China’s 100 MWh Sodium-Ion Energy Storage System: A Game-Changer in the Global Race for Clean Energy

On July 2, 2024, China’s state-owned power generation enterprise, Datang Group, successfully connected the first phase of its 100 MW/200 MWh sodium-ion energy storage project in Qianjiang, Hubei Province. This milestone marks a significant achievement for the country’s energy storage industry and makes it the world’s largest operating sodium-ion battery energy storage system.

The project consists of 42 battery energy storage containers and 21 sets of boost converters. It utilizes large-capacity sodium-ion batteries supplied by China’s HiNa Battery Technology and is equipped with a 110 kV transformer station. The success of this project demonstrates China’s commitment to developing and deploying innovative energy storage solutions to meet the growing demand for clean and reliable power.

Prior to this achievement, the largest operational sodium-ion system was China Southern Power Grid’s Fulin 10 MWh BESS project in Nanning, southwestern China. This project is part of a larger 100 MWh project that also uses HiNa Battery’s cells. The success of both projects highlights the importance of collaboration between industry leaders and governments in advancing energy storage technology.

Datang Group stated that the Qianjiang project faced numerous challenges during its construction phase, but the team overcame them through perseverance and innovation. The success of this project demonstrates the potential for large-scale sodium-ion battery systems to revolutionize the way we store and distribute electricity in China and beyond.

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