A groundbreaking ceremony was held last Wednesday for an energy storage project in China’s Inner Mongolia Autonomous Region, trade group Vanitec reports.
The $300m Dengkou Renewable Energy Storage Project is being built by local contractor Mengneng Group and developed by the Inner Mongolia Energy Group, an investment company that specialises in electrical projects.
The facility is being built near Bayannur City, close to the border with the state of Mongolia. It will create a battery sustem that uses a combination of vanadium flow and lithium ion.
Vanadium flow is a type of rechargeable energy storage technology that uses atoms of the metal vanadium as charge carriers. They are relatively cheap, scalable and robust, but also bulkier than lithium ion units.
This battery will be extremely large, able to store 1.4GWh of power. This makes it the largest single-capacity energy storage station under construction in China.
The storage facility is intended to support the large-scale development of renewable energy in the autonomous region.
In June, Three Gorges Renewable Group announced plans to invest $11bn in new energy projects in Inner Mongolia, including 8GW of solar, 4GW of wind and 4GW of coal, along with 5GW of storage.
Work on this project is due to begin this month. When complete, it will supply largely green energy to the Beijing–Tianjin–Hebei cluster.
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