 BEIJING, Oct. 18, 2021 PRNewswire -- Huaneng Power International, Inc. HPI, the Company NYSE: HNP; HKEx: 902; SSE: 600011 today announced its power generation in the first three quarters of 2021. According to the preliminary statistics of Huaneng Power International, Inc., the Company, in the third quarter of 2021, the electricity sold by the Companys operating power plants in China, on consolidated basis, amounted to 115.188 billion kWh, representing an increase of 10.98 compared to the same period last year. 