Filing Flows › ESS Tech (GWH) › Q1 2026 › vs Q1 2025
ESS Tech (GWH) Q1 2026 vs Q1 2025 (year over year)
ESS Tech's revenue fell $471K (-79%) from $599K in Q1 2025 to $128K in Q1 2026.
ESS Tech, Q1 2026: revenue $128K (-79% year over year), net loss $15.9M, operating cash flow −$13.5M. The chart draws each line against Q1 2025, the increases inside each band.
Every line
| Line | Q1 2026 | Q1 2025 | Change | % |
|---|---|---|---|---|
| Revenue | $128K | $599K | −$471K | -79% |
| Net loss | $15.9M | $18.0M | −$2.1M | -12% |
| Costs & expenses | $16.1M | $18.7M | −$2.7M | -14% |
| Operating costs | $13.9M | $18.7M | −$4.8M | -26% |
| Interest & other, net | $2.1M | −$120K | $2.3M | — |
| Cost of revenue | $7.2M | $8.7M | −$1.6M | -18% |
| Research & development | $2.6M | $2.5M | $147K | +6% |
| Sales & marketing | $254K | $1.9M | −$1.7M | -87% |
| General & admin | $3.9M | $5.6M | −$1.7M | -31% |
| Operating cash sources | $16.9M | $21.0M | −$4.1M | -20% |
| Depreciation & amortization | $2.4M | $1.5M | $839K | +54% |
| Share-based compensation | $1.1M | $1.2M | −$170K | -14% |
| Cash used in operations | $13.5M | $18.2M | −$4.8M | -26% |
| Net loss absorbed | $15.9M | $18.0M | −$2.1M | -12% |
| Working capital & other | $980K | $3.0M | −$2.0M | -67% |
Questions
How much did ESS Tech's revenue grow year over year in Q1 2026?
ESS Tech's revenue fell $471K (-79%) from $599K in Q1 2025 to $128K in Q1 2026.