LNT

Alliant Energy Corp is a regulated investor‑owned utility holding company headquartered in Madison, Wisconsin, that delivers electricity and natural‑gas service to residential and commercial customers primarily in Iowa and Wisconsin. The company operates through its two utility subsidiaries, Interstate Power and Light and Wisconsin Power and Light, which manage generation, transmission and distribution of electricity as well as the transportation and distribution of natural gas. In addition to its core regulated businesses, Alliant Energy holds non‑utility assets such as a stake in a wind‑farm project and a minority interest in a transmission‑only company, and it offers ancillary services like customized supply‑chain solutions. As a component of the S&P 500, the firm is a leading regional utility focused on reliable, affordable service while pursuing renewable‑energy integration and a net‑zero emissions goal for its operations.