Tags Trung Son hydropower plant 19 new lines start supplying power to south Thursday, Jun 22, 2017 The Southern Power Corporation of the Electricity of Viet Nam (EVN SPC) has begun using 19 110kV power lines, built at a cost of VND2.63 billion (US$115.8 million), this year. Hydropower plant’s second turbine starts generating power Wednesday, Mar 22, 2017 The Trung Son hyower plant’s second turbine, in the central province of Thanh Hoa, began generating electricity for the national grid on Tuesday.