Dak Ba HP was undertaken by Bach Thien Loc Joint Stock Company (a unit with 100% of the capital of Vinaconex Corporation) as the investor, on the Dak Ba stream (having the local name of Dak Bua), which is a level 1 line of the Dakdrinh River’s upstream that belongs to Son Bua and Son Mua communes, Son Tay district, Quang Ngai province.