-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 CuCSTRCWdFAQOgu1b26V0fZqadEvUKIYMhqU9+/F2rT5OCb8ywSMsWZAPu/jAEK/
 OrjW0AmqacGY+Fj6la0YKQ==

<SEC-DOCUMENT>0001144204-05-000161.txt : 20050104
<SEC-HEADER>0001144204-05-000161.hdr.sgml : 20050104
<ACCEPTANCE-DATETIME>20050104151440
ACCESSION NUMBER:		0001144204-05-000161
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20041027
FILED AS OF DATE:		20050104
DATE AS OF CHANGE:		20050104

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Feinstein Jacob
		CENTRAL INDEX KEY:			0001307601

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-10238
		FILM NUMBER:		05506686

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		(914)993-6443

	MAIL ADDRESS:	
		STREET 1:		ONE NORTH LEXINGTON AVENUE
		STREET 2:		FIFTEENTH FLOOR
		CITY:			WHITE PLAINS
		STATE:			NY
		ZIP:			10601

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			U S ENERGY SYSTEMS INC
		CENTRAL INDEX KEY:			0000351917
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC, GAS & SANITARY SERVICES [4900]
		IRS NUMBER:				521216347
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ONE NORTH LEXINGTON AVE
		STREET 2:		4TH FLOOR
		CITY:			WHITE PLAINS
		STATE:			NY
		ZIP:			10601
		BUSINESS PHONE:		9149936443

	MAIL ADDRESS:	
		STREET 1:		ONE NORTH LEXINGTON AVE
		STREET 2:		4TH FLOOR
		CITY:			WHITE PLAINS
		STATE:			NY
		ZIP:			10601

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	U S ENVIROSYSTEMS INC /DE/
		DATE OF NAME CHANGE:	19960607

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COGENIC ENERGY SYSTEMS INC
		DATE OF NAME CHANGE:	19940714
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>v010698_form4jacobex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-10-27</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000351917</issuerCik>
        <issuerName>U S ENERGY SYSTEMS INC</issuerName>
        <issuerTradingSymbol>USEY</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001307601</rptOwnerCik>
            <rptOwnerName>Feinstein Jacob</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O US ENERGY SYSTEMS INC.</rptOwnerStreet1>
            <rptOwnerStreet2>ONE NORTH LEXINGTON AVE</rptOwnerStreet2>
            <rptOwnerCity>WHITE PLAINS</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10601</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2004-12-31</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>4763</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>4763</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4763</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Option to Buy</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.69</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2004-10-27</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>40000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2004-10-27</value>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F4"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>40000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>40000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Each restricted stock unit represents the right to receive one share of U.S. Energy common stock.</footnote>
        <footnote id="F2">The reporting person has deferred receipt of the shares of common stock underlying the restricted stock units until the
earlier of such peron's death, disability, Change in Control and cessation of such person's service as a director of U.S.
Energy. Capitalized terms used without being defined herein shall have the meanings ascribed to such terms by U.S. Energy's
2000 Executive Incentive Compensation Plan.</footnote>
        <footnote id="F3">These options and restricted stock units are issued in connection with the reporting person's service as a director of the
Issuer.</footnote>
        <footnote id="F4">Exercisable for ten years from the date of grant.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Henry N. Schneider, attorney in fact</signatureName>
        <signatureDate>2005-01-04</signatureDate>
    </ownerSignature>
</ownershipDocument>

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