Power plants in Polk County, Iowa
7 operating power plants in Polk County, Iowa, with 1,063 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Largest power plants in Polk County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | Greater Des MoinesNatural gas | 576 | 1,851 | 36.7% |
| 2 | Pleasant HillNatural gas | 180 | 48.7 | 3.1% |
| 3 | Sycamore (IA)Natural gas | 158 | 30.5 | 2.2% |
| 4 | River HillsNatural gas | 128 | 2.2 | 0.2% |
| 5 | Metro Methane Recovery FacilityLandfill gas | 11 | 83.0 | 84.6% |
| 6 | Archer Daniels Midland Des MoinesNatural gas | 7.9 | 23.4 | 33.8% |
| 7 | Anderson EricksonOil | 2.0 | 0.0 | 0.1% |
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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