ALLIANT ENERGY CORP revenue for the last year amounted to 3.65 B EUR, the most of which — 3.03 B EUR — came from its highest performing source at the moment, Utility Electric, the year earlier bringing 3.20 B EUR. The greatest contribution to the revenue figure was made by United States — last year it brought ALLIANT ENERGY CORP 3.65 B EUR, and the year before that — 3.93 B EUR.