Huaneng Power International, Inc. reported unaudited consolidated operating results for the first half ended 30 June 2022. In the first half of the year, the Company's total on-grid power generation of the power plants within China on consolidated basis amounted to 196.544 billion
kWh, representing a decrease of 5.61% over the same period last year. The average utilization hours of the Company's power plants within China were 1,760 hours, representing a decrease of 220 hours over the same period last year. The Company's market-based power transaction ratio was 87.81%, representing an increase of 26.76% points over the same period last year.