 To encourage the use of electric vehicles in Madison, Wisconsin, the company also offered free public charging at its Madison office.As of 2017 Alliant Energy shares are mainly held by institutional investors (Vanguard group, BlackRock, State Street Corporation, and others).The former CEO of Alliant Energy, Patricia Kampling, wrote a guest editorial in "The Gazette" where she wrote that Alliant Energy and the American Wind Association presented U.S.