“Modernize to ensure energy security
for sustainable development”

The National Power Transmission Corporation (EVNNPT) is responsible for development and operation of the nation-wide power transmission system.

EVNNPT is committed to international and national standards and regulations. With the dedication of a united team holding strong belief and whole-heartedness in business we take the highest care of every client, in a transparent manner, ensuring top quality service and enabling economic, social and environmental effectiveness in every move of the nation.

As one of the leading power transmission companies in ASEAN, we are making every firm step forward in technology and management to become an advanced power transmission company in the Asia and the world.

Lines of Business

Implement the power transmission activities in accordance with the electricity license

Manage, operate, repair and maintain the national grid and transmission systems

Invest and develop transmission systems

Automation and control

Develop human resources for the development and management of transmission systems

Provide consultant services for construction and investment, project management, supervision and implementation of transmission systems, telecommunication and information technologies projects

Businesses related to the core business

Construct and install power transmission projects

Manufacture transmission, telecommunication and information technologies equipment

Import, export and trade transmission, telecommunication and information technologies equipment and materials

Manufacture and supervise the installation of telecommunication and information technologies equipment

Manage, operate and maintain internal telecommunication systems

Provide information technologies services

Operate sanatoria

Machinery and equipment leasing

Operation of regulating agencies

Office leasing

As of June 2022

EVNNPT is managing and operating total of

28.612 km

10.053 km of 500 kV lines
18.559 km of 220 kV lines
34 TBA 500 kV
142 TBA 220 kV


cadres, engineers, skilled workers

As of June 2022, EVNNPT has been managing and operating 28,612 km of transmission lines (including 10,053 km of 500 kV and 18,559 of 220 kV), 138% higher compared to the figure since EVNNPT establishment (2008); 176 substations (including 34 ones of 500 kV and 142 ones of 220 kV), with the total capacity of 115,650 MVA, 159% higher in terms of substations and 351% higher in terms of capacity compared to the figures since its establishment.

The national power transmission system has reached all the provinces and cities nation-wide, and is now interconnected to the regional transmission grids with up-to-date technologies applied such as multi-circuit and multi-voltage levels transmission lines, 220 kV underground cable, 220 kV GIS substation, unmanned substations, digital computer-based integrated control system, fault locators, online oil monitoring system, SCADA system, etc.

In 2020, EVNNPT has completed its strategic objective, become one of 4 leading power transmission utilities in ASEAN (as evaluated by SIEMENS AG).

With nearly 7,100 staff, technicians and skilled workers 24/24 hours managing and operating the high-voltage and ultra high-voltage power system, of an up-to-date technologies, EVNNPT alsway strives at the highest to ensure a safe, uninterrupted, and stable operation of power transmission system for the economic, political, social activities, national defense, security and Vietnam's power market./.