-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 EWs5eTy0NuQ8o5NiD7nod1O1O2nljfIAUsZRg03TL/z9wzMP6ofm7HguW/8hRFKS
 8Rn8EtAa0OQbv+X80t38qg==

<SEC-DOCUMENT>0000003673-08-000131.txt : 20080811
<SEC-HEADER>0000003673-08-000131.hdr.sgml : 20080811
<ACCEPTANCE-DATETIME>20080811133743
ACCESSION NUMBER:		0000003673-08-000131
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080804
FILED AS OF DATE:		20080811
DATE AS OF CHANGE:		20080811

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ALLEGHENY ENERGY, INC
		CENTRAL INDEX KEY:			0000003673
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC SERVICES [4911]
		IRS NUMBER:				135531602
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		800 CABIN HILL DRIVE
		CITY:			GREENSBURG
		STATE:			PA
		ZIP:			15601
		BUSINESS PHONE:		7248373000

	MAIL ADDRESS:	
		STREET 1:		800 CABIN HILL DRIVE
		CITY:			GREENSBURG
		STATE:			PA
		ZIP:			15601

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALLEGHENY ENERGY INC
		DATE OF NAME CHANGE:	19970926

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALLEGHENY POWER SYSTEM INC
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	WEST PENN ELECTRIC CO
		DATE OF NAME CHANGE:	19660908

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Gleason Eric S.
		CENTRAL INDEX KEY:			0001442462

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-00267
		FILM NUMBER:		081005299

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		724-837-3000

	MAIL ADDRESS:	
		STREET 1:		C/O ALLEGHENY ENERGY, INC.
		STREET 2:		800 CABIN HILL DRIVE
		CITY:			GREENSBURG
		STATE:			PA
		ZIP:			15601
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>form3gleason_ex.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0203</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2008-08-04</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000003673</issuerCik>
        <issuerName>ALLEGHENY ENERGY, INC</issuerName>
        <issuerTradingSymbol>AYE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001442462</rptOwnerCik>
            <rptOwnerName>Gleason Eric S.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ALLEGHENY ENERGY, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>800 CABIN HILL DRIVE</rptOwnerStreet2>
            <rptOwnerCity>GREENSBURG</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>15601</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Vice President - Corporate Dev</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <ownerSignature>
        <signatureName>Amanda J. Skov   Attorney-in-Fact</signatureName>
        <signatureDate>2008-08-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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