<SEC-DOCUMENT>0001214659-13-005275.txt : 20130917
<SEC-HEADER>0001214659-13-005275.hdr.sgml : 20130917
<ACCEPTANCE-DATETIME>20130917184603
ACCESSION NUMBER:		0001214659-13-005275
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20130913
FILED AS OF DATE:		20130917
DATE AS OF CHANGE:		20130917

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PORTLAND GENERAL ELECTRIC CO /OR/
		CENTRAL INDEX KEY:			0000784977
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC SERVICES [4911]
		IRS NUMBER:				930256820
		STATE OF INCORPORATION:			OR
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		121 SW SALMON ST
		STREET 2:		1WTC0501
		CITY:			PORTLAND
		STATE:			OR
		ZIP:			97204
		BUSINESS PHONE:		5034647779

	MAIL ADDRESS:	
		STREET 1:		121 SW SALMON STREET
		CITY:			PORTLAND
		STATE:			OR
		ZIP:			97204

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BARNETT ARLEEN N
		CENTRAL INDEX KEY:			0001254401

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-05532-99
		FILM NUMBER:		131102370

	MAIL ADDRESS:	
		STREET 1:		C/O ENRON CORP
		STREET 2:		1400 SMITH ST.
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77002-7361
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>marketforms-19749.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2013-09-13</periodOfReport>

    <issuer>
        <issuerCik>0000784977</issuerCik>
        <issuerName>PORTLAND GENERAL ELECTRIC CO /OR/</issuerName>
        <issuerTradingSymbol>POR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001254401</rptOwnerCik>
            <rptOwnerName>BARNETT ARLEEN N</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>121 SW SALMON STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PORTLAND</rptOwnerCity>
            <rptOwnerState>OR</rptOwnerState>
            <rptOwnerZipCode>97204</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>true</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle>Vice President</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2013-09-13</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2200</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>27.802</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>12137.29</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Includes 58.88 shares of common stock acquired pursuant to the company's employee stock purchase plan and related dividend reinvestment program and 28.18 shares of common stock acquired through the PGE DRIP.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Karen J. Lewis Power of Attorney on behalf of Reporting Person</signatureName>
        <signatureDate>2013-09-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
