Completion of Energy Storage System Installation on Hanoi's Power Grid
The Hanoi Power Corporation (EVNHANOI) has officially completed the installation and commissioning of five Battery Energy Storage Systems (BESS) with a total capacity of 50 MW/100 MWh at five 110 kV substations across the city. This marks a significant milestone as the first large-scale energy storage technology application in the capital, contributing to enhanced reliability and stability of the power system.
A Breakthrough in Hanoi's Energy Sector
The successful deployment of the five BESS systems represents a crucial step in modernizing Hanoi's power grid. With a total installed capacity of 50 MW and 100 MWh of storage capacity, these systems will play a pivotal role in balancing electricity supply and demand, regulating frequency, and stabilizing the power grid, particularly during peak hours or when failures occur.
Mr. Nguyen Anh Tuan, Director of EVNHANOI, stated: "The implementation of large-scale energy storage technology in Hanoi is a strategic decision that demonstrates the electricity sector's commitment to applying advanced technology to improve service quality and ensure energy security for the capital."
BESS Technology and Its Benefits
The Battery Energy Storage System (BESS) is an advanced solution that stores electrical energy in chemical form, which can then be returned to the grid when needed. This technology can rapidly respond to grid fluctuations, support precise frequency regulation, and provide auxiliary services essential for the power system.
The key benefits of implementing BESS systems include:
- Providing frequency regulation services to stabilize grid frequency
- Supporting voltage regulation at low-pressure points
- Balancing power during peak and off-peak hours
- Providing backup power during fault conditions
- Optimizing power plant operations and minimizing overload situations
- Supporting the integration of renewable energy sources into the grid
Detailed Information About the BESS Systems
All five BESS systems are installed at important 110 kV substations throughout Hanoi, including:
| No. | Substation | Capacity (MW) | Storage Capacity (MWh) | Location |
|---|---|---|---|---|
| 1 | Xuan La 110 kV Substation | 10 | 20 | Tay Ho District |
| 2 | Minh Khai 110 kV Substation | 10 | 20 | Hai Ba Trung District |
| 3 | Thanh Xuan 110 kV Substation | 10 | 20 | Thanh Xuan District |
| 4 | Cau Giay 110 kV Substation | 10 | 20 | Cau Giay District |
| 5 | Hoang Mai 110 kV Substation | 10 | 20 | Hoang Mai District |
Impact on Hanoi's Power Grid
The operation of the five BESS systems will bring numerous positive impacts to Hanoi's power grid:
- Enhanced reliability: These systems can provide instant backup power during failures, minimizing power outage durations for residents and businesses.
- Frequency stability: Helps maintain grid frequency within allowable limits (±0.2 Hz), ensuring better power quality.
- Operational optimization: Enables flexible adjustment of power output from various sources, reducing overload situations in key areas.
- Renewable energy support: Creates favorable conditions for connecting and developing renewable energy sources such as solar and wind power to the grid.
Future Development Plans
According to EVNHANOI's plans, the implementation of energy storage technology will continue to expand in the coming years. By 2025, the Corporation aims to install additional BESS systems with a total capacity of approximately 100 MW/200 MWh at other substations throughout Hanoi.
Additionally, EVNHANOI is researching the application of large-scale energy storage technology in industrial parks and clusters to support the capital's industrialization and modernization process.
Conclusion
The successful completion of the installation and operation of five BESS systems with a total capacity of 50 MW/100 MWh represents a significant advancement, marking a strong transformation of the capital's electricity sector in applying advanced technology. This is not only an effective solution to enhance grid reliability and stability but also an important foundation for Hanoi's sustainable energy transition in the coming years.
Energy storage technology is becoming an indispensable component of modern power systems, and with the success of this project, EVNHANOI has demonstrated its pioneering role in applying advanced technological solutions to serve the socio-economic development of the capital.
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