United States › Power plants › Hydroelectric plants › South Dakota
HYDROELECTRIC PLANTSBig Bend Dam
Big Bend Dam is a 538 MW operating hydroelectric plant in Buffalo County, South Dakota, operated by USACE-Omaha.
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Generators
Each generating unit EIA lists at this plant.
| Unit | Technology | Capacity | Status |
|---|---|---|---|
| 1 | Conventional Hydroelectric | 67 MW | |
| 2 | Conventional Hydroelectric | 67 MW | |
| 4 | Conventional Hydroelectric | 67 MW | |
| 5 | Conventional Hydroelectric | 67 MW | |
| 6 | Conventional Hydroelectric | 67 MW | |
| 7 | Conventional Hydroelectric | 67 MW | |
| 8 | Conventional Hydroelectric | 67 MW | |
| 3 | Conventional Hydroelectric | 67 MW |
Plant details
- Operator
- USACE-Omaha
- Location
- Buffalo County, South Dakota
- Balancing authority
- SWPP
- Sector
- Electric Utility
- Capacity
- Operating: 538 MW
- First unit online
- Sep 1964
- EIA plant ID
- 3375
Location
44.0384, -99.4463
Nearby power plants
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- Triple H Wind ProjectWind farms · 250 MW · 26.2 mi
- Rolling Thunder Wind Farm HybridBattery storage, Wind farms · 25.8 MW · 34.1 mi
- Brule County WindWind farms · 20.0 MW · 34.3 mi
- Prairie Winds SD1Wind farms · 162 MW · 34.4 mi
- South Dakota Wind Energy CenteWind farms · 40.5 MW · 35.4 mi
- Sweetland Wind Farm, LLCWind farms · 200 MW · 40.0 mi
- Aurora County WindWind farms · 20.0 MW · 40.1 mi
Source: U.S. Energy Information Administration, Form EIA-860M, September 2026. Planned dates are targets reported by the developer and often change. Report a problem