US energy storage system integration services and software company FlexGen has raised US$100 million in a Series C funding round.

Nearly A$4 billion (US$2.72 billion) of battery projects in Australia are in the running to receive financial support from ARENA.

A 300MWh compressed air energy storage system capacity has been connected to the grid in Jiangsu, China.

News in brief from around the world in energy storage.

A “novel and innovative” technology which uses CO2 as a medium to store energy could be made using off-the-shelf equipment and made available to the market as early as next year, the company behind it has said. 

News in brief from around the world in energy storage.

Nickel-hydrogen batteries have been used in space for several years, but a California company adapting the technology for storing energy here on earth has raised US$100 million in a Series A funding round. 

Energy Vault has become the latest startup with a novel, non-lithium battery energy storage technology to attract significant investment, raising US$100 million through a Series C funding round. 

Form Energy has closed its Series D financing round, with investors including steel company ArcelorMittal putting US$240 million into the Boston-headquartered iron-air battery startup. 

Breakthrough Energy Ventures was among investors in a Series C funding round for Reactive Technologies, a company which has developed a means to measure “fundamental grid stability parameters in real-time,” offering visibility to renewable energy and energy storage asset developers and system planners.