Completion of capacity upgrade of Song May 500kV substation

At 4:15 p.m. on October 26, the National Power Transmission Corporation (EVNNPT), the Southern Power Project Management Board (SPMB) in coordination with relevant units successfully energized the AT1 500kV-900MVA transformer at Song May 500kV substation, increasing the total capacity of the substation to 2,300MVA.

This is a special-class, group B energy project, invested by EVNNPT, managed by SPMB, and operated by Power Transmission Company 4.

The project is implemented within the premises of the existing Song May 500kV substation in Bac Son commune, Trang Bom district, Dong Nai province.

The project scales of replacing 2 500kV - 600MVA transformers with 2 500kV - 900MVA transformers. Previously, the AT2 transformer had its capacity upgraded to 900MVA in December 2022.

AT1 500kV-900MVA transformer at Song May 500kV Substation was successfully energized - Photo: Le Linh.

With the energization of the AT1 transformer, the Song May 500kV Substation now has a total capacity of 2,300MVA including AT1 - 900MVA transformer, AT2 - 900MVA transformer, AT3 - 250MVA transformer, AT4 - 250MVA transformer.

The completion of the project contributes to meeting the electricity demand for the economic and social development of Dong Nai province and the Southeast provinces. In addition, it contributes to releasing the capacity of power plants in the South Central region, including renewable energy power plants; and improving the reliability and safety of power supply to the national power system.


  • 26/10/2024 04:43
  • Translator: Thu Hường
  • 109