The normal waterlevel of the reservoir is EL. 630m, the capacity of the reservoir is436,000,000 m³. The hydropower station consists of one main power station andone ecological power station. The main power station consists of four 530 KW unitswith installed capacity of 2120 MW, and the ecological power station iscomposed of one 52KW unit. The total installed capacity is 2172 MW. The accessoryconstruction is mainly used to meet the needs of life and production ofhydropower station construction.