Invinity has begun manufacturing the VS3 batteries that will comprise the vanadium flow battery (VFB) system at its Motherwell factory in Scotland. Construction is expected to begin in the second half of 2025. Operation is expected to begin in 2026.
[pdf] The Asia Pacific region dominates the global flow battery market, holding nearly 47% of the global share in 2026 and projected to grow at a CAGR of over 20% through 2033 This leadership is driven by robust government policies promoting renewable energy integration, significant investments in research and development, and large-scale pilot projects across China, Japan, India, and Australia.
[pdf] China’s first megawatt iron-chromium flow battery energy storage demonstration project, which can store 6,000 kWh of electricity for 6 hours, was successfully tested and was approved for commercial use on February 28, 2023, making it the largest of its kind in the world.
[pdf] 
