Redflow will supply a 20MWh zinc-bromine flow battery energy storage system to a large-scale solar microgrid project in California.

At look at the fortunes, prospects and claims made by three energy storage technology firms that joined the SPAC-driven public listing wave.

Scale Microgrids Solutions will build a renewables microgrid for a Native American tribe in California, announcing the new project a few weeks after securing a US$225 million debt facility.

Zinc-air flow battery company Zinc8 Energy Solutions has won US$9 million in state tax credits for its new manufacturing facility in Ulster County, New York.

ZincFive, a US company developing nickel-zinc battery technology for applications including data centre UPS has closed a Series D round.

Long-duration energy storage (LDES) projects in the US will be able to compete for a share of “nearly US$350 million” of government funding.

Eos Energy Enterprises won’t meet 2022 guidance but expects revenue recognition to be pushed out into next year.

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.

The US state of California is providing US$31 million for a long duration energy storage project combining vanadium flow and zinc-hybrid batteries, the first grant from a US$380 million package.