Lower Se San 2 Dam
| Lower Se San 2 Dam | |
|---|---|
| Country | Cambodia |
| Location | 25 km (16 mi) upstream from Stung Treng |
| Coordinates | 13°32′59.5″N 106°15′49.4″E / 13.549861°N 106.263722°E |
| Status | Completed |
| Construction began | 2014 |
| Opening date | December 2018 |
| Construction cost | US$781.52 million |
| Owner(s) | Royal Group Hydrolancang International Energy |
| Dam and spillways | |
| Type of dam | Reservoir |
| Impounds | Sesan River |
| Height | 75 m (246 ft) |
| Length | 7,729 m (25,358 ft) |
| Reservoir | |
| Total capacity | 1,790,000 m3 (63,000,000 cu ft) |
| Surface area | 75 km2 (29 sq mi) |
| Power Station | |
| Operator(s) | Hydro Power Lower Sesan 2 Co. Ltd. |
| Turbines | 5 X 80 MW (110,000 hp) |
| Installed capacity | 400 MW (540,000 hp) (max. planned) |
| Annual generation | 1,998 GWh (7,190 TJ) |
| Website http://www.hydrosesan2.com | |
The Lower Se San 2 Dam (also: Lower Sesan 2 Dam and Han Se San 2 Dam) is a hydroelectric dam under development on the Se San River in Stung Treng Province, northeastern Cambodia. The Se San River is a major tributary of the Mekong River. The dam site is located 25 kilometres (16 mi) east of the provincial capital, also named Stung Treng. The first turbine began producing electricity in November 2017. The dam was officially opened on December 18, 2018.