<SEC-DOCUMENT>0001127602-13-007145.txt : 20130220
<SEC-HEADER>0001127602-13-007145.hdr.sgml : 20130220
<ACCEPTANCE-DATETIME>20130220174906
ACCESSION NUMBER:		0001127602-13-007145
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20130215
FILED AS OF DATE:		20130220
DATE AS OF CHANGE:		20130220

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			miller brian a
		CENTRAL INDEX KEY:			0001348872

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12291
		FILM NUMBER:		13628057

	MAIL ADDRESS:	
		STREET 1:		4300 WILSON BOULEVARD
		CITY:			ARLINGTON
		STATE:			VA
		ZIP:			22203

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AES CORP
		CENTRAL INDEX KEY:			0000874761
		STANDARD INDUSTRIAL CLASSIFICATION:	COGENERATION SERVICES & SMALL POWER PRODUCERS [4991]
		IRS NUMBER:				541163725
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		4300 WILSON BOULEVARD
		CITY:			ARLINGTON
		STATE:			VA
		ZIP:			22203
		BUSINESS PHONE:		7035221315

	MAIL ADDRESS:	
		STREET 1:		4300 WILSON BOULEVARD
		CITY:			ARLINGTON
		STATE:			VA
		ZIP:			22203

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AES CORPORATION
		DATE OF NAME CHANGE:	19930328
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
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<DESCRIPTION>PRIMARY DOCUMENT
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    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2013-02-15</periodOfReport>

    <issuer>
        <issuerCik>0000874761</issuerCik>
        <issuerName>AES CORP</issuerName>
        <issuerTradingSymbol>AES</issuerTradingSymbol>
    </issuer>

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        <reportingOwnerId>
            <rptOwnerCik>0001348872</rptOwnerCik>
            <rptOwnerName>miller brian a</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>4300 WILSON BOULEVARD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ARLINGTON</rptOwnerCity>
            <rptOwnerState>VA</rptOwnerState>
            <rptOwnerZipCode>22203</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>EVP, General Counsel and Secy</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2013-02-15</value>
            </transactionDate>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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                <directOrIndirectOwnership>
                    <value>D</value>
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            <securityTitle>
                <value>Common Stock</value>
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                <value>2013-02-15</value>
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            <securityTitle>
                <value>Common Stock</value>
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                <sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By 401(k) Plan</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>11.17</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2013-02-15</value>
            </transactionDate>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>113062</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
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                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
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            <expirationDate>
                <value>2023-02-15</value>
            </expirationDate>
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                <underlyingSecurityTitle>
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                    <value>D</value>
                </directOrIndirectOwnership>
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        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F5"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2013-02-15</value>
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                <transactionFormType>4</transactionFormType>
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                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>5950</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>11.17</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
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                <footnoteId id="F5"/>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>5950</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>35038</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">This restricted stock unit award (&quot;RSU&quot;) was granted pursuant to The AES Corporation 2003 Long Term Compensation Plan and will vest in three equal annual installments beginning on February 15, 2014, if certain continuing employment conditions are satisfied.  If such conditions are satisfied, each RSU entitles the holder to one share of AES Common Stock for each RSU granted.</footnote>
        <footnote id="F2">Reflects tax withholding in connection with settlement of one third (each) previously reported 2011 and 2012 RSU awards.</footnote>
        <footnote id="F3">This includes a 6% (of base salary) discretionary retirement savings award granted pursuant to The AES Retirement Savings Plan (the &quot;Plan&quot;) as determined by The AES Corporation Board of Directors on February 15, 2013 subject to IRS contribution limits.  The closing stock price on February 15, 2013 was used to determine the number of shares awarded.  Between February 22, 2012 and February 15, 2013, this reporting person acquired an additional 1,227 shares of AES Common stock under the Plan, which are included in this amount.</footnote>
        <footnote id="F4">This stock option award was granted pursuant to The AES Corporation 2003 Long Term Compensation Plan and will vest in three equal annual installments if certain continuing employment conditions are satisfied.  If such conditions are satisfied, the first installment becomes exercisable on February 15, 2014 and the next two installments become exercisable on February 15, 2015 and February 15, 2016, respectively.</footnote>
        <footnote id="F5">These units were awarded pursuant to the Restoration Supplemental Retirement Plan (the &quot;Restoration Plan&quot;).  Generally, units under this Restoration Plan shall be paid out in cash following termination of employment or later as per the terms of the Restoration Plan document.  Each unit represents a hypothetical AES investment equal to one share of AES Common Stock and units under the Restoration Plan are 100% vested upon award.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/Brian A. Miller</signatureName>
        <signatureDate>2013-02-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</SEC-DOCUMENT>
