- Generation, transmission, distribution (including dispatching the power distribution system), and trading of electricity;
- Import and export of electric power;
- Investment and capital management in the power projects;
- Management, operation, repair, maintenance, overhaul, rehabilitation and upgrading of the electrical, mechanical equipment, control and automation system of the production line, transmission and distribution of electricity, power works, and electrical testing;
- Consultancy on project management, survey and design, investment projects, bidding, estimation, appraisal and supervision of power source projects, power line, and substation projects.
Supplying power for the country's socio-economic development needs, EVN currently manages:
- Power generation: EVNGENCO 1, 2, 3, and nine hydropower/thermal power companies
- Power distribution and business: Northern Power Corporation (EVNNPC), Central Power Corporation (EVNCPC), Southern Power Corporation (EVNSPC), Ha Noi Power Corporation (EVNHANOI), and Ho Chi Minh City Power Corporation (EVNHCMC).
- Power transmission: National Power Transmission Corporation (EVNNPT).