On the afternoon of September 19, 2023, the Ho Chi Minh City Power Corporation (EVNHCMC) successfully energized and commissioned the 110kV transmission line connecting to the 110kV Tan Phu Trung Substation. This officially brought the Tan Phu Trung 110kV Substation and its connecting transmission line into operation, supplying power to the Tan Phu Trung Industrial Park and various loads in Cu Chi District, especially supporting green technology investors operating in Ho Chi Minh City.
The 110kV Tan Phu Trung Substation project is one of the first projects by EVNHCMC to utilize PROCESS BUS technology—a digital substation technology. The data acquisition system for monitoring, control, and operation within the project employs digital technology, significantly reducing the amount of secondary circuit construction compared to traditional methods. This technology also enhances operational stability and aligns with the trend of digital technology application across all fields.

An overview of the 110kV Digital Substation Tan Phu Trung, located in the Tan Phu Trung Industrial Park, Cu Chi District, Ho Chi Minh City.
The 110kV Tan Phu Trung Substation has an initial investment scale of 1×63 MVA capacity in Phase 1. In the future, based on the area’s load development plan, the corporation will increase the substation’s capacity to 2×63 MVA to meet load demand and ensure timely and efficient power supply for Cu Chi District.

Equipment at the 110kV Tan Phu Trung Substation
According to EVNHCMC, the 110kV Digital Substation Tan Phu Trung fully meets the technical requirements for grid operation, enabling the control and monitoring of equipment in a digital environment. The digital substation helps reduce power outage durations, minimize the risk of short-circuit incidents, enhance power supply reliability, simplify repair and maintenance processes, and lower maintenance and servicing costs.
The commissioning of the 110kV Tan Phu Trung Substation and its connecting transmission line contributes to realizing the Ho Chi Minh City People’s Committee’s policy of facilitating investment from economic corporations, investors, and businesses both domestically and internationally into the city.

Inside the 110kV Tan Phu Trung Substation