Alliant Energy Corporation delivers energy solutions to approximately 1 million electric and 425,000 natural gas customers across Iowa and Wisconsin. Headquartered in Madison, Wisconsin, the company operates through two principal utility subsidiaries: Interstate Power and Light Company (IPL) and Wisconsin Power and Light Company (WPL). These entities provide regulated electric and natural gas services, with IPL serving retail customers in Iowa and selling electricity to wholesale markets, while WPL delivers retail and wholesale electric and retail gas service in Wisconsin.
As a S&P 500 company traded on NASDAQ under the symbol LNT, Alliant Energy focuses on exceptional service, responsible resource use, and competitive pricing. The company is committed to clean energy transition and has been recognized on Newsweek's America's Most Responsible Companies list for its holistic approach to environmental, social, and corporate governance. With a history dating to 1917, Alliant Energy continues investing in modern infrastructure and renewable energy projects to build a more sustainable future for the communities it serves.