锦屏一级水电站位于雅砻江干流 ,是雅砻江水能资源最富集的中、下游河段五级水电开发中的第一级。它的兴建对我国西部大开发及西电东送战略的实现具有重要意义。因其地下厂房的主厂房、主变室和尾水调压室等三大洞室平行布置 ,属特大型地下洞室群。在特定地质条件下 ,该洞群受 Located in the main stream of the Yalong River, Jinping I Hydropower Station is the first level in the development of hydropower in the middle and lower reaches of the middle and lower reaches of the Yalong River, where hydropower resources are most abundant. Its construction is of great significance to the great development of western China and the realization of the strategy of sending electricity from the west to the east. Because of its underground plant of the main plant, the main transformer room and tail water surge chamber and other three large parallel chamber layout, is a large underground cavern group. The cave group is subject to certain geological conditions