Filing Flows › Tecogen (TGEN) › Q3 2025
Tecogen (TGEN) Q3 2025 earnings results (third quarter 2025)
10-Q filed Nov 13, 2025
Tecogen (TGEN) reported revenue of $7.2M for the third quarter 2025 (Q3 2025), +28% from a year earlier and -2% from the quarter before. Operating margin was -29.2%, net loss $2.1M (29.5% of revenue).
Tecogen, Q3 2025: revenue $7.2M (+28% year over year), operating margin -29.2%, net loss $2.1M, operating cash flow −$3.6M. The chart follows the revenue to costs, profit and cash.
| Q3 2025 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $7.2M | -2% | +28% |
| Operating profit | −$2.1M | — | — |
| Net earnings | −$2.1M | — | — |
| Operating cash flow | −$3.6M | — | — |
What changed
Revenue was $7.2M in Q3 2025, up 28% year over year and down 2% from the previous quarter. Services was the largest line at 55% of revenue. Products added $1.6M year over year (up 115%), 103% of the total change. Energy Service declined 34%.
Gross margin was 30.4%, down 13.7 points from a year earlier. Operating costs exceeded revenue by $2.1M, an operating margin of -29.2%. Operating expenses grew 28% against revenue growth of 28%. The fastest-growing cost line was Sales & marketing (+29%). The quarter ended with a net loss of $2.1M, wider than the previous quarter's $1.5M loss.
Operating cash flow was −$3.6M. Non-cash charges added back $230K of depreciation and amortization and $126K of share-based compensation. Working capital and other items used $1.8M. Capital expenditures of $75K exceeded it, leaving free cash flow of −$3.6M.
Questions
What was Tecogen's revenue in the third quarter 2025?
Tecogen (TGEN) reported revenue of $7.2M for the third quarter 2025 (Q3 2025), +28% from a year earlier and -2% from the quarter before.
Was Tecogen profitable in the third quarter 2025?
Operating loss was $2.1M (-29.2% of revenue) and net loss $2.1M.
Source: Tecogen 10-Q on SEC EDGAR.