Balance Sheet
Cash Flow Statement
Asset Writedowns and ImpairmentCapital ExpendituresCash from Financing ActivitiesCash from Investing ActivitiesCash from OperationsChange in Account PayablesChange in Accured ExpensesChange in Acquisitions & DivestmentsChange in CashChange in InventoryChange in ReceivablesDepreciation & Amortization (CF)Depreciation and DepletionFree Cash FlowGains from Investment SecuritiesNet Cash FlowNet IncomeOther financing activitiesShare-based CompensationShares Issued
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Growth Metrics
Income Statement
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Ratios

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

ESS Tech (GWH) has 5 years of Free Cash Flow data on record, last reported at -$11.6 million in Q4 2025.

  • For Q4 2025, Free Cash Flow rose 51.52% year-over-year to -$11.6 million; the TTM value through Dec 2025 reached -$50.3 million, up 36.72%, while the annual FY2025 figure was -$50.3 million, 36.72% up from the prior year.
  • Free Cash Flow reached -$11.6 million in Q4 2025 per GWH's latest filing, down from -$6.6 million in the prior quarter.
  • Across five years, Free Cash Flow topped out at -$1.0 million in Q3 2023 and bottomed at -$32.7 million in Q3 2022.
  • Average Free Cash Flow over 5 years is -$16.2 million, with a median of -$16.0 million recorded in 2023.
  • Peak YoY movement for Free Cash Flow: surged 96.84% in 2023, then crashed 1819.81% in 2024.
  • A 5-year view of Free Cash Flow shows it stood at -$26.0 million in 2021, then surged by 41.61% to -$15.2 million in 2022, then dropped by 6.13% to -$16.1 million in 2023, then plummeted by 48.72% to -$23.9 million in 2024, then surged by 51.52% to -$11.6 million in 2025.
  • Per Business Quant database, its latest 3 readings for Free Cash Flow were -$11.6 million in Q4 2025, -$6.6 million in Q3 2025, and -$13.1 million in Q2 2025.