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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 DVE5T81e92o241bugAxvwGDRWc9uRhBM4AtM1l3SdKk4CqcsgYUX7R9r4V61zWyc
 aJRHfSi45/koF7ew4Ol7wA==

<SEC-DOCUMENT>0001019687-10-004503.txt : 20101222
<SEC-HEADER>0001019687-10-004503.hdr.sgml : 20101222
<ACCEPTANCE-DATETIME>20101222171736
ACCESSION NUMBER:		0001019687-10-004503
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20101216
FILED AS OF DATE:		20101222
DATE AS OF CHANGE:		20101222

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ENTECH SOLAR, INC.
		CENTRAL INDEX KEY:			0000811271
		STANDARD INDUSTRIAL CLASSIFICATION:	PUMPS & PUMPING EQUIPMENT [3561]
		IRS NUMBER:				330123045
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		13301 PARK VISTA BOULEVARD
		STREET 2:		SUITE 100
		CITY:			FORT WORTH
		STATE:			TX
		ZIP:			76177
		BUSINESS PHONE:		817-224-3600

	MAIL ADDRESS:	
		STREET 1:		13301 PARK VISTA BOULEVARD
		STREET 2:		SUITE 100
		CITY:			FORT WORTH
		STATE:			TX
		ZIP:			76177

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	WORLDWATER & SOLAR TECHNOLOGIES CORP.
		DATE OF NAME CHANGE:	20070921

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	WORLDWATER & POWER CORP
		DATE OF NAME CHANGE:	20051110

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	WORLDWATER CORP
		DATE OF NAME CHANGE:	19971027

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Jemz Trust
		CENTRAL INDEX KEY:			0001508361
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34592
		FILM NUMBER:		101269683

	BUSINESS ADDRESS:	
		STREET 1:		1900 AVENUE OF THE STARS
		STREET 2:		20TH FLOOR
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90067
		BUSINESS PHONE:		310-201-7553

	MAIL ADDRESS:	
		STREET 1:		1900 AVENUE OF THE STARS
		STREET 2:		20TH FLOOR
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90067
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-12-16</periodOfReport>

    <issuer>
        <issuerCik>0000811271</issuerCik>
        <issuerName>ENTECH SOLAR, INC.</issuerName>
        <issuerTradingSymbol>ENSL.OB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001508361</rptOwnerCik>
            <rptOwnerName>Jemz Trust</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O JOSEPH P. BARTLETT</rptOwnerStreet1>
            <rptOwnerStreet2>1900 AVENUE OF THE STARS, 20TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES,</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90067</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-12-16</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>15000000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>.067</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>30000000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ David Gelbaum, Member,  AC Montgomery, LLC, Manager AC Montgomery Nevada, LLC, trustee</signatureName>
        <signatureDate>2010-12-21</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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