MGE Energy 

MGE Energy, Inc. operates as a public utility holding company, primarily conducting its business in Wisconsin through various subsidiary entities. The company's operations are divided into several key segments: Regulated Electric Utility, Regulated Gas Utility, Nonregulated Energy, Transmission Investments, and an "All Other" category. Its core activities involve the generation, acquisition, and delivery of electricity, utilizing owned or leased power generation facilities situated in both Wisconsin and Iowa. Furthermore, MGE Energy undertakes the planning, construction, operation, maintenance, and expansion of transmission infrastructure to provide essential transmission services. The company's electricity generation portfolio includes coal-fired, gas-fired, and renewable energy sources, supplemented by power purchased under both short-term and long-term agreements. As of December 31, 2021, MGE Energy was supplying electricity to 159,000 customers in Dane County, Wisconsin, and distributing natural gas to 169,000 customers across seven Wisconsin counties. The company maintains its corporate headquarters in Madison, Wisconsin.