Black Hills Corporation
Black Hills Corporation, through its subsidiaries, operates as an electric and natural gas utility company in the United States. The company operates in two segments: Electric Utilities and Gas Utilities. The Electric Utilities segment generates, transmits, and distributes electricity to approximately 225,000 electric utility customers in Colorado, Montana, South Dakota, and Wyoming; and owns and operates 1,394 megawatts of generation capacity, and 9,106 miles of electric transmission and distribution lines. The Gas Utilities segment distributes natural gas to approximately 1,128,000 natural gas utility customers in Arkansas, Colorado, Iowa, Kansas, Nebraska, and Wyoming; owns and operates 4,648 miles of intrastate gas transmission pipelines; 44,524 miles of gas distribution mains and service lines; seven natural gas storage sites; and approximately 50,000 horsepower of compression and 516 miles of gathering lines. It also constructs and maintains customer owned 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, the company produces electric power through wind, natural gas, and coal-fired generating plants; and coal at its coal mine located near Gillette, Wyoming. Black Hills Corporation was incorporated in 1941 and is headquartered in Rapid City, South Dakota.
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Korea Electric Power Corporation, an integrated electric utility company, engages in the generation, transmission, and distribution of electricity in South Korea and internationally. It operates through Transmission and Distribution, Nuclear Power Generation, Thermal Power Generation, and Others segments. The company generates power from nuclear, coal, oil, liquefied natural gas, internal combustion, combined-cycle, integrated gasification combined cycle, hydro, wind, solar, fuel cell, biogas, and other sources. As of December 31, 2024, the company had a total of 848 generation units, including nuclear, thermal, hydroelectric, and internal combustion units with an installed generation capacity of 85,424 megawatts; transmission system consisted of 35,856 circuit kilometers of lines of 765 kilovolts and others, including high-voltage direct current lines, as well as 925 substations with an installed transformer capacity of 368,758 megavolt-amperes; and distribution system included 148,176 megavolt-amperes of transformer capacity and 10,251,345 units of support with a total line length of 547,850 circuit kilometers. It also provides electricity to residential, commercial, educational, industrial, agricultural, street lighting, and overnight power usage. In addition, the company offers engineering and construction services for utility plant and others; utility plant maintenance, electric power information technology, resources development, facility maintenance, electric meter reading, and security services; and engages in nuclear fuel, fly ashes recycling, utility plants construction and operation, and wood pellet utilization businesses. Korea Electric Power Corporation was founded in 1898 and is headquartered in Naju-Si, South Korea.
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