Nam Chien 2 Hydropower Plant is located next to the Son La Hydroelectric Plant in Chieng San Commune, Muong La District, Son La Province. The plant has 32MW capacity including 2 turbines (16MW each).
The project consists of 4 main categories: 105,000m3 concrete with gravity concrete, 75m maximum dam height, 3 spillway dams using 10 x 8m supply valve and water tunnel. The pressure gauge is 2,300m long, 4m in diameter and over 200 md in armor. The canal is located on sandy gravel clay gravelly treatment. The 6km long110KV line connects the plant's outdoor distribution station with the 110KV Muong La 110KV substation.
The project was started in early 2007, the units installed more than 700 tons of equipment. At 8:15PM on October 9,2009, Turbine H1 of the Nam Chien 2 hydropower plant was start running testing program. After 72 hours of testing, turbine H1 has officially started supplying the National electricity networks.
