Power plants in Sumner County, Kansas
5 operating power plants in Sumner County, Kansas, with 506 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Largest power plants in Sumner County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | WPWPWind | 307 | 1,001* | – |
| 2 | Slate Creek Wind Project LLCWind | 150 | 445 | 33.8% |
| 3 | Wellington 1Natural gas | 24 | 6.1 | 2.9% |
| 4 | Wellington 2Natural gas | 20 | 3.1 | 1.8% |
| 5 | Oxford (KS)Oil | 5.1 | 0.0 | 0.0% |
* Fewer than 12 months of 2025 reported, so the total is partial.
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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