Key HighlightsEos Energy projects Q2 revenue between $68M and $69M, marking the company’s strongest quarter everRevenue for the first six months of 2026 has already exceeded total 2025 full-year revenueOrder backlog reached an all-time high of $807 million at the end of June, representing approximately 25% growth from Q1Second battery production line commenced commercial operations in Q2, doubling manufacturing capabilitiesEOSE shares climbed nearly 10% in response to the preliminary financial updateEos Energy Enterprises (EOSE) witnessed a substantial stock price increase of nearly 10% on Wednesday after unveiling preliminary second-quarter 2026 financial results that highlighted historic revenue levels and an unprecedented order backlog.The shares continued their upward momentum, trading 9.38% higher at $4.78 during premarket activity Thursday following the disclosure.Eos Energy Enterprises, Inc., EOSEThe company anticipates second-quarter revenue landing in the $68 million to $69 million range. This represents a milestone achievement as the highest quarterly revenue figure in Eos’s corporate history.When combined with first-quarter performance, the company’s 2026 first-half revenue has already surpassed its entire 2025 annual revenue. Such dramatic growth trajectories typically signal fundamental business transformation.Product shipments experienced more than triple-digit growth compared to the corresponding period in the previous year. Notably, incoming orders during the quarter outpaced shipments, indicating continued pipeline expansion.The organization disclosed a record-breaking backlog totaling approximately $807 million as of the end of June. This figure represents roughly 25% sequential growth from the preceding quarter and provides substantial revenue visibility for future periods.Expected total cash reserves, including restricted cash holdings, should reach approximately $364 million. Customer payments of roughly $78 million actually exceeded quarterly revenue generation — indicating positive cash flow characteristics.Manufacturing Expansion with Second Production Line OperationalEos transitioned Battery Line 2 into commercial production during the second quarter, effectively doubling the company’s operational production capacity across two separate manufacturing locations.This capacity expansion carries near-term financial implications. The company anticipates a gross margin deficit ranging from 69% to 73% for the quarter, primarily attributable to startup expenses and reduced initial production volumes characteristic of manufacturing ramp-up phases.Company leadership indicated that the enhanced production capacity should drive improved unit economics progressively as production volumes scale and operational efficiencies materialize.CEO Joe Mastrangelo characterized the quarter as demonstrating “disciplined execution,” emphasizing that the results validate that manufacturing platform investments are successfully converting into enhanced revenue performance and commercial strength.Strategic Frontier Power USA Alliance Creates Long-Term Growth AvenueEarlier in the current year, Eos established a strategic alliance with private equity firm Cerberus to create Frontier Power USA — an independent entity dedicated to developing and operating long-duration battery energy storage installations utilizing Eos technology platforms.This strategic partnership broadens Eos’s market approach beyond traditional equipment sales to include a dedicated customer for utility-scale energy storage deployments.Comprehensive second-quarter financial results are slated for release on August 5, when management will present complete financial details and operational metrics.Eos Energy’s stock has traded within a 52-week range spanning $4.05 to $19.86, with current pricing significantly below recent peak levels as margin pressure persists during the production scaling phase.The post Eos Energy (EOSE) Stock Surges on Record $807M Backlog and Highest-Ever Quarterly Revenue appeared first on Blockonomi.