Vanadium flow battery supplier Invinity Energy Systems has signed a memorandum of understanding with the power and industrial systems arm of Korean conglomerate Hyosung Corporation to commercialise its batteries in South Korea and elsewhere.

Group co-owned by State Grid Corporation of China and Singapore Power has halted investment into a hybrid project in South Australia. 

Redwood Materials CEO JB Straubel told a US Senate hearing his company already receives approximately 6GWh of end-of-life lithium-ion batteries for recycling annually. 

Powin Energy is the latest international company to target rising opportunities in India.

e-Zinc, which claims its zinc metal-based battery technology could provide low-cost, long-duration energy storage has raised US$25 million. 

Californian investor-owned utility San Diego Gas & Electric has released its decarbonisation roadmap study.

Japanese conglomerate Mitsui & Co. has invested in a 1,300MW wind-plus-solar-plus-storage project development in India.

Zinc battery energy storage system provider Eos Energy Systems finished 2021 with an order backlog of US$148.7 million and a net loss for the year of US$124.2 million.

A 214 acre site which will host a battery cell gigafactory in Arizona, US, has been acquired by KORE Power.

Technologies from US V2G solutions company Nuvve and NGK’s sodium sulfur batteries will provide ancillary services and other grid stability applications in Japan.