<?xml version="1.0" encoding="us-ascii"?>
<!-- Created by Merrill Corporation -->
<!-- Generated by Fujitsu Interstage XWand B0166_M01 -->
<!--Generated by IRIS XBRL Generation Engine-->
<xsd:schema targetNamespace="http://www.southcrossenergy.com/20120930" attributeFormDefault="unqualified" elementFormDefault="qualified" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:sxe="http://www.southcrossenergy.com/20120930" xmlns:us-gaap="http://fasb.org/us-gaap/2012-01-31" xmlns:us-roles="http://fasb.org/us-roles/2012-01-31" xmlns:ref="http://www.xbrl.org/2006/ref" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:xl="http://www.xbrl.org/2003/XLink" xmlns:utr="http://www.xbrl.org/2009/utr" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:invest="http://xbrl.sec.gov/invest/2012-01-31" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:us-types="http://fasb.org/us-types/2012-01-31" xmlns:negated="http://www.xbrl.org/2009/role/negated" xmlns:dei="http://xbrl.sec.gov/dei/2012-01-31" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrli="http://www.xbrl.org/2003/instance">
  <xsd:annotation>
    <xsd:appinfo>
      <link:linkbaseRef xlink:type="simple" xlink:href="sxe-20120930_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="sxe-20120930_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="sxe-20120930_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:linkbaseRef xlink:type="simple" xlink:href="sxe-20120930_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" />
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DocumentAndEntityInformation" id="DocumentAndEntityInformation">
        <link:definition>0000 - Document - Document and Entity Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/BalanceSheets" id="BalanceSheets">
        <link:definition>0010 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/BalanceSheetsParenthetical" id="BalanceSheetsParenthetical">
        <link:definition>0015 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/StatementOfIncome" id="StatementOfIncome">
        <link:definition>0020 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/StatementOfComprehensiveIncome" id="StatementOfComprehensiveIncome">
        <link:definition>0030 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/CashFlows" id="CashFlows">
        <link:definition>0040 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/StatementOfStockholdersEquity" id="StatementOfStockholdersEquity">
        <link:definition>0050 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF MEMBERS' EQUITY</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureOrganizationAndBasisOfPresentation" id="DisclosureOrganizationAndBasisOfPresentation">
        <link:definition>1010 - Disclosure - ORGANIZATION AND BASIS OF PRESENTATION</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureSummaryOfSignificantAccountingPolicies" id="DisclosureSummaryOfSignificantAccountingPolicies">
        <link:definition>1020 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureAcquisitions" id="DisclosureAcquisitions">
        <link:definition>1030 - Disclosure - ACQUISITIONS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosurePropertyPlantAndEquipment" id="DisclosurePropertyPlantAndEquipment">
        <link:definition>1040 - Disclosure - PROPERTY, PLANT, AND EQUIPMENT</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureIntangibleAssetsAssets" id="DisclosureIntangibleAssetsAssets">
        <link:definition>1050 - Disclosure - INTANGIBLE ASSETS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureOtherAssets" id="DisclosureOtherAssets">
        <link:definition>1060 - Disclosure - OTHER ASSETS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureLongTermDebt" id="DisclosureLongTermDebt">
        <link:definition>1070 - Disclosure - LONG TERM DEBT</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureMembersEquity" id="DisclosureMembersEquity">
        <link:definition>1080 - Disclosure - MEMBERS' EQUITY</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosurePredecessorPreferredUnits" id="DisclosurePredecessorPreferredUnits">
        <link:definition>1090 - Disclosure - PREDECESSOR PREFERRED UNITS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureConcentrationOfCreditRiskAndTradeAccountsReceivable" id="DisclosureConcentrationOfCreditRiskAndTradeAccountsReceivable">
        <link:definition>1100 - Disclosure - CONCENTRATION OF CREDIT RISK AND TRADE ACCOUNTS RECEIVABLE</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureTotalRevenue" id="DisclosureTotalRevenue">
        <link:definition>1110 - Disclosure - TOTAL REVENUE</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureCommitmentsAndContingencies" id="DisclosureCommitmentsAndContingencies">
        <link:definition>1120 - Disclosure - COMMITMENTS AND CONTINGENCIES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureRelatedPartyTransactions" id="DisclosureRelatedPartyTransactions">
        <link:definition>1130 - Disclosure - RELATED PARTY TRANSACTIONS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureFairValueOfFinancialInstruments" id="DisclosureFairValueOfFinancialInstruments">
        <link:definition>1140 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureDerivatives" id="DisclosureDerivatives">
        <link:definition>1150 - Disclosure - DERIVATIVES</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosurePhantomUnitsAndEquityEquivalentUnits" id="DisclosurePhantomUnitsAndEquityEquivalentUnits">
        <link:definition>1160 - Disclosure - PHANTOM UNITS AND EQUITY EQUIVALENT UNITS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureSubsequentEvents" id="DisclosureSubsequentEvents">
        <link:definition>1170 - Disclosure - SUBSEQUENT EVENTS</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureSummaryOfSignificantAccountingPoliciesPolicies" id="DisclosureSummaryOfSignificantAccountingPoliciesPolicies">
        <link:definition>2020 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureOrganizationAndBasisOfPresentationTables" id="DisclosureOrganizationAndBasisOfPresentationTables">
        <link:definition>3010 - Disclosure - ORGANIZATION AND BASIS OF PRESENTATION (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureAcquisitionsTables" id="DisclosureAcquisitionsTables">
        <link:definition>3030 - Disclosure - ACQUISITIONS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosurePropertyPlantAndEquipmentTables" id="DisclosurePropertyPlantAndEquipmentTables">
        <link:definition>3040 - Disclosure - PROPERTY, PLANT, AND EQUIPMENT (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureOtherAssetsTables" id="DisclosureOtherAssetsTables">
        <link:definition>3060 - Disclosure - OTHER ASSETS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureMembersEquityTables" id="DisclosureMembersEquityTables">
        <link:definition>3080 - Disclosure - MEMBERS' EQUITY (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureConcentrationOfCreditRiskAndTradeAccountsReceivableTables" id="DisclosureConcentrationOfCreditRiskAndTradeAccountsReceivableTables">
        <link:definition>3100 - Disclosure - CONCENTRATION OF CREDIT RISK AND TRADE ACCOUNTS RECEIVABLE (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureTotalRevenueTables" id="DisclosureTotalRevenueTables">
        <link:definition>3110 - Disclosure - TOTAL REVENUE (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureCommitmentsAndContingenciesTables" id="DisclosureCommitmentsAndContingenciesTables">
        <link:definition>3120 - Disclosure - COMMITMENTS AND CONTINGENCIES (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureRelatedPartyTransactionsTables" id="DisclosureRelatedPartyTransactionsTables">
        <link:definition>3130 - Disclosure - RELATED PARTY TRANSACTIONS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureFairValueOfFinancialInstrumentsTables" id="DisclosureFairValueOfFinancialInstrumentsTables">
        <link:definition>3140 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureDerivativesTables" id="DisclosureDerivativesTables">
        <link:definition>3150 - Disclosure - DERIVATIVES (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureOrganizationAndBasisOfPresentationDetails" id="DisclosureOrganizationAndBasisOfPresentationDetails">
        <link:definition>4010 - Disclosure - ORGANIZATION AND BASIS OF PRESENTATION (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureAcquisitionsDetails" id="DisclosureAcquisitionsDetails">
        <link:definition>4030 - Disclosure - ACQUISITIONS (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosurePropertyPlantAndEquipmentDetails" id="DisclosurePropertyPlantAndEquipmentDetails">
        <link:definition>4040 - Disclosure - PROPERTY, PLANT, AND EQUIPMENT (Details)</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureIntangibleAssetsDetails" id="DisclosureIntangibleAssetsDetails">
        <link:definition>4050 - Disclosure - INTANGIBLE ASSETS (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureOtherAssetsDetails" id="DisclosureOtherAssetsDetails">
        <link:definition>4060 - Disclosure - OTHER ASSETS (Details)</link:definition>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureLongTermDebtDetails" id="DisclosureLongTermDebtDetails">
        <link:definition>4070 - Disclosure - LONG TERM DEBT (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureMembersEquityDetails" id="DisclosureMembersEquityDetails">
        <link:definition>4080 - Disclosure - MEMBERS' EQUITY (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosurePredecessorPreferredUnitsDetails" id="DisclosurePredecessorPreferredUnitsDetails">
        <link:definition>4090 - Disclosure - PREDECESSOR PREFERRED UNITS (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureConcentrationOfCreditRiskAndTradeAccountsReceivableDetails" id="DisclosureConcentrationOfCreditRiskAndTradeAccountsReceivableDetails">
        <link:definition>4100 - Disclosure - CONCENTRATION OF CREDIT RISK AND TRADE ACCOUNTS RECEIVABLE (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureTotalRevenueDetails" id="DisclosureTotalRevenueDetails">
        <link:definition>4110 - Disclosure - TOTAL REVENUE (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureCommitmentsAndContingenciesDetails" id="DisclosureCommitmentsAndContingenciesDetails">
        <link:definition>4120 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureRelatedPartyTransactionsDetails" id="DisclosureRelatedPartyTransactionsDetails">
        <link:definition>4130 - Disclosure - RELATED PARTY TRANSACTIONS (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureFairValueOfFinancialInstrumentsDetails" id="DisclosureFairValueOfFinancialInstrumentsDetails">
        <link:definition>4140 - Disclosure - FAIR VALUE OF FINANCIAL INSTRUMENTS (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureDerivativesDetails" id="DisclosureDerivativesDetails">
        <link:definition>4150 - Disclosure - DERIVATIVES (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosurePhantomUnitsAndEquityEquivalentUnitsDetails" id="DisclosurePhantomUnitsAndEquityEquivalentUnitsDetails">
        <link:definition>4160 - Disclosure - PHANTOM UNITS AND EQUITY EQUIVALENT UNITS (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.southcrossenergy.com/role/DisclosureSubsequentEventsDetails" id="DisclosureSubsequentEventsDetails">
        <link:definition>4170 - Disclosure - SUBSEQUENT EVENTS (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xsd:appinfo>
  </xsd:annotation>
  <xsd:import namespace="http://www.xbrl.org/dtr/type/non-numeric" schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" />
  <xsd:import namespace="http://fasb.org/us-gaap/2012-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd" />
  <xsd:import namespace="http://www.xbrl.org/dtr/type/numeric" schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/dei/2012-01-31" schemaLocation="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2009/role/negated" schemaLocation="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd" />
  <xsd:import namespace="http://fasb.org/us-roles/2012-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2012/elts/us-roles-2012-01-31.xsd" />
  <xsd:import namespace="http://fasb.org/us-types/2012-01-31" schemaLocation="http://xbrl.fasb.org/us-gaap/2012/elts/us-types-2012-01-31.xsd" />
  <xsd:import namespace="http://xbrl.sec.gov/invest/2012-01-31" schemaLocation="http://xbrl.sec.gov/invest/2012/invest-2012-01-31.xsd" />
  <xsd:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
  <xsd:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" />
  <xsd:element name="SubordinatedUnitsMember" id="sxe_SubordinatedUnitsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PartnersCapitalAccountUnitsHeld" id="sxe_PartnersCapitalAccountUnitsHeld" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="DebtAssumedBySuccessor" id="sxe_DebtAssumedBySuccessor" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="PreferredStockRedeemptionPercentage" id="sxe_PreferredStockRedeemptionPercentage" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CapitalizedConstructionCostOfProcessingPlant" id="sxe_CapitalizedConstructionCostOfProcessingPlant" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="UnitholdersAxis" id="sxe_UnitholdersAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UnitholdersDomain" id="sxe_UnitholdersDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PublicUnitholdersMember" id="sxe_PublicUnitholdersMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EquityIssuancePerShareNetAmount" id="sxe_EquityIssuancePerShareNetAmount" type="num:perShareItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OwnershipInterestInPartnershipUnitsBeforeSaleOfInterest" id="sxe_OwnershipInterestInPartnershipUnitsBeforeSaleOfInterest" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OwnershipInterestInPartnershipUnitsAfterSaleOfInterest" id="sxe_OwnershipInterestInPartnershipUnitsAfterSaleOfInterest" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AmountOfProceedsUsedToRedeemedPreferredUnits" id="sxe_AmountOfProceedsUsedToRedeemedPreferredUnits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="TermLoanMember" id="sxe_TermLoanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentWeightedAverageOutstandingAmount" id="sxe_DebtInstrumentWeightedAverageOutstandingAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentLeverageRatio" id="sxe_DebtInstrumentLeverageRatio" type="xbrli:pureItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfRevenuesByCategoriesTableTextBlock" id="sxe_ScheduleOfRevenuesByCategoriesTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NaturalGasSalesRevenue" id="sxe_NaturalGasSalesRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="NaturalGasLiquidsAndCondensateSales" id="sxe_NaturalGasLiquidsAndCondensateSales" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="RightOfWayMember" id="sxe_RightOfWayMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CompressorMember" id="sxe_CompressorMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OutstandingCommitmentsOnExpansionProjectsAbstract" id="sxe_OutstandingCommitmentsOnExpansionProjectsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CapacityOfProcessingPlantPerDay" id="sxe_CapacityOfProcessingPlantPerDay" type="num:volumeItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TemporaryEquityDisclosureTextBlock" id="sxe_TemporaryEquityDisclosureTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PreferredUnitsMember" id="sxe_PreferredUnitsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RedeemablePreferredUnitsMember" id="sxe_RedeemablePreferredUnitsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeriesBRedeemablePreferredUnitsMember" id="sxe_SeriesBRedeemablePreferredUnitsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeriesCRedeemablePreferredUnitsMember" id="sxe_SeriesCRedeemablePreferredUnitsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CapitalContributedByIndividualAxis" id="sxe_CapitalContributedByIndividualAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CapitalContributedByIndividualDomain" id="sxe_CapitalContributedByIndividualDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CharlesbankAndExistingInvestorsMember" id="sxe_CharlesbankAndExistingInvestorsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CharlesbankMember" id="sxe_CharlesbankMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AffiliateOfWellsFargoSecuritiesLLCMember" id="sxe_AffiliateOfWellsFargoSecuritiesLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PreferredUnitsParValuePerUnit" id="sxe_PreferredUnitsParValuePerUnit" type="num:perShareItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="PreferredUnitsAccrualValuePercentage" id="sxe_PreferredUnitsAccrualValuePercentage" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="PreferredUnitsCumulativeRightToReceiveFutureCashDistributions" id="sxe_PreferredUnitsCumulativeRightToReceiveFutureCashDistributions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="FormosaHydrocarbonsCoIncMember" id="sxe_FormosaHydrocarbonsCoIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SherwinAluminaCompanyMember" id="sxe_SherwinAluminaCompanyMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TopTenCustomersMember" id="sxe_TopTenCustomersMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ConcentrationRiskNumberOfTopCustomers" id="sxe_ConcentrationRiskNumberOfTopCustomers" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EnterpriseAlabamaIntrastateLLCMember" id="sxe_EnterpriseAlabamaIntrastateLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BusinessAcquisitionLengthOfNaturalGasPipelineAssetsAcquired" id="sxe_BusinessAcquisitionLengthOfNaturalGasPipelineAssetsAcquired" type="num:lengthItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BusinessAcquisitionDiameterOfNaturalGasPipelineAssetsAcquired" id="sxe_BusinessAcquisitionDiameterOfNaturalGasPipelineAssetsAcquired" type="num:lengthItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DocumentAndEntityInformationAbstract" id="sxe_DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RedeemablePreferredStockSeriesBMember" id="sxe_RedeemablePreferredStockSeriesBMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RedeemablePreferredStockSeriesCMember" id="sxe_RedeemablePreferredStockSeriesCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DeemedDividendsAdjustmentsAbstract" id="sxe_DeemedDividendsAdjustmentsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CostOfOperationsAndMaintenance" id="sxe_CostOfOperationsAndMaintenance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="EquityEquivalentUnitsMember" id="sxe_EquityEquivalentUnitsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingConditionChangeInControlPercentage" id="sxe_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingConditionChangeInControlPercentage" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TimeVestingUnitsMember" id="sxe_TimeVestingUnitsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PerformanceVestingUnitsMember" id="sxe_PerformanceVestingUnitsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CommonUnitsUnvested" id="sxe_CommonUnitsUnvested" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MembersEquityUnitsVestingPeriod" id="sxe_MembersEquityUnitsVestingPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MembersEquityNumberOfUnitsPurchased" id="sxe_MembersEquityNumberOfUnitsPurchased" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MembersEquityNumberOfUnitsVested" id="sxe_MembersEquityNumberOfUnitsVested" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfOutstandingUnitsHeldByManagementTableTextBlock" id="sxe_ScheduleOfOutstandingUnitsHeldByManagementTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UnitsByTypeOfVestingAxis" id="sxe_UnitsByTypeOfVestingAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UnitsByTypeOfVestingDomain" id="sxe_UnitsByTypeOfVestingDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfGainLossOnDerivativesTableTextBlock" id="sxe_ScheduleOfGainLossOnDerivativesTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DerivativeInstrumentByPeriodAxis" id="sxe_DerivativeInstrumentByPeriodAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DerivativeInstrumentByPeriodDomain" id="sxe_DerivativeInstrumentByPeriodDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PeriodEndedJune302014Member" id="sxe_PeriodEndedJune302014Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PeriodEndedDecember312012Member" id="sxe_PeriodEndedDecember312012Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PeriodEndedDecember312013Member" id="sxe_PeriodEndedDecember312013Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedAndIssued" id="sxe_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedAndIssued" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="OtherNoncurrentAssetsDisclosureTextBlock" id="sxe_OtherNoncurrentAssetsDisclosureTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DeferredFinancingCostsAmortizationPeriod" id="sxe_DeferredFinancingCostsAmortizationPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LimitedLiabilityCompanyLLCOrLimitedPartnershipLPAggregateOwnershipInterest" id="sxe_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPAggregateOwnershipInterest" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfOwnershipInterestsTableTextBlock" id="sxe_ScheduleOfOwnershipInterestsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfDeferredFinancingCostsAmortizationExpenseTableTextBlock" id="sxe_ScheduleOfDeferredFinancingCostsAmortizationExpenseTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeniorSecuredCreditFacilityMember" id="sxe_SeniorSecuredCreditFacilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentCovenantConsolidatedTotalLeverageRatioRequiredToBeMaintainedPriorToExercisingOneTimeCovenantElection" id="sxe_DebtInstrumentCovenantConsolidatedTotalLeverageRatioRequiredToBeMaintainedPriorToExercisingOneTimeCovenantElection" type="xbrli:pureItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PropertyPlantEquipmentExcludingConstructionInProgressLandAndOtherMember" id="sxe_PropertyPlantEquipmentExcludingConstructionInProgressLandAndOtherMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentCovenantConsolidatedInterestCoverageRatioRequiredToBeMaintainedPriorToExercisingOneTimeCovenantElection" id="sxe_DebtInstrumentCovenantConsolidatedInterestCoverageRatioRequiredToBeMaintainedPriorToExercisingOneTimeCovenantElection" type="xbrli:pureItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentCovenantConsolidatedTotalLeverageRatioSubjectToProvisionIncreasesRequiredToBeMaintainedPriorToExercisingOneTimeCovenantElection" id="sxe_DebtInstrumentCovenantConsolidatedTotalLeverageRatioSubjectToProvisionIncreasesRequiredToBeMaintainedPriorToExercisingOneTimeCovenantElection" type="xbrli:pureItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentCovenantConsolidatedTotalLeverageRatioRequiredToBeMaintainedUponExercisingOneTimeCovenantElection" id="sxe_DebtInstrumentCovenantConsolidatedTotalLeverageRatioRequiredToBeMaintainedUponExercisingOneTimeCovenantElection" type="xbrli:pureItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentCovenantConsolidatedSeniorSecuredLeverageRatioRequiredToBeMaintainedUponExercisingOneTimeCovenantElection" id="sxe_DebtInstrumentCovenantConsolidatedSeniorSecuredLeverageRatioRequiredToBeMaintainedUponExercisingOneTimeCovenantElection" type="xbrli:pureItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentCovenantConsolidatedInterestCoverageRatioRequiredToBeMaintainedUponExercisingOneTimeCovenantElection" id="sxe_DebtInstrumentCovenantConsolidatedInterestCoverageRatioRequiredToBeMaintainedUponExercisingOneTimeCovenantElection" type="xbrli:pureItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentCovenantFractionationFacilityAverageProcessOutputOverSevenConsecutiveDays" id="sxe_DebtInstrumentCovenantFractionationFacilityAverageProcessOutputOverSevenConsecutiveDays" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="DebtInstrumentCovenantGasProcessingFacilityAverageProcessOutputOverSevenConsecutiveDays" id="sxe_DebtInstrumentCovenantGasProcessingFacilityAverageProcessOutputOverSevenConsecutiveDays" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="GeneralPartnerUnitsMember" id="sxe_GeneralPartnerUnitsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RevenueDisclosureTextBlock" id="sxe_RevenueDisclosureTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BusinessAcquisitionProFormaNetIncomeLossAvailableToCommonUnitHolders" id="sxe_BusinessAcquisitionProFormaNetIncomeLossAvailableToCommonUnitHolders" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="CreditAgreementMember" id="sxe_CreditAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CommonUnitsAcquiredFromPredecessor" id="sxe_CommonUnitsAcquiredFromPredecessor" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LimitedPartnersCapitalAccountDistributionAndCapitalExpenditureReimbursementAmount" id="sxe_LimitedPartnersCapitalAccountDistributionAndCapitalExpenditureReimbursementAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="MembersEquityNumberOfMembersFromManagementTeamPurchasedUnits" id="sxe_MembersEquityNumberOfMembersFromManagementTeamPurchasedUnits" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="CharlesbankAndCertainPredecessorInvestorsMember" id="sxe_CharlesbankAndCertainPredecessorInvestorsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CharlesbankOtherInstitutionalInvestorsAndCertainPredecessorInvestorsMember" id="sxe_CharlesbankOtherInstitutionalInvestorsAndCertainPredecessorInvestorsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
</xsd:schema>
