Willow Creek Wind Power LLC
Willow Creek Wind Power LLC is a 105 MW wind farm in Butte County, South Dakota, operated by Willow Creek Wind Power LLC. EIA-860M lists 1 generating unit here, inside SPP. Its unit entered service in 2020.
As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m
- Nameplate capacity
- 105 MW
- 103.5 MW net summer
- Generating units
- 1
- In service
- 2020
- EIA plant ID
- 62431
Where it is
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- County
- Butte County, South Dakota
- Coordinates
- 44.8259, -103.2074
- Balancing authority
- SWPP
- Sector
- IPP Non-CHP
Units, technology and status
- Operator of record
- Willow Creek Wind Power LLC
- Primary energy source
- Wind
- Technologies
- Onshore Wind Turbine
- Status
- Operating
Willow Creek Wind Power LLC: FAQ
- Where is Willow Creek Wind Power LLC?
- In Butte County, South Dakota (SD). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
- How big is Willow Creek Wind Power LLC?
- 105 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
- Who owns Willow Creek Wind Power LLC?
- EIA-860M names Willow Creek Wind Power LLC as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
- Is Willow Creek Wind Power LLC still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.