Buffalo Ridge II LLC
Buffalo Ridge II LLC is a 210 MW wind farm in Brookings County, South Dakota, operated by Avangrid Power LLC. EIA-860M lists 1 generating unit here, inside MISO. Its unit entered service in 2010.
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
- 210 MW
- 210 MW net summer
- Generating units
- 1
- In service
- 2010
- EIA plant ID
- 57424
Where it is
Loading map…
- County
- Brookings County, South Dakota
- Coordinates
- 44.5281, -96.6267
- Balancing authority
- MISO
- Sector
- IPP Non-CHP
Units, technology and status
- Operator of record
- Avangrid Power LLC
- Primary energy source
- Wind
- Technologies
- Onshore Wind Turbine
- Status
- Operating
Buffalo Ridge II LLC: FAQ
- Where is Buffalo Ridge II LLC?
- In Brookings 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 Buffalo Ridge II LLC?
- 210 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
- Who owns Buffalo Ridge II LLC?
- EIA-860M names Avangrid Power LLC as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
- Is Buffalo Ridge II LLC still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.