Project overview: Clay sloping core rock-fill dam: Its maximum height and total generating capacity are 154m and 1.8 million kilowatts respectively. Its reservoir capacity stands at 12.65 billion cubic meters. It was selected as top 100 classical construction projects of China in 2009.

Construction period:The project was commenced in September 1994. Its first generation unit was put into operation in January 2000. The project was completed at the end of the year 2001.

Undertake project:one-million t/m rock anchoring project, excavation and lining construction of No.2 diversion tunnel, fabrication of maintenance gate leaf and embedment of Free-Flow Tunnels 1 to 3, fabrication of emergency gate leaf and embedment of Free-Flow Tunnel 1, installation construction of generation units 3 to 6, and civil-work construction.