ESS Tech (GWH) Free Cash Flow (2020 - 2026)

ESS Tech's Free Cash Flow history runs 7 years deep, the most recent figure standing at -$14.4 million for Q1 2026.

• On a quarterly basis, Free Cash Flow rose 35.91% year-over-year to -$14.4 million in Q1 2026; TTM through Mar 2026 was -$42.2 million, a 44.75% increase from a year earlier, with the FY2025 full-year figure at -$50.3 million, up 31.81% from the prior year.
• Free Cash Flow declined to -$14.4 million in Q1 2026 per GWH's latest filing, from -$12.8 million in the prior quarter.
• Across five years, Free Cash Flow topped out at -$2.6 million in Q3 2025 and bottomed at -$28.0 million in Q4 2022.
• The 5-year median for Free Cash Flow is -$18.9 million (2024), against an average of -$17.1 million.
• Across the five-year window, Free Cash Flow plunged 320.08% in 2024 and jumped 86.09% in 2025, its largest moves.
• Year by year, Free Cash Flow stood at -$28.0 million in 2022, then surged by 54.85% to -$12.6 million in 2023, then plunged by 52.04% to -$19.2 million in 2024, then surged by 33.27% to -$12.8 million in 2025, then fell by 12.52% to -$14.4 million in 2026.
• Per Business Quant, the three latest GWH Free Cash Flow figures stand at -$14.4 million (Q1 2026), -$12.8 million (Q4 2025), and -$2.6 million (Q3 2025).