Order strengthens growing partnership to deploy long-duration energy storage across multiple marketsPITTSBURGH, Oct. 31, 2025 (GLOBE NEWSWIRE) -- Eos Energy Enterprises, Inc. (NASDAQ: EOSE) ("Eos" or the “Company”), an American energy company and the leading innovator in designing, sourcing, manufacturing, and providing zinc-based battery energy storage systems (BESS) and Frontier Power Ltd. (“Frontier”), a leading UK-based energy developer, today announced a strategic 228 megawatt-hour (MWh) order to deplo ...