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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 a4Dz6kv/e+ShzC+8AAnzLQ==

<SEC-DOCUMENT>0001302408-04-000001.txt : 20040903
<SEC-HEADER>0001302408-04-000001.hdr.sgml : 20040903
<ACCEPTANCE-DATETIME>20040903170123
ACCESSION NUMBER:		0001302408-04-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040819
FILED AS OF DATE:		20040903
DATE AS OF CHANGE:		20040903

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Ahlstrom Bjorn
		CENTRAL INDEX KEY:			0001302408

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-25184
		FILM NUMBER:		041017367

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		760-320-8566

	MAIL ADDRESS:	
		STREET 1:		475 VALMONTE SUR
		CITY:			PALM SPRING
		STATE:			CA
		ZIP:			92262

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ENOVA SYSTEMS INC
		CENTRAL INDEX KEY:			0000922237
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRONIC COMPONENTS & ACCESSORIES [3670]
		IRS NUMBER:				953056150
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		19850 SOUTH MAGELLAN DR
		STREET 2:		SUITE 305
		CITY:			TORRANCE
		STATE:			CA
		ZIP:			90502
		BUSINESS PHONE:		3105272800

	MAIL ADDRESS:	
		STREET 1:		19850 SOUTH MAGELLAN DR
		STREET 2:		SUITE 305
		CITY:			TORRANCE
		STATE:			CA
		ZIP:			90502

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	US ELECTRICAR INC
		DATE OF NAME CHANGE:	19940425
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-08-19</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000922237</issuerCik>
        <issuerName>ENOVA SYSTEMS INC</issuerName>
        <issuerTradingSymbol>ENVA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001302408</rptOwnerCik>
            <rptOwnerName>Ahlstrom Bjorn</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>475 VALMONTE SUR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PALM SPRING</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92262</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common stock</value>
            </securityTitle>
            <transactionDate>
                <value>2004-08-19</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2004-08-19</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>36364</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.11</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>36364</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Each non-employee director receives, for attendance at an in-person Board meeting, a number equal to $2,000 divided by the current market price of the issuer's common stock as of the date of the meeting and, for attendance at committee meetings, a number equal to $500 divided by the current market price of the issuer's common stock as of the date of the meeting As of May 3, 2004, this compensation was increase by the board to $4,000 and $1,000 respectively.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Bjorn Ahlstrom</signatureName>
        <signatureDate>2004-09-03</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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