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 39.84M
Enterprise Value 34.47M 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 -1.91 PEG
P/S 25.17 P/B 3.38 P/C
EV/EBITDA -0.69 EV/Sales 21.78 Quick Ratio 0.93
Current Ratio 1.04 Debt/Eq 245.75 LT Debt/Eq
EPS (ttm) -5.05 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 30.65M
Shs Float 21.75M Short Float 4.09% Short Ratio 2.15
Short Interest 52W High 13.87 52W Low 0.76
Beta 1.50 Avg Volume 578.86K Volume 190.97K
Target Price $2.50 Recom Strong_buy Prev Close $1.27
Price $1.30 Change 2.36%
Valuation Models

Price estimates from analyst targets and simple models.

1. Analyst consensus
$2.50
Mean price target
2. Current target
$1.30
Latest analyst target
3. DCF / Fair value
$-19.58
Simplified: (Free Cash Flow ÷ Shares) × 18 (P/FCF multiple). Not a …
Ratings
Current target
$1.30
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
Insider Transactions
Date Shares Value Url Text Insider Position Transaction Start Date Ownership
0 2269 3494.0 Sale at price 1.54 per share. GOODMAN KELLY F. General Counsel 2026-02-20 00:00:00 D
1 741 1141.0 Sale at price 1.54 per share. SUHADOLNIK KATE EILEEN Chief Financial Officer 2026-02-20 00:00:00 D
2 137500 Stock Award(Grant) at price 0.00 per share. GOODMAN KELLY F. General Counsel 2026-02-13 00:00:00 D
3 137500 Stock Award(Grant) at price 0.00 per share. SUHADOLNIK KATE EILEEN Chief Financial Officer 2026-02-13 00:00:00 D
4 13513 Stock Award(Grant) at price 0.00 per share. TEAMEY KYLE Director 2025-10-13 00:00:00 D
5 13513 Stock Award(Grant) at price 0.00 per share. HOSSFELD RICH Director 2025-10-13 00:00:00 D
6 13513 Stock Award(Grant) at price 0.00 per share. NIGGLI MICHAEL R. Director 2025-10-13 00:00:00 D
7 13513 Stock Award(Grant) at price 0.00 per share. NIJHAWAN SANDEEP Director 2025-10-13 00:00:00 D
8 13513 Stock Award(Grant) at price 0.00 per share. GARABEDIAN RAFFI Director 2025-10-13 00:00:00 D
9 13513 Stock Award(Grant) at price 0.00 per share. QUARLS HARRY Director 2025-10-13 00:00:00 D
Financials
Line Item2024-12-312023-12-312022-12-312021-12-31
TaxEffectOfUnusualItems0.000.000.000.00
TaxRateForCalcs0.000.000.000.00
NormalizedEBITDA-85.19M-81.68M-129.76M-59.10M
TotalUnusualItems115.00K2.29M25.79M-415.56M
TotalUnusualItemsExcludingGoodwill115.00K2.29M25.79M-415.56M
NetIncomeFromContinuingOperationNetMinorityInterest-86.22M-77.58M-77.97M-477.12M
ReconciledDepreciation4.72M6.51M1.52M572.00K
ReconciledCostOfRevenue51.65M20.50M0.00
EBITDA-85.07M-79.39M-103.97M-474.66M
EBIT-89.80M-85.91M-105.49M-475.23M
NetInterestIncome3.57M5.26M2.19M-1.89M
InterestExpense1.89M
InterestIncome3.57M5.26M2.19M
NormalizedIncome-86.34M-79.87M-103.76M-61.56M
NetIncomeFromContinuingAndDiscontinuedOperation-86.22M-77.58M-77.97M-477.12M
TotalExpenses96.09M93.44M106.39M60.60M
TotalOperatingIncomeAsReported-89.80M-85.91M-105.49M-60.60M
DilutedAverageShares11.77M10.66M10.18M5.55M
BasicAverageShares11.77M10.66M10.18M5.55M
DilutedEPS-7.32-7.27-7.65-85.95
BasicEPS-7.32-7.27-7.65-85.95
DilutedNIAvailtoComStockholders-86.22M-77.58M-77.97M-477.12M
NetIncomeCommonStockholders-86.22M-77.58M-77.97M-477.12M
NetIncome-86.22M-77.58M-77.97M-477.12M
NetIncomeIncludingNoncontrollingInterests-86.22M-77.58M-77.97M-477.12M
NetIncomeContinuousOperations-86.22M-77.58M-77.97M-477.12M
PretaxIncome-86.22M-77.58M-77.97M-477.12M
OtherIncomeExpense2.00K3.06M25.34M-414.63M
OtherNonOperatingIncomeExpenses-113.00K773.00K-452.00K926.00K
SpecialIncomeCharges1.31M-154.81M
OtherSpecialCharges154.81M
RestructuringAndMergernAcquisition-1.31M154.81M
GainOnSaleOfSecurity115.00K2.29M25.79M-260.75M
NetNonOperatingInterestIncomeExpense3.57M5.26M2.19M-1.89M
InterestExpenseNonOperating1.89M
InterestIncomeNonOperating3.57M5.26M2.19M
OperatingIncome-89.80M-85.91M-105.49M-60.60M
OperatingExpense44.44M72.95M106.39M60.60M
ResearchAndDevelopment11.77M42.63M71.98M30.27M
SellingGeneralAndAdministration32.67M30.32M34.41M30.33M
SellingAndMarketingExpense9.16M7.74M6.94M3.04M
GeneralAndAdministrativeExpense23.51M22.57M27.47M27.29M
OtherGandA23.51M22.57M27.47M27.29M
GrossProfit-45.36M-12.96M894.00K
CostOfRevenue51.65M20.50M0.00
TotalRevenue6.29M7.54M894.00K0.00
OperatingRevenue6.29M7.54M894.00K0.00
Line Item2023-12-31
TreasurySharesNumber0.00
OrdinarySharesNumber11.99M11.61M10.25M10.12M
ShareIssued11.99M11.61M10.25M10.12M
TotalDebt1.69M2.54M5.87M3.77M
TangibleBookValue24.23M98.43M136.97M205.16M
InvestedCapital28.88M103.36M138.89M208.93M
WorkingCapital15.76M98.33M123.64M231.90M
NetTangibleAssets24.23M98.43M136.97M205.16M
CapitalLeaseObligations1.69M2.54M3.96M0.00
CommonStockEquity28.88M103.36M136.97M205.16M
TotalCapitalization28.88M103.36M137.29M207.03M
TotalEquityGrossMinorityInterest28.88M103.36M136.97M205.16M
StockholdersEquity28.88M103.36M136.97M205.16M
RetainedEarnings-782.38M-696.16M-618.58M-540.61M
AdditionalPaidInCapital811.26M799.51M755.54M745.75M
CapitalStock1.00K1.00K16.00K16.00K
CommonStock1.00K1.00K16.00K16.00K
PreferredStock0.000.000.000.00
TotalLiabilitiesNetMinorityInterest42.93M39.88M36.58M45.04M
TotalNonCurrentLiabilitiesNetMinorityInterest15.33M20.11M8.59M31.42M
OtherNonCurrentLiabilities125.00K85.00K552.00K
DerivativeProductLiabilities802.00K917.00K3.21M29.00M
NonCurrentDeferredLiabilities14.40M18.23M2.44M0.00
NonCurrentDeferredRevenue14.40M18.23M2.44M0.00
LongTermDebtAndCapitalLeaseObligation0.00957.00K2.85M1.87M
LongTermCapitalLeaseObligation0.00957.00K2.54M0.00
LongTermDebt315.00K1.87M
CurrentLiabilities27.60M19.77M27.99M13.62M
OtherCurrentLiabilities1.08M680.00K1.41M541.00K
CurrentDeferredLiabilities5.24M2.55M6.17M3.81M
CurrentDeferredRevenue5.24M2.55M6.17M3.66M
CurrentDebtAndCapitalLeaseObligation1.69M1.58M3.02M1.90M
CurrentCapitalLeaseObligation1.69M1.58M1.42M0.00
CurrentDebt1.60M1.90M
OtherCurrentBorrowings1.60M1.90M
PayablesAndAccruedExpenses19.59M14.96M17.39M7.38M
CurrentAccruedExpenses11.52M11.66M13.59M5.80M
Payables8.07M3.30M3.81M1.57M
OtherPayable545.00K770.00K
DuetoRelatedPartiesCurrent770.00K0.00
AccountsPayable8.07M2.75M3.04M1.57M
TotalAssets71.81M143.23M173.55M250.20M
TotalNonCurrentAssets28.45M25.13M21.92M4.68M
OtherNonCurrentAssets1.71M1.78M946.00K180.00K
GoodwillAndOtherIntangibleAssets4.66M4.92M0.00
OtherIntangibleAssets4.66M4.92M
NetPPE22.09M18.43M20.97M4.50M
AccumulatedDepreciation-13.53M-9.28M-2.84M-1.72M
GrossPPE35.61M27.71M23.81M6.22M
Leases6.23M3.23M3.12M746.00K
ConstructionInProgress3.72M4.28M3.23M2.52M
OtherProperties1.50M2.17M3.40M
MachineryFurnitureEquipment24.15M18.04M14.07M2.96M
BuildingsAndImprovements3.40M0.00
Properties0.000.000.000.00
CurrentAssets43.36M118.10M151.64M245.52M
OtherCurrentAssets614.00K771.00K477.00K259.00K
RestrictedCash906.00K1.37M1.21M1.22M
PrepaidAssets2.18M1.46M5.18M4.58M
Inventory5.64M3.37M0.00
InventoriesAdjustmentsAllowances-16.60M-11.29M0.00
FinishedGoods5.64M5.68M0.00
WorkInProcess4.52M1.24M0.00
RawMaterials12.08M7.74M0.00
Receivables2.42M3.07M4.95M517.00K
OtherReceivables2.20M1.08M
DuefromRelatedPartiesCurrent0.0066.00K
AccountsReceivable215.00K1.99M4.95M451.00K
CashCashEquivalentsAndShortTermInvestments31.60M108.06M139.81M238.94M
OtherShortTermInvestments18.26M87.90M105.05M0.00
CashAndCashEquivalents13.34M20.16M34.77M238.94M
Line Item2024-12-312023-12-312022-12-312021-12-31
FreeCashFlow-79.51M-60.69M-95.80M-54.62M
RepurchaseOfCapitalStock-297.00K-310.00K-2.81M0.00
RepaymentOfDebt0.00-1.73M-1.90M-21.07M
IssuanceOfDebt0.0020.00M
IssuanceOfCapitalStock0.0027.13M0.0027.02M
CapitalExpenditure-7.29M-5.79M-14.18M-2.77M
InterestPaidSupplementalData0.00154.00K1.80M
EndCashPosition15.20M22.48M36.66M240.23M
BeginningCashPosition22.48M36.66M240.23M6.39M
ChangesInCash-7.29M-14.17M-203.58M233.84M
FinancingCashFlow174.00K25.65M-4.07M288.45M
CashFlowFromContinuingFinancingActivities174.00K25.65M-4.07M288.45M
NetOtherFinancingCharges-214.00K-22.00K251.51M
ProceedsFromStockOptionExercised471.00K778.00K657.00K10.99M
NetPreferredStockIssuance0.0027.02M
PreferredStockIssuance0.0027.02M
NetCommonStockIssuance-297.00K26.82M-2.81M0.00
CommonStockPayments-297.00K-310.00K-2.81M0.00
CommonStockIssuance0.0027.13M0.00
NetIssuancePaymentsOfDebt0.00-1.73M-1.90M-1.07M
NetLongTermDebtIssuance0.00-1.73M-1.90M-1.07M
LongTermDebtPayments0.00-1.73M-1.90M-21.07M
LongTermDebtIssuance0.0020.00M
InvestingCashFlow64.76M15.07M-117.88M-2.77M
CashFlowFromContinuingInvestingActivities64.76M15.07M-117.88M-2.77M
NetInvestmentPurchaseAndSale72.05M20.86M-103.70M0.00
PurchaseOfInvestment-103.70M0.00
NetPPEPurchaseAndSale-7.29M-5.79M-14.18M-2.77M
PurchaseOfPPE-7.29M-5.79M-14.18M-2.77M
OperatingCashFlow-72.22M-54.90M-81.62M-51.85M
CashFlowFromContinuingOperatingActivities-72.22M-54.90M-81.62M-51.85M
ChangeInWorkingCapital-6.47M-1.65M8.46M2.09M
ChangeInOtherWorkingCapital-918.00K11.50M1.88M3.66M
ChangeInOtherCurrentLiabilities-1.53M-1.42M-1.12M0.00
ChangeInPayablesAndAccruedExpense4.68M-3.12M9.90M3.10M
ChangeInAccruedExpense440.00K-2.89M8.43M2.21M
ChangeInPayable4.24M-229.00K1.46M886.00K
ChangeInAccountPayable4.24M-229.00K1.46M886.00K
ChangeInPrepaidAssets-1.62M2.42M-311.00K-4.67M
ChangeInInventory-8.63M-14.66M0.00
ChangeInReceivables1.55M3.63M-1.89M0.00
ChangesInAccountReceivables1.55M3.63M-1.89M0.00
OtherNonCashItems-613.00K-2.46M268.00K153.94M
StockBasedCompensation11.57M10.63M11.89M7.92M
ProvisionandWriteOffofAssets-948.00K
AssetImpairmentCharge4.90M11.93M0.00
DepreciationAmortizationDepletion4.72M6.51M1.52M572.00K
DepreciationAndAmortization4.72M6.51M1.52M572.00K
Depreciation572.00K
OperatingGainsLosses-115.00K-2.29M-25.79M260.75M
GainLossOnInvestmentSecurities-115.00K-2.29M-25.79M260.75M
NetIncomeFromContinuingOperations-86.22M-77.58M-77.97M-477.12M
SEC Filings

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

Public Trades for GWH
Date User Broker Pattern Type Position Size Entry Price Trade P&L Status