Nam Muc Hydropower Project

Project location: Nam Muc river - Dien Bien province
Construction time: 2006
Project manager: Nguyen Tri Trinh
Project tasks:
- Generating power with capacity of 44 MW
- Developing aquaculture, ecological tourism services
- Improving environment and climate of sub-region

Major technical parameters:
Headworks grade: II

Catchment area:
- Catchment area: 2,052 km²
- Total storage capacity: 27.7 million m³
- Dead storage capacity: 26.0 million m³
- Effective storage capacity: 1.7 million m³

Scale and structure of project works:

Non-overflow concrete dam
- Gravity concrete dam: Dam crest elevation: 302m, dam crest width: 8m, dam crest length: 207.50m, Hmax = 55.50m.

Spillway: Ophiserov, sill elevation: 285.07m, spillway width: 62.5m. Dimension: n(bxh) = 5x(12.5x12), Qmax (P=0.1%) = 66.25 m³/s.

Intake
+ Diameter: +5.5m
+ Design discharge: 123 m³/s

Hydropowerplant
+ Number of units: 02
+ Installed capacity: N = 44 MW
+ Annual average power output: 161.39 x 10⁶ KW/h
+ Maximum head: 50.90 m
+ Minimum head: 42.00m