Power plants in Deuel County, South Dakota
3 operating power plants in Deuel County, South Dakota, with 803 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Largest power plants in Deuel County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | Astoria StationNatural gas | 349 | 455 | 14.9% |
| 2 | Deuel Harvest Wind Energy LLCWind | 300 | 1,102 | 41.9% |
| 3 | Tatanka RidgeWind | 154 | 594 | 44.0% |
MW is the nameplate capacity of operating generators and batteries. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources
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