AMERICAN ELECTRIC POWER CORP revenue for the last year amounted to 17.21 B EUR, the most of which — 10.24 B EUR — came from its highest performing source at the moment, Vertically Integrated Utilities, the year earlier bringing 10.55 B EUR. The greatest contribution to the revenue figure was made by United States — last year it brought AMERICAN ELECTRIC POWER CORP 17.20 B EUR, and the year before that — 18.35 B EUR.