ESS Tech, Inc.GWHEarnings & Financial Report
ESS Tech, Inc. (ticker GWH) is a leading provider of long-duration stationary energy storage solutions, specializing in safe, non-toxic iron flow battery systems. It serves utility, commercial, and industrial customers across North America and Europe, supporting renewable energy integration, grid stability, and global decarbonization initiatives.
GWH Q4 FY2025 Key Financial Metrics
Revenue
$-1.6M
Gross Profit
$-9.7M
Operating Profit
$-17.9M
Net Profit
N/A
Gross Margin
610.8%
Operating Margin
1126.8%
Net Margin
N/A
YoY Growth
-155.7%
EPS
$-1.21
ESS Tech, Inc. Q4 FY2025 Financial Summary
ESS Tech, Inc. reported revenue of $-1.6M (down 155.7% YoY) for Q4 FY2025, with a net profit of N/A (N/A margin). Cost of goods sold was $8.1M, operating expenses totaled $8.2M.
Key Financial Metrics
| Total Revenue | $-1.6M |
|---|---|
| Net Profit | N/A |
| Gross Margin | 610.8% |
| Operating Margin | 1126.8% |
| Report Period | Q4 FY2025 |
ESS Tech, Inc. Annual Revenue by Year
ESS Tech, Inc. annual revenue history includes year-by-year totals (for example, 2025 revenue was $1.6M).
ESS Tech, Inc. Quarterly Revenue & Net Profit History
ESS Tech, Inc. results over the last 8 reported quarters, including revenue, net profit and year-over-year growth.
| Quarter | Revenue | Revenue YoY | Net Profit | Net Margin |
|---|---|---|---|---|
| Q4 FY2025 | $-1.6M | -155.7% | N/A | N/A |
| Q3 FY2025 | $214.0K | -40.4% | $-10.4M | -4848.1% |
| Q2 FY2025 | $2.4M | +577.6% | $-11.1M | -468.9% |
| Q1 FY2025 | $599.0K | -78.1% | $-18.0M | -3009.3% |
| Q4 FY2024 | $2.9M | +1.9% | N/A | N/A |
| Q3 FY2024 | $359.0K | -76.8% | $-22.5M | -6265.5% |
| Q2 FY2024 | $348.0K | -87.7% | $-21.9M | -6304.6% |
| Q1 FY2024 | $2.7M | +636.0% | $-18.3M | -668.7% |
Income Statement
| Q1 2024 | Q2 2024 | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 | |
|---|---|---|---|---|---|---|---|---|
| Revenue | $2.7M | $348000 | $359000 | $2.9M | $599000 | $2.4M | $214000 | $-1.6M |
| YoY Growth | 636.0% | -87.7% | -76.8% | 1.9% | -78.1% | 577.6% | -40.4% | -155.7% |
Balance Sheet
| Q1 2024 | Q2 2024 | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 | |
|---|---|---|---|---|---|---|---|---|
| Assets | $123.6M | $111.1M | $96.7M | $71.8M | $53.6M | $39.6M | $36.1M | $51.2M |
| Liabilities | $35.8M | $42.1M | $47.5M | $42.9M | $41.5M | $36.3M | $37.9M | $42.6M |
| Equity | $87.8M | $69.0M | $49.2M | $28.9M | $12.1M | $3.3M | $-1.8M | $8.6M |
Cash Flow
| Q1 2024 | Q2 2024 | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 | |
|---|---|---|---|---|---|---|---|---|
| Operating CF | $-18.9M | $-15.2M | $-17.6M | $-20.5M | $-18.2M | $-12.4M | $-5.8M | $-13.9M |