BKH vs DTE

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.

DTE Energy Company

DTE Energy Company engages in the utility operations. The company's Electric segment generates, purchases, distributes, and sells electricity to approximately 2.2 million residential, commercial, and industrial customers in southeastern Michigan. It generates electricity through fossil-fuel, hydroelectric pumped storage, and nuclear plants, as well as wind and other renewable assets. This segment owns and operates approximately 698 distribution substations and 445,800 line transformers. The company's Gas segment purchases, stores, transports, distributes, and sells natural gas to approximately 1.3 million residential, commercial, and industrial customers throughout Michigan; and sells storage and transportation capacity. This segment has approximately 20,000 miles of distribution mains; 1,308,000 service pipelines; and 1,305,000 active meters, as well as owns approximately 2,000 miles of transmission pipelines. Its Gas Storage and Pipelines segment owns natural gas storage fields, lateral and gathering pipeline systems, and compression and surface facilities, as well as has ownership interests in interstate pipelines serving the Gulf Coast, Midwest, Ontario, and northeast markets. The company's Power and Industrial Projects segment offers metallurgical coke; pulverized coal and petroleum coke to the steel, pulp and paper, and other industries; and power, steam and chilled water production, and wastewater treatment services, as well as supplies compressed air to industrial customers. It also owns and operates 5 renewable generating plants with a capacity of 139 MWs; 22 gas recovery sites; and 10 reduced emissions fuel facilities. Its Energy Trading segment engages in power, natural gas, and environmental marketing and trading; structured transactions; and the optimization of contracted natural gas pipeline transportation and storage positions. The company was founded in 1903 and is headquartered in Detroit, Michigan.