MGE Energy, Inc. provides natural gas and electric services. The company operates its business through following segments: Regulated Electric Utility Operations, Regulated Gas Utility Operations, Non-Regulated Energy Operations, Transmission Investments and All Other. The Regulated Electric Utility Operations segment engages in generating, purchasing, and distributing electricity. The Regulated Gas Utility Operations segment engages in purchasing and distributing natural gas. The Non Regulated Energy Operations segment engages in owning and leasing electric generating capacity. The Transmission Investments segment represents investment in American Transmission Company LLC, a company engaged in the business of providing electric transmission services primarily in Wisconsin. The All Other segment invests in companies and property that relate to the regulated operations and financing the regulated operations. MGE Energy was founded in 2001 and is headquartered in Madison, WI.