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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001209191-06-027292.txt : 20060503
<SEC-HEADER>0001209191-06-027292.hdr.sgml : 20060503
<ACCEPTANCE-DATETIME>20060503150739
ACCESSION NUMBER:		0001209191-06-027292
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060501
FILED AS OF DATE:		20060503
DATE AS OF CHANGE:		20060503

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PEABODY ENERGY CORP
		CENTRAL INDEX KEY:			0001064728
		STANDARD INDUSTRIAL CLASSIFICATION:	BITUMINOUS COAL & LIGNITE SURFACE MINING [1221]
		IRS NUMBER:				134004153
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		701 MARKET ST
		CITY:			ST LOUIS
		STATE:			MO
		ZIP:			63101-1826
		BUSINESS PHONE:		3143423400

	MAIL ADDRESS:	
		STREET 1:		701 MARKET ST
		CITY:			ST LOUIS
		STATE:			MO
		ZIP:			63101-1826

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	P&L COAL HOLDINGS CORP
		DATE OF NAME CHANGE:	19980623

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			NAVARRE RICHARD A
		CENTRAL INDEX KEY:			0001213886

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-16463
		FILM NUMBER:		06803411

	BUSINESS ADDRESS:	
		STREET 1:		PEABODY ENERGY CORP
		STREET 2:		701 MARKET ST
		CITY:			ST LOUIS
		STATE:			MO
		ZIP:			63101
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
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    <schemaVersion>X0202</schemaVersion>

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    <periodOfReport>2006-05-01</periodOfReport>

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        <issuerName>PEABODY ENERGY CORP</issuerName>
        <issuerTradingSymbol>BTU</issuerTradingSymbol>
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            <rptOwnerState>MO</rptOwnerState>
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            <isTenPercentOwner>0</isTenPercentOwner>
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            <officerTitle>EVP and CFO</officerTitle>
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            <transactionAmounts>
                <transactionShares>
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                </transactionShares>
                <transactionPricePerShare>
                    <value>66.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>81716</value>
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                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F1"/>
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                <natureOfOwnership>
                    <value>By Trust</value>
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        <nonDerivativeHolding>
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            <transactionDate>
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            <deemedExecutionDate></deemedExecutionDate>
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            </exerciseDate>
            <expirationDate>
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                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
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            <exerciseDate>
                <value>2005-06-15</value>
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                <footnoteId id="F4"/>
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                    <footnoteId id="F5"/>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
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            <expirationDate>
                <value>2015-04-01</value>
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                    <footnoteId id="F6"/>
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    <footnotes>
        <footnote id="F1">Pursuant to the Rule 10b5-1 trading plan referred to in footnote 2, upon exercise of the options the shares are immediately transferred to a family trust.</footnote>
        <footnote id="F2">This sale was effected pursuant to a pre-existing Rule 10b5-1 trading plan adopted by the reporting person.</footnote>
        <footnote id="F3">Shares held pursuant to the Company's Employee Stock Purchase Plan.</footnote>
        <footnote id="F4">The number of outstanding stock options and exercise prices have been adjusted to reflect the 2-for-1 stock split effected by the Company in February 2006.</footnote>
        <footnote id="F5">Not applicable.</footnote>
        <footnote id="F6">The numbers reported in this Column 9 of Table II do not include an additional 477,786 options with different expiration dates and exercise prices.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Richard A. Navarre


By:  Joseph W. Bean, Attorney-in-Fact</signatureName>
        <signatureDate>2006-05-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----