VINAINCON is also a leading company implementing high-volt aged projects, including transmission line systems and substations from 110KV to 500KV. Especially, VINAINCON successfully completed the North and South 500KV super high-voltage transmission line. All major power plants in Vietnam such as Hoa Binh, Tri An, Vinh Son and Da Nhim Hydro power plants and Pha Lai, Uong Bi, Phu My, Ba Ria thermal plants… had been integrated into the national power grid systems.

In addition, most of the 35KV distribution power grids through the country were installed by VINAINCON, supplying electric energy for different industries, services and domestic usage.