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China Three Gorges Corporation: The country's largest full-vanadium redox flow battery energy storag
Release time:2026.06.23 Number of views:5

This project is located in Jimsaer County, Changji Hui Autonomous Prefecture, Xinjiang. The storage project has an rated power of 200,000 kilowatts and a storage capacity of 1 million kilowatt-hours. As one of the most promising long-duration energy storage technologies currently, the full-vanadium liquid flow battery of the power station achieves energy storage and release through the chemical reaction of "driving" vanadium ions between different valence states. Its principle is similar to "storing electricity in a liquid", featuring high safety, long cycle life, and strong scalability. 

During the construction of the Jimsaasar Million-Power Storage Project, a new type of energy storage technology had to integrate into the traditional power system. Although it belongs to the same category of chemical energy storage as lithium-ion battery storage, it faced challenges due to its late start, limited application, complex system, large scale, high difficulty in coupling multiple systems, and the scarcity of reference experiences from similar projects. This posed significant challenges for the key grid connection test and verification. 

Facing all these difficulties, the Xinjiang Branch of the Three Gorges Group coordinated and managed the project. The project team conducted experiments and adjusted parameters during the day, and reviewed data and studied the plan at night. They worked closely together from top to bottom and successfully completed the conversion to commercial operation by the end of May. 

This progress is over a month ahead of the expected timeline, with an increase in power generation of approximately 130 million kilowatt-hours. Deng Fubin, the project manager of the Jimsaer all-vanadium liquid flow power storage integrated project of the China Three Gorges Corporation Xinjiang Branch, explained. According to statistics, after entering commercial operation, the project's annual average power generation can reach 1.72 billion kilowatt-hours, saving approximately 519,000 tons of standard coal annually and reducing carbon dioxide emissions by approximately 1.424 million tons. 

"Next, we plan to comprehensively summarize and review the technical experience accumulated during the transfer process. We will continuously optimize and adjust various parameters of the power station, operate meticulously, and maximize the efficiency of the energy storage station. This will provide experience support for similar projects in China," said Deng Fubin. 

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