| Longjiang Dam | |
|---|---|
| Country | China |
| Location | Mangshi, Dehong Prefecture, Yunnan Province |
| Coordinates | 24°14′25.30″N 98°6′40.16″E / 24.2403611°N 98.1111556°E |
| Purpose | Power, flood control, irrigation |
| Status | Operational |
| Construction began | 2006 |
| Opening date | 2010 |
| Dam and spillways | |
| Impounds | Long River |
| Height | 110 m (360 ft) |
| Length | 472 m (1,549 ft) |
| Elevation at crest | 875 m (2,871 ft) |
| Width (base) | 23.76 m (78.0 ft) |
| Reservoir | |
| Total capacity | 1,217,000,000 m3 (986,638 acre⋅ft) |
| Normal elevation | 872 m (2,861 ft) |
| Longjiang Hydropower Plant | |
| Commission date | 2010 |
| Type | Conventional |
| Turbines | 3 x 80 MW Francis-type |
| Installed capacity | 240 MW |
The Longjiang Dam is an arch dam on the Long River (upper of Shweli River) near Mangshi in Dehong Prefecture of Yunnan Province, China. It is a multiple-purpose project aimed at flood control, irrigation and hydroelectric power generation. Its reservoir has a storage capacity of 1,217,000,000 m3 (986,638 acre⋅ft), of which 679,000,000 m3 (550,474 acre⋅ft) is reserved for river these purposes. The dam's power station is located on its left bank and contains three 80 MW Francis turbine-generators for a total installed capacity if 240 MW. Construction on the project began on 28 November 2006 and all generators were commissioned in 2010.