📋 Tender Overview
On July 16, the National Power Transmission Corporation (EVNNPT) and the Power Transmission Project Management Board (NPTPMB) coordinated with relevant units to successfully energize the 500 kV AT1 transformer with a capacity of 900 MVA and related items under the project of installing the second 500 kV-900 MVA transformer and the 220 kV-250 transformer. MVA Duc Hoa 500 kV transformer station and connection. Download the 2nd 500 kV-900 MVA Transformer at Duc Hoa 500 kV Transformer Station - Photo: EVNNPT This is an important milestone in the process of improving power transmission capacity, contributing to ensuring safe, continuous and reliable power supply, serving socio-economic development in the southern region. Before energizing, the investor-level Acceptance Council organized a comprehensive inspection of legal procedures, acceptance and payment conditions. electricity, completion documents and construction site with the participation of representatives of the investor, Power Transmission Company 4 (PTC4), design consultants, supervision consultants, construction contractors, equipment suppliers and related units. This project is invested by EVNNPT, NPTPMB is assigned to manage and operate, and is implemented at the existing 500kV Duc Hoa substation, located in Hoa Khanh Dong commune (Duc Hoa district, former Long An province), now Hoa Khanh commune, Tay Ninh province. The project is invested and built to improve the ability to supply electricity to Tay Ninh province, Ho Chi Minh City and neighboring provinces, while strengthening the 500m power grid connection. kV, improving the stability and safety of the national power system. RELATED NEWSEVNNPT energizes 2 projects to enhance electricity security for Tay Ninh province and Dong Nai cityEVNNPT and EVNNPC coordinate to accelerate power supply projects for Bac Ninh provinceEVNNPT focuses on maintaining national power transmission security during peak heat waves Overcoming historic heat waves, EVNNPT maintains the lifeblood of Northern power transmission According to the investors representative, the project has a total investment of more than 688 billion VND with the installation scale of one transformer 500/220/35 kV capacity 900 MVA (3 single-phase transformers 300 MVA), one 220/110/22 kV transformer capacity 250 MVA, installation of equipment for 500 kV, 220 kV and 110 kV feeders; Adding control, protection, SCADA, communications, fire protection systems and synchronous connection line items. Previously, in December 2025, the 220 kV transformer with a capacity of 250 MVA was successfully energized. After completing energization, Duc Hoa 500 kV substations capacity was increased to 2,050 MVA (2x900 MVA + 250 MVA). This is a project of special importance, contributing to ensuring safe and stable power supply to serve the socio-economic development of provinces and cities in the Southern region and contributing to completing EVNNPTs construction investment plan. The projects success continues to affirm its management capacity. project management and administration of NPTPMB; Effective coordination between investors, operators, consultants, contractors and partners in implementing EVNNPTs key power transmission projects. This is also the motivation for NPTPMB staff and workers to continue promoting the spirit of solidarity, innovation, creativity, and determination to complete projects on schedule, contributing to ensuring national energy security and serving the countrys sustainable development. Toan Thang
