-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 SqbbRlHll1YcFsPyPqHM8OZ1cnGEdEcAkEsqqjuTrsL8VEey0JF5i/tcg8ZWWTGW
 YQcmsfiu1bvEt0yg0oNUQQ==

<SEC-DOCUMENT>0001282948-05-000027.txt : 20050930
<SEC-HEADER>0001282948-05-000027.hdr.sgml : 20050930
<ACCEPTANCE-DATETIME>20050930193618
ACCESSION NUMBER:		0001282948-05-000027
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050922
FILED AS OF DATE:		20050930
DATE AS OF CHANGE:		20050930

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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			RIDDELL EDWIN O
		CENTRAL INDEX KEY:			0001264530

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-25184
		FILM NUMBER:		051115479

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		8656818187

	MAIL ADDRESS:	
		STREET 1:		1819 HIMESWOOD WAY
		CITY:			MARYVILLE
		STATE:			TN
		ZIP:			37803
</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>2005-09-22</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001264530</rptOwnerCik>
            <rptOwnerName>RIDDELL EDWIN O</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1819 HIMESWOOD WAY</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MARYVILLE</rptOwnerCity>
            <rptOwnerState>TN</rptOwnerState>
            <rptOwnerZipCode>37803</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>2005-09-22</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2005-09-22</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>10000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>4.35</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>25825</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee stock option</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>4.35</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2005-09-22</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2005-09-22</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>60000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>4.35</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2006-01-15</value>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2015-09-21</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>60000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>82222</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Stock granted as compensation pursuant to the rules of the Company's Employee Stock Option Plan (&quot;the ESOP&quot;).</footnote>
        <footnote id="F2">UP TO 30,000 SHARES SHALL VEST COMMENCING 15 JANUARY 2006 BASED ON PERFORMANCE MILESTONES.  UP TO REMAINING 30,000 SHARES SHALL VEST COMMENCING 15 JANUARY 2007 BASED ON PERFORMANCE MILESTONES.  IN THE EVENT THAT PERFORMANCE MILESTONES ARE NOT MET, THE OPTIONS TO BE VESTED FOR THAT PERIOD SHALL TERMINATE IMMEDIATELY. OPTIONS SHALL REMAIN IN EFFECT FOR TEN YEARS FROM DATE OF GRANT WHILE EMPLOYED.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Edwin O Riddell</signatureName>
        <signatureDate>2005-09-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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