Eos Energy Enterprises Announces Preliminary Q3 2026 Results and Lowers Full-Year 2026 Revenue Guidance

Full-year 2026 revenue guidance narrowed to the lower half of the prior $300 million to $350 million range (approximately $300 million to $325 million; midpoint approximately $312.5 million), cutting the prior August midpoint by approximately $12.5 million.

Preliminary Q3 2026 revenue of $82 million to $83 million, representing approximately 19% to 21% sequential growth and approximately 169% to 172% year-over-year growth.

Q3 2026 GAAP gross margin of (55)% to (53)%, an improvement of approximately 16 to 18 percentage points compared with Q2 2026.

Backlog of approximately $765 million (~3.2 GWh) as of September 30, 2026, with six purchase orders received from six customers during the quarter.

Total cash including restricted cash of approximately $344 million as of September 30, 2026, compared with $364 million as of June 30, 2026.

Q3 2026 operating cash inflows of approximately $114 million included an additional $87 million advance under the DOE loan facility, against capital expenditures of approximately $35 million primarily related to completion of Line 2 automation at Thorn Hill.

Conference call scheduled for November 5, 2026 at 8:30 a.m. Eastern Time to discuss full Q3 2026 financial results; full results to be released before U.S. market opens that day.