The Dakchaliou II HHP is expected to locate on Nam Pa Gnouriver and its tributary stream in the vicinity of Dakchung districtSekong province. Dam site will be constructed at location whereis about 20 Km from Dakchung district and 10 Km far fromVietnam- Lao border into the west, 120 Km from SekongProvince into the northeast in the route. The project is expectedto construct at site between Sekaman 3 Damsite and powerhouse . It is geographical coordinates are within:15°24'16.80"to15°25'11.48"Northern latitudeand107°24'42.88"to107°25 '22.56"longitudeThe catchment area of Dakchaliou II at dam site is 125 Km2. Normal water level is 685 m and dead water level is 681m. Area of reservoirsurface confirming to NWL is 0.049 Km2.Installed capacity : 13 MWAnnual average energy output : E0 = 51.823 x 106 KWhTurbine type : FrancisNumber of units : Z = 2 unitsFIRR : 12.95%EIRR : 11.96 % Payback period : 8-11 yearsTotal investment cost estimate : 25,413,000 USD