Massive 20 GWh sodium-ion battery manufacturing plant announced in China

After last year’s slowdown, investment in China’s sodium-ion battery sector is rebounding in 2025, and one of the biggest projects yet has now entered the development pipeline.
Image: China Southern Power Grid Energy Storage

From ESS News

While many lithium-ion battery manufacturers in China are sold out and struggling to keep pace with demand from the energy storage sector, investment is increasingly flowing not only to the ubiquitous lithium-ion technology but also, and substantially, to its key contender: sodium-ion batteries.

With the pipeline of sodium-ion manufacturing plants relentlessly expanding, Guangde Qingna Technology Co., Ltd. officially signed an agreement on Nov. 20 for its 20 GWh sodium-ion battery production project in the Suining Economic and Technological Development Zone, Sichuan Province.

The project represents a total investment of CNY 6 billion ($835.98 million). Once completed, it is expected to create synergies with existing sodium-ion industrial chain projects in the zone.

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Comments

Jubal
Nov 27, 2025

Huge battery manufacturing expansion in U.S. for EVs is being cut back because of low demand. Perhaps the excess capacity can be redirected to grid arbitrage. It could make the grid more stable, reduce the need for transmission capacity expansion, and perhaps even pay for itself. I like projects and technologies that pay their own way without subsidies.