Energy-storage.news caught up with executives from two long-duration flow battery energy storage providers, ESS Inc. and Invinity Energy Systems, at the Energy Storage Summit 2022.
The US Department of Energy’s Pacific Northwest National Lab (PNNL) has made a third semi-exclusive commercial licence for vanadium redox flow battery technology available.
Redflow has reported a significant rise in revenues from its zinc-bromide flow batteries but the Australian company noted that it expects to remain “cash-flow negative for some time”.