TATANKA WIND POWER LLC
OperatingWind power plant
- Capacity
- 180 MW
- Primary fuel
- Wind
- County
- Dickey County
- Operator
- ACCIONA WIND ENERGY USA LLC
- Status
- Operating
- Commissioned
- 2008
- EIA plant ID
- 56669
- Generators
- 1
- Technology
- Onshore Wind Turbine
- Net generation (2024)
- 280 GWh
- Capacity factor (2024, EIA nameplate)
- 18%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 45.9371, -99.0059
TATANKA WIND POWER LLC, a 180 MW Wind power plant in Dickey County, North Dakota. Operated by ACCIONA WIND ENERGY USA LLC, commissioned 2008.
How TATANKA WIND POWER LLC compares
With 180 MW of capacity, TATANKA WIND POWER LLC ranks 7th among the 40 operating power plants Bywatts maps in North Dakota and is the largest of the 21 operating Wind plants in the state. It accounts for about 10% of North Dakota's operating Wind capacity and 2.8% of all operating capacity in the state. Nationally it is the 85th-largest of the 708 operating Wind plants in the database. Commissioned in 2008, it is newer than 50% of the 40 operating North Dakota plants with a recorded commissioning year. Its operator, ACCIONA WIND ENERGY USA LLC, runs 2 operating plants in North Dakota totaling 192 MW.
EIA-860 lists 1 generator at the site with 180 MW of nameplate capacity, all onshore wind turbine technology. Net generation was 280 GWh in 2024 (an 18% capacity factor), up 58% from 2022.
Grid neighborhood
The closest transmission line found within 10 miles is a 230 kV line owned by MONTANA-DAKOTA UTILITIES CO, about 0.1 miles away.
Computed by Bywatts from HIFLD power plant and transmission line records and EIA-860/923 survey data; distances are straight-line. Sources and methodology
Weather peril exposure
TATANKA WIND POWER LLC is a 180 MW wind power plant in Dickey County, ND, operated by ACCIONA WIND ENERGY USA LLC, commissioned in 2008. Dickey County carries critical modeled catastrophe exposure in the FEMA National Risk Index, scoring 4.3 of 5 at the 82nd national percentile. Winter weather is the leading peril, rated Relatively Moderate 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.
Dickey County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Winter weather | Relatively Moderate | 100th | 5.0 of 5 | 22.9 |
| Strong wind | Relatively Low | 89th | 4.6 of 5 | 2.2 |
| Ice storm | Relatively Low | 85th | 4.4 of 5 | 0.48 |
| Hail | Relatively Moderate | 85th | 4.4 of 5 | 3.6 |
| Heat wave | Very Low | 79th | 4.1 of 5 | 2.0 |
| Tornado | Very Low | 73rd | 3.9 of 5 | 0.53 |
| Wildfire | Very Low | 67th | 3.7 of 5 | <0.01 |
| Lightning | Very Low | 42nd | 2.7 of 5 | 31.3 |
| Earthquake | Very Low | 12th | 1.5 of 5 | <0.01 |
| Riverine flooding | Very Low | 6th | 1.2 of 5 | 0.46 |
Perils not assessed in Dickey 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 |
|---|---|
| Hurricane | FEMA rating is "Not Applicable" for this county |
| Coastal flooding | FEMA rating is "Not Applicable" for this county |
Model hail, wind and flood exposure for Dickey 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.