The first level power station of the southern Europe river is located in luang prabang province, Laos, about 18 kilometers away from the intersection of the southern Europe river and the Mekong river. The contract period is from April 8, 2016 to October 31, 2020. The project focuses on power generation with a total installed capacity of 180,000 kw. The junction is mainly composed of the left bank non-spillway dam section, the drainage building, the power generation building, the right bank non-spillway dam section and other buildings, among which the earthwork excavation volume is 2.52 million cubic meters, the earthwork filling volume is 437,400 cubic meters, and the concrete pouring volume is 430,400 cubic meters.