Don Sahong Dam

Don Sahong Dam
Location of Don Sahong Dam in Laos
CountryLaos
LocationChampasak Province
Coordinates13°56′37.87″N 105°57′22.62″E / 13.9438528°N 105.9562833°E / 13.9438528; 105.9562833
PurposePower
StatusOperational
Construction beganJanuary 2016 (2016-01)
Opening dateJanuary 2020
Construction cost$500 million
Owner(s)Mega First Corporation Berhad (80%)
Électricité du Laos (20%)
Dam and spillways
ImpoundsMekong
Height22.5 m
Elevation at crest77 m
Dam volume130,000 m3
Power Station
Commission dateJanuary 2020
TypeRun-of-the-river
Hydraulic head17 m
Turbines4 x 65 MW
Installed capacity260 MW
Annual generation2000 GW·h

The Don Sahong is a hydroelectric dam commissioned in 2020 on the Mekong River in Siphandone area of Champasak Province, Laos, less than two kilometers upstream of the Laos–Cambodia border.