eos

December 3, 2025
Solar Media analyst Charlotte Gisbourne assesses the outlook for the major listed non-lithium battery energy storage technology companies.
November 27, 2025
US zinc battery storage manufacturer Eos Energy Enterprises has completed two financing transactions totalling over US$1 billion to strengthen its financial position and fund expansion.
October 28, 2025
Eos announced its move to Pennsylvania, US, as well as agreements for energy storage projects with Talen Energy and MN8 Energy.
July 4, 2025
Zinc hybrid cathode battery and storage system maker Eos Energy has received its second loan advance from the US Department of Energy’s (DOE’s) Loan Programs Office (LPO).
May 30, 2025
Zinc hybrid cathode battery and storage system maker Eos has secured an order with Faraday Microgrids to deploy a 3MW/15MWh system on tribal land in California, US.
May 13, 2025
A news roundup focusing on Q1 financial results from Eos and Ormat with news of a rebrand from Hecate Grid, now Fullmark Energy.
December 13, 2024
The government of California has approved a US$42 million grant to Pennsylvania-based IPP International Electric Power (IEP) for a long-duration energy storage project at Marine Corps Base Camp Pendleton, in San Diego County.
September 2, 2024
System integrator Stem Inc has received a warning from regulators over its NYSE listing, while zinc battery technology firm Eos Energy Enterprises completed the first milestones related to private equity firm Cerberus’ investment.
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August 17, 2023
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.
August 16, 2023
Zinc battery firm Eos Energy Enterprises saw reduced activity in Q2 as it transitioned to its Z3 product, while CEO Joe Mastrangelo discussed its backlog, the subject of a recent short-seller note.

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