Willow Creek Wind Power LLC
Wind power plant · Butte County, South Dakota
Nameplate capacity
105 MW
Rank in South Dakota
#26
of 54 plants
In service since
2020
September 2020
Details
- Primary fuel
- Wind
- Technology
- Onshore Wind Turbine
- Operator
- Willow Creek Wind Power LLC
- County
- Butte County
- Generating units
- 1
- Share of state capacity
- 1.37%
- Rank among wind plants in South Dakota
- #14 of 25
- EIA plant code
- 62431
Generating units
| Unit | Technology | Nameplate | Summer | Online | Status |
|---|---|---|---|---|---|
| 1 | Onshore Wind Turbine | 105 MW | 104 MW | 2020 | Operating |
Nameplate is the maximum rated output; summer capacity is what the unit can reliably deliver on a hot day, which is typically lower.
Similarly sized plants in South Dakota
| Aberdeen CT | Natural gas | 111 MW |
| Ben French | Natural gas | 110 MW |
| Day County Wind LLC | Wind | 99 MW |
| Coyote Ridge | Wind | 97 MW |
About this data
From EIA’s inventory of operable generators, May 2026 release. Capacity is nameplate — the maximum rated output of the equipment, not what the plant actually generates over a year, which depends on how often it runs. A 105 MW solar plant and a 105 MW nuclear plant have the same entry here and produce very different amounts of electricity.
“In service since” is the earliest in-service date among the units still listed, so a site rebuilt around newer equipment can read as younger than the site itself. All South Dakota power plants · What South Dakota actually generates