Project Introduction
Project Name:
Implementation of Two 261 kWh BESS Units at an EV Charging Station
Location:
Phu Tho Province, Vietnam
Implementation Time:
October 2025
Implementing Unit:
GG Industries
2. Project Objectives
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Stabilize EV charging capacity during peak hours.
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Reduce electricity costs through energy storage and off-peak utilization.
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Improve the efficiency of renewable energy use (when integrated with a solar system).
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Contribute to local grid load reduction and enhance operational reliability.
3. Key Technical Specifications
| Item | Details |
|---|---|
| System Capacity | 261 kWh |
| Battery Type | Li-ion (LFP) |
| PCS | 125 kW |
| Features | Bidirectional charge/discharge, intelligent control via EMS |
| Monitoring System | Remote monitoring through IoT platform |
| Safety Protection | Integrated BMS, fire & explosion prevention, circuit and overvoltage protection |
4. Challenges & Solutions
Challenges
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Large fluctuations in EV charging load cause significant stress on the grid.
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Limited medium-voltage line capacity in the area.
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Ensuring absolute safety when integrating batteries with DC fast-charging systems.
Solutions
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Optimize the design of a distributed energy storage system.
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Integrate an Energy Management System (EMS) for intelligent power coordination.
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Install remote monitoring and early-warning systems for battery and system performance.
5. Achieved Results
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Reduced station operating costs by up to 30% through off-peak power utilization.
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Maintained 100% stable charging output during peak hours without interruption.
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Reduced local grid load by approximately 250 kW during peak hours.
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Contributed to promoting a greener, cleaner, and more modern image for Phu Tho City.
