The upper reach of the river, from Jiayisi to Lianghekou, is 688km long, and development planning for this section is underway. Based on the investigation data obtained to date, 10 cascade projects with a total installed capacity of 3,250MW are intended to be built, which are Wenbosi (150MW), Renqingling (300MW),Reba (250MW), Ada (250MW), Geni (200MW), Tongha (200MW), Yingda (500MW), Xinlong (500MW), Gongke (400MW), and Gongbagou (500MW).