NRG ENERGY, INC revenue for the last year amounted to 586.49 B MXN, the most of which — 244.08 B MXN — came from its highest performing source at the moment, East, the year earlier bringing 212.96 B MXN. The greatest contribution to the revenue figure was made by United States — last year it brought NRG ENERGY, INC 586.49 B MXN, and the year before that — 489.56 B MXN.