Black Hills Corporation

Black Hills Corporation through its subsidiaries operates as an electric and natural gas utility company in the United States. It operates in two segments Electric Utilities and Gas Utilities. The Electric Utilities segment generates transmits and distributes electricity to approximately 220000 electric utility customers in Colorado Montana South Dakota and Wyoming; and owns and operates 1482 megawatts of generation capacity and 9024 miles of electric transmission and distribution lines. The Gas Utilities segment distributes natural gas to approximately 1107000 natural gas utility customers in Arkansas Colorado Iowa Kansas Nebraska and Wyoming; owns and operates 4713 miles of intrastate gas transmission pipelines; 42222 miles of gas distribution mains and service lines; seven natural gas storage sites; and approximately 50000 horsepower of compression and 515 miles of gathering lines. The company also constructs and maintains gas infrastructure facilities for gas transportation customers; and provides appliance repair services to residential utility customers as well as electrical system construction services to large industrial customers. In addition it produces electric power through wind natural gas and coal-fired generating plants; and coal at its coal mine located near Gillette Wyoming. The company was incorporated in 1941 and is headquartered in Rapid City South Dakota.