ESS Tech (GWH) Free Cash Flow (2020 - 2026)
ESS Tech's quarterly Free Cash Flow came in at -$13.5 million in Q1 2026, up 29.06% year-on-year from -$10.4 million in Q1 2025, and down 16.24% quarter-over-quarter from -$11.6 million in Q4 2025.
ESS Tech has reported Free Cash Flow for 7 years, with the latest figure at -$13.5 million in Q1 2026.
- For the quarter ending Q1 2026, Free Cash Flow rose 29.06% year-over-year to -$13.5 million; the trailing twelve-month figure through Mar 2026 stood at -$44.8 million (up 38.94% YoY), and the FY2025 full-year result was -$50.3 million, up 31.81% from the prior year.
- Free Cash Flow for Q1 2026 stood at -$13.5 million, down from -$11.6 million in the prior quarter.
- The five-year high for Free Cash Flow was -$3.9 million in Q3 2025, with the low at -$24.6 million in Q4 2022.
- Average Free Cash Flow over 5 years is -$16.2 million, with a median of -$18.2 million recorded in 2024.
- Year-over-year, Free Cash Flow soared 80.66% in 2023 and slumped 341.85% in 2024.
- Tracing GWH's Free Cash Flow over 5 years: stood at -$24.6 million in 2022, then soared by 48.7% to -$12.6 million in 2023, then tumbled by 44.3% to -$18.2 million in 2024, then soared by 36.43% to -$11.6 million in 2025, then declined by 16.24% to -$13.5 million in 2026.
- The last three Free Cash Flow figures came in at -$13.5 million (Q1 2026), -$11.6 million (Q4 2025), and -$3.9 million (Q3 2025), per Business Quant data.
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Free Cash Flow (Qtr) |
|---|---|---|---|---|---|
| 1 | Vertiv Holdings | 125.39 Bn | 122.89 Bn | 999.70 Mn | 765.40 Mn |
| 2 | Bloom Energy | 85.22 Bn | 82.75 Bn | 225.54 Mn | 47.43 Mn |
| 3 | nVent Electric | 26.63 Bn | 26.44 Bn | 445.60 Mn | 49.10 Mn |
| 4 | Hubbell | 25.22 Bn | 24.72 Bn | 505.30 Mn | 46.00 Mn |
| 5 | Advanced Energy Industries | 12.25 Bn | 12.25 Bn | 200.90 Mn | -42.20 Mn |
| 6 | Powell Industries | 10.16 Bn | 9.61 Bn | 87.94 Mn | 49.34 Mn |
| 7 | Acuity Inc. (De) | 8.82 Bn | 8.55 Bn | 520.40 Mn | 73.30 Mn |
| 8 | EnerSys | 8.70 Bn | 8.26 Bn | 290.87 Mn | 131.16 Mn |
| 9 | Plug Power | 5.25 Bn | 4.87 Bn | -21.61 Mn | -176.11 Mn |
| 10 | ESS Tech | 28.05 Mn | 28.05 Mn | -7.04 Mn | -13.48 Mn |
Historic Data
Download Data| Date | Value |
|---|---|
| Mar 31, 2026 | -13.48 Mn |
| Mar 31, 2026 | -13.48 Mn |
| Dec 31, 2025 | -11.60 Mn |
| Dec 31, 2025 | -11.60 Mn |
| Sep 30, 2025 | -3.86 Mn |
| Sep 30, 2025 | -3.86 Mn |
| Jun 30, 2025 | -15.87 Mn |
| Jun 30, 2025 | -15.87 Mn |
| Mar 31, 2025 | -19.00 Mn |
| Mar 31, 2025 | -19.00 Mn |
| Dec 31, 2024 | -18.24 Mn |
| Dec 31, 2024 | -18.24 Mn |
| Sep 30, 2024 | -19.87 Mn |
| Sep 30, 2024 | -19.87 Mn |
| Jun 30, 2024 | -16.27 Mn |
| Jun 30, 2024 | -16.27 Mn |
| Mar 31, 2024 | -19.43 Mn |
| Mar 31, 2024 | -19.43 Mn |
| Dec 31, 2023 | -12.64 Mn |
| Dec 31, 2023 | -12.64 Mn |
| Sep 30, 2023 | -4.50 Mn |
| Sep 30, 2023 | -4.50 Mn |
| Jun 30, 2023 | -19.33 Mn |
| Jun 30, 2023 | -19.33 Mn |
| Mar 31, 2023 | -19.13 Mn |
| Mar 31, 2023 | -19.13 Mn |
| Dec 31, 2022 | -24.64 Mn |
| Dec 31, 2022 | -24.64 Mn |
| Sep 30, 2022 | -23.25 Mn |
| Sep 30, 2022 | -23.25 Mn |
| Jun 30, 2022 | -11.67 Mn |
| Jun 30, 2022 | -11.67 Mn |
| Mar 31, 2022 | -23.42 Mn |
| Mar 31, 2022 | -23.42 Mn |
| Dec 31, 2021 | -25.99 Mn |
| Dec 31, 2021 | -25.99 Mn |
| Sep 30, 2021 | -13.56 Mn |
| Sep 30, 2021 | -13.56 Mn |
| Jun 30, 2021 | -8.57 Mn |
| Jun 30, 2021 | -8.57 Mn |
| Mar 31, 2021 | -6.51 Mn |
| Mar 31, 2021 | -6.51 Mn |
| Dec 31, 2020 | -976,685.00 |
| Dec 31, 2020 | -976,685.00 |
| Sep 30, 2020 | -26,800.00 |
| Sep 30, 2020 | -26,800.00 |