Huaneng Power International, Inc. revenue for the last year amounted to 35.83 B USD, the most of which — 34.82 B USD — came from its highest performing source at the moment, Electricity and Heat, the year earlier bringing 35.14 B USD. The greatest contribution to the revenue figure was made by China — last year it brought Huaneng Power International, Inc. 31.59 B USD, and the year before that — 31.64 B USD.