FORTIS INC. revenue for the last year amounted to 7.87 B EUR, the most of which — 2.05 B EUR — came from its highest performing source at the moment, UNS Energy, the year earlier bringing 1.90 B EUR. The greatest contribution to the revenue figure was made by United States — last year it brought FORTIS INC. 4.19 B EUR, and the year before that — 3.94 B EUR.