Huoi Quang Hydropower Plant Project

1. General

Name of project:

Huoi Quang Hydropower Plant Project

Investor :

Vietnam Electricity

Project manager:

Huoi Quang – Ban Chat Hydropower Company

Project location:

  • Reservoir and headworks in Than Uyen District, Lai Chau Province.
  • Powerhouse in Muong La District, Son La Province

Total investment:

 VND 11,773 billion 

Investment sources:


Project scale:


Number of units:

02 x 260MW

Annual Output:

1.9 billion kWh

Huoi Quang Hydropower Project is the first underground complex designed and constructed by Vietnamese consultant and contractors. It includes two 4.2km long, 7.5m internal diamter headrace tunnels and an underground powerhouse. It is also a large scale project of the hydropower cascade on Da River, ranking below Son La HPP (2400MW), Hoa Binh HPP (1920MW) and Lai Chau HPP (1200MW).

Besides supplying an annual output of 1.9 billion kWh for national grid, the project objectives are water regulation for downstream Hong River delta, and a stimulus for socio-economic development of the North West region, especially for Lai Chau and Son La province.

2. Project schedule

  • Ground breaking ceremony: 8 January 2006
  • River closure: 27 January 2011
  • First inundation: 1 November 2015
  • Operation of 1st unit: 31 December 2015
  • Operation of 2nd unit: 19 June 2016

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