Symbols / GWH $1.20 -0.83% ESS Tech, Inc.

Industrials • Electrical Equipment & Parts • United States • NYQ
GWH Chart
About

ESS Tech, Inc., an energy storage company, engages in the design and production of iron flow batteries for commercial and utility-scale energy storage applications worldwide. It offers energy storage products, which include Energy Warehouse, a behind-the-meter solution; and the gigawatt-hour energy base storage product, a fully configurable layout that integrates with any site location and that allows the power to be decoupled from the capacity. The company was founded in 2011 and is headquartered in Wilsonville, Oregon.

Fundamentals
Scroll to Statements
Sector Industrials Industry Electrical Equipment & P Market Cap 36.78M
Enterprise Value 32.03M Income -63.44M Sales 1.58M
Book/sh 0.39 Cash/sh 0.81 Dividend Yield —
Payout 0.00% Employees 62 IPO —
P/E — Forward P/E -1.76 PEG —
P/S 23.23 P/B 3.12 P/C —
EV/EBITDA -0.64 EV/Sales 20.23 Quick Ratio 0.93
Current Ratio 1.04 Debt/Eq 245.75 LT Debt/Eq —
EPS (ttm) -4.34 EPS next Y -0.68 EPS Growth —
Revenue Growth — Earnings 2026-05-07 ROA -56.62%
ROE -3.38% ROIC — Gross Margin 0.00%
Oper. Margin 10.20% Profit Margin 0.00% Shs Outstand 27.17M
Shs Float 21.75M Short Float 6.07% Short Ratio 2.04
Short Interest — 52W High 13.87 52W Low 0.76
Beta 1.57 Avg Volume 547.58K Volume 179.87K
Target Price $2.50 Recom None Prev Close $1.21
Price $1.20 Change -0.83%
Valuation Models

Price estimates from analyst targets and simple models.

1. Analyst consensus
$2.50
Mean price target
2. Current target
$1.20
Latest analyst target
3. DCF / Fair value
$-22.08
Simplified: (Free Cash Flow ÷ Shares) × 18 (P/FCF multiple). Not a …
Ratings
Current target
$1.20
Low
$2.50
High
$2.50
Mean
$2.50

Latest analyst rating changes

Date Action Analyst Rating Change Price Target
2026-03-06 main Roth Capital Buy → Buy $3
2025-08-18 main Baird Neutral → Neutral $2
2025-04-01 main Canaccord Genuity Hold → Hold $3
2025-03-04 down Roth MKM Buy → Neutral $3
2024-11-14 main Canaccord Genuity Hold → Hold $8
2024-11-14 down Oppenheimer Outperform → Perform —
2024-08-16 main Deutsche Bank Hold → Hold $1
2024-08-16 main Canaccord Genuity Hold → Hold $1
2024-08-15 main TD Cowen Buy → Buy $2
2024-07-12 init Roth MKM — → Buy $2
2024-05-09 main Deutsche Bank Hold → Hold $1
2024-05-08 main TD Cowen Buy → Buy $2
2024-03-15 main Chardan Capital Neutral → Neutral $1
2024-03-14 main Baird Outperform → Outperform $3
2024-03-14 main Canaccord Genuity Hold → Hold $1
2023-05-25 main Chardan Capital Neutral → Neutral $1
2023-05-11 main Baird Outperform → Outperform $4
2023-05-10 main Oppenheimer — → Outperform $3
2023-05-10 main EF Hutton — → Buy $3
2023-03-03 main Chardan Capital — → Neutral $2
News
RSS: Latest GWH news
Insider Transactions
Filed Date Insider Relationship Transaction Shares Price Value SEC
2026-02-20 GOODMAN KELLY F. General Counsel — 2,269 $1.54 $3,494
2026-02-20 SUHADOLNIK KATE EILEEN Chief Financial Officer — 741 $1.54 $1,141
2026-02-13 GOODMAN KELLY F. General Counsel — 137,500 $0.00 $0
2026-02-13 SUHADOLNIK KATE EILEEN Chief Financial Officer — 137,500 $0.00 $0
2025-10-13 TEAMEY KYLE Director — 13,513 $0.00 $0
2025-10-13 HOSSFELD RICH Director — 13,513 $0.00 $0
2025-10-13 NIGGLI MICHAEL R. Director — 13,513 $0.00 $0
2025-10-13 NIJHAWAN SANDEEP Director — 13,513 $0.00 $0
2025-10-13 GARABEDIAN RAFFI Director — 13,513 $0.00 $0
2025-10-13 QUARLS HARRY Director — 13,513 $0.00 $0
Financials
Statement View
Amounts in millions (2 decimals, no suffix) • EPS per share (2 decimals) • Trend = period evolution • YoY Growth = previous period %
Line Item Trend 2025-12-31 2024-12-31 2023-12-31 2022-12-31
Total Revenue
1.58
-74.85%
6.29
-16.51%
7.54
+743.40%
0.89
Operating Revenue
1.58
-74.85%
6.29
-16.51%
7.54
+743.40%
0.89
Cost Of Revenue
29.25
-43.36%
51.65
+152.03%
20.50
0.00
Reconciled Cost Of Revenue
29.25
-43.36%
51.65
+152.03%
20.50
0.00
Gross Profit
-27.67
+38.99%
-45.36
-250.12%
-12.96
-1549.11%
0.89
Operating Expense
29.73
-33.09%
44.44
-39.08%
72.95
-31.43%
106.39
Research And Development
8.30
-29.52%
11.77
-72.39%
42.63
-40.77%
71.98
Selling General And Administration
21.44
-34.38%
32.67
+7.75%
30.32
-11.88%
34.41
Selling And Marketing Expense
3.83
-58.15%
9.16
+18.30%
7.74
+11.62%
6.94
General And Administrative Expense
17.60
-25.11%
23.51
+4.13%
22.57
-17.82%
27.47
Other Gand A
17.60
-25.11%
23.51
+4.13%
22.57
-17.82%
27.47
Total Expenses
58.99
-38.61%
96.09
+2.83%
93.44
-12.16%
106.39
Operating Income
-57.41
+36.07%
-89.80
-4.53%
-85.91
+18.57%
-105.49
Total Operating Income As Reported
-57.41
+36.07%
-89.80
-4.53%
-85.91
+18.57%
-105.49
EBITDA
-51.67
+39.27%
-85.07
-7.16%
-79.39
+23.64%
-103.97
Normalized EBITDA
-51.90
+39.08%
-85.19
-4.29%
-81.68
+37.05%
-129.76
Reconciled Depreciation
5.74
+21.51%
4.72
-27.47%
6.51
+327.64%
1.52
EBIT
-57.41
+36.07%
-89.80
-4.53%
-85.91
+18.57%
-105.49
Total Unusual Items
0.23
+99.13%
0.12
-94.98%
2.29
-91.11%
25.79
Total Unusual Items Excluding Goodwill
0.23
+99.13%
0.12
-94.98%
2.29
-91.11%
25.79
Special Income Charges
—
—
—
1.31
Other Special Charges
—
—
—
—
Restructuring And Mergern Acquisition
—
—
—
-1.31
Net Income
-63.44
+26.42%
-86.22
-11.14%
-77.58
+0.50%
-77.97
Pretax Income
-63.44
+26.42%
-86.22
-11.14%
-77.58
+0.50%
-77.97
Net Non Operating Interest Income Expense
-5.46
-252.63%
3.57
-32.08%
5.26
+140.60%
2.19
Interest Expense Non Operating
—
—
—
—
Net Interest Income
-5.46
-252.63%
3.57
-32.08%
5.26
+140.60%
2.19
Interest Expense
—
—
—
—
Interest Income Non Operating
—
3.57
-32.08%
5.26
+140.60%
2.19
Interest Income
—
3.57
-32.08%
5.26
+140.60%
2.19
Other Income Expense
-0.58
-29000.00%
0.00
-99.93%
3.06
-87.90%
25.34
Other Non Operating Income Expenses
-0.81
-614.16%
-0.11
-114.62%
0.77
+271.02%
-0.45
Gain On Sale Of Security
0.23
+99.13%
0.12
-94.98%
2.29
-91.11%
25.79
Tax Rate For Calcs
0.00
0.00
0.00
0.00
Tax Effect Of Unusual Items
0.00
0.00
0.00
0.00
Net Income Including Noncontrolling Interests
-63.44
+26.42%
-86.22
-11.14%
-77.58
+0.50%
-77.97
Net Income From Continuing Operation Net Minority Interest
-63.44
+26.42%
-86.22
-11.14%
-77.58
+0.50%
-77.97
Net Income From Continuing And Discontinued Operation
-63.44
+26.42%
-86.22
-11.14%
-77.58
+0.50%
-77.97
Net Income Continuous Operations
-63.44
+26.42%
-86.22
-11.14%
-77.58
+0.50%
-77.97
Normalized Income
-63.67
+26.26%
-86.34
-8.10%
-79.87
+23.02%
-103.76
Net Income Common Stockholders
-63.44
+26.42%
-86.22
-11.14%
-77.58
+0.50%
-77.97
Diluted EPS
—
-7.32
-0.69%
-7.27
+4.97%
-7.65
Basic EPS
—
-7.32
-0.69%
-7.27
+4.97%
-7.65
Basic Average Shares
—
11.77
+10.41%
10.66
+4.77%
10.18
Diluted Average Shares
—
11.77
+10.41%
10.66
+4.77%
10.18
Diluted NI Availto Com Stockholders
-63.44
+26.42%
-86.22
-11.14%
-77.58
+0.50%
-77.97
Total Other Finance Cost
5.46
+252.63%
-3.57
—
—
Line Item Trend 2023-12-31
Total Assets
143.23
Current Assets
118.10
Cash Cash Equivalents And Short Term Investments
108.06
Cash And Cash Equivalents
20.16
Other Short Term Investments
87.90
Receivables
3.07
Accounts Receivable
1.99
Other Receivables
1.08
Inventory
3.37
Raw Materials
7.74
Work In Process
1.24
Finished Goods
5.68
Prepaid Assets
1.46
Restricted Cash
1.37
Other Current Assets
0.77
Total Non Current Assets
25.13
Net PPE
18.43
Gross PPE
27.71
Accumulated Depreciation
-9.28
Properties
0.00
Buildings And Improvements
—
Machinery Furniture Equipment
18.04
Construction In Progress
4.28
Other Properties
2.17
Leases
3.23
Goodwill And Other Intangible Assets
4.92
Other Intangible Assets
4.92
Other Non Current Assets
1.78
Total Liabilities Net Minority Interest
39.88
Current Liabilities
19.77
Payables And Accrued Expenses
14.96
Payables
3.30
Accounts Payable
2.75
Other Payable
0.55
Current Accrued Expenses
11.66
Current Debt And Capital Lease Obligation
1.58
Current Debt
—
Other Current Borrowings
—
Current Capital Lease Obligation
1.58
Current Deferred Liabilities
2.55
Current Deferred Revenue
2.55
Other Current Liabilities
0.68
Total Non Current Liabilities Net Minority Interest
20.11
Long Term Debt And Capital Lease Obligation
0.96
Long Term Debt
—
Long Term Capital Lease Obligation
0.96
Non Current Deferred Liabilities
18.23
Non Current Deferred Revenue
18.23
Other Non Current Liabilities
—
Stockholders Equity
103.36
Common Stock Equity
103.36
Capital Stock
0.00
Common Stock
0.00
Preferred Stock
0.00
Share Issued
11.61
Ordinary Shares Number
11.61
Treasury Shares Number
0.00
Additional Paid In Capital
799.51
Retained Earnings
-696.16
Total Equity Gross Minority Interest
103.36
Total Capitalization
103.36
Working Capital
98.33
Invested Capital
103.36
Total Debt
2.54
Capital Lease Obligations
2.54
Net Tangible Assets
98.43
Tangible Book Value
98.43
Derivative Product Liabilities
0.92
Duefrom Related Parties Current
—
Dueto Related Parties Current
—
Inventories Adjustments Allowances
-11.29
Line Item Trend 2025-12-31 2024-12-31 2023-12-31 2022-12-31
Operating Cash Flow
-50.28
+30.37%
-72.22
-31.56%
-54.90
+32.74%
-81.62
Cash Flow From Continuing Operating Activities
-50.28
+30.37%
-72.22
-31.56%
-54.90
+32.74%
-81.62
Net Income From Continuing Operations
-63.44
+26.42%
-86.22
-11.14%
-77.58
+0.50%
-77.97
Depreciation Amortization Depletion
5.74
+21.51%
4.72
-27.47%
6.51
+327.64%
1.52
Depreciation
—
—
—
—
Depreciation And Amortization
5.74
+21.51%
4.72
-27.47%
6.51
+327.64%
1.52
Other Non Cash Items
8.60
+1503.26%
-0.61
+75.09%
-2.46
-1018.28%
0.27
Stock Based Compensation
5.43
-53.05%
11.57
+8.84%
10.63
-10.55%
11.89
Provisionand Write Offof Assets
—
—
—
—
Asset Impairment Charge
—
4.90
-58.90%
11.93
0.00
Operating Gains Losses
-0.23
-99.13%
-0.12
+94.98%
-2.29
+91.11%
-25.79
Gain Loss On Investment Securities
-0.23
-99.13%
-0.12
+94.98%
-2.29
+91.11%
-25.79
Change In Working Capital
-6.39
-307.59%
-1.57
+4.68%
-1.65
-119.45%
8.46
Change In Receivables
0.20
-86.96%
1.55
-57.36%
3.63
+292.63%
-1.89
Changes In Account Receivables
0.20
-86.96%
1.55
-57.36%
3.63
+292.63%
-1.89
Change In Inventory
4.83
+245.31%
-3.33
+77.31%
-14.66
0.00
Change In Prepaid Assets
1.87
+215.43%
-1.62
-166.89%
2.42
+878.78%
-0.31
Change In Payables And Accrued Expense
-8.99
-310.00%
4.28
+237.10%
-3.12
-131.54%
9.90
Change In Accrued Expense
-5.14
-14388.89%
0.04
+101.24%
-2.89
-134.30%
8.43
Change In Payable
-3.84
-190.55%
4.24
+1952.84%
-0.23
-115.64%
1.46
Change In Account Payable
-3.84
-190.55%
4.24
+1952.84%
-0.23
-115.64%
1.46
Change In Other Working Capital
-2.67
-191.07%
-0.92
-107.98%
11.50
+511.38%
1.88
Change In Other Current Liabilities
-1.64
-6.92%
-1.53
-8.04%
-1.42
-26.27%
-1.12
Investing Cash Flow
7.53
-88.38%
64.76
+329.68%
15.07
+112.78%
-117.88
Cash Flow From Continuing Investing Activities
7.53
-88.38%
64.76
+329.68%
15.07
+112.78%
-117.88
Net PPE Purchase And Sale
-3.39
+53.56%
-7.29
-25.98%
-5.79
+59.17%
-14.18
Purchase Of PPE
-3.39
+53.56%
-7.29
-25.98%
-5.79
+59.17%
-14.18
Capital Expenditure
-3.39
+53.56%
-7.29
-25.98%
-5.79
+59.17%
-14.18
Net Investment Purchase And Sale
10.91
-84.85%
72.05
+245.39%
20.86
+120.12%
-103.70
Purchase Of Investment
—
—
—
-103.70
Financing Cash Flow
43.46
+24878.16%
0.17
-99.32%
25.65
+729.83%
-4.07
Cash Flow From Continuing Financing Activities
43.46
+24878.16%
0.17
-99.32%
25.65
+729.83%
-4.07
Net Issuance Payments Of Debt
—
0.00
+100.00%
-1.73
+8.79%
-1.90
Issuance Of Debt
—
—
—
0.00
Repayment Of Debt
—
0.00
+100.00%
-1.73
+8.79%
-1.90
Long Term Debt Issuance
—
—
—
0.00
Long Term Debt Payments
—
0.00
+100.00%
-1.73
+8.79%
-1.90
Net Long Term Debt Issuance
—
0.00
+100.00%
-1.73
+8.79%
-1.90
Net Common Stock Issuance
37.60
+12760.27%
-0.30
-101.11%
26.82
+1055.20%
-2.81
Common Stock Payments
-0.05
+83.16%
-0.30
+4.19%
-0.31
+88.96%
-2.81
Repurchase Of Capital Stock
-0.05
+83.16%
-0.30
+4.19%
-0.31
+88.96%
-2.81
Proceeds From Stock Option Exercised
0.19
-59.66%
0.47
-39.46%
0.78
+18.42%
0.66
Net Other Financing Charges
5.67
—
-0.21
-872.73%
-0.02
Changes In Cash
0.71
+109.69%
-7.29
+48.57%
-14.17
+93.04%
-203.58
Beginning Cash Position
15.20
-32.42%
22.48
-38.66%
36.66
-84.74%
240.23
End Cash Position
15.90
+4.65%
15.20
-32.42%
22.48
-38.66%
36.66
Free Cash Flow
-53.67
+32.50%
-79.51
-31.02%
-60.69
+36.65%
-95.80
Interest Paid Supplemental Data
0.52
0.00
0.00
-100.00%
0.15
Common Stock Issuance
37.65
0.00
-100.00%
27.13
0.00
Issuance Of Capital Stock
37.65
0.00
-100.00%
27.13
0.00
Net Preferred Stock Issuance
—
—
—
0.00
Preferred Stock Issuance
—
—
—
0.00
SEC Filings

Recent 10-K, 10-Q, 8-K, and Form 4 (insider) filings.

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