Edison International
Edison International, through its subsidiaries, engages in the generation and distribution of electric power. The company supplies and delivers through its electrical infrastructure to an approximately 50,000 square-mile area of southern California. It serves residential, commercial, industrial, public authorities, agricultural, and other sectors. The company's distribution network consists of approximately 13,000 circuit-miles of lines ranging from 55 kV to 500 kV and approximately 80 transmission substations; and approximately 38,000 circuit-miles of overhead lines, approximately 32,000 circuit-miles of underground lines, and approximately 730 distribution substations. Edison International was founded in 1886 and is based in Rosemead, California.
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MGE Energy, Inc., through its subsidiaries, operates as a public utility holding company in the United States. It operates through Regulated Electric Utility Operations; Regulated Gas Utility Operations; Nonregulated Energy Operations; Transmission Investments; and All Other segments. The company generates, purchases, and distributes electricity; purchases and distributes natural gas; owns and leases electric generating capacity; and plans, constructs, operates, maintains, and expands transmission facilities to provide transmission power services. It also generates electricity from coal-fired, gas-fired, and renewable energy sources; and provides solar and wind generation, and battery storage services. As of December 31, 2024, the company owned and operated 825 miles of overhead electric distribution lines; 1,359 miles of underground electric distribution cables; 48 substations with an installed capacity of 1.2 million kVA; and gas facilities, including 3,092 miles of distribution mains, as well as supplied electric service to approximately 167,000 customers. MGE Energy, Inc. was incorporated in 2001 and is headquartered in Madison, Wisconsin.
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