汶川县
The Shapai Dam is an arch dam on the Caopo River in Wenchuan County, Ngawa, Sichuan Province, China. The dam is tall and composed of roller-compacted concrete. There are no spillways on the face of the dam but two tunnels are utilized with a discharge capacity of . A single penstock feeds water to a power station downstream. The power station contains 2 x 18 MW generators with a combined capacity of 36 MW.