Black Hills Corporation

Black Hills Corporation is a utility company headquartered in Rapid City, South Dakota, incorporated in 1941. The company operates in the United States, with its business divided into two main segments: Electric Utilities and Gas Utilities. Unallocated corporate expenses are reported under Corporate and Other. The Electric Utilities segment generates, transmits, and distributes electricity to approximately 227,000 electric utility customers across Colorado, Montana, South Dakota, and Wyoming. This segment owns 1,386 MW of generation capacity and 9,478 miles of electric transmission and distribution lines. It supplies electricity primarily to retail customers through its generating facilities and power purchase agreements, also selling excess power to other utilities and marketing companies, including affiliates. The Gas Utilities segment serves approximately 1,138,000 natural gas utility customers in Arkansas, Colorado, Iowa, Kansas, Nebraska, and Wyoming. This segment owns and operates 4,581 miles of intrastate gas transmission pipelines, 44,840 miles of gas distribution mains and service lines, seven natural gas storage sites, over 50,000 horsepower of compression, and 494 miles of gathering lines.