HO CHI MINH CITY, June 8 (Xinhua) -- Work began Friday in Vietnam's southern Ninh Thuan province on construction of the country's biggest solar power plant with capacity of 168 MW and total investment of roughly 4,400 billion Vietnamese dong (nearly 194 million U.S. dollars).

Once becoming operational in June 2019, the plant will annually supply over 200 kWh of electricity to the national power grid, said its investor, a Singaporean-invested company named CMX RE Sunseap Vietnam.

Nearly 30 Vietnamese and foreign investors have been approved to build solar power plants in Ninh Thuan which has potential of tapping some 9,000 MW of solar energy, the provincial authorities said.

The provincial authorities noted that besides the power plant invested by CMX RE Sunseap Vietnam, three solar power plants with total capacity of 130 MW invested by other investors are under construction in the province.?