The Jinping-I Dam also known as the Jinping-I Hydropower Station or Jinping 1st Cascade, is a tall arch dam on the Jinping Bend of the Yalong River (Yalong Jiang) in Liangshan, Sichuan, China.

Construction on the project began in 2005 and was completed in 2014.

Its power station has a 3,600 MW capacity to produce between 16 and 18 TW•h (billion kW•h) annually. Supplying the power station is a reservoir created by the 305-meter-tall arch dam, the tallest in the world. 

The project's objective is to supply energy for expanding industrialization and urbanization, improve flood protection, and prevent erosion.​

According to en.wikipedia