The diversion keys of Xihe Hydropower Station is located in the middle reach with steep slope and quick water, of Guanliao River which is the tributary of Dadu River, and at the unfavarable convex bank in the slight bending river.

• 西河水电站取水枢纽,位于大渡河支流官料河中游,处于坡陡流急,且微弯河段的凸岸一侧,位置不利。