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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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<SEC-DOCUMENT>0001106372-05-000018.txt : 20050512
<SEC-HEADER>0001106372-05-000018.hdr.sgml : 20050512
<ACCEPTANCE-DATETIME>20050512173915
ACCESSION NUMBER:		0001106372-05-000018
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050510
FILED AS OF DATE:		20050512
DATE AS OF CHANGE:		20050512

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LE GP LLC
		CENTRAL INDEX KEY:			0001276186
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11727
		FILM NUMBER:		05825605

	BUSINESS ADDRESS:	
		STREET 1:		2838 WOODSIDE STREET
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75204
		BUSINESS PHONE:		2149810700

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Energy Transfer Partners, L.P.
		CENTRAL INDEX KEY:			0001012569
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-RETAIL STORES, NEC [5990]
		IRS NUMBER:				731493906
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0831

	BUSINESS ADDRESS:	
		STREET 1:		2838 WOODSIDE
		STREET 2:		-
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75204
		BUSINESS PHONE:		9184927272

	MAIL ADDRESS:	
		STREET 1:		8801 SOUTH YALE AVE
		STREET 2:		STE 310
		CITY:			TULSA
		STATE:			OK
		ZIP:			74137

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ENERGY TRANSFER PARTNERS LP
		DATE OF NAME CHANGE:	20040405

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HERITAGE PROPANE PARTNERS L P
		DATE OF NAME CHANGE:	19960424
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-05-10</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001012569</issuerCik>
        <issuerName>Energy Transfer Partners, L.P.</issuerName>
        <issuerTradingSymbol>ETP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001276186</rptOwnerCik>
            <rptOwnerName>LE GP LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1></rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity></rptOwnerCity>
            <rptOwnerState></rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Units</value>
            </securityTitle>
            <transactionDate>
                <value>2005-05-10</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>631320</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>31135148</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote.</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Pro rata distribution to certain limited partners of Energy Transfer Company, L.P. (formerly known as La Grange Energy, L.P.).</footnote>
        <footnote id="F2">Reflects 2-for-1 split of Common Units distributed on March 15, 2005, to holders of record on February 28, 2005.</footnote>
        <footnote id="F3">All Common Units are owned indirectly through Energy Transfer Company, L.P., whose general partner is the reporting person.  Energy Transfer Company, L.P. wholly-owns the general partner of, as well as the limited partnership interests in, Energy Transfer Partners GP, L.P. (formerly known as U.S. Propane, L.P.), which is the general partner (with a 2% general partnership interest) of the Issuer.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>LE GP, LLC, By: /s/ Ray C. Davis, Co-Chief Executive Officer</signatureName>
        <signatureDate>2005-05-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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