alliant-energy

Alliant Energy Corporation (NASDAQ: LNT) is a regulated investor-owned public utility holding company that provides electric and natural gas service to approximately 1 million electric and 430,000 natural gas retail customers in Iowa and Wisconsin. The company operates through two regulated utility subsidiaries: Interstate Power and Light (IPL) in Iowa and Wisconsin Power and Light (WPL) in Wisconsin. Alliant Energy is investing significantly in renewable energy, with wind and solar generation expansion across its service territory. The company supports data centers and large energy users with dedicated service programs in Iowa and Wisconsin. Alliant Energy participates in the Green Button initiative for standardized customer energy usage data access, providing customers with secure access to their historical energy consumption data. As a regulated utility, Alliant Energy does not maintain a public developer API program beyond Green Button data access for customers.