HUANENG POWER INTERNATIONAL INC revenue for the last year amounted to 245.55 B CNY, the most of which — 237.55 B CNY — came from its highest performing source at the moment, Electricity and Heat, the year earlier bringing 246.16 B CNY. The greatest contribution to the revenue figure was made by China — last year it brought HUANENG POWER INTERNATIONAL INC 220.33 B CNY, and the year before that — 223.27 B CNY.