Long-duration energy storage project development and commissioning worldwide
The global long-duration energy storage sector is witnessing rapid project commissioning. Major milestones include China's largest vanadium flow battery station and Australia's first grid-connected sodium-sulfur system.
Queensland has granted final environmental approval for a multi-billion-dollar critical minerals precinct near Mount Isa to secure domestic vanadium supplies, while in the US, Google and partners announce a massive solar-plus-LDES project in West Virginia.
The Xinjiang Jimusar All-Vanadium Liquid Flow Battery Energy Storage Station has entered commercial operation, marking a major milestone for large-capacity long-duration storage in China. This aligns with the nation's booming vanadium supply chain and regional project accelerations.
China is witnessing a surge in vanadium redox flow battery projects, including a 200MW/800MWh station in Yunnan and a 2GW manufacturing base in Nanyang. The electrolyte leasing model is also gaining traction.
Google, MN8 Energy, and Eos Energy Enterprises are developing the $350 million Mammoth Solar project in West Virginia, featuring a pioneering 100 MWh zinc-based long-duration energy storage system.
International collaborations are driving the commercialization of advanced flow battery technologies, with key partnerships in Australia, Europe, and the US targeting massive GW-scale deployments and diverse industrial applications.
China is rapidly advancing multiple gigawatt-scale vanadium redox flow battery projects, with major developments in Yunnan, Xinjiang, and Shaanxi highlighting the technology's growing role in grid balancing and renewable integration.
A massive 800 MW / 1.6 GWh vanadium flow battery project is under construction in Laufenburg, Switzerland, aiming to support AI data centers and grid stability.
The U.S. Department of Energy has authorized NOMAD Power Solutions to begin construction on a $19 million transportable LDES project in Vermont.
A major solar-plus-storage project in West Virginia will feature 100MWh of zinc-based long-duration energy storage, marking a significant step for LDES commercialization.
China Three Gorges Corporation is developing a major all-vanadium redox flow energy storage project in Jimsar, Xinjiang, integrating photovoltaic power generation with long-duration storage to supply clean energy to thousands of households.
MN8 Energy, Google, and Eos Energy Enterprises have announced a major integrated clean energy project in West Virginia, featuring a commercial-scale zinc-based long-duration energy storage system.