Eos Energy stock rebounds after major UK energy storage order

Published 31/10/2025, 17:40
© Reuters.

Investing.com -- Eos Energy Enterprises Inc (NASDAQ:EOSE) stock rose 9.9% Friday after announcing a strategic 228 megawatt-hour (MWh) order with UK-based energy developer Frontier Power Ltd.

The significant order represents the first conversion under a 5 GWh framework agreement announced between the companies in April 2025.

This development comes just one day after Eos shares tumbled following a critical short report from Fuzzy Panda Research that alleged safety issues and misleading financial projections.

Frontier will deploy Eos’ Z3 energy storage systems featuring the company’s proprietary battery management system, software, and analytics platform across its portfolio of storage and grid-reliability projects. The partnership aims to validate performance in diverse grid environments ahead of Frontier’s upcoming projects under Ofgem’s Cap-and-Floor program.

The announcement highlighted that Frontier recently advanced 11 GWh of long-duration storage projects to the second round of the program, more than double its original commitment, all incorporating Eos’ zinc-based technology.

"This order reflects continued confidence in Eos’ zinc technology and the strength of our partnership with Frontier," said Nathan Kroeker, Eos Chief Commercial Officer. "Together, we’re demonstrating that long-duration storage is ready to scale and play a critical role in delivering reliable dispatchable power."

The company also noted it has achieved its final cash receipt milestone previously agreed upon with an affiliate of Cerberus Capital Management LP as part of Cerberus’s strategic investment in the company, with no additional preferred stock or warrants being issued at this time.

Eos specializes in zinc-based battery energy storage systems that offer non-flammable solutions for grid-scale applications, positioning the company in the growing market for long-duration energy storage supporting renewable integration and grid stability.

This article was generated with the support of AI and reviewed by an editor. For more information see our T&C.

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