We’re a diversified energy company with a tradition of exemplary service and a vision to be the energy partner of choice. Our company is based in Rapid City, S.D., and we have corporate offices in Denver and Papillion, Neb. We serve 765,000 natural gas and electric utility customers in Colorado, Iowa, Kansas, Montana, Nebraska, South Dakota and Wyoming. We also have a business segment we call non-regulated that generates wholesale electricity, produces natural gas and crude oil, and mines coal. Our more-than 2,000 employees partner to produce results that improve life with energy.