MGE Energy, Inc. is a Wisconsin-based public utility holding company that operates through multiple segments including Regulated Electric Utility Operations, Regulated Gas Utility Operations, Nonregulated Energy Operations, Transmission Investments, and All Other. The company specializes in generating, purchasing, and distributing electricity and natural gas throughout Wisconsin and Iowa, while also constructing and expanding transmission facilities to provide transmission services. In addition, MGE Energy relies on a mix of coal-fired, gas-fired, and renewable energy sources to generate electricity. Since its founding in 2001, the company has established its headquarters in Madison, Wisconsin.