Polaris power grid was informed that Anhui Provincial Development and Reform Commission has recently issued the approval on Tongcheng pumped storage power station project, No. In this project, four vertical shaft single-stage mixed flow reversible water pump turbines with a single unit capacity of 320MW are newly built, with a total installed capacity of 1280mw. The hub project is mainly composed of upper reservoir, lower reservoir, water conveyance system, underground powerhouse and above ground switch station.