HUANENG POWER INTERNATIONAL, INC. revenue for the last year amounted to 254.40 B CNY, the most of which — 246.16 B CNY — came from its highest performing source at the moment, Electricity and Heat, the year earlier bringing 236.09 B CNY. The greatest contribution to the revenue figure was made by China — last year it brought HUANENG POWER INTERNATIONAL, INC. 223.27 B CNY, and the year before that — 212.55 B CNY.