Alliant Energy Corporation revenue for the last year amounted to 4.03 B USD, the most of which — 3.35 B USD — came from its highest performing source at the moment, Utility Electric, the year earlier bringing 3.42 B USD. The greatest contribution to the revenue figure was made by United States — last year it brought Alliant Energy Corporation 4.03 B USD, and the year before that — 4.21 B USD.