Oklahoma and 5th of the 11 operating Hydro plants in the state. It accounts for about 9.1% of Oklahoma's operating Hydro capacity and 0.4% of all operating capacity in the state. Nationally it is the 179th-largest of the 1,243 operating Hydro plants in the database. Commissioned in 1970, it is older than 70% of the 72 operating Oklahoma plants with a recorded commissioning year. Its operator, USCE-TULSA DISTRICT, runs 7 operating plants in Oklahoma totaling 514 MW. It shares McCurtain County with one other operating plant, INTERNATIONAL PAPER VALLIANT OK.
EIA-860 lists 2 generators at the site with 100 MW of nameplate capacity, all conventional hydroelectric technology. Net generation was 109 GWh in 2024 (a 12% capacity factor), down 4% from 2022.
Grid neighborhood
The nearest named substation is BROKEN BOW (138 kV), under 0.1 miles away; the closest transmission line found within 10 miles is a 138 kV line owned by PUBLIC SERVICE CO OF OKLAHOMA, under 0.1 miles away.
Computed by Bywatts from HIFLD power plant, substation and transmission line records and EIA-860/923 survey data; distances are straight-line. Sources and methodology
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.