ESS Tech (GWH) FCF Margin (2022 - 2026)
ESS Tech's FCF Margin came in at -12882.19% for Q2 2026, down 12327.15 percentage points from -555.05% a year earlier and down 1608.75 percentage points from the prior quarter.
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Analysis
ESS Tech (GWH) FCF Margin (2022 - 2026) Analysis & Trends
For FY2025, ESS Tech's FCF Margin was -3391.47%, down 2128.36 percentage points from FY2024.
- FCF Margin carries a three-year change of +7324.41 percentage points (FY2022 to FY2025).
- Going back by year, FCF Margin was -1263.11% in FY2024 (-458.26 pp), -804.85% in FY2023 (+9911.03 pp) and -10715.88% in FY2022.
- The Q2 2026 figure represents the lowest quarterly FCF Margin since Q4 2022.
- Year-over-year, FCF Margin increased in two of the last seven quarters, with an average year-over-year change of -3069.84 percentage points.
- The fastest year-over-year change in FCF Margin over five years came in Q4 2023 (a gain of 174328.52 percentage points), and the weakest in Q2 2026 (a drop of 12327.15 percentage points).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | FCF Margin (Qtr) |
|---|---|---|---|---|---|
| 1 | GE Vernova | 252.99 Bn | 214.06 Bn | 2.36 Bn | 45.98% |
| 2 | Bloom Energy | 81.25 Bn | 73.07 Bn | 355.57 Mn | 16.41% |
| 3 | First Solar | 18.82 Bn | 9.78 Bn | 605.00 Mn | -28.99% |
| 4 | BWX Technologies | 12.55 Bn | 10.85 Bn | 202.31 Mn | 12.75% |
| 5 | Generac Holdings | 12.21 Bn | 11.04 Bn | 521.81 Mn | 5.36% |
| 6 | Nextpower | 11.82 Bn | 7.71 Bn | 335.85 Mn | 11.25% |
| 7 | EnerSys | 6.67 Bn | 4.86 Bn | 313.36 Mn | 23.27% |
| 8 | Enphase Energy | 4.36 Bn | -500.13 Mn | 175.01 Mn | 8.88% |
| 9 | Mirion Technologies | 3.45 Bn | 1.34 Bn | 133.10 Mn | 18.03% |
| 10 | ESS Tech | 5.59 Mn | 5.59 Mn | -7.42 Mn | -12,882.19% |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | -12,882.19% |
| Mar 31, 2026 | -11,273.44% |
| Sep 30, 2025 | -2,530.84% |
| Jun 30, 2025 | -555.05% |
| Mar 31, 2025 | -3,171.95% |
| Dec 31, 2024 | -840.25% |
| Sep 30, 2024 | -5,534.82% |
| Jun 30, 2024 | -4,549.71% |
| Mar 31, 2024 | -725.46% |
| Dec 31, 2023 | -633.98% |
| Sep 30, 2023 | -128.67% |
| Jun 30, 2023 | -702.23% |
| Mar 31, 2023 | -5,677.42% |
| Dec 31, 2022 | -174,962.50% |
| Sep 30, 2022 | -12,921.88% |
| Jun 30, 2022 | -2,854.37% |
API Access
ESS Tech FCF Margin API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=fcf-margin&ticker=GWH&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "fcf-margin", "ticker": "GWH", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=fcf-margin&ticker=GWH&period=max&api_key=YOUR_API_KEY");
const data = await res.json();