A map of wind power classes for Wyoming and Colorado.

Orange to purple areas represent poor to superb wind power potential, respectively. Green patches represent known wind turbine locations. (source: National Renewable Energy Laboratory; USGS images). Figure 2 (left): Wind power classes for 50 meters above-ground elevation in Wyoming (777 turbines). Figure 3 (right): Wind power classes for 50 meters above-ground elevation in Colorado (910 turbines).