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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,
 DF9iqJx5LGtejq3WyrIRdLq57dd3gJ0FBv15NUV6XwVTfBEO8ZIyEj1Xzpxq8i0y
 ra5QmNzS3F2dHndBNvxPjg==

<SEC-DOCUMENT>0001047862-09-000072.txt : 20090217
<SEC-HEADER>0001047862-09-000072.hdr.sgml : 20090216
<ACCEPTANCE-DATETIME>20090217215831
ACCESSION NUMBER:		0001047862-09-000072
CONFORMED SUBMISSION TYPE:	5
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20081231
FILED AS OF DATE:		20090217
DATE AS OF CHANGE:		20090217

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			RANGER MICHAEL W
		CENTRAL INDEX KEY:			0001221061

	FILING VALUES:
		FORM TYPE:		5
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14514
		FILM NUMBER:		09617150

	MAIL ADDRESS:	
		STREET 1:		C/O TXU CORP
		STREET 2:		1601 BRYAN ST
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75201

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CONSOLIDATED EDISON INC
		CENTRAL INDEX KEY:			0001047862
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC & OTHER SERVICES COMBINED [4931]
		IRS NUMBER:				133965100
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		4 IRVING PLACE
		STREET 2:		ROOM 1618 S
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10003
		BUSINESS PHONE:		2124604600

	MAIL ADDRESS:	
		STREET 1:		4 IRVING PLACE
		STREET 2:		ROOM 1618 S
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10003
</SEC-HEADER>
<DOCUMENT>
<TYPE>5
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>5</documentType>

    <periodOfReport>2008-12-31</periodOfReport>

    <form3HoldingsReported>0</form3HoldingsReported>

    <form4TransactionsReported>0</form4TransactionsReported>

    <issuer>
        <issuerCik>0001047862</issuerCik>
        <issuerName>CONSOLIDATED EDISON INC</issuerName>
        <issuerTradingSymbol>ED</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001221061</rptOwnerCik>
            <rptOwnerName>RANGER MICHAEL W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>CONSOLIDATED EDISON, INC. C/O SECRETARY</rptOwnerStreet1>
            <rptOwnerStreet2>4 IRVING PLACE, ROOM 1618-S</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10003</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3997.2</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Includes 39.282 and 53.516 Deferred Stock Units acquired on September 15, 2008 and December 15, 2008, respectively, pursuant to the Consolidated Edison, Inc. Long Term Incentive Plan's dividend reinvestment provision.  As per General Instruction 4(a) to Form 5, Column 5 sets forth the number of securities beneficially owned by the reporting person as of December 31, 2008.  As of the filing date of this report, the number of securities beneficially owned by the reporting person is 4147.93, reflecting certain transactions previously reported on Form 4 filing(s) during the period between December 31, 2008 and the filing date of this report.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Peter J. Barrett; Attorney-in-Fact</signatureName>
        <signatureDate>2009-02-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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