Tags Song Hau Thermal Power Plant Project 1 Song Hau 1 Thermal Power Plant to begin commercial operation in 2021 Wednesday, Jul 29, 2020 The Song Hau Thermal Power Plant Project 1 has two machine units with a total capacity of to produce a total output of 7,800 GWh per year. Its commercial power output is estimated to reach 7,301 GWh per year.