ISA ENERGIA PN N1 revenue for the last year amounted to 3.98 B BRL, the most of which — 3.03 B BRL — came from its highest performing source at the moment, Remuneration of Concession Assets, the year earlier bringing 2.83 B BRL. The greatest contribution to the revenue figure was made by Brazil — last year it brought ISA ENERGIA PN N1 6.22 B BRL, and the year before that — 5.45 B BRL.