Based in Rapid City, South Dakota, we serve more than 1.2 million electric and natural gas utility customers in nearly 800 communities in eight states: Arkansas, Colorado, Iowa, Kansas, Montana, Nebraska, South Dakota and Wyoming. The company also generates wholesale electricity and produces natural gas, crude oil and coal. Our employees partner to produce results that are improving life with energy.
Our vision: Be the Energy Partner of Choice
Our mission: Improving Life with Energy