 In order to maximize the utility of the Three Gorges Dam and cut down on sedimentation from the Jinsha River , the upper course of the Yangtze River , authorities plan to build a series of dams on the Jinsha , including <unk> Dam , <unk> Dam , along with the now completed <unk> and <unk> dams . The total capacity of those four dams is 38 @,@ 500 MW , almost double the capacity of the Three Gorges . <unk> is preparing for construction and <unk> is seeking government approval . Another eight dams are in the midstream of the Jinsha and eight more upstream of it . 
