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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 GoYDJMtnJ0b5dbtDQYaAKs1L+wDSYycZllwlS41NoXl6L4/ZHgfcVj7JWnIOwBkG
 eNGt4oBVD6U6DP++7/d7VQ==

<SEC-DOCUMENT>0001377144-06-000002.txt : 20061010
<SEC-HEADER>0001377144-06-000002.hdr.sgml : 20061009
<ACCEPTANCE-DATETIME>20061010173823
ACCESSION NUMBER:		0001377144-06-000002
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20061007
FILED AS OF DATE:		20061010
DATE AS OF CHANGE:		20061010

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ARRIOLA DENNIS V
		CENTRAL INDEX KEY:			0001377144

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-03779
		FILM NUMBER:		061138689

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		619-696-4373

	MAIL ADDRESS:	
		STREET 1:		101 ASH STREET HQ18
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92101

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SAN DIEGO GAS & ELECTRIC CO
		CENTRAL INDEX KEY:			0000086521
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC & OTHER SERVICES COMBINED [4931]
		IRS NUMBER:				951184800
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		8326 CENTURY PARK COURT
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92123
		BUSINESS PHONE:		6196962000

	MAIL ADDRESS:	
		STREET 1:		P O BOX 1831
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92112
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2006-10-07</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000086521</issuerCik>
        <issuerName>SAN DIEGO GAS &amp; ELECTRIC CO</issuerName>
        <issuerTradingSymbol>SDO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001377144</rptOwnerCik>
            <rptOwnerName>ARRIOLA DENNIS V</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>8330 CENTURY PARK CT.</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN DIEGO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92123</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Senior VP and CFO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Dennis V. Arriola</signatureName>
        <signatureDate>2006-10-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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