HEC

Spillway

Intake

Main dam

Ham Thuan - Da Mi hydropower project locates on La Nga river basin belonging to Dong Nai river basin. Ham Thuan hydropower reservoir is on Lam Dong and Binh Thuan provinces with reservoir surface area at normal water level (+605) of about 25.2 km². Da Mi hydropower reservoir is a daily one, the lower step of Ham Thuan hydropower project. The two projects are away from each other about 10 km. Ham Thuan - Da Mi hydropower project is away from Ho Chi Minh city about 200 km.

Ham Thuan hydropower project consisting of 2 units with capacity of 300 MW was commenced in 1997 and put in operation in 2001. Similar to Ham Thuan hydropower project, Da Mi hydropower project consists of 2 units with capacity of 175 MW.

The two projects are equipped with advanced technological equipment made in Japan, USA, Canada, Italia, etc.

Major parameters of Ham Thuan hydropower project:

Reservoir:
Normal water level: +605

Dead water level: +575

Total storage capacity: 695 x 10⁶m³

Effective storage capacity: 523 x 10⁶m³

Dam:
01 main dam and 04 auxiliary dams;

Main dam:

Type: Rockfill, central impervious core

Height: 93.5 m

Crest elevation: +609.5

Crest length: 686 m

Auxiliary dams are homogeneous ones.