Location: Nam Chien 2 and 3 Hydropower Plants are located on the Nam Chien River, in Ngoc Chien, Chieng Muon and Chieng San communes, Muong La district, Son La province.
Capacity: Total installed capacity 35MW.
Average annual electricity: About 145 million kWh.
The project stands out with its 135m high concrete arch dam design and a nearly 10km long water tunnel system, contributing to ensuring a stable power source for the Northwest region, while making the most of the local hydropower potential.