| Wiwon Dam | |
| Name Official: | 위원댐,위원발전소,渭原水电站 |
| Location Map: | China |
| Coordinates: | 40.9016°N 125.9733°W |
| Country: | China/North Korea |
| Location: | Ji'an, Jilin Province/Wiwon County, Chagang Province |
| Purpose: | Power |
| Status: | O |
| Construction Began: | 1979 |
| Opening: | 1987 |
| Dam Height: | 550NaN0 |
| Dam Length: | 6370NaN0 |
| Dam Elevation Crest: | 1710NaN0 |
| Dam Crosses: | Yalu River |
| Spillway Type: | Gate-controlled |
| Res Capacity Total: | 6260000000NaN0 |
| Res Catchment: | 316020NaN0 |
| Res Elevation: | 1640NaN0 |
| Plant Hydraulic Head: | 390NaN0 (design) |
| Plant Commission: | 1987-1988 |
| Plant Turbines: | 6 x 65 MW Francis-type |
| Plant Capacity: | 390 MW |
| Plant Annual Gen: | 1200 GWh |
The Wiwon Dam or Weiyuan Dam is a gravity dam on the Yalu River between China and North Korea. It is located 400NaN0 southwest of Ji'an in Jilin Province, China and Wiwon in Chagang Province, North Korea. It was constructed between 1979 and 1987. The dam's six 65 MW generators were commissioned in 1987 and 1988. It is jointly owned and operated by China and North Korea.[1] [2]