Huaneng Power International, Inc. reported electricity sales for the third quarter and nine months ended September 2021. For the quarter, the company reported electricity sales of 115.188 billion kWh, representing an increase of 10.98 % over the same period of 2020. For the nine months, the company reported electricity sales of 323.115 billion kWh, representing an increase of 17.11% over the same period of 2020.