Introduction At 00:00 on January 1, 2019, four units of Dahuabiao, Huangdeng, Wulonglong and Lidi hydropower stations with a total of 1,092,500 kilowatts were successfully put into operation. The four units put into operation on the same day once again refreshed the world hydropower commissioning record of "one-day double commissioning" set by the company on July 12, 2018. So far, all eight units of Huangdeng and Dahuaqiao hydropower stations have been put into operation. The total installed capacity has reached 24,992,800 kilowatts, the asset size has exceeded 180 billion yuan, and the cumulative power generation has exceeded 570 billion kilowatt hours. Geographic location. Huangdeng Hydropower Station is located in Lanping County, Nujiang Prefecture, Yunnan Province. It is developed by dike and dam, and is the fifth stage hydropower station in the hydropower ladder development program of the upper reaches of the Lancang River in Yunnan Province from Gushui to Miaowei Ri