ESS Tech, Inc. is a long-duration energy storage company, which specializes in iron flow battery technology. The company is headquartered in Wilsonville, Oregon and currently employs 62 full-time employees. The company went IPO on 2020-11-10. The firm designs and produces long-duration batteries using earth-abundant materials. Its batteries provide flexibility to grid operators and energy assurance for commercial and industrial customers. Its technology addresses energy delivery, duration, and cycle-life in a single battery platform that compares favorably to lithium-ion batteries. Using its iron flow battery technology, the Company is developing two products, such as the Energy Warehouse and Energy Center. Energy Center solutions are designed specifically for utilities, independent power producers (IPPs), and large commercial and industrial consumers. The Company’s batteries are non-flammable and non-toxic and can operate in a wide range of temperatures from -15 degrees Celsius (C) to 50 degrees C with minimal auxiliary loads.
Financials in millions USD. Fiscal year is February - January.
Breakdown
TTM
03/31/2026
12/31/2025
09/30/2025
06/30/2025
03/31/2025
Revenue
2
0
0
0
2
0
Revenue Growth (YoY)
-50%
--
-100%
--
--
-100%
Cost of Revenue
27
7
8
4
7
8
Gross Profit
-24
-7
-8
-4
-5
-8
Selling, General & Admin
18
4
4
4
5
7
Research & Development
8
2
3
1
1
2
Operating Expenses
28
6
9
5
6
9
Other Non Operating Income (Expenses)
0
0
0
0
0
0
Pretax Income
-61
-15
-23
-10
-11
-18
Income Tax Expense
0
0
0
0
0
--
Net Income
-61
-15
-23
-10
-11
-18
Net Income Growth
-28%
-17%
0%
-55%
-48%
0%
Shares Outstanding (Diluted)
29.29
29.29
19.93
14.15
12.27
12.03
Shares Change (YoY)
143%
143%
67%
20%
-93%
-93%
EPS (Diluted)
-2.09
-0.54
-1.2
-0.73
-0.9
-1.49
EPS Growth
-71%
-64%
-39%
-62%
622%
1,328%
Free Cash Flow
-49
-14
-16
-5
-13
-19
Free Cash Flow Per Share
--
--
--
--
--
--
Gross Margin
-1,200%
0%
0%
0%
-250%
0%
Operating Margin
-2,650%
0%
0%
0%
-550%
0%
Profit Margin
-3,050%
0%
0%
0%
-550%
0%
Free Cash Flow Margin
-2,450%
0%
0%
0%
-650%
0%
EBITDA
-47
-11
-16
-8
-10
-17
EBITDA Margin
-2,350%
0%
0%
0%
-500%
0%
D&A For EBITDA
6
2
1
1
1
1
EBIT
-53
-13
-17
-9
-11
-18
EBIT Margin
-2,650%
0%
0%
0%
-550%
0%
Effective Tax Rate
0%
0%
0%
0%
0%
--
Follow-Up Questions
What are ESS Tech Inc's key financial statements?
According to the latest financial statement (Form-10K), ESS Tech Inc has a total asset of $0, Net loss of $0
What are the key financial ratios for GWH?
ESS Tech Inc's Current ratio is 0, has a Net margin is 0, sales per share of $0.
How is ESS Tech Inc's revenue broken down by segment or geography?
ESS Tech Inc largest revenue segment is Energy Storage Systems, at a revenue of 1,030,999 in the most earnings release.For geography, United States is the primary market for ESS Tech Inc, at a revenue of 3,037,000.
Is ESS Tech Inc profitable?
no, according to the latest financial statements, ESS Tech Inc has a net loss of $0