Alliant Energy

Alliant Energy Corporation is a utility holding company based in Madison, Wisconsin, serving regulated electric and natural gas services primarily in Iowa and Wisconsin. The company caters to around 1 million electric customers and approximately 425,000 to 430,000 natural gas customers through its subsidiaries, Interstate Power and Light Company and Wisconsin Power and Light Company. Founded in 1998 through the merger of Interstate Power Company and Wisconsin Power and Light, Alliant Energy has a diverse energy generation portfolio that includes wind, solar, hydropower, natural gas, coal, and energy storage. The company is committed to transitioning to cleaner energy sources, with plans to retire all coal-fired plants by 2040 and achieve net-zero greenhouse gas emissions by 2050. Alliant Energy also engages in community development and environmental initiatives through its foundation and employee volunteer programs, reflecting its dedication to sustainability and innovation.