-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Dp9QmWosAGkxkjyTg0N5kJGIDHtQ30ePl2bKZtIYO1VMYSPrEfT0gWZSxh1KgOQH
 3/jbb4GgzYbE+pzPUpyUcw==

<SEC-DOCUMENT>0001282948-05-000018.txt : 20050422
<SEC-HEADER>0001282948-05-000018.hdr.sgml : 20050422
<ACCEPTANCE-DATETIME>20050422150451
ACCESSION NUMBER:		0001282948-05-000018
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050421
FILED AS OF DATE:		20050422
DATE AS OF CHANGE:		20050422

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:			Ahlstrom Bjorn
		CENTRAL INDEX KEY:			0001302408

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-25184
		FILM NUMBER:		05767256

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		760-320-8566

	MAIL ADDRESS:	
		STREET 1:		475 VALMONTE SUR
		CITY:			PALM SPRING
		STATE:			CA
		ZIP:			92262
</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>2005-04-21</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>2005-04-21</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2005-04-21</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>55556</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.09</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>169798</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 $4,000 divided by the current market price of the issuer's common stock as of the date of the meeting; for attendance at committee meetings, a number equal to $1,000 divided by the current market price of the issuer's common stock as of the date of the meeting and, for attendance at telephonic 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.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Bjorn Ahlstrom</signatureName>
        <signatureDate>2005-04-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----