The forerunner of Power Engineering Consulting Joint Stock Company 4 was Southern Power Planning and Designing Sub-Institute established on July 14^th, 1976, which was the first unit in the Southern Viet Nam to perform survey, engineering design of power networks after the Resolution Day.

On June 3^rd, 1999, the Minister of Industry issued the Decision No. 33/1999/QD-BCN to establish Power Engineering Consulting Company 4, a member company of Electricity of Vietnam. In 2007, Power Engineering Consulting Company 4 was successfully transferred as Power Engineering Consulting Joint Stock Company 4, Viet Nam Electricity holds governing shares.

Power Engineering Consulting Joint Stock Company 4 is one of the top power engineering consulting companies of Viet Nam Electricity. Power Engineering Consulting Joint Stock Company 4 has carried out consulting survey, designing hundreds of hydropower projects and power network projects in nationwide and neighboring countries such as Laos, Cambodia; significantly contributing to the construction and development of the electricity industry of Vietnam; satisfying the power needs for socio-economic development of the country.