Gray County Wind Farm near Montezuma, Kansas was the largest wind farm in Kansas and the largest in the United States not mandated by a state regulatory commission back in 2001. The site consists of 170 Vestas V-47 wind turbines with a total nameplate capacity of 112 MW. Each turbine tower is 217 feet high, with blades 77 feet long, and a generating capacity of 660 kW. Owned and operated by NextEra Energy Resources, Gray County Wind Farm became fully operational in November 2001. Its construction cost an estimated $100 million. The average wind speed at the site is approximately 20 mph. The area is primarily used for farmland.

• Elk River Wind Project
• Smoky Hills Wind Farm

• "Gray County Wind Energy Center" (PDF). NextEra Energy. NextEra Energy. Retrieved 2019-06-29.

37°36′22″N 100°22′46″W / 37.60611°N 100.37944°W / 37.60611; -100.37944