Filing Flows › Eos Energy Enterprises (EOSE) › Q1 2026
Eos Energy Enterprises (EOSE) Q1 2026 earnings results (first quarter 2026)
10-Q filed May 13, 2026
Eos Energy Enterprises (EOSE) reported revenue of $57.0M for the first quarter 2026 (Q1 2026), +445% from a year earlier and -2% from the quarter before. Operating margin was -139.2%, net earnings $509M (893.4% of revenue).
Eos Energy Enterprises, Q1 2026: revenue $57.0M (+445% year over year), operating margin -139.2%, net earnings $509M, operating cash flow −$120M. The chart follows the revenue to costs, profit and cash.
| Q1 2026 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $57.0M | -2% | +445% |
| Operating profit | −$79.3M | — | — |
| Net earnings | $509M | — | 34× |
| Operating cash flow | −$120M | — | — |
What changed
Revenue was $57.0M in Q1 2026, up 445% year over year and down 2% from the previous quarter. Product revenue was the largest line at 100% of revenue. Product revenue added $46.8M year over year (up 472%), 101% of the total change. Service revenue declined 57%.
Operating costs exceeded revenue by $79.3M, an operating margin of -139.2%. Total costs grew 115% against revenue growth of 445%. The fastest-growing cost line was Cost of revenue (+190%). Net earnings were $508.9M, up 3262% year over year. The effective tax rate was 0.0%. Non-operating items added $588.2M, 116% of pre-tax earnings, so the bottom line overstates operating performance.
Operating cash flow was −$119.7M. Non-cash charges added back $5.4M of depreciation and amortization and $5.9M of share-based compensation. Working capital and other items used $639.9M. Capital expenditures of $35.1M exceeded it, leaving free cash flow of −$154.8M.
Questions
What was Eos Energy Enterprises' revenue in the first quarter 2026?
Eos Energy Enterprises (EOSE) reported revenue of $57.0M for the first quarter 2026 (Q1 2026), +445% from a year earlier and -2% from the quarter before.
Was Eos Energy Enterprises profitable in the first quarter 2026?
Operating loss was $79.3M (-139.2% of revenue) and net earnings $509M.