The developments, at a cost of some $20 million, are the 7.5 MW Nam Chim 2 plant and the 8.9 MW Nam Chim 3. A schedule has not been disclosed.

In addition, Hoa Long Co, another privately-owned enterprise, is set to develop the 1.9 MW Doal 3 hydro plant in the central highlands provinces of M,Drak district.

In related news, The PetroVietnam Finance Co has signed a $25 million finance agreement with the Song Da Corp for the development of the Nam Chien hydro station, also in Son La province.