Founded in 2001, MGE Energy, Inc., is a Wisconsin company. The Company, an investor-owned utility holding company, operates through subsidiaries in five business segments: regulated electric utility operations through MGE, generating and distributing electricity for customers in Dane County, Wisconsin; regulated natural gas utility operations through MGE, distributing natural gas to customers in seven counties in south-central and western Wisconsin; unregulated energy operations through MGE Power and its subsidiaries, The subsidiary owns interests in power generation capacity leased to MGE; transmission investments, representing their equity investment in ATC, which owns and operates transmission facilities primarily in Wisconsin, and ATC Holdco, a company created to facilitate out-of-state transmission development and investment; all others, Including investing in companies and properties related to regulated operations and funding regulated operations, as well as corporate operations and services through its wholly-owned subsidiaries CWDC, MAGAEL and North Mendota.
