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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 NB2yvAisQunQyTy0Ja7GJw==

<SEC-DOCUMENT>0001047862-10-000018.txt : 20100108
<SEC-HEADER>0001047862-10-000018.hdr.sgml : 20100108
<ACCEPTANCE-DATETIME>20100108174107
ACCESSION NUMBER:		0001047862-10-000018
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20091231
FILED AS OF DATE:		20100108
DATE AS OF CHANGE:		20100108

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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Hernandez Sally
		CENTRAL INDEX KEY:			0001232649

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14514
		FILM NUMBER:		10518474

	MAIL ADDRESS:	
		STREET 1:		4 IRVING PLACE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10003

	FORMER NAME:	
		FORMER CONFORMED NAME:	HERNANDEZ PINERO SALLY
		DATE OF NAME CHANGE:	20030514
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-12-31</periodOfReport>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001232649</rptOwnerCik>
            <rptOwnerName>Hernandez Sally</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>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-12-31</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2010-01-06</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>23.45</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>45.02</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>25653.65</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Purchase of shares of common stock of Consolidated Edison, Inc. (the &quot;Company&quot;) under the Company's Stock Purchase Plan.</footnote>
        <footnote id="F2">Include 264.95 Deferred Stock Units (&quot;DSU&quot;) acquired on December 15, 2009 pursuant to the Company Long Term Incentive Plan's dividend reinvestment provision.  Each DSU represents one share of the Company's common stock.  Also includes 4.41 and 3.96 shares of Company common stock acquired on September 30, 2009 and December 31, 2009, respectively, pursuant to the Company Automatic Dividend Reinvestment and Cash Payment Plan.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Peter J. Barrett;   Attorney-in-Fact</signatureName>
        <signatureDate>2010-01-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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