Power Engineering Consulting Joint Stock Company 4 has been contracted to provide Technical Design Consultancy for Vietnam's first Pumped Storage Hydropower Plant

On April 29, 2021, Power Engineering Consulting Joint Stock Company 4 (EVNPECC4) received a contract from Vietnam Electricity (EVN) to provide Technical Design (TD), Detailed Design (DD), estimation, and bid document preparation services for the Bac Ai Pumped Storage Hydropower Plant (Phase 2). The contract has a total value of 102.3 billion VND and is expected to be completed in 2021.

At the contract signing ceremony, the EVN representative congratulated EVNPECC4 on being selected for the TD phase contract and expressed absolute confidence in their capabilities and experience in hydropower consultancy, particularly in pumped storage hydropower. They acknowledged EVNPECC4's profound understanding of the project and believed that, with the assistance of TEPSCO subcontractor, the project would be successfully completed on schedule and with high quality.

The Bac Ai Pumped Storage Hydropower Plant is Vietnam's first pumped storage hydropower project, with EVN as the investor. EVNPECC4 has been involved in researching and developing the project since 2006. They have conducted surveys, prepared investment reports, developed investment project, and created TD/DD for the outlet works. By the end of the first quarter of 2021, the outlet works of the project's Phase 1 had been completed and accepted, ensuring the water accumulation plan for the lower reservoir of the plant, located on the Cai River.

This project has a capacity of 1200 MW, consisting of four generator units, each with a capacity of 300 MW, and the entire plant and power transmission lines are underground. The designed water head of the project is approximately 400 meters, with an upper reservoir as an artificial lake and a lower reservoir combined with the Song Cai irrigation reservoir, part of the Tan My irrigation system project, which is currently undergoing water accumulation.

The project will commence in 2022 and be operational between 2026 and 2028, following the National Power Development Plan. Once in operation, it will stabilize the power system and balance the power demand.