<SEC-DOCUMENT>0001047862-21-000099.txt : 20210407
<SEC-HEADER>0001047862-21-000099.hdr.sgml : 20210407
<ACCEPTANCE-DATETIME>20210407194519
ACCESSION NUMBER:		0001047862-21-000099
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210331
FILED AS OF DATE:		20210407
DATE AS OF CHANGE:		20210407

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			McAvoy John
		CENTRAL INDEX KEY:			0001564677

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14514
		FILM NUMBER:		21813494

	MAIL ADDRESS:	
		STREET 1:		4 IRVING PLACE, ROOM 16-205
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10003

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
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10003
		BUSINESS PHONE:		8005225635

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

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-03-31</periodOfReport>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001564677</rptOwnerCik>
            <rptOwnerName>McAvoy John</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>CONSOLIDATED EDISON, INC. C/O SECRETARY</rptOwnerStreet1>
            <rptOwnerStreet2>4 IRVING PLACE, SUITE 16-205</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>
            <officerTitle>Director, Non-Executive Chair</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-03-31</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2021-04-05</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>49.919</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>74.8</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>142259.228</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>27.24</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Tax Reduction Act Stock Ownership Plan (TRASOP)</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>19.061</value>
                    <footnoteId id="F4"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Consolidated Edison Thrift Savings Plan (Thrift)</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <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">Total includes 1418.442 Deferred Stock Units (&quot;DSUs&quot;) acquired on March 15, 2021 pursuant to the Company Long Term Incentive Plan's dividend reinvestment provision. Each DSU represents one share of the Company's common stock. Total also includes 2,509.549 and 1,758.274 shares of Company common stock previously owned indirectly through the TRASOP and Thrift, respectively.</footnote>
        <footnote id="F3">Between 02/28/21 and 03/31/21 the reporting person's shares of Company common stock under the TRASOP decreased by 2,509.549 in connection with a rollover to the reporting person's individual retirement account.  The balance left in the reporting person's account under the TRASOP relates to a dividend reinvestment received on March 15, 2021.  The information in this report is based on a TRASOP plan statement dated as of 03/31/21.</footnote>
        <footnote id="F4">Between 02/28/21 and 03/31/21 the reporting person's shares of Company common stock under the Thrift decreased by 1,758.274 in connection with a rollover to the reporting person's individual retirement account. The balance left in the reporting person's account under the Thrift relates to a dividend reinvestment received on March 15, 2021. The information in this report is based on a Thrift plan statement dated as of  03/31/21.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Vanessa M. Franklin; Attorney-in-Fact</signatureName>
        <signatureDate>2021-04-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
