Eos Energy Enterprises, Inc. commenced commercial production on Battery Line 2 at its Thorn Hill facility in mid-June 2026, according to a preliminary second quarter results release the company filed with the SEC on July 15, 2026. [1] The release states the quarter marked the company's transition to operating two commercial production lines across two manufacturing facilities. [1] Eos states the new line expands its manufacturing capacity and advances its targeted 4 GWh annual run-rate capacity by year-end 2026. [1]
Battery Line 2 has delivered higher yields and faster cycle time than Battery Line 1 in early ramp operation, the release states, and the company completed site acceptance testing on 50 percent of its bipolar automation line. [1] Preliminary revenue for the quarter ended June 30, 2026 is expected at $68 million to $69 million, the highest quarterly revenue in company history, on shipments more than three times the prior-year period. [1] Backlog reached approximately $807 million as of June 30, 2026, a company record and an increase of about 25 percent from the prior quarter. [1] The company reported a preliminary gross margin loss between 69 percent and 73 percent, which it attributes to start-up costs and lower initial production volumes during the ramp. [1]
Eos designs and manufactures zinc-based long-duration energy storage systems sourced and manufactured in the United States, with headquarters in Pittsburgh, Pennsylvania. [1] The filing is a Form 8-K, accession number 0001628280-26-048253, exhibit 99.1. [1] Markets Insider reported the preliminary results announcement on July 15, 2026. [2]