Filing Flows › ESS Tech (GWH) › Q2 2026
ESS Tech (GWH) Q2 2026 earnings results (second quarter 2026)
10-Q filed Aug 11, 2026
ESS Tech (GWH) reported revenue of $73K for the second quarter 2026 (Q2 2026), -97% from a year earlier and -43% from the quarter before.
ESS Tech, Q2 2026: revenue $73K (-97% year over year), net loss $15.6M, operating cash flow −$8.9M. The chart follows the revenue to costs, profit and cash.
| Q2 2026 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $73K | -43% | -97% |
| Operating profit | −$15.1M | — | — |
| Net earnings | −$15.6M | — | — |
| Operating cash flow | −$8.9M | — | — |
What changed
Revenue was $73K in Q2 2026, down 97% year over year and down 43% from the previous quarter. Product revenue was the largest line at 95% of revenue. Product revenue lost $2.3M year over year (down 97%), 99% of the total change.
Operating costs exceeded revenue by $15.1M, an operating margin of -20731.5%. Total costs grew 9% against a revenue fall of 97%. The fastest-growing cost line was Research & development (+55%). The quarter ended with a net loss of $15.6M, narrower than the previous quarter's $15.9M loss.
Operating cash flow was −$8.9M. Non-cash charges added back $698K of depreciation and amortization and $681K of share-based compensation. Working capital and other items added $5.2M. Capital expenditures of $502K exceeded it, leaving free cash flow of −$9.4M.
Questions
What was ESS Tech's revenue in the second quarter 2026?
ESS Tech (GWH) reported revenue of $73K for the second quarter 2026 (Q2 2026), -97% from a year earlier and -43% from the quarter before.
Source: ESS Tech 10-Q on SEC EDGAR.