Filing Flows › ESS Tech (GWH) › Q2 2026 › vs Q2 2025
ESS Tech (GWH) Q2 2026 vs Q2 2025 (year over year)
ESS Tech's revenue fell $2.3M (-97%) from $2.4M in Q2 2025 to $73K in Q2 2026. The biggest changes: Product revenue −$2.3M (-97%); Service revenue −$28K (-88%).
ESS Tech, Q2 2026: revenue $73K (-97% year over year), net loss $15.6M, operating cash flow −$8.9M. The chart draws each line against Q2 2025, the increases inside each band.
Every line
| Line | Q2 2026 | Q2 2025 | Change | % |
|---|---|---|---|---|
| Product revenue | $69K | $2.3M | −$2.3M | -97% |
| Service revenue | $4K | $32K | −$28K | -88% |
| Revenue | $73K | $2.4M | −$2.3M | -97% |
| Net loss | $15.6M | $11.1M | $4.5M | +41% |
| Costs & expenses | $15.6M | $13.9M | $1.7M | +12% |
| Operating costs | $15.2M | $13.9M | $1.3M | +9% |
| Interest & other, net | $419K | −$501K | $920K | — |
| Cost of revenue | $7.5M | $7.5M | $35K | +0.5% |
| Research & development | $2.2M | $1.4M | $777K | +55% |
| Sales & marketing | $562K | $1.3M | −$742K | -57% |
| General & admin | $5.0M | $3.7M | $1.2M | +33% |
| Operating cash sources | $15.6M | $11.1M | $4.5M | +41% |
| Depreciation & amortization | $698K | $1.5M | −$847K | -55% |
| Share-based compensation | $681K | $1.5M | −$784K | -54% |
| Working capital & other | $5.2M | −$4.3M | $9.5M | — |
| Cash used in operations | $8.9M | $12.4M | −$3.4M | -28% |
| Net loss absorbed | $15.6M | $11.1M | $4.5M | +41% |
Questions
How much did ESS Tech's revenue grow year over year in Q2 2026?
ESS Tech's revenue fell $2.3M (-97%) from $2.4M in Q2 2025 to $73K in Q2 2026.
What drove ESS Tech's revenue change in Q2 2026?
Product revenue −$2.3M (-97%); Service revenue −$28K (-88%).