<SEC-DOCUMENT>0000899243-22-003137.txt : 20220125
<SEC-HEADER>0000899243-22-003137.hdr.sgml : 20220125
<ACCEPTANCE-DATETIME>20220125160533
ACCESSION NUMBER:		0000899243-22-003137
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20220124
FILED AS OF DATE:		20220125
DATE AS OF CHANGE:		20220125

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Dresselhuys Eric P.
		CENTRAL INDEX KEY:			0001571531

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39525
		FILM NUMBER:		22553970

	MAIL ADDRESS:	
		STREET 1:		555 BROADWAY STREET
		CITY:			REDWOOD CITY
		STATE:			CA
		ZIP:			94063

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ESS Tech, Inc.
		CENTRAL INDEX KEY:			0001819438
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT & SUPPLIES [3690]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		26440 SW PARKWAY AVE.
		STREET 2:		BLDG. 83
		CITY:			WILSONVILLE
		STATE:			OR
		ZIP:			97070
		BUSINESS PHONE:		(855) 423-9920

	MAIL ADDRESS:	
		STREET 1:		26440 SW PARKWAY AVE.
		STREET 2:		BLDG. 83
		CITY:			WILSONVILLE
		STATE:			OR
		ZIP:			97070

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ACON S2 Acquisition Corp.
		DATE OF NAME CHANGE:	20200728
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2022-01-24</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001819438</issuerCik>
        <issuerName>ESS Tech, Inc.</issuerName>
        <issuerTradingSymbol>GWH</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001571531</rptOwnerCik>
            <rptOwnerName>Dresselhuys Eric P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ESS TECH, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>26440 SW PARKWAY AVE., BLDG. 83</rptOwnerStreet2>
            <rptOwnerCity>WILSONVILLE</rptOwnerCity>
            <rptOwnerState>OR</rptOwnerState>
            <rptOwnerZipCode>97070</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Executive Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2022-01-24</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>59642</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>6.0528</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>869170</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units, or RSUs.</footnote>
        <footnote id="F2">The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $6.02 to $6.08, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Amir Moftakhar, by power of attorney</signatureName>
        <signatureDate>2022-01-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
