Balance Sheet
Cash Flow Statement
Asset Writedowns and ImpairmentAsset Writedowns and ImpairmentCapital ExpendituresCapital ExpendituresCash from Financing ActivitiesCash from Financing ActivitiesCash from Investing ActivitiesCash from Investing ActivitiesCash from OperationsCash from OperationsChange in Account PayablesChange in Account PayablesChange in Accured ExpensesChange in Accured ExpensesChange in Acquisitions & DivestmentsChange in Acquisitions & DivestmentsChange in CashChange in InventoryChange in InventoryChange in ReceivablesChange in ReceivablesDepreciation & Amortization (CF)Depreciation & Amortization (CF)Depreciation and DepletionDepreciation and DepletionFree Cash FlowFree Cash FlowGains from Investment SecuritiesGains from Investment SecuritiesNet Cash FlowNet Cash FlowNet IncomeOther financing activitiesOther financing activitiesShare-based CompensationShare-based CompensationShares Issued
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Income Statement
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ESS Tech (GWH) Net Cash Flow (2021 - 2025)

ESS Tech has reported Net Cash Flow over the past 5 years, most recently at $10.9 million for Q4 2025.

  • Quarterly results put Net Cash Flow at $10.9 million for Q4 2025, up 1994.62% from a year ago — trailing twelve months through Dec 2025 was $690000.0 (up 109.47% YoY), and the annual figure for FY2025 was $690000.0, up 109.47%.
  • Net Cash Flow for Q4 2025 was $10.9 million at ESS Tech, up from $2.7 million in the prior quarter.
  • Over the last five years, Net Cash Flow for GWH hit a ceiling of $230.9 million in Q4 2021 and a floor of -$99.6 million in Q2 2022.
  • Median Net Cash Flow over the past 5 years was -$2.3 million (2024), compared with a mean of $474550.0.
  • Peak annual rise in Net Cash Flow hit 1994.62% in 2025, while the deepest fall reached 2012.14% in 2025.
  • ESS Tech's Net Cash Flow stood at $230.9 million in 2021, then tumbled by 103.5% to -$8.1 million in 2022, then tumbled by 110.42% to -$17.0 million in 2023, then surged by 103.06% to $520000.0 in 2024, then soared by 1994.62% to $10.9 million in 2025.
  • The last three reported values for Net Cash Flow were $10.9 million (Q4 2025), $2.7 million (Q3 2025), and -$7.9 million (Q2 2025) per Business Quant data.