A grid-scale Vanadium-based flow battery was recently installed in Australia. https://www.abc.net.au/news/2023-06-23/vanadium-flow-battery-south-australia/1025

A grid-scale Vanadium-based flow battery was recently installed in Australia. https://www.abc.net.au/news/2023-06-23/vanadium-flow-battery-south-australia/102515616 https://www.abc.net.au/news/2023-06-23/vanadium-flow-battery... IIRC, this particular chemistry is an Australian development, as well.