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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 Uudlt94tODIBEXqpcd+z7GrCKlIFf8OcgrztOdYDyerMy22dg197dPSg15TpWZYV
 zMCP6zFAoiOYn78K8Z1J0A==

<SEC-DOCUMENT>0000788784-07-000039.txt : 20070502
<SEC-HEADER>0000788784-07-000039.hdr.sgml : 20070502
<ACCEPTANCE-DATETIME>20070502142835
ACCESSION NUMBER:		0000788784-07-000039
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20070331
FILED AS OF DATE:		20070502
DATE AS OF CHANGE:		20070502

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PUBLIC SERVICE ENTERPRISE GROUP INC
		CENTRAL INDEX KEY:			0000788784
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC & OTHER SERVICES COMBINED [4931]
		IRS NUMBER:				222625848
		STATE OF INCORPORATION:			NJ
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		CORPORATE ACCOUNTING SERVICES
		STREET 2:		80 PARK PLAZA, 9TH FLOOR
		CITY:			NEWARK
		STATE:			NJ
		ZIP:			07102-4194
		BUSINESS PHONE:		973-430-7000

	MAIL ADDRESS:	
		STREET 1:		CORPORATE ACCOUNTING SERVICES
		STREET 2:		80 PARK PLAZA, 9TH FLOOR
		CITY:			NEWARK
		STATE:			NJ
		ZIP:			07102-4194

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SWIFT RICHARD J
		CENTRAL INDEX KEY:			0001200537

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09120
		FILM NUMBER:		07809968

	BUSINESS ADDRESS:	
		STREET 1:		PSEG
		STREET 2:		80 PARK PLAZA
		CITY:			NEWARK
		STATE:			NJ
		ZIP:			07102-4194
		BUSINESS PHONE:		(201) 573-3241

	MAIL ADDRESS:	
		STREET 1:		C/O INGERSOLL-RAND COMPANY
		STREET 2:		155 CHESTNUT RIDGE ROAD
		CITY:			MONTVALE
		STATE:			NJ
		ZIP:			07645
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>swi801.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2007-03-31</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000788784</issuerCik>
        <issuerName>PUBLIC SERVICE ENTERPRISE GROUP INC</issuerName>
        <issuerTradingSymbol>PEG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001200537</rptOwnerCik>
            <rptOwnerName>SWIFT RICHARD J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>55 BUTTERNUT LANE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BASKING RIDGE</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>07920</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Phantom Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2007-03-31</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>150.4121</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>83.1050</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>1988-08-08</value>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>1988-08-08</value>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>150.4121</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>12856.9108</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Phantom Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2007-05-01</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1153</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>86.7500</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>1988-08-08</value>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>1988-08-08</value>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1153.0000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>14009.9108</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Phantom stock converts to common stock on a 1-for-1 basis.  Phantom stock represents the share equivalent of amount deferred under the Directors' Compensation Plan.</footnote>
        <footnote id="F2">The shares of phantom stock become payable, in cash or common stock, at the election of the reporting person, upon the reporting person's termination of services as a director.</footnote>
        <footnote id="F3">The derivative, phantom stock, does not have a corresponding exercisable date nor expiration date.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>By: Anthony Battista, As Attorney-in-fact for R. Swift</signatureName>
        <signatureDate>2007-05-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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