<XBRL>
<?xml version="1.0" encoding="UTF-8"?>
<!-- Generated by Fujitsu XWand B0126 -->
<link:linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:sre="http://www.sempra.com/20090930" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink">
  <link:roleRef roleURI="http://www.sempra.com/role/BalanceSheet" xlink:type="simple" xlink:href="sre-20090930.xsd#BalanceSheets"/>
  <link:roleRef roleURI="http://www.sempra.com/role/StatementOfOperations" xlink:type="simple" xlink:href="sre-20090930.xsd#StatementOfOperations"/>
  <link:roleRef roleURI="http://www.sempra.com/role/StatementsOfCashFlows" xlink:type="simple" xlink:href="sre-20090930.xsd#StatementsOfCashFlows"/>
  <link:calculationLink xlink:type="extended" xlink:role="http://www.sempra.com/role/StatementOfOperations">
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="NetIncomeLossAvailableToCommonStockholdersBasic" xlink:title="NetIncomeLossAvailableToCommonStockholdersBasic"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PreferredStockDividends" xlink:label="PreferredStockDividends" xlink:title="PreferredStockDividends"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetIncomeLossAvailableToCommonStockholdersBasic" xlink:to="PreferredStockDividends" xlink:title="calculation: NetIncomeLossAvailableToCommonStockholdersBasic to PreferredStockDividends" use="optional" order="1.0" weight="-1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="NetIncomeLoss" xlink:title="NetIncomeLoss"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetIncomeLossAvailableToCommonStockholdersBasic" xlink:to="NetIncomeLoss" xlink:title="calculation: NetIncomeLossAvailableToCommonStockholdersBasic to NetIncomeLoss" order="2.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="NetIncomeLossAttributableToNoncontrollingInterest" xlink:title="NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetIncomeLoss" xlink:to="NetIncomeLossAttributableToNoncontrollingInterest" xlink:title="calculation: NetIncomeLoss to NetIncomeLossAttributableToNoncontrollingInterest" use="optional" order="1.0" weight="-1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProfitLoss" xlink:label="ProfitLoss" xlink:title="ProfitLoss"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetIncomeLoss" xlink:to="ProfitLoss" xlink:title="calculation: NetIncomeLoss to ProfitLoss" use="optional" order="3.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="sre-20090930.xsd#sre_IncomeLossFromEquityMethodInvestmentsNetOfTax" xlink:label="IncomeLossFromEquityMethodInvestmentsNetOfTax" xlink:title="IncomeLossFromEquityMethodInvestmentsNetOfTax"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ProfitLoss" xlink:to="IncomeLossFromEquityMethodInvestmentsNetOfTax" xlink:title="calculation: ProfitLoss to IncomeLossFromEquityMethodInvestmentsNetOfTax" use="optional" order="1.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="IncomeTaxExpenseBenefit" xlink:title="IncomeTaxExpenseBenefit"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ProfitLoss" xlink:to="IncomeTaxExpenseBenefit" xlink:title="calculation: ProfitLoss to IncomeTaxExpenseBenefit" use="optional" order="2.0" weight="-1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:title="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ProfitLoss" xlink:to="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:title="calculation: ProfitLoss to IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" use="optional" order="3.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="sre-20090930.xsd#sre_EquityEarningsLossesFromJointVenture" xlink:label="EquityEarningsLossesFromJointVenture" xlink:title="RBSSempraCommoditiesEquityEarningsLosses"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="EquityEarningsLossesFromJointVenture" xlink:title="calculation: IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments to EquityEarningsLossesFromJointVenture" use="optional" order="12.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="IncomeLossFromEquityMethodInvestments" xlink:title="IncomeLossFromEquityMethodInvestments"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="IncomeLossFromEquityMethodInvestments" xlink:title="calculation: IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments to IncomeLossFromEquityMethodInvestments" use="optional" order="13.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="NonoperatingIncomeExpense" xlink:title="NonoperatingIncomeExpense"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="NonoperatingIncomeExpense" xlink:title="calculation: IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments to NonoperatingIncomeExpense" use="optional" order="14.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="InvestmentIncomeInterest" xlink:title="InvestmentIncomeInterest"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="InvestmentIncomeInterest" xlink:title="calculation: IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments to InvestmentIncomeInterest" use="optional" order="15.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InterestExpense" xlink:label="InterestExpense" xlink:title="InterestExpense"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="InterestExpense" xlink:title="calculation: IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments to InterestExpense" use="optional" order="16.0" weight="-1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RegulatedAndUnregulatedOperatingRevenue" xlink:label="RegulatedAndUnregulatedOperatingRevenue" xlink:title="RegulatedAndUnregulatedOperatingRevenue"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="RegulatedAndUnregulatedOperatingRevenue" xlink:title="calculation: IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments to RegulatedAndUnregulatedOperatingRevenue" order="1.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RegulatedOperatingRevenue" xlink:label="RegulatedOperatingRevenue" xlink:title="RegulatedOperatingRevenue"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="RegulatedAndUnregulatedOperatingRevenue" xlink:to="RegulatedOperatingRevenue" xlink:title="calculation: RegulatedAndUnregulatedOperatingRevenue to RegulatedOperatingRevenue" order="1.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_UnregulatedOperatingRevenue" xlink:label="UnregulatedOperatingRevenue" xlink:title="UnregulatedOperatingRevenue"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="RegulatedAndUnregulatedOperatingRevenue" xlink:to="UnregulatedOperatingRevenue" xlink:title="calculation: RegulatedAndUnregulatedOperatingRevenue to UnregulatedOperatingRevenue" order="2.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="OperatingIncomeLoss" xlink:title="OperatingIncomeLoss"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="OperatingIncomeLoss" xlink:title="calculation: IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments to OperatingIncomeLoss" order="11.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_UtilityRevenue" xlink:label="UtilityRevenue" xlink:title="UtilityRevenue"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingIncomeLoss" xlink:to="UtilityRevenue" xlink:title="calculation: OperatingIncomeLoss to UtilityRevenue" order="1.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ElectricUtilityRevenue" xlink:label="ElectricUtilityRevenue" xlink:title="ElectricUtilityRevenue"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="UtilityRevenue" xlink:to="ElectricUtilityRevenue" xlink:title="calculation: UtilityRevenue to ElectricUtilityRevenue" order="1.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GasDomesticRegulatedRevenue" xlink:label="GasDomesticRegulatedRevenue" xlink:title="GasDomesticRegulatedRevenue"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="UtilityRevenue" xlink:to="GasDomesticRegulatedRevenue" xlink:title="calculation: UtilityRevenue to GasDomesticRegulatedRevenue" order="2.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_UtilitiesOperatingExpense" xlink:label="UtilitiesOperatingExpense" xlink:title="UtilitiesOperatingExpense"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingIncomeLoss" xlink:to="UtilitiesOperatingExpense" xlink:title="calculation: OperatingIncomeLoss to UtilitiesOperatingExpense" order="3.0" weight="-1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_UtilitiesOperatingExpenseGasAndPetroleumPurchased" xlink:label="UtilitiesOperatingExpenseGasAndPetroleumPurchased" xlink:title="UtilitiesOperatingExpenseGasAndPetroleumPurchased"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="UtilitiesOperatingExpense" xlink:to="UtilitiesOperatingExpenseGasAndPetroleumPurchased" xlink:title="calculation: UtilitiesOperatingExpense to UtilitiesOperatingExpenseGasAndPetroleumPurchased" use="optional" order="1.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="sre-20090930.xsd#sre_UtilitiesCostOfElectricFuelAndPurchasedPower" xlink:label="UtilitiesCostOfElectricFuelAndPurchasedPower" xlink:title="UtilityCostOfElectricFuelAndPurchasedPower"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="UtilitiesOperatingExpense" xlink:to="UtilitiesCostOfElectricFuelAndPurchasedPower" xlink:title="calculation: UtilitiesOperatingExpense to UtilitiesCostOfElectricFuelAndPurchasedPower" use="optional" order="2.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_UtilitiesOperatingExpenseMaintenanceAndOperations" xlink:label="UtilitiesOperatingExpenseMaintenanceAndOperations" xlink:title="UtilitiesOperatingExpenseMaintenanceAndOperations"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="UtilitiesOperatingExpense" xlink:to="UtilitiesOperatingExpenseMaintenanceAndOperations" xlink:title="calculation: UtilitiesOperatingExpense to UtilitiesOperatingExpenseMaintenanceAndOperations" use="optional" order="3.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization" xlink:label="UtilitiesOperatingExpenseDepreciationAndAmortization" xlink:title="UtilitiesOperatingExpenseDepreciationAndAmortization"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="UtilitiesOperatingExpense" xlink:to="UtilitiesOperatingExpenseDepreciationAndAmortization" xlink:title="calculation: UtilitiesOperatingExpense to UtilitiesOperatingExpenseDepreciationAndAmortization" use="optional" order="4.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_UtilitiesOperatingExpenseTaxes" xlink:label="UtilitiesOperatingExpenseTaxes" xlink:title="UtilitiesOperatingExpenseTaxes"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="UtilitiesOperatingExpense" xlink:to="UtilitiesOperatingExpenseTaxes" xlink:title="calculation: UtilitiesOperatingExpense to UtilitiesOperatingExpenseTaxes" use="optional" order="5.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="sre-20090930.xsd#sre_UtilitiesLitigationExpense" xlink:label="UtilityLitigationExpense" xlink:title="UtilityLitigationExpense"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="UtilitiesOperatingExpense" xlink:to="UtilityLitigationExpense" xlink:title="calculation: UtilitiesOperatingExpense to UtilityLitigationExpense" order="6.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LossContingencyLossInPeriod" xlink:label="LossContingencyLossInPeriod" xlink:title="LossContingencyLossInPeriod"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="LossContingencyLossInPeriod" xlink:title="calculation: IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments to LossContingencyLossInPeriod" order="10.0" weight="-1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets" xlink:label="GainLossOnDispositionOfAssets" xlink:title="GainLossOnDispositionOfAssets"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="GainLossOnDispositionOfAssets" xlink:title="calculation: IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments to GainLossOnDispositionOfAssets" order="9.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TaxesOther" xlink:label="TaxesOther" xlink:title="TaxesOther"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="TaxesOther" xlink:title="calculation: IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments to TaxesOther" order="8.0" weight="-1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="DepreciationAndAmortization" xlink:title="DepreciationAndAmortization"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="DepreciationAndAmortization" xlink:title="calculation: IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments to DepreciationAndAmortization" use="optional" order="7.0" weight="-1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherCostAndExpenseOperating" xlink:label="OtherCostAndExpenseOperating" xlink:title="OtherCostAndExpenseOperating"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="OtherCostAndExpenseOperating" xlink:title="calculation: IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments to OtherCostAndExpenseOperating" use="optional" order="6.0" weight="-1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GasGatheringTransportationMarketingAndProcessingCosts" xlink:label="GasGatheringTransportationMarketingAndProcessingCosts" xlink:title="GasGatheringTransportationMarketingAndProcessingCosts"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="GasGatheringTransportationMarketingAndProcessingCosts" xlink:title="calculation: IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments to GasGatheringTransportationMarketingAndProcessingCosts" use="optional" order="5.0" weight="-1.0"/>
    <link:loc xlink:type="locator" xlink:href="sre-20090930.xsd#sre_CostOfNaturalGasElectricFuelAndPurchasedPower" xlink:label="CostOfNaturalGasElectricFuelAndPurchasedPower" xlink:title="CostOfNaturalGasElectricFuelAndPurchasedPower"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="CostOfNaturalGasElectricFuelAndPurchasedPower" xlink:title="calculation: IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments to CostOfNaturalGasElectricFuelAndPurchasedPower" use="optional" order="4.0" weight="-1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CostOfDomesticRegulatedElectric" xlink:label="CostOfDomesticRegulatedElectric" xlink:title="CostOfDomesticRegulatedElectric"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="CostOfDomesticRegulatedElectric" xlink:title="calculation: IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments to CostOfDomesticRegulatedElectric" use="optional" order="3.0" weight="-1.0"/>
    <link:loc xlink:type="locator" xlink:href="sre-20090930.xsd#sre_RegulatedCostOfNaturalGas" xlink:label="UtilitiesCostOfNaturalGas" xlink:title="UtilitiesCostOfNaturalGas"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="UtilitiesCostOfNaturalGas" xlink:title="calculation: IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments to UtilitiesCostOfNaturalGas" order="2.0" weight="-1.0"/>
    <link:loc xlink:type="locator" xlink:href="sre-20090930.xsd#sre_PreferredStockDividendsOfSubsidiaries" xlink:label="PreferredStockDividendsOfSubsidiaries" xlink:title="PreferredStockDividendsOfSubsidiaries"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetIncomeLoss" xlink:to="PreferredStockDividendsOfSubsidiaries" xlink:title="calculation: NetIncomeLoss to PreferredStockDividendsOfSubsidiaries" use="optional" order="2.0" weight="-1.0"/>
  </link:calculationLink>
  <link:calculationLink xlink:type="extended" xlink:role="http://www.sempra.com/role/BalanceSheet">
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_Assets" xlink:label="Assets" xlink:title="Assets"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="PropertyPlantAndEquipmentNet" xlink:title="PropertyPlantAndEquipmentNet"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:to="PropertyPlantAndEquipmentNet" xlink:title="calculation: Assets to PropertyPlantAndEquipmentNet" use="optional" order="3.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="PropertyPlantAndEquipmentGross" xlink:title="PropertyPlantAndEquipmentGross"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="PropertyPlantAndEquipmentNet" xlink:to="PropertyPlantAndEquipmentGross" xlink:title="calculation: PropertyPlantAndEquipmentNet to PropertyPlantAndEquipmentGross" use="optional" order="1.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:title="AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="PropertyPlantAndEquipmentNet" xlink:to="AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:title="calculation: PropertyPlantAndEquipmentNet to AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" use="optional" order="2.0" weight="-1.0"/>
    <link:loc xlink:type="locator" xlink:href="sre-20090930.xsd#sre_TotalInvestmentsAndOtherAssets" xlink:label="TotalInvestmentsAndOtherAssets" xlink:title="TotalInvestmentsAndOtherAssets"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:to="TotalInvestmentsAndOtherAssets" xlink:title="calculation: Assets to TotalInvestmentsAndOtherAssets" use="optional" order="2.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DueFromAffiliateNoncurrent" xlink:label="DueFromAffiliateNoncurrent" xlink:title="DueFromAffiliateNoncurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="TotalInvestmentsAndOtherAssets" xlink:to="DueFromAffiliateNoncurrent" xlink:title="calculation: TotalInvestmentsAndOtherAssets to DueFromAffiliateNoncurrent" use="optional" order="1.25" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="sre-20090930.xsd#sre_DeferredIncomeTaxesRecoverableInRates" xlink:label="DeferredIncomeTaxesRecoverableInRates" xlink:title="DeferredIncomeTaxesRecoverableInRates"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="TotalInvestmentsAndOtherAssets" xlink:to="DeferredIncomeTaxesRecoverableInRates" xlink:title="calculation: TotalInvestmentsAndOtherAssets to DeferredIncomeTaxesRecoverableInRates" use="optional" order="2.25" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="sre-20090930.xsd#sre_RegulatoryAssetsArisingFromFixedPriceContractsAndOtherDerivativesNoncurrent" xlink:label="RegulatoryAssetsArisingFromFixedPriceContractsAndOtherDerivatives" xlink:title="RegulatoryAssetsArisingFromFixedPriceContractsAndOtherDerivatives"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="TotalInvestmentsAndOtherAssets" xlink:to="RegulatoryAssetsArisingFromFixedPriceContractsAndOtherDerivatives" xlink:title="calculation: TotalInvestmentsAndOtherAssets to RegulatoryAssetsArisingFromFixedPriceContractsAndOtherDerivatives" use="optional" order="3.25" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="sre-20090930.xsd#sre_RegulatoryAssetsArisingFromPensionAndOtherPostretirementBenefitObligations" xlink:label="RegulatoryAssetsArisingFromPensionAndOtherPostretirementBenefitObligations" xlink:title="RegulatoryAssetsArisingFromPensionAndOtherPostretirementBenefitObligations"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="TotalInvestmentsAndOtherAssets" xlink:to="RegulatoryAssetsArisingFromPensionAndOtherPostretirementBenefitObligations" xlink:title="calculation: TotalInvestmentsAndOtherAssets to RegulatoryAssetsArisingFromPensionAndOtherPostretirementBenefitObligations" use="optional" order="4.25" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RegulatoryAssetsNoncurrent" xlink:label="RegulatoryAssetsNoncurrent" xlink:title="RegulatoryAssetsNoncurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="TotalInvestmentsAndOtherAssets" xlink:to="RegulatoryAssetsNoncurrent" xlink:title="calculation: TotalInvestmentsAndOtherAssets to RegulatoryAssetsNoncurrent" use="optional" order="5.25" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DecommissioningFundInvestments" xlink:label="DecommissioningFundInvestments" xlink:title="DecommissioningFundInvestments"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="TotalInvestmentsAndOtherAssets" xlink:to="DecommissioningFundInvestments" xlink:title="calculation: TotalInvestmentsAndOtherAssets to DecommissioningFundInvestments" use="optional" order="6.25" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="sre-20090930.xsd#sre_InvestmentInJointVenture" xlink:label="InvestmentInRBSSempraCommoditiesLLP" xlink:title="InvestmentInRBSSempraCommoditiesLLP"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="TotalInvestmentsAndOtherAssets" xlink:to="InvestmentInRBSSempraCommoditiesLLP" xlink:title="calculation: TotalInvestmentsAndOtherAssets to InvestmentInRBSSempraCommoditiesLLP" use="optional" order="7.25" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:label="InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:title="InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="TotalInvestmentsAndOtherAssets" xlink:to="InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:title="calculation: TotalInvestmentsAndOtherAssets to InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" use="optional" order="8.25" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="sre-20090930.xsd#sre_GoodwillAndOtherIntangibleAssets" xlink:label="GoodwillAndOtherIntangibleAssets" xlink:title="GoodwillAndOtherIntangibleAssets"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="TotalInvestmentsAndOtherAssets" xlink:to="GoodwillAndOtherIntangibleAssets" xlink:title="calculation: TotalInvestmentsAndOtherAssets to GoodwillAndOtherIntangibleAssets" use="optional" order="9.25" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent" xlink:label="DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent" xlink:title="DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="TotalInvestmentsAndOtherAssets" xlink:to="DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent" xlink:title="calculation: TotalInvestmentsAndOtherAssets to DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent" use="optional" order="10.25" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="OtherAssetsNoncurrent" xlink:title="OtherAssetsNoncurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="TotalInvestmentsAndOtherAssets" xlink:to="OtherAssetsNoncurrent" xlink:title="calculation: TotalInvestmentsAndOtherAssets to OtherAssetsNoncurrent" use="optional" order="11.25" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="AssetsCurrent" xlink:title="AssetsCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:to="AssetsCurrent" xlink:title="calculation: Assets to AssetsCurrent" use="optional" order="1.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="CashAndCashEquivalentsAtCarryingValue" xlink:title="CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:to="CashAndCashEquivalentsAtCarryingValue" xlink:title="calculation: AssetsCurrent to CashAndCashEquivalentsAtCarryingValue" use="optional" order="1.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShortTermInvestments" xlink:label="ShortTermInvestments" xlink:title="ShortTermInvestments"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:to="ShortTermInvestments" xlink:title="calculation: AssetsCurrent to ShortTermInvestments" use="optional" order="2.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" xlink:label="RestrictedCashAndCashEquivalentsAtCarryingValue" xlink:title="RestrictedCashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:to="RestrictedCashAndCashEquivalentsAtCarryingValue" xlink:title="calculation: AssetsCurrent to RestrictedCashAndCashEquivalentsAtCarryingValue" use="optional" order="3.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="AccountsReceivableNetCurrent" xlink:title="AccountsReceivableNetCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:to="AccountsReceivableNetCurrent" xlink:title="calculation: AssetsCurrent to AccountsReceivableNetCurrent" use="optional" order="4.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccountsNotesAndLoansReceivableNetCurrent" xlink:label="AccountsNotesAndLoansReceivableNetCurrent" xlink:title="AccountsNotesAndLoansReceivableNetCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:to="AccountsNotesAndLoansReceivableNetCurrent" xlink:title="calculation: AssetsCurrent to AccountsNotesAndLoansReceivableNetCurrent" use="optional" order="5.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeTaxesReceivable" xlink:label="IncomeTaxesReceivable" xlink:title="IncomeTaxesReceivable"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:to="IncomeTaxesReceivable" xlink:title="calculation: AssetsCurrent to IncomeTaxesReceivable" use="optional" order="6.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredTaxAssetsNetCurrent" xlink:label="DeferredTaxAssetsNetCurrent" xlink:title="DeferredTaxAssetsNetCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:to="DeferredTaxAssetsNetCurrent" xlink:title="calculation: AssetsCurrent to DeferredTaxAssetsNetCurrent" use="optional" order="7.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InventoryNet" xlink:label="InventoryNet" xlink:title="InventoryNet"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:to="InventoryNet" xlink:title="calculation: AssetsCurrent to InventoryNet" use="optional" order="8.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RegulatoryAssetsCurrent" xlink:label="RegulatoryAssetsCurrent" xlink:title="RegulatoryAssetsCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:to="RegulatoryAssetsCurrent" xlink:title="calculation: AssetsCurrent to RegulatoryAssetsCurrent" use="optional" order="9.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeAssetsCurrent" xlink:label="DerivativeAssetsCurrent" xlink:title="DerivativeAssetsCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:to="DerivativeAssetsCurrent" xlink:title="calculation: AssetsCurrent to DerivativeAssetsCurrent" use="optional" order="10.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="OtherAssetsCurrent" xlink:title="OtherAssetsCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:to="OtherAssetsCurrent" xlink:title="calculation: AssetsCurrent to OtherAssetsCurrent" use="optional" order="11.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DueFromAffiliateCurrent" xlink:label="DueFromAffiliateCurrent" xlink:title="DueFromAffiliateCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:to="DueFromAffiliateCurrent" xlink:title="calculation: AssetsCurrent to DueFromAffiliateCurrent" use="optional" order="6.5" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InsuranceSettlementsReceivable" xlink:label="InsuranceSettlementsReceivable" xlink:title="InsuranceSettlementsReceivable"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:to="InsuranceSettlementsReceivable" xlink:title="calculation: AssetsCurrent to InsuranceSettlementsReceivable" use="optional" order="10.5" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="sre-20090930.xsd#sre_RegulatoryAssetsArisingFromFixedPriceContractsAndOtherDerivativesCurrent" xlink:label="RegulatoryAssetsArisingFromFixedPriceContractsAndOtherDerivativesCurrent" xlink:title="RegulatoryAssetsArisingFromFixedPriceContractsAndOtherDerivativesCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:to="RegulatoryAssetsArisingFromFixedPriceContractsAndOtherDerivativesCurrent" xlink:title="calculation: AssetsCurrent to RegulatoryAssetsArisingFromFixedPriceContractsAndOtherDerivativesCurrent" order="8.5" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="LiabilitiesAndStockholdersEquity" xlink:title="LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="LiabilitiesCurrent" xlink:title="LiabilitiesCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesAndStockholdersEquity" xlink:to="LiabilitiesCurrent" xlink:title="calculation: LiabilitiesAndStockholdersEquity to LiabilitiesCurrent" use="optional" order="1.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ShortTermBorrowings" xlink:label="ShortTermBorrowings" xlink:title="ShortTermBorrowings"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesCurrent" xlink:to="ShortTermBorrowings" xlink:title="calculation: LiabilitiesCurrent to ShortTermBorrowings" use="optional" order="1.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="sre-20090930.xsd#sre_RegulatoryBalancingAccountsNet" xlink:label="RegulatoryBalancingAccountsNet" xlink:title="RegulatoryBalancingAccountsNet"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesCurrent" xlink:to="RegulatoryBalancingAccountsNet" xlink:title="calculation: LiabilitiesCurrent to RegulatoryBalancingAccountsNet" use="optional" order="7.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeLiabilitiesCurrent" xlink:label="DerivativeLiabilitiesCurrent" xlink:title="DerivativeLiabilitiesCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesCurrent" xlink:to="DerivativeLiabilitiesCurrent" xlink:title="calculation: LiabilitiesCurrent to DerivativeLiabilitiesCurrent" use="optional" order="9.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CustomerDepositsCurrent" xlink:label="CustomerDepositsCurrent" xlink:title="CustomerDepositsCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesCurrent" xlink:to="CustomerDepositsCurrent" xlink:title="calculation: LiabilitiesCurrent to CustomerDepositsCurrent" use="optional" order="10.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherLiabilitiesCurrent" xlink:label="OtherLiabilitiesCurrent" xlink:title="OtherLiabilitiesCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesCurrent" xlink:to="OtherLiabilitiesCurrent" xlink:title="calculation: LiabilitiesCurrent to OtherLiabilitiesCurrent" use="optional" order="11.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccountsPayableTradeCurrent" xlink:label="AccountsPayableTradeCurrent" xlink:title="AccountsPayableTradeCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesCurrent" xlink:to="AccountsPayableTradeCurrent" xlink:title="calculation: LiabilitiesCurrent to AccountsPayableTradeCurrent" order="2.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccountsPayableOtherCurrent" xlink:label="AccountsPayableOtherCurrent" xlink:title="AccountsPayableOtherCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesCurrent" xlink:to="AccountsPayableOtherCurrent" xlink:title="calculation: LiabilitiesCurrent to AccountsPayableOtherCurrent" order="3.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_InterestAndDividendsPayableCurrent" xlink:label="InterestAndDividendsPayableCurrent" xlink:title="InterestAndDividendsPayableCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesCurrent" xlink:to="InterestAndDividendsPayableCurrent" xlink:title="calculation: LiabilitiesCurrent to InterestAndDividendsPayableCurrent" order="5.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DueToAffiliateCurrent" xlink:label="DueToAffiliateCurrent" xlink:title="DueToAffiliateCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesCurrent" xlink:to="DueToAffiliateCurrent" xlink:title="calculation: LiabilitiesCurrent to DueToAffiliateCurrent" order="4.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent" xlink:label="EmployeeRelatedLiabilitiesCurrent" xlink:title="EmployeeRelatedLiabilitiesCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesCurrent" xlink:to="EmployeeRelatedLiabilitiesCurrent" xlink:title="calculation: LiabilitiesCurrent to EmployeeRelatedLiabilitiesCurrent" use="optional" order="6.5" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_SharesSubjectToMandatoryRedemptionSettlementTermsAmountCurrent" xlink:label="SharesSubjectToMandatoryRedemptionSettlementTermsAmountCurrent" xlink:title="SharesSubjectToMandatoryRedemptionSettlementTermsAmountCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesCurrent" xlink:to="SharesSubjectToMandatoryRedemptionSettlementTermsAmountCurrent" xlink:title="calculation: LiabilitiesCurrent to SharesSubjectToMandatoryRedemptionSettlementTermsAmountCurrent" use="optional" order="7.5" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredTaxLiabilitiesCurrent" xlink:label="DeferredTaxLiabilitiesCurrent" xlink:title="DeferredTaxLiabilitiesCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesCurrent" xlink:to="DeferredTaxLiabilitiesCurrent" xlink:title="calculation: LiabilitiesCurrent to DeferredTaxLiabilitiesCurrent" use="optional" order="7.6" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccruedIncomeTaxesCurrent" xlink:label="AccruedIncomeTaxesCurrent" xlink:title="AccruedIncomeTaxesCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesCurrent" xlink:to="AccruedIncomeTaxesCurrent" xlink:title="calculation: LiabilitiesCurrent to AccruedIncomeTaxesCurrent" use="optional" order="7.7" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LitigationReserveCurrent" xlink:label="LitigationReserveCurrent" xlink:title="LitigationReserveCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesCurrent" xlink:to="LitigationReserveCurrent" xlink:title="calculation: LiabilitiesCurrent to LitigationReserveCurrent" use="optional" order="10.5" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent" xlink:label="LongTermDebtAndCapitalLeaseObligationsCurrent" xlink:title="LongTermDebtAndCapitalLeaseObligationsCurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesCurrent" xlink:to="LongTermDebtAndCapitalLeaseObligationsCurrent" xlink:title="calculation: LiabilitiesCurrent to LongTermDebtAndCapitalLeaseObligationsCurrent" order="8.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="sre-20090930.xsd#sre_TotalDeferredCreditsAndOtherLiabilities" xlink:label="TotalDeferredCreditsAndOtherLiabilities" xlink:title="TotalDeferredCreditsAndOtherLiabilities"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesAndStockholdersEquity" xlink:to="TotalDeferredCreditsAndOtherLiabilities" xlink:title="calculation: LiabilitiesAndStockholdersEquity to TotalDeferredCreditsAndOtherLiabilities" use="optional" order="3.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DueToAffiliateNoncurrent" xlink:label="DueToAffiliateNoncurrent" xlink:title="DueToAffiliateNoncurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="TotalDeferredCreditsAndOtherLiabilities" xlink:to="DueToAffiliateNoncurrent" xlink:title="calculation: TotalDeferredCreditsAndOtherLiabilities to DueToAffiliateNoncurrent" use="optional" order="1.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CustomerAdvancesForConstruction" xlink:label="CustomerAdvancesForConstruction" xlink:title="CustomerAdvancesForConstruction"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="TotalDeferredCreditsAndOtherLiabilities" xlink:to="CustomerAdvancesForConstruction" xlink:title="calculation: TotalDeferredCreditsAndOtherLiabilities to CustomerAdvancesForConstruction" use="optional" order="2.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="DeferredTaxLiabilitiesNoncurrent" xlink:title="DeferredTaxLiabilitiesNoncurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="TotalDeferredCreditsAndOtherLiabilities" xlink:to="DeferredTaxLiabilitiesNoncurrent" xlink:title="calculation: TotalDeferredCreditsAndOtherLiabilities to DeferredTaxLiabilitiesNoncurrent" use="optional" order="4.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccumulatedDeferredInvestmentTaxCredit" xlink:label="AccumulatedDeferredInvestmentTaxCredit" xlink:title="AccumulatedDeferredInvestmentTaxCredit"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="TotalDeferredCreditsAndOtherLiabilities" xlink:to="AccumulatedDeferredInvestmentTaxCredit" xlink:title="calculation: TotalDeferredCreditsAndOtherLiabilities to AccumulatedDeferredInvestmentTaxCredit" use="optional" order="5.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="sre-20090930.xsd#sre_RegulatoryLiabilitiesArisingFromRemovalObligations" xlink:label="RegulatoryLiabilitiesArisingFromRemovalObligations" xlink:title="RegulatoryLiabilitiesArisingFromRemovalObligations"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="TotalDeferredCreditsAndOtherLiabilities" xlink:to="RegulatoryLiabilitiesArisingFromRemovalObligations" xlink:title="calculation: TotalDeferredCreditsAndOtherLiabilities to RegulatoryLiabilitiesArisingFromRemovalObligations" use="optional" order="6.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AssetRetirementObligationsNoncurrent" xlink:label="AssetRetirementObligationsNoncurrent" xlink:title="AssetRetirementObligationsNoncurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="TotalDeferredCreditsAndOtherLiabilities" xlink:to="AssetRetirementObligationsNoncurrent" xlink:title="calculation: TotalDeferredCreditsAndOtherLiabilities to AssetRetirementObligationsNoncurrent" use="optional" order="7.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeLiabilitiesNoncurrent" xlink:label="DerivativeLiabilitiesNoncurrent" xlink:title="DerivativeLiabilitiesNoncurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="TotalDeferredCreditsAndOtherLiabilities" xlink:to="DerivativeLiabilitiesNoncurrent" xlink:title="calculation: TotalDeferredCreditsAndOtherLiabilities to DerivativeLiabilitiesNoncurrent" use="optional" order="9.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" xlink:label="PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" xlink:title="PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="TotalDeferredCreditsAndOtherLiabilities" xlink:to="PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" xlink:title="calculation: TotalDeferredCreditsAndOtherLiabilities to PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" order="3.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="sre-20090930.xsd#sre_RegulatoryLiabilitiesArisingFromPensionAndOtherPostretirementBenefitObligations" xlink:label="RegulatoryLiabilitiesArisingFromPensionAndOtherPostretirementBenefitObligations" xlink:title="RegulatoryLiabilitiesArisingFromPensionAndOtherPostretirementBenefitObligations"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="TotalDeferredCreditsAndOtherLiabilities" xlink:to="RegulatoryLiabilitiesArisingFromPensionAndOtherPostretirementBenefitObligations" xlink:title="calculation: TotalDeferredCreditsAndOtherLiabilities to RegulatoryLiabilitiesArisingFromPensionAndOtherPostretirementBenefitObligations" use="optional" order="6.5" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="sre-20090930.xsd#sre_DeferredTaxesRefundableInRates" xlink:label="DeferredTaxesRefundableInRates" xlink:title="DeferredTaxesRefundableInRates"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="TotalDeferredCreditsAndOtherLiabilities" xlink:to="DeferredTaxesRefundableInRates" xlink:title="calculation: TotalDeferredCreditsAndOtherLiabilities to DeferredTaxesRefundableInRates" use="optional" order="7.5" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RegulatoryLiabilityNoncurrent" xlink:label="RegulatoryLiabilityNoncurrent" xlink:title="RegulatoryLiabilityNoncurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="TotalDeferredCreditsAndOtherLiabilities" xlink:to="RegulatoryLiabilityNoncurrent" xlink:title="calculation: TotalDeferredCreditsAndOtherLiabilities to RegulatoryLiabilityNoncurrent" use="optional" order="8.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="OtherLiabilitiesNoncurrent" xlink:title="OtherLiabilitiesNoncurrent"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="TotalDeferredCreditsAndOtherLiabilities" xlink:to="OtherLiabilitiesNoncurrent" xlink:title="calculation: TotalDeferredCreditsAndOtherLiabilities to OtherLiabilitiesNoncurrent" order="10.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:title="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesAndStockholdersEquity" xlink:to="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:title="calculation: LiabilitiesAndStockholdersEquity to StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" use="optional" order="5.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="sre-20090930.xsd#sre_PreferredStockOfSubsidiaries" xlink:label="PreferredStockOfSubsidiaries" xlink:title="PreferredStockOfSubsidiaries"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="PreferredStockOfSubsidiaries" xlink:title="calculation: StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest to PreferredStockOfSubsidiaries" use="optional" order="1.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_MinorityInterest" xlink:label="MinorityInterest" xlink:title="MinorityInterest"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="MinorityInterest" xlink:title="calculation: StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest to MinorityInterest" use="optional" order="2.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="StockholdersEquity" xlink:title="StockholdersEquity"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="StockholdersEquity" xlink:title="calculation: StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest to StockholdersEquity" use="optional" order="3.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="PreferredStockValue" xlink:title="PreferredStockValue"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquity" xlink:to="PreferredStockValue" xlink:title="calculation: StockholdersEquity to PreferredStockValue" use="optional" order="1.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CommonStockValue" xlink:label="CommonStockValue" xlink:title="CommonStockValue"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquity" xlink:to="CommonStockValue" xlink:title="calculation: StockholdersEquity to CommonStockValue" use="optional" order="2.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="RetainedEarningsAccumulatedDeficit" xlink:title="RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquity" xlink:to="RetainedEarningsAccumulatedDeficit" xlink:title="calculation: StockholdersEquity to RetainedEarningsAccumulatedDeficit" use="optional" order="3.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredCompensationEquity" xlink:label="DeferredCompensationEquity" xlink:title="DeferredCompensationEquity"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquity" xlink:to="DeferredCompensationEquity" xlink:title="calculation: StockholdersEquity to DeferredCompensationEquity" use="optional" order="4.0" weight="-1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:title="AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquity" xlink:to="AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:title="calculation: StockholdersEquity to AccumulatedOtherComprehensiveIncomeLossNetOfTax" use="optional" order="5.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_TemporaryEquityCarryingAmount" xlink:label="TemporaryEquityCarryingAmount" xlink:title="TemporaryEquityCarryingAmount"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesAndStockholdersEquity" xlink:to="TemporaryEquityCarryingAmount" xlink:title="calculation: LiabilitiesAndStockholdersEquity to TemporaryEquityCarryingAmount" order="4.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations" xlink:label="LongTermDebtAndCapitalLeaseObligations" xlink:title="LongTermDebtAndCapitalLeaseObligations"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesAndStockholdersEquity" xlink:to="LongTermDebtAndCapitalLeaseObligations" xlink:title="calculation: LiabilitiesAndStockholdersEquity to LongTermDebtAndCapitalLeaseObligations" order="2.0" weight="1.0"/>
  </link:calculationLink>
  <link:calculationLink xlink:type="extended" xlink:role="http://www.sempra.com/role/StatementsOfCashFlows">
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:title="CashAndCashEquivalentsPeriodIncreaseDecrease"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="NetCashProvidedByUsedInOperatingActivities" xlink:title="NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:to="NetCashProvidedByUsedInOperatingActivities" xlink:title="calculation: CashAndCashEquivalentsPeriodIncreaseDecrease to NetCashProvidedByUsedInOperatingActivities" use="optional" order="1.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProfitLoss" xlink:label="ProfitLoss" xlink:title="ProfitLoss"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:to="ProfitLoss" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivities to ProfitLoss" use="optional" order="1.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="DepreciationAndAmortization" xlink:title="DepreciationAndAmortization"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:to="DepreciationAndAmortization" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivities to DepreciationAndAmortization" use="optional" order="3.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DeferredIncomeTaxesAndTaxCredits" xlink:label="DeferredIncomeTaxesAndTaxCredits" xlink:title="DeferredIncomeTaxesAndTaxCredits"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:to="DeferredIncomeTaxesAndTaxCredits" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivities to DeferredIncomeTaxesAndTaxCredits" use="optional" order="5.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" xlink:label="IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" xlink:title="IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:to="IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivities to IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions" use="optional" order="6.0" weight="-1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_DerivativeGainLossOnDerivativeNet" xlink:label="DerivativeGainLossOnDerivativeNet" xlink:title="DerivativeGainLossOnDerivativeNet"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:to="DerivativeGainLossOnDerivativeNet" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivities to DerivativeGainLossOnDerivativeNet" use="optional" order="9.0" weight="-1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther" xlink:label="AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther" xlink:title="AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:to="AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivities to AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOther" use="optional" order="11.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapital" xlink:label="IncreaseDecreaseInOperatingCapital" xlink:title="IncreaseDecreaseInOperatingCapital"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:to="IncreaseDecreaseInOperatingCapital" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivities to IncreaseDecreaseInOperatingCapital" use="optional" order="12.0" weight="-1.0"/>
    <link:loc xlink:type="locator" xlink:href="sre-20090930.xsd#sre_DistributionsFromJointVenture" xlink:label="DistributionsFromJointVenture" xlink:title="DistributionsFromRBSSempraCommoditiesLLP"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:to="DistributionsFromJointVenture" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivities to DistributionsFromJointVenture" use="optional" order="13.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="sre-20090930.xsd#sre_IncreaseDecreaseInNoncurrentAssets" xlink:label="IncreaseDecreaseInNoncurrentAssets" xlink:title="IncreaseDecreaseInNoncurrentAssets"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:to="IncreaseDecreaseInNoncurrentAssets" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivities to IncreaseDecreaseInNoncurrentAssets" use="optional" order="14.0" weight="-1.0"/>
    <link:loc xlink:type="locator" xlink:href="sre-20090930.xsd#sre_IncreaseDecreaseInNoncurrentLiabilities" xlink:label="IncreaseDecreaseInNoncurrentLiabilities" xlink:title="IncreaseDecreaseInNoncurrentLiabilities"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:to="IncreaseDecreaseInNoncurrentLiabilities" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivities to IncreaseDecreaseInNoncurrentLiabilities" use="optional" order="15.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets" xlink:label="GainLossOnDispositionOfAssets" xlink:title="GainLossOnDispositionOfAssets"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:to="GainLossOnDispositionOfAssets" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivities to GainLossOnDispositionOfAssets" order="7.0" weight="-1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LossContingencyLossInPeriod" xlink:label="LossContingencyLossInPeriod" xlink:title="LossContingencyLossInPeriod"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:to="LossContingencyLossInPeriod" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivities to LossContingencyLossInPeriod" order="8.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_UtilitiesOperatingExpenseDepreciationAndAmortization" xlink:label="UtilitiesOperatingExpenseDepreciationAndAmortization" xlink:title="UtilitiesOperatingExpenseDepreciationAndAmortization"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:to="UtilitiesOperatingExpenseDepreciationAndAmortization" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivities to UtilitiesOperatingExpenseDepreciationAndAmortization" order="4.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" xlink:label="ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" xlink:title="ExcessTaxBenefitFromShareBasedCompensationOperatingActivities"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:to="ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivities to ExcessTaxBenefitFromShareBasedCompensationOperatingActivities" order="10.0" weight="-1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="NetCashProvidedByUsedInInvestingActivities" xlink:title="NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:to="NetCashProvidedByUsedInInvestingActivities" xlink:title="calculation: CashAndCashEquivalentsPeriodIncreaseDecrease to NetCashProvidedByUsedInInvestingActivities" use="optional" order="2.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsToAcquireProductiveAssets" xlink:label="PaymentsToAcquireProductiveAssets" xlink:title="PaymentsToAcquireProductiveAssets"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInInvestingActivities" xlink:to="PaymentsToAcquireProductiveAssets" xlink:title="calculation: NetCashProvidedByUsedInInvestingActivities to PaymentsToAcquireProductiveAssets" use="optional" order="3.0" weight="-1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromSaleOfProductiveAssets" xlink:label="ProceedsFromSaleOfProductiveAssets" xlink:title="ProceedsFromSaleOfProductiveAssets"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInInvestingActivities" xlink:to="ProceedsFromSaleOfProductiveAssets" xlink:title="calculation: NetCashProvidedByUsedInInvestingActivities to ProceedsFromSaleOfProductiveAssets" use="optional" order="4.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="sre-20090930.xsd#sre_ExpedituresForInvestmentsAndAcquisitionOfBusinessesNetOfCashAcquired" xlink:label="ExpedituresForInvestmentsAndAcquisitionOfBusinessesNetOfCashAcquired" xlink:title="ExpedituresForInvestmentsAndAcquisitionOfBusinessesNetOfCashAcquired"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInInvestingActivities" xlink:to="ExpedituresForInvestmentsAndAcquisitionOfBusinessesNetOfCashAcquired" xlink:title="calculation: NetCashProvidedByUsedInInvestingActivities to ExpedituresForInvestmentsAndAcquisitionOfBusinessesNetOfCashAcquired" use="optional" order="5.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="sre-20090930.xsd#sre_DistributionsFromInvestments" xlink:label="DistributionsFromInvestments" xlink:title="DistributionsFromInvestments"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInInvestingActivities" xlink:to="DistributionsFromInvestments" xlink:title="calculation: NetCashProvidedByUsedInInvestingActivities to DistributionsFromInvestments" use="optional" order="6.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="sre-20090930.xsd#sre_PurchasesOfNuclearDecommissioningAndOtherTrustAssets" xlink:label="PurchasesOfNuclearDecommissioningAndOtherTrustAssets" xlink:title="PurchasesOfNuclearDecommissioningAndOtherTrustAssets"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInInvestingActivities" xlink:to="PurchasesOfNuclearDecommissioningAndOtherTrustAssets" xlink:title="calculation: NetCashProvidedByUsedInInvestingActivities to PurchasesOfNuclearDecommissioningAndOtherTrustAssets" use="optional" order="7.0" weight="-1.0"/>
    <link:loc xlink:type="locator" xlink:href="sre-20090930.xsd#sre_ProceedsFromSalesByNuclearDecommissioningAndOtherTrusts" xlink:label="ProceedsFromSalesByNuclearDecommissioningAndOtherTrusts" xlink:title="ProceedsFromSalesByNuclearDecommissioningAndOtherTrusts"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInInvestingActivities" xlink:to="ProceedsFromSalesByNuclearDecommissioningAndOtherTrusts" xlink:title="calculation: NetCashProvidedByUsedInInvestingActivities to ProceedsFromSalesByNuclearDecommissioningAndOtherTrusts" use="optional" order="8.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsToInvestInDecommissioningFund" xlink:label="PaymentsToInvestInDecommissioningFund" xlink:title="PaymentsToInvestInDecommissioningFund"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInInvestingActivities" xlink:to="PaymentsToInvestInDecommissioningFund" xlink:title="calculation: NetCashProvidedByUsedInInvestingActivities to PaymentsToInvestInDecommissioningFund" use="optional" order="9.0" weight="-1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromDecommissioningFund" xlink:label="ProceedsFromDecommissioningFund" xlink:title="ProceedsFromDecommissioningFund"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInInvestingActivities" xlink:to="ProceedsFromDecommissioningFund" xlink:title="calculation: NetCashProvidedByUsedInInvestingActivities to ProceedsFromDecommissioningFund" use="optional" order="10.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromPaymentsForLongTermLoansForRelatedParties" xlink:label="ProceedsFromPaymentsForLongTermLoansForRelatedParties" xlink:title="ProceedsFromPaymentsForLongTermLoansForRelatedParties"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInInvestingActivities" xlink:to="ProceedsFromPaymentsForLongTermLoansForRelatedParties" xlink:title="calculation: NetCashProvidedByUsedInInvestingActivities to ProceedsFromPaymentsForLongTermLoansForRelatedParties" use="optional" order="11.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsToAcquireShortTermInvestments" xlink:label="PaymentsToAcquireShortTermInvestments" xlink:title="PaymentsToAcquireShortTermInvestments"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInInvestingActivities" xlink:to="PaymentsToAcquireShortTermInvestments" xlink:title="calculation: NetCashProvidedByUsedInInvestingActivities to PaymentsToAcquireShortTermInvestments" use="optional" order="12.0" weight="-1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromSaleOfShortTermInvestments" xlink:label="ProceedsFromSaleOfShortTermInvestments" xlink:title="ProceedsFromSaleOfShortTermInvestments"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInInvestingActivities" xlink:to="ProceedsFromSaleOfShortTermInvestments" xlink:title="calculation: NetCashProvidedByUsedInInvestingActivities to ProceedsFromSaleOfShortTermInvestments" use="optional" order="13.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="PaymentsForProceedsFromOtherInvestingActivities" xlink:title="PaymentsForProceedsFromOtherInvestingActivities"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInInvestingActivities" xlink:to="PaymentsForProceedsFromOtherInvestingActivities" xlink:title="calculation: NetCashProvidedByUsedInInvestingActivities to PaymentsForProceedsFromOtherInvestingActivities" use="optional" order="14.0" weight="-1.0"/>
    <link:loc xlink:type="locator" xlink:href="sre-20090930.xsd#sre_ProceedsFromSaleOfAssetsAndBusinessesNetOfCashSold" xlink:label="ProceedsFromSaleOfAssetsAndBusinessesNetOfCashSold" xlink:title="ProceedsFromSaleOfAssetsAndBusinessesNetOfCashSold"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInInvestingActivities" xlink:to="ProceedsFromSaleOfAssetsAndBusinessesNetOfCashSold" xlink:title="calculation: NetCashProvidedByUsedInInvestingActivities to ProceedsFromSaleOfAssetsAndBusinessesNetOfCashSold" order="3.5" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="NetCashProvidedByUsedInFinancingActivities" xlink:title="NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:to="NetCashProvidedByUsedInFinancingActivities" xlink:title="calculation: CashAndCashEquivalentsPeriodIncreaseDecrease to NetCashProvidedByUsedInFinancingActivities" use="optional" order="3.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromContributedCapital" xlink:label="ProceedsFromContributedCapital" xlink:title="ProceedsFromContributedCapital"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivities" xlink:to="ProceedsFromContributedCapital" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivities to ProceedsFromContributedCapital" use="optional" order="3.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="PaymentsOfDividendsCommonStock" xlink:title="PaymentsOfDividendsCommonStock"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivities" xlink:to="PaymentsOfDividendsCommonStock" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivities to PaymentsOfDividendsCommonStock" use="optional" order="4.0" weight="-1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock" xlink:label="PaymentsOfDividendsPreferredStockAndPreferenceStock" xlink:title="PaymentsOfDividendsPreferredStockAndPreferenceStock"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivities" xlink:to="PaymentsOfDividendsPreferredStockAndPreferenceStock" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivities to PaymentsOfDividendsPreferredStockAndPreferenceStock" use="optional" order="5.0" weight="-1.0"/>
    <link:loc xlink:type="locator" xlink:href="sre-20090930.xsd#sre_PreferredDividendsPaidBySubsidiaries" xlink:label="PreferredDividendsPaidBySubsidiaries" xlink:title="PreferredDividendsPaidBySubsidiaries"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivities" xlink:to="PreferredDividendsPaidBySubsidiaries" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivities to PreferredDividendsPaidBySubsidiaries" use="optional" order="6.0" weight="-1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="ProceedsFromIssuanceOfCommonStock" xlink:title="ProceedsFromIssuanceOfCommonStock"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivities" xlink:to="ProceedsFromIssuanceOfCommonStock" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivities to ProceedsFromIssuanceOfCommonStock" use="optional" order="7.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="PaymentsForRepurchaseOfCommonStock" xlink:title="PaymentsForRepurchaseOfCommonStock"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivities" xlink:to="PaymentsForRepurchaseOfCommonStock" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivities to PaymentsForRepurchaseOfCommonStock" use="optional" order="8.0" weight="-1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsForRepurchaseOfRedeemablePreferredStock" xlink:label="PaymentsForRepurchaseOfRedeemablePreferredStock" xlink:title="PaymentsForRepurchaseOfRedeemablePreferredStock"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivities" xlink:to="PaymentsForRepurchaseOfRedeemablePreferredStock" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivities to PaymentsForRepurchaseOfRedeemablePreferredStock" use="optional" order="9.0" weight="-1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:label="ProceedsFromIssuanceOfLongTermDebt" xlink:title="ProceedsFromIssuanceOfLongTermDebt"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivities" xlink:to="ProceedsFromIssuanceOfLongTermDebt" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivities to ProceedsFromIssuanceOfLongTermDebt" use="optional" order="10.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="RepaymentsOfLongTermDebt" xlink:title="RepaymentsOfLongTermDebt"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivities" xlink:to="RepaymentsOfLongTermDebt" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivities to RepaymentsOfLongTermDebt" use="optional" order="11.0" weight="-1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfShortTermDebt" xlink:label="ProceedsFromRepaymentsOfShortTermDebt" xlink:title="ProceedsFromRepaymentsOfShortTermDebt"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivities" xlink:to="ProceedsFromRepaymentsOfShortTermDebt" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivities to ProceedsFromRepaymentsOfShortTermDebt" use="optional" order="12.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromMinorityShareholders" xlink:label="ProceedsFromMinorityShareholders" xlink:title="ProceedsFromMinorityShareholders"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivities" xlink:to="ProceedsFromMinorityShareholders" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivities to ProceedsFromMinorityShareholders" use="optional" order="13.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries" xlink:label="PaymentsToAcquireAdditionalInterestInSubsidiaries" xlink:title="PaymentsToAcquireAdditionalInterestInSubsidiaries"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivities" xlink:to="PaymentsToAcquireAdditionalInterestInSubsidiaries" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivities to PaymentsToAcquireAdditionalInterestInSubsidiaries" use="optional" order="14.0" weight="-1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:label="ProceedsFromPaymentsForOtherFinancingActivities" xlink:title="ProceedsFromPaymentsForOtherFinancingActivities"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivities" xlink:to="ProceedsFromPaymentsForOtherFinancingActivities" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivities to ProceedsFromPaymentsForOtherFinancingActivities" use="optional" order="16.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:label="ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:title="ExcessTaxBenefitFromShareBasedCompensationFinancingActivities"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivities" xlink:to="ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivities to ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" order="15.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_LiabilitiesAssumed" xlink:label="LiabilitiesAssumed" xlink:title="LiabilitiesAssumed"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_FairValueOfAssetsAcquired" xlink:label="FairValueOfAssetsAcquired" xlink:title="FairValueOfAssetsAcquired"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesAssumed" xlink:to="FairValueOfAssetsAcquired" xlink:title="calculation: LiabilitiesAssumed to FairValueOfAssetsAcquired" use="optional" order="1.0" weight="1.0"/>
    <link:loc xlink:type="locator" xlink:href="http://taxonomies.xbrl.us/us-gaap/2009/elts/us-gaap-2009-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:title="PaymentsToAcquireBusinessesNetOfCashAcquired"/>
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesAssumed" xlink:to="PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:title="calculation: LiabilitiesAssumed to PaymentsToAcquireBusinessesNetOfCashAcquired" use="optional" order="2.0" weight="-1.0"/>
  </link:calculationLink>
</link:linkbase>
</XBRL>
