Eos Energy Enterprises Reports Third Quarter 2026 Revenue of $82.7 Million, Up 171% Year Over Year, with Gross Margin Improving 58 Percentage Points

Eos Energy Enterprises (NASDAQ: EOSE), a U.S. manufacturer of zinc-based long-duration energy storage systems, reported third-quarter 2026 revenue of $82.7 million, representing 171% year-over-year growth. The company also achieved a 58-percentage-point improvement in gross margin compared to the prior-year quarter, reflecting continued progress in scaling domestic battery manufacturing and production operations.