Invinity Energy Systems and Eos Energy Enterprises are providing long duration energy storage systems to the ‘biggest renewables microgrid project in the US’, being developed for the Viejas Tribe of Kumeyaay Indians in Southern California.

Riyadh-based Tdafoq Energy will distribute Indian firm Delectrik Systems’ vanadium redox flow battery products in Gulf Cooperation Council (GCC) markets and set up a manufacturing facility in Saudi Arabia.

Japanese petroleum firm Idemitsu has invested in a vanadium mining, processing and electrolyte production project in Australia, while two other major vanadium projects have progressed.

Vanadium flow battery company Invinity Energy Systems has sold a 1.3MWh system to Kinetic Solution for a microgrid project serving a data centre in Arizona.

Flow battery companies Redflow and Invinity Energy Systems are targeting the US market through partnerships with third parties.

SPAC Mustang Energy PLC is increasing its effective stake in CellCube to around 25% while a company launching a vanadium mine project in Australia has injected US$3.5 million in a new flow battery maker.

Largo Clean Energy, part of vanadium primary producer Largo Resources, and Ansaldo Green Tech are exploring the potential of a joint venture for deploying vanadium flow batteries.

VoltStorage, a developer and maker of energy storage systems using vanadium flow batteries, has raised €24 million (US$24.3 million) in a Series C.

South African energy company Kibo Energy will procure two vanadium redox flow battery system pilot projects from CellCube, the first step in a larger rollout.

Cellcube has signed a five-year agreement with an energy asset developer to deploy 1GW-plus of its vanadium redox flow batteries (VFRBs) in Southern Africa, but CEO Alexander Schoenfeldt tells Energy-Storage.news the company’s supply chain has a long way to go before getting to that kind of number.