FIRST GEN CORPORATION revenue for the last year amounted to 139.31 B PHP, the most of which — 46.89 B PHP — came from its highest performing source at the moment, First Gas Power Corporation, the year earlier bringing 51.60 B PHP. The greatest contribution to the revenue figure was made by Philippines — last year it brought FIRST GEN CORPORATION 137.69 B PHP, and the year before that — 145.39 B PHP.