Company
ESS Tech, Inc. (GWH)
Standardized SEC financial data for ESS Tech, Inc. — income statement, balance sheet, cash flow and 40+ ratios, as a clean JSON API. CIK 0001819438 · NYSE · Miscellaneous Electrical Machinery, Equipment & Supplies.
Gross margin
-1000.0%
Operating margin
-1000.0%
Net margin
-1000.0%
Revenue growth (YoY)
-74.8%
Return on equity
-736.1%
Free cash flow
-$53.7M
Debt / equity
0.00×
Current ratio
1.04×
Ratios for fiscal year 2025, standardized from SEC filings.
Income statement
| USD | FY2020 | FY2021 | FY2022 | FY2023 | FY2024 | FY2025 |
|---|---|---|---|---|---|---|
| Revenue | $0 | $0 | $894K | $7.5M | $6.3M | $1.6M |
| Cost of revenue |
Balance sheet
| USD | FY2021 | FY2021 | FY2022 | FY2023 | FY2024 | FY2025 |
|---|---|---|---|---|---|---|
| Cash & equivalents | — | $240.2M | $36.7M | $22.5M | $31.6M | $22.0M |
| Inventory |
Cash flow
| USD | FY2020 | FY2021 | FY2022 | FY2023 | FY2024 | FY2025 |
|---|---|---|---|---|---|---|
| Operating cash flow | -$16.6M | -$51.8M | -$81.6M | -$54.9M | -$72.2M | -$50.3M |
| Capital expenditures |
Get GWH data via API
# JSON
curl https://sec-financial-api-production.up.railway.app/v1/company/GWH/financials \
-H "X-API-Key: YOUR_KEY"
# CSV export (income / balance / cash-flow)
curl "https://sec-financial-api-production.up.railway.app/v1/company/GWH/income-statement?format=csv" \
-H "X-API-Key: YOUR_KEY"