Power plants in Prowers County, Colorado

3 operating power plants in Prowers County, Colorado, with 243 MW of nameplate capacity, largest first. From EIA-860M, August 2026.

Plants

3

Nameplate capacity

243 MW

Net generation, 2025

870 GWh

Largest power plants in Prowers County

#PlantMW2025 net generation, GWhGWh, 2025Capacity factorOperator
1Colorado Green Holdings LLCWind16256439.7%Avangrid Power LLC
2Twin Buttes II WindWind7529845.4%Avangrid Power LLC
3Lamar PlantWind6.08.211.7%City of Lamar - (CO)

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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