Long-Duration Energy Storage intelligence — updated daily.
China is rapidly advancing multiple gigawatt-scale energy storage projects, featuring hybrid vanadium and lithium systems, as well as massive vanadium battery manufacturing bases.
The global flow battery market is projected to grow at a 22.84% CAGR, reaching $3.88 billion by 2031, driven by renewable integration and long-duration storage mandates.
South Korea's KEPCO KDN and H2 have signed an MOU to integrate Vanadium Redox Flow Batteries with advanced Energy ICT, focusing on AI-driven ESS and microgrid platforms.
Invinity Energy Systems and FlexBase Group are developing the Laufenburg Technology Centre in Switzerland, integrating a massive 1.5 GWh vanadium flow battery system to support AI data centres and grid stability.
The UK's new cap-and-floor scheme has selected 16 long-duration energy storage projects, including a vanadium flow battery, to de-risk investments and accelerate deployment.
Dutch startup Phoenix Metals secured €4M to build a pilot plant that recovers battery-grade vanadium from steel waste, addressing Europe's critical mineral dependency.
A new EU tripartite agreement targets 30-35 GW of storage by 2028, but a massive 135 GW gap remains for 2030, driving investment into vanadium flow technologies.
XL Batteries has signed an MOU with ENEOS Holdings to develop its organic flow battery technology in Japan, offering a vanadium-free alternative for long-duration storage.
Invinity Energy Systems and FlexBase Group are developing a massive 1.5 GWh vanadium flow battery project in Switzerland, supported by UK government institutions.
Beyond vanadium, the flow battery landscape is diversifying with organic and soluble lead chemistries. Recent partnerships and pilot deployments highlight the global push for safe, low-cost, and sustainable long-duration storage.
China dominates global vanadium production, while energy storage applications are rapidly capturing a larger share of the market. Understanding the demand structure and CAPEX is vital for VRFB investors.
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.