Eos Energy Enterprises, Inc., a leading U.S.-based innovator in zinc-based long-duration energy storage systems, has announced it has signed a memorandum of understanding with Frontier Power Ltd., a UK-based energy developer, to establish a 5 GWh energy storage framework agreement. This milestone marks Eos’ official entry into a new international market and supports Frontier’s plans to submit multiple projects utilizing Eos’ Znyth™ battery technology under the first application round of Ofgem’s newly launched long-duration energy storage (LDES) cap and floor initiative.
Justin Vagnozzi, Senior Vice President of Global Sales at Eos Energy Enterprises, expressed pride in partnering with Frontier Power to introduce Eos’ recyclable, safe storage technology to the UK. He emphasized that the cap and floor scheme incentivizes long-duration storage investments, and this collaboration will help Eos expand its operations, widen its market footprint, and promote alternatives to conventional energy storage solutions.
The agreement also paves the way for broader global collaboration between Eos and Frontier. In addition, the partnership creates the possibility of setting up manufacturing facilities in the UK if a substantial volume of LDES projects using Eos technology materializes, which could strengthen domestic supply chains and support job creation in the region.
Joe Mastrangelo, Chief Executive Officer of Eos Energy Enterprises, noted that the company’s flexible supply chain model enables manufacturing close to customer locations, delivering innovative energy storage solutions while fostering local employment. He added that Eos plans to grow its manufacturing presence worldwide as demand rises and is excited to work with Frontier to achieve this vision across the UK and beyond.
Humza Malik, Chief Executive Officer of Frontier Power, highlighted that the agreement reflects Frontier’s commitment to clean energy innovation and global partnerships. He stated that collaborating with Eos will enhance Frontier’s long-duration storage portfolio and reinforce trade ties between the U.S. and UK, with potential manufacturing facilities further contributing to the UK economy and job market.
The UK’s cap and floor program, overseen by Ofgem and the Department for Energy Security and Net Zero, aims to offer long-term revenue stability for emerging energy storage technologies and attract investment in alternatives to lithium-ion solutions. Eos’ eight-hour storage system is an excellent fit for the program, supporting the UK’s broader objectives of enhancing grid resilience and enabling higher levels of renewable energy integration.
This agreement will be added to Eos’ project pipeline when the Company reports its first-quarter 2025 results as of March 31, 2025.
