ESS Tech (GWH) Free Cash Flow (2021 - 2025)

ESS Tech has reported Free Cash Flow over the past 5 years, most recently at -$11.6 million for Q4 2025.

  • Quarterly results put Free Cash Flow at -$11.6 million for Q4 2025, up 36.26% from a year ago — trailing twelve months through Dec 2025 was -$50.3 million (up 31.81% YoY), and the annual figure for FY2025 was -$50.3 million, up 31.81%.
  • Free Cash Flow for Q4 2025 was -$11.6 million at ESS Tech, down from -$6.6 million in the prior quarter.
  • Over the last five years, Free Cash Flow for GWH hit a ceiling of $1.5 million in Q3 2023 and a floor of -$26.0 million in Q4 2021.
  • Median Free Cash Flow over the past 5 years was -$17.3 million (2024), compared with a mean of -$15.9 million.
  • Biggest five-year swings in Free Cash Flow: skyrocketed 109.61% in 2023 and later tumbled 1448.03% in 2024.
  • ESS Tech's Free Cash Flow stood at -$26.0 million in 2021, then grew by 5.18% to -$24.6 million in 2022, then soared by 34.65% to -$16.1 million in 2023, then dropped by 13.27% to -$18.2 million in 2024, then soared by 36.26% to -$11.6 million in 2025.
  • The last three reported values for Free Cash Flow were -$11.6 million (Q4 2025), -$6.6 million (Q3 2025), and -$13.1 million (Q2 2025) per Business Quant data.