Power plants in Piatt County, Illinois

4 operating power plants in Piatt County, Illinois, with 988 MW of nameplate capacity, largest first. From EIA-860M, August 2026.

Plants

4

Nameplate capacity

988 MW

Net generation, 2025

680 GWh

Largest power plants in Piatt County

#PlantMW2025 net generation, GWhGWh, 2025Capacity factorOperator
1Goose Creek Energy CenterNatural gas684−1.4–Union Electric Co - (MO)
2Prosperity WindWind300678–Prosperity Wind, LLC
3NL IL - Piatt 1 - East CSGSolar2.01.9–Standard Solar
4NL IL - Piatt 2 - West CSGSolar2.01.3–Standard Solar

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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