Recently, Suzhou's first BYD megawatt-level flash charging station was put into operation in Kunshan, marking a crucial step forward for Suzhou in the construction of flash charging infrastructure for new energy vehicles.

As Suzhou's first megawatt-level flash charging station, the station is equipped with one charging pile and two charging guns. Each gun has a maximum power of 1.5 megawatts, and the maximum power when both guns are charging simultaneously is 1 megawatt. A 5-minute charge can provide a range of over 400 kilometers, achieving almost the same replenishment speed as gasoline vehicles. The station adopted BYD's integrated energy storage and charging model, equipped with two self-developed energy storage cabinets with a total charging power of 600 kilowatts, a discharging power of 2 megawatts, and a total capacity of 380 kilowatt-hours, equivalent to an "electricity reservoir." This model can store low-cost electricity during off-peak hours and use the stored energy to quickly charge vehicles during peak hours, avoiding the impact of high-power charging on the power grid. Meanwhile, this system can also support continuous flash charging for up to 10 vehicles, effectively reducing waiting time for car owners.

Last November, the Kunshan Yunxiangcheng Shopping Mall submitted an application to add a 10kV 1600kVA transformer for the construction of a charging station. Upon receiving the application, the State Grid Suzhou Power Supply Company opened a green service channel for centralized charging and battery swapping facilities, completing the construction and power supply in less than three months.

"We also configured independent power receiving points for the flash charging stations to ensure they can enjoy the policy benefits of waiving demand electricity fees for centralized charging and battery swapping facilities," explained Gu Hao, a staff member of State Grid Suzhou Power Supply Company. "We also helped the stations optimize time-of-use electricity pricing during spring and autumn, effectively reducing operating costs by about 4% through scientific electricity usage plans, alleviating the operational pressure on the stations, and facilitating the faster and better promotion and application of flash charging technology." The integrated energy storage and charging characteristics of the flash charging stations also provide hardware support for subsequent vehicle-to-grid (V2G) interaction. Zhao Meng, a full-time marketing specialist with the State Grid Suzhou Power Supply Company, said that the company will also cooperate with BYD to accelerate the two-way interaction between flash charging stations and the power grid. By utilizing the energy storage resources of flash charging stations, the company can release electricity during peak periods to alleviate grid pressure and smooth load fluctuations. At the same time, the company will guide flash charging stations to participate in electricity market transactions and enjoy the benefits of reverse discharge electricity prices.