Black Hills Energy

PO Box 6001 • Rapid City, SD 57709

Hours of Operation: M-F 7am-6:30pm

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Black Hills Energy, the business name under which we operate our natural gas and electric utilities, serves 1.2 million customers in eight states: Arkansas, Colorado, Iowa, Kansas, Montana, Nebraska, South Dakota and Wyoming. Our utilities are subsidiaries of Black Hills Corp. (NYSE: BKH).