Front Range Energy has been operating a plant in Windsor since May 2006. The feedstock used is corn and its maximum capacity is 48 MGY.
Operating in Aurora since December of 1995, this facility uses waste beer as a feedstock and has a MGY of 3.
This facility, located in Sterling since 2005, uses corn and has an MGY of 52.
Yuma Ethanol has operated a plant in Yuma since October 2007. It has an MGY of 50 and uses corn feedstock.
This Walsh ethanol plant has a MGY of 3 and uses milo (grain sorghum) for its feedstock.