Filing Flows › ESS Tech (GWH) › Q3 2025
ESS Tech (GWH) Q3 2025 earnings results (third quarter 2025)
10-Q filed Nov 13, 2025
ESS Tech (GWH) reported revenue of $214K for the third quarter 2025 (Q3 2025), -40% from a year earlier and -91% from the quarter before.
ESS Tech, Q3 2025: revenue $214K (-40% year over year), net loss $10.4M, operating cash flow −$5.8M. The chart follows the revenue to costs, profit and cash.
| Q3 2025 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $214K | -91% | -40% |
| Operating profit | −$9.8M | — | — |
| Net earnings | −$10.4M | — | — |
| Operating cash flow | −$5.8M | — | — |
What changed
Revenue was $214K in Q3 2025, down 40% year over year and down 91% from the previous quarter. Other revenue was the largest line at 84% of revenue. Other revenue lost $9K year over year (down 5%), 6% of the total change.
Operating costs exceeded revenue by $9.8M, an operating margin of -4584.6%. Total costs fell 58% while revenue fell 40%. The quarter ended with a net loss of $10.4M, narrower than the previous quarter's $11.1M loss.
Operating cash flow was −$5.8M. Non-cash charges added back $1.5M of depreciation and amortization and $1.2M of share-based compensation. Working capital and other items added $1.8M. Capital expenditures of −$417K exceeded it, leaving free cash flow of −$5.4M.
Questions
What was ESS Tech's revenue in the third quarter 2025?
ESS Tech (GWH) reported revenue of $214K for the third quarter 2025 (Q3 2025), -40% from a year earlier and -91% from the quarter before.
Source: ESS Tech 10-Q on SEC EDGAR.