AEP vs BKH

American Electric Power Company Inc.

American Electric Power Company, Inc., an electric public utility holding company, engages in the generation, transmission, and distribution of electricity for sale to retail and wholesale customers in the United States. It operates through Vertically Integrated Utilities, Transmission and Distribution Utilities, AEP Transmission Holdco, and Generation & Marketing segments. The company generates electricity using coal and lignite, natural gas, nuclear, and hydroelectric, as well as solar, wind, and other energy sources. It also supplies and markets electric power at wholesale to other electric utility companies, rural electric cooperatives, municipalities, and other market participants. The company owns, leases, or controls approximately 3,016 railcars, 411 barges, 6 towboats, and a coal handling terminal with approximately 18 million tons of annual capacity. American Electric Power Company, Inc. was incorporated in 1906 and is headquartered in Columbus, Ohio.

Black Hills Corporation

Black Hills Corporation, through its subsidiaries, operates as an electric and natural gas utility company in the United States. It operates through four segments: Electric Utilities, Gas Utilities, Power Generation, and Mining. The Electric Utilities segment generates, transmits, and distributes electricity to approximately 216,000 electric customers in Colorado, South Dakota, and Wyoming, as well as provides electrical system construction services to large industrial customers. This segment owns 992 megawatts of generation capacity and 8,892 miles of electric transmission and distribution lines. The Gas Utilities segment distributes natural gas to approximately 1,083,000 natural gas utility customers in Arkansas, Colorado, Iowa, Kansas, Nebraska, and Wyoming. It also provides appliance repair services to residential customers; and constructs and maintains gas infrastructure facilities for gas transportation customers. This segment owns and operates approximately 4,774 miles of intrastate gas transmission pipelines; 41,838 miles of gas distribution mains and service lines; seven natural gas storage sites; and approximately 49,000 horsepower of compression and 560 miles of gathering lines. The Power Generation segment produces electric power through wind, natural gas, and coal-fired generating plants; and sells the electric capacity and energy primarily to utilities under long-term contracts. The Mining segment produces coal at its coal mine located near Gillette, Wyoming; and sells the coal to electric generation facilities. Black Hills Corporation was incorporated in 1941 and is headquartered in Rapid City, South Dakota.