China has established itself as a global leader in energy storage technology by completing the world’s largest vanadium redox flow battery project.
The 175 MW/700 MWh Xinhua Ushi Energy Storage Project, built by Dalian-based Rongke Power, is now operational in Xinjiang, northwest China.
Design of a vanadium redox flow battery system
This groundbreaking project promotes grid stability, manages peak electricity demand, and supports renewable energy integration. It also plays an important role in regulating energy supply and frequency, making it a key component of China’s sustainable energy future.
Rongke Power, a pioneer in flow battery technology, previously developed the 100 MW/400 MWh Dalian system in 2022, the largest of its kind at the time. The Dalian system is set to expand to 200 MW/800 MWh in its next phase.
With the completion of the Xinhua Ushi project, Rongke’s total global installation capacity for vanadium flow batteries now exceeds 2 GWh, the highest in the world.
The China Energy Conservation and Environmental Protection Group had larger projects on their vision including a 250 MW/1 GWh flow battery in Xinjiang and a 200 MW/1 GWh project by the China Three Gorges Corporation.
China is also leading in hybrid energy storage systems. Recently, the 500 MW/2 GWh Xinhua Wushi project, integrating lithium iron phosphate and vanadium flow batteries, began its first phase of operations. Once completed, it will be the largest hybrid energy storage project globally.
These developments showcase China’s commitment to moving forward energy storage technologies and achieving a greener, more reliable energy future.
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