Power plants in Dewey County, Oklahoma
5 operating power plants in Dewey County, Oklahoma, with 881 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Largest power plants in Dewey County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | Crossroads Wind FarmWind | 228 | 375 | 18.8% |
| 2 | Mammoth PlainsWind | 226 | 623 | – |
| 3 | Seiling Wind IWind | 199 | 454 | 26.0% |
| 4 | Taloga Wind LLCWind | 130 | 188 | 16.5% |
| 5 | Seiling Wind IIWind | 99 | 261 | 30.2% |
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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