In this news roundup, Eos and WATTMORE; Gotion and Gamma Technologies; Middle River Power and PowerTransitions; and Electra AI and MinTech are advancing battery energy storage system (BESS) technology in the US.

European battery manufacturer and energy storage system integrator InoBat plans to get a Nasdaq listing through a business combination with a special purpose acquisition company (SPAC).

ZincFive, a manufacturer of nickel-zinc battery systems for data centre and AI infrastructure applications, announced on 11 June that it will become publicly traded through a merger with special purpose acquisition company (SPAC) Spark I Acquisition Corporation.

The quarterly financial results of US non-lithium battery storage startups ESS Inc and Eos highlight their commercialisation strategies.

Stem Inc. and Energy Vault have revealed strategic changes and updates following recent listing warnings from the New York Stock Exchange (NYSE).

US zinc hybrid cathode battery storage manufacturer Eos Energy Enterprises has reaffirmed revenue guidance and expects to achieve a positive contribution margin this year.

Stem Inc has reaffirmed guidance of positive adjusted EBITDA for 2024, despite starting the year with a 62% year-on-year decrease in reported revenues and a fall in bookings.

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.