ALLETE, Inc., an energy enterprise established in 1906 and headquartered in Duluth, Minnesota (originally known as Minnesota Power, Inc. until its name change in May 2001), conducts its business through Regulated Operations, ALLETE Clean Energy, and Corporate and Other segments. The company produces electricity utilizing diverse sources such as coal-fired, biomass co-fired/natural gas, hydroelectric, wind, and solar technologies. It delivers regulated utility services, providing electricity to approximately 145,000 retail customers and 15 non-affiliated municipal entities in northeastern Minnesota, alongside serving around 15,000 electric, 13,000 natural gas, and 10,000 water clients in northwestern Wisconsin. ALLETE also owns and maintains a network of electric transmission assets spanning Wisconsin, Michigan, Minnesota, and Illinois, supported by 158 substations with a total capacity of 10,066 megavolt amperes. A key area of its operations is the ALLETE Clean Energy segment, which concentrates on the development, acquisition, and management of clean and renewable energy initiatives, including approximately 1,000 megawatts of owned and operated wind generation capacity. Furthermore, the company has interests in coal mining activities in North Dakota and real estate investments in Florida. Its industrial customer base encompasses sectors such as taconite mining, paper and pulp production, secondary wood products, and pipelines.