- Producing and trading electricity.

- Investing in power source and grid projects.

- Management, operation, repair and renovation of architectural works, equipment of hydroelectric plants and transformer stations.

- Testing and adjusting electrical equipment.

- Provide training services, factory operation.

- Other businesses under business license.

- 1971: Thac Ba Hydropower Plant was established;

- March 04, 1995: Belonged to Electricity Viet Nam (EVN);

- March 30, 2005: Renamed as Thac Ba Hydropower Company;

- March 31, 2006: Transformed into Thac Ba Hydropower Joint Stock Company;

- August 29, 2006: Traded on Hanoi Stock Exchange (HNX);

- September 07, 2009: Delisted from Hanoi Stock Exchange (HNX);

- October 19, 2009: Traded on Ho Chi Minh Stock Exchange (HOSE);