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  <xs:element id="sre_IncreaseInEquityMethodInvestmentForGuarantees" abstract="false" name="IncreaseInEquityMethodInvestmentForGuarantees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="sre_GeneralRateCaseRevenueRequirementIncreaseDecreaseFromPriorYearRequirement" abstract="false" name="GeneralRateCaseRevenueRequirementIncreaseDecreaseFromPriorYearRequirement" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
</xs:schema>
