Company Story
1917 - The company was founded as Madison Gas and Electric Company.
1923 - The company merged with Wisconsin Power and Light Company.
1944 - The company changed its name to Wisconsin Power and Light Company.
1987 - The company merged with IES Industries to form WPL Holdings.
1994 - WPL Holdings changed its name to Alliant Energy Corporation.
1998 - Alliant Energy Corporation acquired IES Utilities.
2001 - Alliant Energy Corporation acquired Wisconsin Power and Light Company.
2010 - Alliant Energy Corporation acquired RMT Inc.
2016 - Alliant Energy Corporation acquired Wisconsin Public Service Corporation.