1.2 GW Bac Ai Pumped Storage Hydropower Plant: A Major Step Forward for Vietnam’s Energy Sector

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Vietnam Electricity (EVN) together with a consortium of contractors have been awarded contracts for the construction of the 1.2 GW Bac Ai Pumped Storage Hydropower Plant Project. The project, worth US$826 million is expected to begin construction later this year. It will be located in Located in Bac Ai district, Ninh Thuan province and have four turbines and generators. The consortium of contractors awarded include Song Da Corporation, Lung Lo Construction Corporation, LILAMA 10 JSC, SCI E&C JSC and Construction JSC 47. Additionally, Truong Son Construction Corporation, and Vietnam Construction and Import – Export Joint Stock Corporation.

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Bac Ai Pumped Storage Hydropower Plant completion date

If construction goes as scheduled, operations will begin in December 2029. The full project will be competed in May 2031. This is because the project will be completed in units. The first unit will begin operation in December 2029 and the second in April 2030. The third unit will go on in August 2030, and the fourth in December 2030.  Additionally, each of the generators will have a capacity of 300 MW/unit. The prime minister of Vietnam approved the Bac Ai Pumped Storage Hydropower Plant Project in Ninh Thuan Province in the National Power Development Plan for 2021 – 2030, with a vision to 2050.

Project Overview

Location: Bac Ai district, Ninh Thuan province

Capacity: 1.2 GW

Number of turbines: 4

Developer: Vietnam Electricity

Completion date: May 2031

Details on the project

Details on the other construction processes include constructing and installing of main project equipment. This includes the pressure tunnel, upstream pressure tower, underground factory and 500 kV distribution station. Moreover, downstream valve tower, the discharge tunnel, downstream pressure tower. Underground construction tunnels and alleys and roads serving construction and operation will also be built.  Furthermore, a 22 kV construction power supply system will also be required to be constructed. Other works include the construction and domestic water supply system, auxiliary works and construction camps.

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