Eos Energy Enterprises, ESS Inc and Energy Vault have increased their revenues and narrowed losses, according to financial results from the three ‘non-lithium’ energy storage companies.

Another look at the fortunes of a trio of long-duration energy storage (LDES) providers with non-lithium technologies.

The four most high-profile energy storage system (ESS) companies that listed via SPAC mergers – Eos, Energy Vault, ESS Inc and Stem – have seen their share prices fall by an average of 80% since going public.

Electriq Power, a US provider of battery storage solutions, has secured a deal that could be worth more than US$300 million.

Energy Vault has got its New York Stock Exchange (NYSE) listing after the gravity-based energy storage company’s merger with special purpose acquisition company (SPAC) Novus Capital Corporation II completed. 

Gravity-based energy storage technology company Energy Vault has formed a strategic partnership with non-ferrous metals smelting and refinery company Korea Zinc, including a US$50 million investment commitment. 

Gravity and kinetic energy storage startup Energy Vault and ‘thermal pumped hydro’ startup Malta Inc have both said this week that their technologies could be set for gigawatt-hour scale deployments.

Shares and warrants of iron flow battery provider ESS Inc have commenced trading on the New York Stock Exchange (NYSE). 

A framework agreement for the deployment of 2GWh of iron electrolyte flow batteries has been signed between manufacturer ESS Inc and SB Energy, the clean energy arm of Japanese telecoms giant Softbank.

US$100 million has been invested into North American lithium-ion battery recycling specialist Li-Cycle by a venture capital (VC) subsidiary of fossil fuels industry giant Koch Industries.