<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<!-- Compliance Xpressware Instance Document http://www.compliancexpressware.com/  -->
<!-- Version: 1.0.0 --><!-- Creation date:14:36:59 GMT-0700 -->
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<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" >
  <link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedLabel" roleURI="http://www.xbrl.org/2009/role/negatedLabel"/>
  <link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel" roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel"/>
  <link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodEndLabel" roleURI="http://www.xbrl.org/2009/role/negatedPeriodEndLabel"/>
  <link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel"/>
  <link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel" roleURI="http://www.xbrl.org/2009/role/negatedNetLabel"/>
  <link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel" roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
  <link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel" roleURI="http://www.xbrl.org/2009/role/netLabel"/>
  <link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_DocumentAndEntityInformationAbstract" xlink:label="DocumentAndEntityInformationAbstract" xlink:title="DocumentAndEntityInformationAbstract"/>
    <link:label xlink:type="resource" xlink:label="label_efr_DocumentAndEntityInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_DocumentAndEntityInformationAbstract" xml:lang="en-US" id="label_efr_DocumentAndEntityInformationAbstract_en-US">Document and Entity Information [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="label_efr_DocumentAndEntityInformationAbstract" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_DocumentAndEntityInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_DocumentAndEntityInformationAbstract" xml:lang="en-US" id="documentation_efr_DocumentAndEntityInformationAbstract_en-US">Document and Entity Information [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementTable" xlink:label="StatementTable" xlink:title="StatementTable"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_StatementTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_StatementTable" xml:lang="en-US" id="label_us-gaap_StatementTable_en-US">Statement [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementTable" xlink:to="label_us-gaap_StatementTable" use="optional" order="2" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="LegalEntityAxis" xlink:title="LegalEntityAxis"/>
    <link:label xlink:type="resource" xlink:label="label_dei_LegalEntityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_LegalEntityAxis" xml:lang="en-US" id="label_dei_LegalEntityAxis_en-US">Legal Entity [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LegalEntityAxis" xlink:to="label_dei_LegalEntityAxis" use="optional" order="3" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="EntityDomain" xlink:title="EntityDomain"/>
    <link:label xlink:type="resource" xlink:label="label_dei_EntityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_EntityDomain" xml:lang="en-US" id="label_dei_EntityDomain_en-US">Entity [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityDomain" xlink:to="label_dei_EntityDomain" use="optional" order="4" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementLineItems" xlink:label="StatementLineItems" xlink:title="StatementLineItems"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_StatementLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_StatementLineItems" xml:lang="en-US" id="label_us-gaap_StatementLineItems_en-US">Statement [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementLineItems" xlink:to="label_us-gaap_StatementLineItems" use="optional" order="5" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentType" xlink:label="DocumentType" xlink:title="DocumentType"/>
    <link:label xlink:type="resource" xlink:label="label_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_DocumentType" xml:lang="en-US" id="label_dei_DocumentType_en-US">Document Type</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DocumentType" xlink:to="label_dei_DocumentType" use="optional" order="6" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_AmendmentFlag" xlink:label="AmendmentFlag" xlink:title="AmendmentFlag"/>
    <link:label xlink:type="resource" xlink:label="label_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_AmendmentFlag" xml:lang="en-US" id="label_dei_AmendmentFlag_en-US">Amendment Flag</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmendmentFlag" xlink:to="label_dei_AmendmentFlag" use="optional" order="7" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_AmendmentDescription" xlink:label="AmendmentDescription" xlink:title="AmendmentDescription"/>
    <link:label xlink:type="resource" xlink:label="label_dei_AmendmentDescription" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_AmendmentDescription" xml:lang="en-US" id="label_dei_AmendmentDescription_en-US">Amendment Description</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmendmentDescription" xlink:to="label_dei_AmendmentDescription" use="optional" order="8" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentPeriodEndDate" xlink:label="DocumentPeriodEndDate" xlink:title="DocumentPeriodEndDate"/>
    <link:label xlink:type="resource" xlink:label="label_dei_DocumentPeriodEndDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_DocumentPeriodEndDate" xml:lang="en-US" id="label_dei_DocumentPeriodEndDate_en-US">Document Period End Date</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DocumentPeriodEndDate" xlink:to="label_dei_DocumentPeriodEndDate" use="optional" order="9" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_TradingSymbol" xlink:label="TradingSymbol" xlink:title="TradingSymbol"/>
    <link:label xlink:type="resource" xlink:label="label_dei_TradingSymbol" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_TradingSymbol" xml:lang="en-US" id="label_dei_TradingSymbol_en-US">Trading Symbol</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TradingSymbol" xlink:to="label_dei_TradingSymbol" use="optional" order="10" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityRegistrantName" xlink:label="EntityRegistrantName" xlink:title="EntityRegistrantName"/>
    <link:label xlink:type="resource" xlink:label="label_dei_EntityRegistrantName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_EntityRegistrantName" xml:lang="en-US" id="label_dei_EntityRegistrantName_en-US">Entity Registrant Name</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityRegistrantName" xlink:to="label_dei_EntityRegistrantName" use="optional" order="11" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCentralIndexKey" xlink:label="EntityCentralIndexKey" xlink:title="EntityCentralIndexKey"/>
    <link:label xlink:type="resource" xlink:label="label_dei_EntityCentralIndexKey" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_EntityCentralIndexKey" xml:lang="en-US" id="label_dei_EntityCentralIndexKey_en-US">Entity Central Index Key</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityCentralIndexKey" xlink:to="label_dei_EntityCentralIndexKey" use="optional" order="12" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_CurrentFiscalYearEndDate" xlink:label="CurrentFiscalYearEndDate" xlink:title="CurrentFiscalYearEndDate"/>
    <link:label xlink:type="resource" xlink:label="label_dei_CurrentFiscalYearEndDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_CurrentFiscalYearEndDate" xml:lang="en-US" id="label_dei_CurrentFiscalYearEndDate_en-US">Current Fiscal Year End Date</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CurrentFiscalYearEndDate" xlink:to="label_dei_CurrentFiscalYearEndDate" use="optional" order="13" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityFilerCategory" xlink:label="EntityFilerCategory" xlink:title="EntityFilerCategory"/>
    <link:label xlink:type="resource" xlink:label="label_dei_EntityFilerCategory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_EntityFilerCategory" xml:lang="en-US" id="label_dei_EntityFilerCategory_en-US">Entity Filer Category</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityFilerCategory" xlink:to="label_dei_EntityFilerCategory" use="optional" order="14" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="EntityCommonStockSharesOutstanding" xlink:title="EntityCommonStockSharesOutstanding"/>
    <link:label xlink:type="resource" xlink:label="label_dei_EntityCommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_EntityCommonStockSharesOutstanding" xml:lang="en-US" id="label_dei_EntityCommonStockSharesOutstanding_en-US">Entity Common Stock, Shares Outstanding</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityCommonStockSharesOutstanding" xlink:to="label_dei_EntityCommonStockSharesOutstanding" use="optional" order="15" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityCurrentReportingStatus" xlink:label="EntityCurrentReportingStatus" xlink:title="EntityCurrentReportingStatus"/>
    <link:label xlink:type="resource" xlink:label="label_dei_EntityCurrentReportingStatus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_EntityCurrentReportingStatus" xml:lang="en-US" id="label_dei_EntityCurrentReportingStatus_en-US">Entity Current Reporting Status</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityCurrentReportingStatus" xlink:to="label_dei_EntityCurrentReportingStatus" use="optional" order="16" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityVoluntaryFilers" xlink:label="EntityVoluntaryFilers" xlink:title="EntityVoluntaryFilers"/>
    <link:label xlink:type="resource" xlink:label="label_dei_EntityVoluntaryFilers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_EntityVoluntaryFilers" xml:lang="en-US" id="label_dei_EntityVoluntaryFilers_en-US">Entity Voluntary Filers</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityVoluntaryFilers" xlink:to="label_dei_EntityVoluntaryFilers" use="optional" order="17" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityWellKnownSeasonedIssuer" xlink:label="EntityWellKnownSeasonedIssuer" xlink:title="EntityWellKnownSeasonedIssuer"/>
    <link:label xlink:type="resource" xlink:label="label_dei_EntityWellKnownSeasonedIssuer" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_EntityWellKnownSeasonedIssuer" xml:lang="en-US" id="label_dei_EntityWellKnownSeasonedIssuer_en-US">Entity Well Known Seasoned Issuer</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityWellKnownSeasonedIssuer" xlink:to="label_dei_EntityWellKnownSeasonedIssuer" use="optional" order="18" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityPublicFloat" xlink:label="EntityPublicFloat" xlink:title="EntityPublicFloat"/>
    <link:label xlink:type="resource" xlink:label="label_dei_EntityPublicFloat" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_EntityPublicFloat" xml:lang="en-US" id="label_dei_EntityPublicFloat_en-US">Entity Public Float</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EntityPublicFloat" xlink:to="label_dei_EntityPublicFloat" use="optional" order="19" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalYearFocus" xlink:label="DocumentFiscalYearFocus" xlink:title="DocumentFiscalYearFocus"/>
    <link:label xlink:type="resource" xlink:label="label_dei_DocumentFiscalYearFocus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_DocumentFiscalYearFocus" xml:lang="en-US" id="label_dei_DocumentFiscalYearFocus_en-US">Document Fiscal Year Focus</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DocumentFiscalYearFocus" xlink:to="label_dei_DocumentFiscalYearFocus" use="optional" order="20" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_DocumentFiscalPeriodFocus" xlink:label="DocumentFiscalPeriodFocus" xlink:title="DocumentFiscalPeriodFocus"/>
    <link:label xlink:type="resource" xlink:label="label_dei_DocumentFiscalPeriodFocus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_dei_DocumentFiscalPeriodFocus" xml:lang="en-US" id="label_dei_DocumentFiscalPeriodFocus_en-US">Document Fiscal Period Focus</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DocumentFiscalPeriodFocus" xlink:to="label_dei_DocumentFiscalPeriodFocus" use="optional" order="21" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="IncomeStatementAbstract" xlink:title="IncomeStatementAbstract"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_IncomeStatementAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_IncomeStatementAbstract" xml:lang="en-US" id="label_us-gaap_IncomeStatementAbstract_en-US">Statement of Operations [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeStatementAbstract" xlink:to="label_us-gaap_IncomeStatementAbstract" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Revenues" xlink:label="Revenues" xlink:title="Revenues"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_Revenues" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_Revenues" xml:lang="en-US" id="label_us-gaap_Revenues_en-US">Revenue</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Revenues" xlink:to="label_us-gaap_Revenues" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostOfRevenue" xlink:label="CostOfRevenue" xlink:title="CostOfRevenue"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_CostOfRevenue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_CostOfRevenue" xml:lang="en-US" id="label_us-gaap_CostOfRevenue_en-US">Costs and expenses applicable to revenue</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CostOfRevenue" xlink:to="label_us-gaap_CostOfRevenue" use="optional" order="2" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InventoryWriteDown" xlink:label="InventoryWriteDown" xlink:title="InventoryWriteDown"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_InventoryWriteDown" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_InventoryWriteDown" xml:lang="en-US" id="verboseLabel_us-gaap_InventoryWriteDown_en-US">Impairment of inventories</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryWriteDown" xlink:to="label_us-gaap_InventoryWriteDown" use="optional" order="3" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConstructionAndDevelopmentCosts" xlink:label="ConstructionAndDevelopmentCosts" xlink:title="ConstructionAndDevelopmentCosts"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ConstructionAndDevelopmentCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_ConstructionAndDevelopmentCosts" xml:lang="en-US" id="terseLabel_us-gaap_ConstructionAndDevelopmentCosts_en-US">Development, permitting and land holding</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConstructionAndDevelopmentCosts" xlink:to="label_us-gaap_ConstructionAndDevelopmentCosts" use="optional" order="4" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CostOfOtherPropertyOperatingExpense" xlink:label="CostOfOtherPropertyOperatingExpense" xlink:title="CostOfOtherPropertyOperatingExpense"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_CostOfOtherPropertyOperatingExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_CostOfOtherPropertyOperatingExpense" xml:lang="en-US" id="terseLabel_us-gaap_CostOfOtherPropertyOperatingExpense_en-US">Standby costs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CostOfOtherPropertyOperatingExpense" xlink:to="label_us-gaap_CostOfOtherPropertyOperatingExpense" use="optional" order="5" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetRetirementObligationAccretionExpense" xlink:label="AssetRetirementObligationAccretionExpense" xlink:title="AssetRetirementObligationAccretionExpense"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AssetRetirementObligationAccretionExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_AssetRetirementObligationAccretionExpense" xml:lang="en-US" id="label_us-gaap_AssetRetirementObligationAccretionExpense_en-US">Accretion of asset retirement obligation</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_GeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_GeneralAndAdministrativeExpense" xml:lang="en-US" id="label_us-gaap_GeneralAndAdministrativeExpense_en-US">General and administration</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GeneralAndAdministrativeExpense" xlink:to="label_us-gaap_GeneralAndAdministrativeExpense" use="optional" order="9" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AcquisitionCosts" xlink:label="AcquisitionCosts" xlink:title="AcquisitionCosts"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AcquisitionCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_AcquisitionCosts" xml:lang="en-US" id="label_us-gaap_AcquisitionCosts_en-US">Costs directly attributable to acquisitions</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf" xlink:label="ImpairmentOfLongLivedAssetsToBeDisposedOf" xlink:title="ImpairmentOfLongLivedAssetsToBeDisposedOf"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf" xml:lang="en-US" id="label_us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf_en-US">Impairment of plant and equipment and mineral properties</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetImpairment" xlink:label="GoodwillAndIntangibleAssetImpairment" xlink:title="GoodwillAndIntangibleAssetImpairment"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_GoodwillAndIntangibleAssetImpairment" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_GoodwillAndIntangibleAssetImpairment" xml:lang="en-US" id="verboseLabel_us-gaap_GoodwillAndIntangibleAssetImpairment_en-US">Impairment of goodwill</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="OperatingIncomeLoss" xlink:title="OperatingIncomeLoss"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OperatingIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_us-gaap_OperatingIncomeLoss" xml:lang="en-US" id="totalLabel_us-gaap_OperatingIncomeLoss_en-US">Total operating loss</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingIncomeLoss" xlink:to="label_us-gaap_OperatingIncomeLoss" use="optional" order="13" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InterestExpense" xlink:label="InterestExpense" xlink:title="InterestExpense"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_InterestExpense" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:title="label_us-gaap_InterestExpense" xml:lang="en-US" id="negatedTerseLabel_us-gaap_InterestExpense_en-US">Interest Expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InterestExpense" xlink:to="label_us-gaap_InterestExpense" use="optional" order="14" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherNoncashIncomeExpense" xlink:label="OtherNoncashIncomeExpense" xlink:title="OtherNoncashIncomeExpense"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OtherNoncashIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_OtherNoncashIncomeExpense" xml:lang="en-US" id="label_us-gaap_OtherNoncashIncomeExpense_en-US">Other income (expense)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherNoncashIncomeExpense" xlink:to="label_us-gaap_OtherNoncashIncomeExpense" use="optional" order="15" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="IncomeTaxExpenseBenefit" xlink:title="IncomeTaxExpenseBenefit"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_IncomeTaxExpenseBenefit" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:title="label_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US" id="negatedTerseLabel_us-gaap_IncomeTaxExpenseBenefit_en-US">Income tax expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeTaxExpenseBenefit" xlink:to="label_us-gaap_IncomeTaxExpenseBenefit" use="optional" order="16" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="NetIncomeLoss" xlink:title="NetIncomeLoss"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NetIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_us-gaap_NetIncomeLoss" xml:lang="en-US" id="totalLabel_us-gaap_NetIncomeLoss_en-US">Net loss</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetIncomeLoss" xlink:to="label_us-gaap_NetIncomeLoss" use="optional" order="17" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_ItemsThatMayBeReclassifedInTheFutureToProfitAndLossAbstract" xlink:label="ItemsThatMayBeReclassifedInTheFutureToProfitAndLossAbstract" xlink:title="ItemsThatMayBeReclassifedInTheFutureToProfitAndLossAbstract"/>
    <link:label xlink:type="resource" xlink:label="label_efr_ItemsThatMayBeReclassifedInTheFutureToProfitAndLossAbstract" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_ItemsThatMayBeReclassifedInTheFutureToProfitAndLossAbstract" xml:lang="en-US" id="verboseLabel_efr_ItemsThatMayBeReclassifedInTheFutureToProfitAndLossAbstract_en-US">Items that may be reclassified in the future to profit and loss</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ItemsThatMayBeReclassifedInTheFutureToProfitAndLossAbstract" xlink:to="label_efr_ItemsThatMayBeReclassifedInTheFutureToProfitAndLossAbstract" use="optional" order="18" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_ItemsThatMayBeReclassifedInTheFutureToProfitAndLossAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_ItemsThatMayBeReclassifedInTheFutureToProfitAndLossAbstract" xml:lang="en-US" id="documentation_efr_ItemsThatMayBeReclassifedInTheFutureToProfitAndLossAbstract_en-US">Items that may be reclassifed in the future to profit and loss</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent" xlink:label="OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent" xlink:title="OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent" xml:lang="en-US" id="label_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_en-US">Foreign currency translation adjustment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent" xlink:to="label_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent" use="optional" order="19" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_UnrealizedGainOnAvailableForSaleAssets" xlink:label="UnrealizedGainOnAvailableForSaleAssets" xlink:title="UnrealizedGainOnAvailableForSaleAssets"/>
    <link:label xlink:type="resource" xlink:label="label_efr_UnrealizedGainOnAvailableForSaleAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_UnrealizedGainOnAvailableForSaleAssets" xml:lang="en-US" id="label_efr_UnrealizedGainOnAvailableForSaleAssets_en-US">Unrealized gain on available-for-sale assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UnrealizedGainOnAvailableForSaleAssets" xlink:to="label_efr_UnrealizedGainOnAvailableForSaleAssets" use="optional" order="20" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_UnrealizedGainOnAvailableForSaleAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_UnrealizedGainOnAvailableForSaleAssets" xml:lang="en-US" id="documentation_efr_UnrealizedGainOnAvailableForSaleAssets_en-US">Unrealized gain on available-for-sale assets</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_GainsOnAvailableForSaleFinancialAssetsReclassifiedToProfitOrLoss" xlink:label="GainsOnAvailableForSaleFinancialAssetsReclassifiedToProfitOrLoss" xlink:title="GainsOnAvailableForSaleFinancialAssetsReclassifiedToProfitOrLoss"/>
    <link:label xlink:type="resource" xlink:label="label_efr_GainsOnAvailableForSaleFinancialAssetsReclassifiedToProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_GainsOnAvailableForSaleFinancialAssetsReclassifiedToProfitOrLoss" xml:lang="en-US" id="label_efr_GainsOnAvailableForSaleFinancialAssetsReclassifiedToProfitOrLoss_en-US">Gains on available-for-sale financial assets reclassified to profit or loss</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GainsOnAvailableForSaleFinancialAssetsReclassifiedToProfitOrLoss" xlink:to="label_efr_GainsOnAvailableForSaleFinancialAssetsReclassifiedToProfitOrLoss" use="optional" order="21" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_GainsOnAvailableForSaleFinancialAssetsReclassifiedToProfitOrLoss" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_GainsOnAvailableForSaleFinancialAssetsReclassifiedToProfitOrLoss" xml:lang="en-US" id="documentation_efr_GainsOnAvailableForSaleFinancialAssetsReclassifiedToProfitOrLoss_en-US">Gains on available-for-sale financial assets reclassified to profit or loss</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:label="OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:title="OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xml:lang="en-US" id="totalLabel_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_en-US">Other comprehensive income (loss)</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="ComprehensiveIncomeNetOfTax" xlink:title="ComprehensiveIncomeNetOfTax"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ComprehensiveIncomeNetOfTax" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_us-gaap_ComprehensiveIncomeNetOfTax" xml:lang="en-US" id="totalLabel_us-gaap_ComprehensiveIncomeNetOfTax_en-US">Comprehensive income (loss)</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLossAbstract" xlink:label="NetIncomeLossAbstract" xlink:title="NetIncomeLossAbstract"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NetIncomeLossAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_NetIncomeLossAbstract" xml:lang="en-US" id="terseLabel_us-gaap_NetIncomeLossAbstract_en-US">Net loss attributable to:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetIncomeLossAbstract" xlink:to="label_us-gaap_NetIncomeLossAbstract" use="optional" order="24" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeLossAttributableToParent" xlink:label="IncomeLossAttributableToParent" xlink:title="IncomeLossAttributableToParent"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_IncomeLossAttributableToParent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_IncomeLossAttributableToParent" xml:lang="en-US" id="terseLabel_us-gaap_IncomeLossAttributableToParent_en-US">Owners of the Company</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeLossAttributableToParent" xlink:to="label_us-gaap_IncomeLossAttributableToParent" use="optional" order="25" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="NetIncomeLossAttributableToNoncontrollingInterest" xlink:title="NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xml:lang="en-US" id="terseLabel_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_en-US">Non-controlling interests</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetIncomeLossAttributableToNoncontrollingInterest" xlink:to="label_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" use="optional" order="26" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NetIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_NetIncomeLoss" xml:lang="en-US" id="terseLabel_us-gaap_NetIncomeLoss_en-US">Net loss for the period</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAbstract" xlink:label="ComprehensiveIncomeNetOfTaxAbstract" xlink:title="ComprehensiveIncomeNetOfTaxAbstract"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ComprehensiveIncomeNetOfTaxAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ComprehensiveIncomeNetOfTaxAbstract" xml:lang="en-US" id="label_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_en-US">Comprehensive income (loss) attributable to:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ComprehensiveIncomeNetOfTaxAbstract" xlink:to="label_us-gaap_ComprehensiveIncomeNetOfTaxAbstract" use="optional" order="28" xlink:title=""/>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US" id="verboseLabel_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_en-US">Owners of the Company</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:to="label_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" use="optional" order="29" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:label="ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:title="ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest"/>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:to="label_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" use="optional" order="30" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ComprehensiveIncomeNetOfTax" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_ComprehensiveIncomeNetOfTax" xml:lang="en-US" id="verboseLabel_us-gaap_ComprehensiveIncomeNetOfTax_en-US">Comprehensive loss</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_EarningsPerShareBasicAndDiluted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_EarningsPerShareBasicAndDiluted" xml:lang="en-US" id="label_us-gaap_EarningsPerShareBasicAndDiluted_en-US">Basic and diluted loss per share</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EarningsPerShareBasicAndDiluted" xlink:to="label_us-gaap_EarningsPerShareBasicAndDiluted" use="optional" order="32" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="StatementOfFinancialPositionAbstract" xlink:title="StatementOfFinancialPositionAbstract"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_StatementOfFinancialPositionAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_StatementOfFinancialPositionAbstract" xml:lang="en-US" id="label_us-gaap_StatementOfFinancialPositionAbstract_en-US">Statement of Financial Position [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementOfFinancialPositionAbstract" xlink:to="label_us-gaap_StatementOfFinancialPositionAbstract" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="AssetsAbstract" xlink:title="AssetsAbstract"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_AssetsAbstract" xml:lang="en-US" id="label_us-gaap_AssetsAbstract_en-US">ASSETS</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsAbstract" xlink:to="label_us-gaap_AssetsAbstract" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="AssetsCurrentAbstract" xlink:title="AssetsCurrentAbstract"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AssetsCurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_AssetsCurrentAbstract" xml:lang="en-US" id="label_us-gaap_AssetsCurrentAbstract_en-US">Current assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsCurrentAbstract" xlink:to="label_us-gaap_AssetsCurrentAbstract" use="optional" order="2" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="CashAndCashEquivalentsAtCarryingValue" xlink:title="CashAndCashEquivalentsAtCarryingValue"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_CashAndCashEquivalentsAtCarryingValue" xml:lang="en-US" id="label_us-gaap_CashAndCashEquivalentsAtCarryingValue_en-US">Cash and cash equivalents</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashAndCashEquivalentsAtCarryingValue" xlink:to="label_us-gaap_CashAndCashEquivalentsAtCarryingValue" use="optional" order="3" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccountsAndOtherReceivablesNetCurrent" xlink:label="AccountsAndOtherReceivablesNetCurrent" xlink:title="AccountsAndOtherReceivablesNetCurrent"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AccountsAndOtherReceivablesNetCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_AccountsAndOtherReceivablesNetCurrent" xml:lang="en-US" id="label_us-gaap_AccountsAndOtherReceivablesNetCurrent_en-US">Trade and other receivables</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccountsAndOtherReceivablesNetCurrent" xlink:to="label_us-gaap_AccountsAndOtherReceivablesNetCurrent" use="optional" order="4" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InventoryNet" xlink:label="InventoryNet" xlink:title="InventoryNet"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_InventoryNet" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_InventoryNet" xml:lang="en-US" id="verboseLabel_us-gaap_InventoryNet_en-US">Inventories</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryNet" xlink:to="label_us-gaap_InventoryNet" use="optional" order="5" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PrepaidExpenseCurrent" xlink:label="PrepaidExpenseCurrent" xlink:title="PrepaidExpenseCurrent"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_PrepaidExpenseCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_PrepaidExpenseCurrent" xml:lang="en-US" id="label_us-gaap_PrepaidExpenseCurrent_en-US">Prepaid expenses and other assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PrepaidExpenseCurrent" xlink:to="label_us-gaap_PrepaidExpenseCurrent" use="optional" order="6" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_MineralPropertiesHeldForSale" xlink:label="MineralPropertiesHeldForSale" xlink:title="MineralPropertiesHeldForSale"/>
    <link:label xlink:type="resource" xlink:label="label_efr_MineralPropertiesHeldForSale" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_MineralPropertiesHeldForSale" xml:lang="en-US" id="label_efr_MineralPropertiesHeldForSale_en-US">Mineral properties held for sale</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MineralPropertiesHeldForSale" xlink:to="label_efr_MineralPropertiesHeldForSale" use="optional" order="7" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_MineralPropertiesHeldForSale" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_MineralPropertiesHeldForSale" xml:lang="en-US" id="documentation_efr_MineralPropertiesHeldForSale_en-US">Mineral properties held for sale</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="AssetsCurrent" xlink:title="AssetsCurrent"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_us-gaap_AssetsCurrent" xml:lang="en-US" id="totalLabel_us-gaap_AssetsCurrent_en-US">Total current assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsCurrent" xlink:to="label_us-gaap_AssetsCurrent" use="optional" order="8" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NotesAndLoansReceivableNetNoncurrent" xlink:label="NotesAndLoansReceivableNetNoncurrent" xlink:title="NotesAndLoansReceivableNetNoncurrent"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NotesAndLoansReceivableNetNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_NotesAndLoansReceivableNetNoncurrent" xml:lang="en-US" id="label_us-gaap_NotesAndLoansReceivableNetNoncurrent_en-US">Notes receivable and other</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NotesAndLoansReceivableNetNoncurrent" xlink:to="label_us-gaap_NotesAndLoansReceivableNetNoncurrent" use="optional" order="9" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InventoryNoncurrent" xlink:label="InventoryNoncurrent" xlink:title="InventoryNoncurrent"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_InventoryNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_InventoryNoncurrent" xml:lang="en-US" id="label_us-gaap_InventoryNoncurrent_en-US">Long-term inventories</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryNoncurrent" xlink:to="label_us-gaap_InventoryNoncurrent" use="optional" order="10" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="PropertyPlantAndEquipmentNet" xlink:title="PropertyPlantAndEquipmentNet"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_PropertyPlantAndEquipmentNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_PropertyPlantAndEquipmentNet" xml:lang="en-US" id="label_us-gaap_PropertyPlantAndEquipmentNet_en-US">Plant and equipment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentNet" xlink:to="label_us-gaap_PropertyPlantAndEquipmentNet" use="optional" order="11" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MineralPropertiesNet" xlink:label="MineralPropertiesNet" xlink:title="MineralPropertiesNet"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_MineralPropertiesNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_MineralPropertiesNet" xml:lang="en-US" id="label_us-gaap_MineralPropertiesNet_en-US">Mineral properties</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MineralPropertiesNet" xlink:to="label_us-gaap_MineralPropertiesNet" use="optional" order="12" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="IntangibleAssetsNetExcludingGoodwill" xlink:title="IntangibleAssetsNetExcludingGoodwill"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_IntangibleAssetsNetExcludingGoodwill" xml:lang="en-US" id="label_us-gaap_IntangibleAssetsNetExcludingGoodwill_en-US">Intangible assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IntangibleAssetsNetExcludingGoodwill" xlink:to="label_us-gaap_IntangibleAssetsNetExcludingGoodwill" use="optional" order="13" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsNoncurrent" xlink:label="RestrictedCashAndCashEquivalentsNoncurrent" xlink:title="RestrictedCashAndCashEquivalentsNoncurrent"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent" xml:lang="en-US" id="label_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent_en-US">Restricted cash</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RestrictedCashAndCashEquivalentsNoncurrent" xlink:to="label_us-gaap_RestrictedCashAndCashEquivalentsNoncurrent" use="optional" order="14" xlink:title=""/>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_Assets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_us-gaap_Assets" xml:lang="en-US" id="totalLabel_us-gaap_Assets_en-US">Total assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Assets" xlink:to="label_us-gaap_Assets" use="optional" order="15" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="LiabilitiesAndStockholdersEquityAbstract" xlink:title="LiabilitiesAndStockholdersEquityAbstract"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xml:lang="en-US" id="label_us-gaap_LiabilitiesAndStockholdersEquityAbstract_en-US">LIABILITIES &amp; EQUITY</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesAndStockholdersEquityAbstract" xlink:to="label_us-gaap_LiabilitiesAndStockholdersEquityAbstract" use="optional" order="16" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="LiabilitiesCurrentAbstract" xlink:title="LiabilitiesCurrentAbstract"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_LiabilitiesCurrentAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_LiabilitiesCurrentAbstract" xml:lang="en-US" id="label_us-gaap_LiabilitiesCurrentAbstract_en-US">Current liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesCurrentAbstract" xlink:to="label_us-gaap_LiabilitiesCurrentAbstract" use="optional" order="17" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:label="AccountsPayableAndAccruedLiabilitiesCurrent" xlink:title="AccountsPayableAndAccruedLiabilitiesCurrent"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xml:lang="en-US" id="label_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_en-US">Accounts payable and accrued liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccountsPayableAndAccruedLiabilitiesCurrent" xlink:to="label_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" use="optional" order="18" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_WarrantsAndRightsOutstanding" xlink:label="WarrantsAndRightsOutstanding" xlink:title="WarrantsAndRightsOutstanding"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_WarrantsAndRightsOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_WarrantsAndRightsOutstanding" xml:lang="en-US" id="label_us-gaap_WarrantsAndRightsOutstanding_en-US">Warrant liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantsAndRightsOutstanding" xlink:to="label_us-gaap_WarrantsAndRightsOutstanding" use="optional" order="19" xlink:title=""/>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_DeferredRevenueCurrent" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_DeferredRevenueCurrent" xml:lang="en-US" id="verboseLabel_us-gaap_DeferredRevenueCurrent_en-US">Deferred revenue</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredRevenueCurrent" xlink:to="label_us-gaap_DeferredRevenueCurrent" use="optional" order="20" xlink:title=""/>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_AssetRetirementObligationCurrent" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_AssetRetirementObligationCurrent" xml:lang="en-US" id="verboseLabel_us-gaap_AssetRetirementObligationCurrent_en-US">Current portion of asset retirement obligation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetRetirementObligationCurrent" xlink:to="label_us-gaap_AssetRetirementObligationCurrent" use="optional" order="21" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LoansPayableCurrent" xlink:label="LoansPayableCurrent" xlink:title="LoansPayableCurrent"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_LoansPayableCurrent" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_LoansPayableCurrent" xml:lang="en-US" id="verboseLabel_us-gaap_LoansPayableCurrent_en-US">Current portion of loans and borrowings</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LoansPayableCurrent" xlink:to="label_us-gaap_LoansPayableCurrent" use="optional" order="22" xlink:title=""/>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_LiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_us-gaap_LiabilitiesCurrent" xml:lang="en-US" id="totalLabel_us-gaap_LiabilitiesCurrent_en-US">Total current liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesCurrent" xlink:to="label_us-gaap_LiabilitiesCurrent" use="optional" order="23" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredRevenueNoncurrent" xlink:label="DeferredRevenueNoncurrent" xlink:title="DeferredRevenueNoncurrent"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DeferredRevenueNoncurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_DeferredRevenueNoncurrent" xml:lang="en-US" id="terseLabel_us-gaap_DeferredRevenueNoncurrent_en-US">Deferred revenue</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredRevenueNoncurrent" xlink:to="label_us-gaap_DeferredRevenueNoncurrent" use="optional" order="24" xlink:title=""/>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_AssetRetirementObligationsNoncurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_AssetRetirementObligationsNoncurrent" xml:lang="en-US" id="terseLabel_us-gaap_AssetRetirementObligationsNoncurrent_en-US">Asset retirement obligation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetRetirementObligationsNoncurrent" xlink:to="label_us-gaap_AssetRetirementObligationsNoncurrent" use="optional" order="25" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermLoansPayable" xlink:label="LongTermLoansPayable" xlink:title="LongTermLoansPayable"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_LongTermLoansPayable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_LongTermLoansPayable" xml:lang="en-US" id="terseLabel_us-gaap_LongTermLoansPayable_en-US">Loans and borrowings</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LongTermLoansPayable" xlink:to="label_us-gaap_LongTermLoansPayable" use="optional" order="26" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Liabilities" xlink:label="Liabilities" xlink:title="Liabilities"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_Liabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_us-gaap_Liabilities" xml:lang="en-US" id="totalLabel_us-gaap_Liabilities_en-US">Total liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Liabilities" xlink:to="label_us-gaap_Liabilities" use="optional" order="27" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="StockholdersEquityAbstract" xlink:title="StockholdersEquityAbstract"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_StockholdersEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_StockholdersEquityAbstract" xml:lang="en-US" id="label_us-gaap_StockholdersEquityAbstract_en-US">Equity</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquityAbstract" xlink:to="label_us-gaap_StockholdersEquityAbstract" use="optional" order="28" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockValue" xlink:label="CommonStockValue" xlink:title="CommonStockValue"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_CommonStockValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_CommonStockValue" xml:lang="en-US" id="terseLabel_us-gaap_CommonStockValue_en-US">Share capital Common shares, without par value, unlimited shares authorized; shares issued and outstanding 51,890,415 at March 31, 2016 and 46,519,132 at December 31, 2015</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockValue" xlink:to="label_us-gaap_CommonStockValue" use="optional" order="29" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="RetainedEarningsAccumulatedDeficit" xlink:title="RetainedEarningsAccumulatedDeficit"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_RetainedEarningsAccumulatedDeficit" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_RetainedEarningsAccumulatedDeficit" xml:lang="en-US" id="verboseLabel_us-gaap_RetainedEarningsAccumulatedDeficit_en-US">Accumulated Deficit</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RetainedEarningsAccumulatedDeficit" xlink:to="label_us-gaap_RetainedEarningsAccumulatedDeficit" use="optional" order="30" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:title="AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xml:lang="en-US" id="terseLabel_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_en-US">Accumulated other comprehensive income</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:to="label_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" use="optional" order="31" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="StockholdersEquity" xlink:title="StockholdersEquity"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_StockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_us-gaap_StockholdersEquity" xml:lang="en-US" id="totalLabel_us-gaap_StockholdersEquity_en-US">Total shareholders' equity</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquity" xlink:to="label_us-gaap_StockholdersEquity" use="optional" order="32" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MinorityInterest" xlink:label="MinorityInterest" xlink:title="MinorityInterest"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_MinorityInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_MinorityInterest" xml:lang="en-US" id="label_us-gaap_MinorityInterest_en-US">Non-controlling interests</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MinorityInterest" xlink:to="label_us-gaap_MinorityInterest" use="optional" order="33" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:title="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US" id="totalLabel_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_en-US">Total equity</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="label_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" use="optional" order="34" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="LiabilitiesAndStockholdersEquity" xlink:title="LiabilitiesAndStockholdersEquity"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_LiabilitiesAndStockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_us-gaap_LiabilitiesAndStockholdersEquity" xml:lang="en-US" id="totalLabel_us-gaap_LiabilitiesAndStockholdersEquity_en-US">Total liabilities and equity</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesAndStockholdersEquity" xlink:to="label_us-gaap_LiabilitiesAndStockholdersEquity" use="optional" order="35" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="CommitmentsAndContingencies" xlink:title="CommitmentsAndContingencies"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_CommitmentsAndContingencies" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_CommitmentsAndContingencies" xml:lang="en-US" id="label_us-gaap_CommitmentsAndContingencies_en-US">Commitments and Contingencies</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommitmentsAndContingencies" xlink:to="label_us-gaap_CommitmentsAndContingencies" use="optional" order="36" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockNoParValue" xlink:label="CommonStockNoParValue" xlink:title="CommonStockNoParValue"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_CommonStockNoParValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_CommonStockNoParValue" xml:lang="en-US" id="label_us-gaap_CommonStockNoParValue_en-US">Common Stock, No Par Value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockNoParValue" xlink:to="label_us-gaap_CommonStockNoParValue" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="CommonStockSharesIssued" xlink:title="CommonStockSharesIssued"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_CommonStockSharesIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_CommonStockSharesIssued" xml:lang="en-US" id="label_us-gaap_CommonStockSharesIssued_en-US">Common Stock, Shares, Issued</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockSharesIssued" xlink:to="label_us-gaap_CommonStockSharesIssued" use="optional" order="2" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="CommonStockSharesOutstanding" xlink:title="CommonStockSharesOutstanding"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_CommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_CommonStockSharesOutstanding" xml:lang="en-US" id="label_us-gaap_CommonStockSharesOutstanding_en-US">Common Stock, Shares, Outstanding</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockSharesOutstanding" xlink:to="label_us-gaap_CommonStockSharesOutstanding" use="optional" order="3" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="StatementOfCashFlowsAbstract" xlink:title="StatementOfCashFlowsAbstract"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_StatementOfCashFlowsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_StatementOfCashFlowsAbstract" xml:lang="en-US" id="label_us-gaap_StatementOfCashFlowsAbstract_en-US">Statement of Cash Flows [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementOfCashFlowsAbstract" xlink:to="label_us-gaap_StatementOfCashFlowsAbstract" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="NetCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xml:lang="en-US" id="label_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_en-US">OPERATING ACTIVITIES</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="label_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:title="AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xml:lang="en-US" id="label_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_en-US">Items not involving cash:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="label_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" use="optional" order="3" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="DepreciationDepletionAndAmortization" xlink:title="DepreciationDepletionAndAmortization"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DepreciationDepletionAndAmortization" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_DepreciationDepletionAndAmortization" xml:lang="en-US" id="label_us-gaap_DepreciationDepletionAndAmortization_en-US">Depletion, depreciation and amortization</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DepreciationDepletionAndAmortization" xlink:to="label_us-gaap_DepreciationDepletionAndAmortization" use="optional" order="4" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="ShareBasedCompensation" xlink:title="ShareBasedCompensation"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ShareBasedCompensation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ShareBasedCompensation" xml:lang="en-US" id="label_us-gaap_ShareBasedCompensation_en-US">Stock-based compensation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensation" xlink:to="label_us-gaap_ShareBasedCompensation" use="optional" order="5" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_ChangeInValueOfConvertibleDebentures" xlink:label="ChangeInValueOfConvertibleDebentures" xlink:title="ChangeInValueOfConvertibleDebentures"/>
    <link:label xlink:type="resource" xlink:label="label_efr_ChangeInValueOfConvertibleDebentures" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_ChangeInValueOfConvertibleDebentures" xml:lang="en-US" id="label_efr_ChangeInValueOfConvertibleDebentures_en-US">Change in value of convertible debentures</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ChangeInValueOfConvertibleDebentures" xlink:to="label_efr_ChangeInValueOfConvertibleDebentures" use="optional" order="6" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_ChangeInValueOfConvertibleDebentures" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_ChangeInValueOfConvertibleDebentures" xml:lang="en-US" id="documentation_efr_ChangeInValueOfConvertibleDebentures_en-US">Change in value of convertible debentures</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AssetRetirementObligationAccretionExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_AssetRetirementObligationAccretionExpense" xml:lang="en-US" id="terseLabel_us-gaap_AssetRetirementObligationAccretionExpense_en-US">Accretion of asset retirement obligation</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossUnrealized" xlink:label="ForeignCurrencyTransactionGainLossUnrealized" xlink:title="ForeignCurrencyTransactionGainLossUnrealized"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ForeignCurrencyTransactionGainLossUnrealized" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_us-gaap_ForeignCurrencyTransactionGainLossUnrealized" xml:lang="en-US" id="negatedLabel_us-gaap_ForeignCurrencyTransactionGainLossUnrealized_en-US">Unrealized foreign gains (losses)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ForeignCurrencyTransactionGainLossUnrealized" xlink:to="label_us-gaap_ForeignCurrencyTransactionGainLossUnrealized" use="optional" order="8" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_NonCashStandbyCostAccrued" xlink:label="NonCashStandbyCostAccrued" xlink:title="NonCashStandbyCostAccrued"/>
    <link:label xlink:type="resource" xlink:label="label_efr_NonCashStandbyCostAccrued" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_efr_NonCashStandbyCostAccrued" xml:lang="en-US" id="negatedLabel_efr_NonCashStandbyCostAccrued_en-US">Non-cash standby cost accrued</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NonCashStandbyCostAccrued" xlink:to="label_efr_NonCashStandbyCostAccrued" use="optional" order="9" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_NonCashStandbyCostAccrued" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_NonCashStandbyCostAccrued" xml:lang="en-US" id="documentation_efr_NonCashStandbyCostAccrued_en-US">Non-cash standby cost accrued</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NoncashOrPartNoncashAcquisitionInvestmentsAcquired1" xlink:label="NoncashOrPartNoncashAcquisitionInvestmentsAcquired1" xlink:title="NoncashOrPartNoncashAcquisitionInvestmentsAcquired1"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NoncashOrPartNoncashAcquisitionInvestmentsAcquired1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_NoncashOrPartNoncashAcquisitionInvestmentsAcquired1" xml:lang="en-US" id="label_us-gaap_NoncashOrPartNoncashAcquisitionInvestmentsAcquired1_en-US">Non-cash costs directly attributable to acquisitions</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NoncashOrPartNoncashAcquisitionInvestmentsAcquired1" xlink:to="label_us-gaap_NoncashOrPartNoncashAcquisitionInvestmentsAcquired1" use="optional" order="10" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf" xml:lang="en-US" id="terseLabel_us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf_en-US">Impairment of property, plant and equipment and mineral properties</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_GoodwillAndIntangibleAssetImpairment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_GoodwillAndIntangibleAssetImpairment" xml:lang="en-US" id="terseLabel_us-gaap_GoodwillAndIntangibleAssetImpairment_en-US">Impairment of goodwill</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_MiscellaneousNonCashIncomeExpenses" xlink:label="MiscellaneousNonCashIncomeExpenses" xlink:title="MiscellaneousNonCashIncomeExpenses"/>
    <link:label xlink:type="resource" xlink:label="label_efr_MiscellaneousNonCashIncomeExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_MiscellaneousNonCashIncomeExpenses" xml:lang="en-US" id="label_efr_MiscellaneousNonCashIncomeExpenses_en-US">Miscellaneous non-cash income (expenses)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MiscellaneousNonCashIncomeExpenses" xlink:to="label_efr_MiscellaneousNonCashIncomeExpenses" use="optional" order="14" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_MiscellaneousNonCashIncomeExpenses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_MiscellaneousNonCashIncomeExpenses" xml:lang="en-US" id="documentation_efr_MiscellaneousNonCashIncomeExpenses_en-US">Miscellaneous non- cash income (expenses)</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GainLossOnInvestments" xlink:label="GainLossOnInvestments" xlink:title="GainLossOnInvestments"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_GainLossOnInvestments" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_us-gaap_GainLossOnInvestments" xml:lang="en-US" id="negatedLabel_us-gaap_GainLossOnInvestments_en-US">Change in value of investments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GainLossOnInvestments" xlink:to="label_us-gaap_GainLossOnInvestments" use="optional" order="15" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="IncreaseDecreaseInOperatingCapitalAbstract" xlink:title="IncreaseDecreaseInOperatingCapitalAbstract"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xml:lang="en-US" id="label_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_en-US">Changes in assets and liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="label_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" use="optional" order="16" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="IncreaseDecreaseInInventories" xlink:title="IncreaseDecreaseInInventories"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_IncreaseDecreaseInInventories" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_us-gaap_IncreaseDecreaseInInventories" xml:lang="en-US" id="negatedLabel_us-gaap_IncreaseDecreaseInInventories_en-US">(Increase) decrease in inventories</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncreaseDecreaseInInventories" xlink:to="label_us-gaap_IncreaseDecreaseInInventories" use="optional" order="17" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables" xlink:label="IncreaseDecreaseInAccountsAndOtherReceivables" xlink:title="IncreaseDecreaseInAccountsAndOtherReceivables"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables" xml:lang="en-US" id="negatedLabel_us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_en-US">(Increase) decrease in trade and other receivables</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncreaseDecreaseInAccountsAndOtherReceivables" xlink:to="label_us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables" use="optional" order="18" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidExpense" xlink:label="IncreaseDecreaseInPrepaidExpense" xlink:title="IncreaseDecreaseInPrepaidExpense"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_IncreaseDecreaseInPrepaidExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_us-gaap_IncreaseDecreaseInPrepaidExpense" xml:lang="en-US" id="negatedLabel_us-gaap_IncreaseDecreaseInPrepaidExpense_en-US">(Increase) decrease in prepaid expenses and other assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncreaseDecreaseInPrepaidExpense" xlink:to="label_us-gaap_IncreaseDecreaseInPrepaidExpense" use="optional" order="19" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:title="IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xml:lang="en-US" id="label_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_en-US">Increase (decrease) in accounts payable and accrued liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:to="label_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" use="optional" order="20" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredRevenue" xlink:label="IncreaseDecreaseInDeferredRevenue" xlink:title="IncreaseDecreaseInDeferredRevenue"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_IncreaseDecreaseInDeferredRevenue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_IncreaseDecreaseInDeferredRevenue" xml:lang="en-US" id="label_us-gaap_IncreaseDecreaseInDeferredRevenue_en-US">Changes in deferred revenue</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncreaseDecreaseInDeferredRevenue" xlink:to="label_us-gaap_IncreaseDecreaseInDeferredRevenue" use="optional" order="21" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_CashPaidForReclamationAndRemediationActivities" xlink:label="CashPaidForReclamationAndRemediationActivities" xlink:title="CashPaidForReclamationAndRemediationActivities"/>
    <link:label xlink:type="resource" xlink:label="label_efr_CashPaidForReclamationAndRemediationActivities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_efr_CashPaidForReclamationAndRemediationActivities" xml:lang="en-US" id="terseLabel_efr_CashPaidForReclamationAndRemediationActivities_en-US">Cash paid for reclamation and remediation activities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashPaidForReclamationAndRemediationActivities" xlink:to="label_efr_CashPaidForReclamationAndRemediationActivities" use="optional" order="22" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_CashPaidForReclamationAndRemediationActivities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_CashPaidForReclamationAndRemediationActivities" xml:lang="en-US" id="documentation_efr_CashPaidForReclamationAndRemediationActivities_en-US">Cash paid for reclamation and remediation activities</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="NetCashProvidedByUsedInOperatingActivities" xlink:title="NetCashProvidedByUsedInOperatingActivities"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_us-gaap_NetCashProvidedByUsedInOperatingActivities" xml:lang="en-US" id="totalLabel_us-gaap_NetCashProvidedByUsedInOperatingActivities_en-US">Net cash provided by (used in) operating activities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:to="label_us-gaap_NetCashProvidedByUsedInOperatingActivities" use="optional" order="23" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:title="NetCashProvidedByUsedInInvestingActivitiesAbstract"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xml:lang="en-US" id="label_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_en-US">INVESTING ACTIVITIES</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="label_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" use="optional" order="24" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="PaymentsToAcquirePropertyPlantAndEquipment" xlink:title="PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xml:lang="en-US" id="negatedLabel_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_en-US">Purchase of mineral properties and property, plant and equipment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="label_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" use="optional" order="25" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAcquiredFromAcquisition" xlink:label="CashAcquiredFromAcquisition" xlink:title="CashAcquiredFromAcquisition"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_CashAcquiredFromAcquisition" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_CashAcquiredFromAcquisition" xml:lang="en-US" id="label_us-gaap_CashAcquiredFromAcquisition_en-US">Cash acquired in the acquisition of Uranerz Energy Corporation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashAcquiredFromAcquisition" xlink:to="label_us-gaap_CashAcquiredFromAcquisition" use="optional" order="26" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncreaseDecreaseInRestrictedCash" xlink:label="IncreaseDecreaseInRestrictedCash" xlink:title="IncreaseDecreaseInRestrictedCash"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_IncreaseDecreaseInRestrictedCash" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_us-gaap_IncreaseDecreaseInRestrictedCash" xml:lang="en-US" id="negatedLabel_us-gaap_IncreaseDecreaseInRestrictedCash_en-US">Receipt of restricted cash related to restructuring bonding program</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncreaseDecreaseInRestrictedCash" xlink:to="label_us-gaap_IncreaseDecreaseInRestrictedCash" use="optional" order="27" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_ProceedsfromSaleOfMineralProperties" xlink:label="ProceedsfromSaleOfMineralProperties" xlink:title="ProceedsfromSaleOfMineralProperties"/>
    <link:label xlink:type="resource" xlink:label="label_efr_ProceedsfromSaleOfMineralProperties" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_ProceedsfromSaleOfMineralProperties" xml:lang="en-US" id="verboseLabel_efr_ProceedsfromSaleOfMineralProperties_en-US">Sale of mineral properties held for sale</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsfromSaleOfMineralProperties" xlink:to="label_efr_ProceedsfromSaleOfMineralProperties" use="optional" order="28" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_ProceedsfromSaleOfMineralProperties" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_ProceedsfromSaleOfMineralProperties" xml:lang="en-US" id="documentation_efr_ProceedsfromSaleOfMineralProperties_en-US">Sale of mineral properties held for sale</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:label="ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:title="ProceedsFromSaleOfPropertyPlantAndEquipment"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xml:lang="en-US" id="terseLabel_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_en-US">Sale of plant and equipment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:to="label_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" use="optional" order="29" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:label="ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:title="ProceedsFromSaleAndMaturityOfMarketableSecurities"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" xml:lang="en-US" id="terseLabel_us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_en-US">Sale of marketable securities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:to="label_us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" use="optional" order="30" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_AcquisitionOfStrathmoreMineralsCorporationNetOfCashAcquired" xlink:label="AcquisitionOfStrathmoreMineralsCorporationNetOfCashAcquired" xlink:title="AcquisitionOfStrathmoreMineralsCorporationNetOfCashAcquired"/>
    <link:label xlink:type="resource" xlink:label="label_efr_AcquisitionOfStrathmoreMineralsCorporationNetOfCashAcquired" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_AcquisitionOfStrathmoreMineralsCorporationNetOfCashAcquired" xml:lang="en-US" id="verboseLabel_efr_AcquisitionOfStrathmoreMineralsCorporationNetOfCashAcquired_en-US">Acquisition of Strathmore Minerals Corporation, net of cash acquired</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AcquisitionOfStrathmoreMineralsCorporationNetOfCashAcquired" xlink:to="label_efr_AcquisitionOfStrathmoreMineralsCorporationNetOfCashAcquired" use="optional" order="31" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_AcquisitionOfStrathmoreMineralsCorporationNetOfCashAcquired" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_AcquisitionOfStrathmoreMineralsCorporationNetOfCashAcquired" xml:lang="en-US" id="documentation_efr_AcquisitionOfStrathmoreMineralsCorporationNetOfCashAcquired_en-US">Acquisition of Strathmore Minerals Corporation, net of cash acquired</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="NetCashProvidedByUsedInInvestingActivities" xlink:title="NetCashProvidedByUsedInInvestingActivities"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="label_us-gaap_NetCashProvidedByUsedInInvestingActivities" xml:lang="en-US" id="totalLabel_us-gaap_NetCashProvidedByUsedInInvestingActivities_en-US">Net cash provided by (used in) financing activities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInInvestingActivities" xlink:to="label_us-gaap_NetCashProvidedByUsedInInvestingActivities" use="optional" order="32" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:title="NetCashProvidedByUsedInFinancingActivitiesAbstract"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xml:lang="en-US" id="label_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_en-US">FINANCING ACTIVITIES</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="label_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" use="optional" order="33" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="ProceedsFromIssuanceOfCommonStock" xlink:title="ProceedsFromIssuanceOfCommonStock"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ProceedsFromIssuanceOfCommonStock" xml:lang="en-US" id="label_us-gaap_ProceedsFromIssuanceOfCommonStock_en-US">Issuance of common shares for cash</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromIssuanceOfCommonStock" xlink:to="label_us-gaap_ProceedsFromIssuanceOfCommonStock" use="optional" order="34" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="ProceedsFromStockOptionsExercised" xlink:title="ProceedsFromStockOptionsExercised"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ProceedsFromStockOptionsExercised" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_ProceedsFromStockOptionsExercised" xml:lang="en-US" id="terseLabel_us-gaap_ProceedsFromStockOptionsExercised_en-US">Option and warrant exercises</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromStockOptionsExercised" xlink:to="label_us-gaap_ProceedsFromStockOptionsExercised" use="optional" order="35" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="RepaymentsOfLongTermDebt" xlink:title="RepaymentsOfLongTermDebt"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_RepaymentsOfLongTermDebt" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_us-gaap_RepaymentsOfLongTermDebt" xml:lang="en-US" id="negatedLabel_us-gaap_RepaymentsOfLongTermDebt_en-US">Repayment of loans and borrowings</link:label>
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    <link:label xlink:type="resource" xlink:label="label_efr_CashReceivedFromNonControllingInterest" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_efr_CashReceivedFromNonControllingInterest" xml:lang="en-US" id="terseLabel_efr_CashReceivedFromNonControllingInterest_en-US">Cash received from non-controlling interest</link:label>
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    <link:label xlink:type="resource" xlink:label="label_efr_CashReceivedFromNonControllingInterest" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_CashReceivedFromNonControllingInterest" xml:lang="en-US" id="documentation_efr_CashReceivedFromNonControllingInterest_en-US">Cash received from non-controlling interest</link:label>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInFinancingActivities" xlink:to="label_us-gaap_NetCashProvidedByUsedInFinancingActivities" use="optional" order="38" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:title="CashAndCashEquivalentsPeriodIncreaseDecrease"/>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:to="label_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" use="optional" order="39" xlink:title=""/>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EffectOfExchangeRateOnCashAndCashEquivalents" xlink:to="label_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" use="optional" order="40" xlink:title=""/>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:title="label_us-gaap_CashAndCashEquivalentsAtCarryingValue" xml:lang="en-US" id="periodEndLabel_us-gaap_CashAndCashEquivalentsAtCarryingValue_en-US">CASH AND CASH EQUIVALENTS - END OF PERIOD</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_OtherNoncashInvestingAndFinancingItemsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_OtherNoncashInvestingAndFinancingItemsAbstract" xml:lang="en-US" id="label_us-gaap_OtherNoncashInvestingAndFinancingItemsAbstract_en-US">Non-cash investing and financing transactions:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherNoncashInvestingAndFinancingItemsAbstract" xlink:to="label_us-gaap_OtherNoncashInvestingAndFinancingItemsAbstract" use="optional" order="43" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_IssuanceOfSecuredNotesForAcquisitionOfMineralProperties" xlink:label="IssuanceOfSecuredNotesForAcquisitionOfMineralProperties" xlink:title="IssuanceOfSecuredNotesForAcquisitionOfMineralProperties"/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfSecuredNotesForAcquisitionOfMineralProperties" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_IssuanceOfSecuredNotesForAcquisitionOfMineralProperties" xml:lang="en-US" id="label_efr_IssuanceOfSecuredNotesForAcquisitionOfMineralProperties_en-US">Issuance of secured notes for acquisition of mineral properties</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfSecuredNotesForAcquisitionOfMineralProperties" xlink:to="label_efr_IssuanceOfSecuredNotesForAcquisitionOfMineralProperties" use="optional" order="44" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfSecuredNotesForAcquisitionOfMineralProperties" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_IssuanceOfSecuredNotesForAcquisitionOfMineralProperties" xml:lang="en-US" id="documentation_efr_IssuanceOfSecuredNotesForAcquisitionOfMineralProperties_en-US">Issuance of secured notes for acquisition of mineral properties</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_IssuanceOfCommonSharesForAcquisitionOfMineralProperties" xlink:label="IssuanceOfCommonSharesForAcquisitionOfMineralProperties" xlink:title="IssuanceOfCommonSharesForAcquisitionOfMineralProperties"/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfCommonSharesForAcquisitionOfMineralProperties" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_IssuanceOfCommonSharesForAcquisitionOfMineralProperties" xml:lang="en-US" id="label_efr_IssuanceOfCommonSharesForAcquisitionOfMineralProperties_en-US">Issuance of common shares for acquisition of mineral properties</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfCommonSharesForAcquisitionOfMineralProperties" xlink:to="label_efr_IssuanceOfCommonSharesForAcquisitionOfMineralProperties" use="optional" order="45" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfCommonSharesForAcquisitionOfMineralProperties" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_IssuanceOfCommonSharesForAcquisitionOfMineralProperties" xml:lang="en-US" id="documentation_efr_IssuanceOfCommonSharesForAcquisitionOfMineralProperties_en-US">Issuance of common shares for acquisition of mineral properties</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_IssuanceOfCommonSharesOptionsAndWarrantsForAcquisitionOfUranerzEnergyCorporation" xlink:label="IssuanceOfCommonSharesOptionsAndWarrantsForAcquisitionOfUranerzEnergyCorporation" xlink:title="IssuanceOfCommonSharesOptionsAndWarrantsForAcquisitionOfUranerzEnergyCorporation"/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfCommonSharesOptionsAndWarrantsForAcquisitionOfUranerzEnergyCorporation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_IssuanceOfCommonSharesOptionsAndWarrantsForAcquisitionOfUranerzEnergyCorporation" xml:lang="en-US" id="label_efr_IssuanceOfCommonSharesOptionsAndWarrantsForAcquisitionOfUranerzEnergyCorporation_en-US">Issuance of common shares, options and warrants for acquisition of Uranerz Energy Corporation</link:label>
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    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfCommonSharesOptionsAndWarrantsForAcquisitionOfUranerzEnergyCorporation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_IssuanceOfCommonSharesOptionsAndWarrantsForAcquisitionOfUranerzEnergyCorporation" xml:lang="en-US" id="documentation_efr_IssuanceOfCommonSharesOptionsAndWarrantsForAcquisitionOfUranerzEnergyCorporation_en-US">Issuance of common shares, options and warrants for acquisition of Uranerz Energy Corporation</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_IssuanceOfSharesForInvestmentInVirginiaEnergy" xlink:label="IssuanceOfSharesForInvestmentInVirginiaEnergy" xlink:title="IssuanceOfSharesForInvestmentInVirginiaEnergy"/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfSharesForInvestmentInVirginiaEnergy" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_IssuanceOfSharesForInvestmentInVirginiaEnergy" xml:lang="en-US" id="label_efr_IssuanceOfSharesForInvestmentInVirginiaEnergy_en-US">Issuance of shares for investment in Virginia Energy</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfSharesForInvestmentInVirginiaEnergy" xlink:to="label_efr_IssuanceOfSharesForInvestmentInVirginiaEnergy" use="optional" order="47" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfSharesForInvestmentInVirginiaEnergy" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_IssuanceOfSharesForInvestmentInVirginiaEnergy" xml:lang="en-US" id="documentation_efr_IssuanceOfSharesForInvestmentInVirginiaEnergy_en-US">Issuance of shares for investment in Virginia Energy</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_IssuanceOfSharesAndWarrantsForAcquisitionOfStrathmoreMineralsCorp" xlink:label="IssuanceOfSharesAndWarrantsForAcquisitionOfStrathmoreMineralsCorp" xlink:title="IssuanceOfSharesAndWarrantsForAcquisitionOfStrathmoreMineralsCorp"/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfSharesAndWarrantsForAcquisitionOfStrathmoreMineralsCorp" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_IssuanceOfSharesAndWarrantsForAcquisitionOfStrathmoreMineralsCorp" xml:lang="en-US" id="label_efr_IssuanceOfSharesAndWarrantsForAcquisitionOfStrathmoreMineralsCorp_en-US">Issuance of shares and warrants for acquisition of Strathmore Minerals Corp</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfSharesAndWarrantsForAcquisitionOfStrathmoreMineralsCorp" xlink:to="label_efr_IssuanceOfSharesAndWarrantsForAcquisitionOfStrathmoreMineralsCorp" use="optional" order="48" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfSharesAndWarrantsForAcquisitionOfStrathmoreMineralsCorp" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_IssuanceOfSharesAndWarrantsForAcquisitionOfStrathmoreMineralsCorp" xml:lang="en-US" id="documentation_efr_IssuanceOfSharesAndWarrantsForAcquisitionOfStrathmoreMineralsCorp_en-US">Issuance of shares and warrants for acquisition of Strathmore Minerals Corp</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_IssuanceOfSecuredNotesForAcquisitionOfMineralPropertiesTwo" xlink:label="IssuanceOfSecuredNotesForAcquisitionOfMineralPropertiesTwo" xlink:title="IssuanceOfSecuredNotesForAcquisitionOfMineralPropertiesTwo"/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfSecuredNotesForAcquisitionOfMineralPropertiesTwo" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_IssuanceOfSecuredNotesForAcquisitionOfMineralPropertiesTwo" xml:lang="en-US" id="verboseLabel_efr_IssuanceOfSecuredNotesForAcquisitionOfMineralPropertiesTwo_en-US">Issuance of secured notes for acquisition of mineral properties 2</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfSecuredNotesForAcquisitionOfMineralPropertiesTwo" xlink:to="label_efr_IssuanceOfSecuredNotesForAcquisitionOfMineralPropertiesTwo" use="optional" order="49" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfSecuredNotesForAcquisitionOfMineralPropertiesTwo" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_IssuanceOfSecuredNotesForAcquisitionOfMineralPropertiesTwo" xml:lang="en-US" id="documentation_efr_IssuanceOfSecuredNotesForAcquisitionOfMineralPropertiesTwo_en-US">Issuance of secured notes for acquisition of mineral properties 2</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_NotesToFinancialStatementsAbstract" xlink:label="NotesToFinancialStatementsAbstract" xlink:title="NotesToFinancialStatementsAbstract"/>
    <link:label xlink:type="resource" xlink:label="label_efr_NotesToFinancialStatementsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_NotesToFinancialStatementsAbstract" xml:lang="en-US" id="label_efr_NotesToFinancialStatementsAbstract_en-US">Notes to Financial Statements [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NotesToFinancialStatementsAbstract" xlink:to="label_efr_NotesToFinancialStatementsAbstract" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_NotesToFinancialStatementsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_NotesToFinancialStatementsAbstract" xml:lang="en-US" id="documentation_efr_NotesToFinancialStatementsAbstract_en-US">Notes to Financial Statements [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_TheCompanyAndDescriptionOfBusinessTextBlock" xlink:label="TheCompanyAndDescriptionOfBusinessTextBlock" xlink:title="TheCompanyAndDescriptionOfBusinessTextBlock"/>
    <link:label xlink:type="resource" xlink:label="label_efr_TheCompanyAndDescriptionOfBusinessTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_TheCompanyAndDescriptionOfBusinessTextBlock" xml:lang="en-US" id="label_efr_TheCompanyAndDescriptionOfBusinessTextBlock_en-US">THE COMPANY AND DESCRIPTION OF BUSINESS [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TheCompanyAndDescriptionOfBusinessTextBlock" xlink:to="label_efr_TheCompanyAndDescriptionOfBusinessTextBlock" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_TheCompanyAndDescriptionOfBusinessTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_TheCompanyAndDescriptionOfBusinessTextBlock" xml:lang="en-US" id="documentation_efr_TheCompanyAndDescriptionOfBusinessTextBlock_en-US">THE COMPANY AND DESCRIPTION OF BUSINESS</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_BasisOfPresentationTextBlock" xlink:label="BasisOfPresentationTextBlock" xlink:title="BasisOfPresentationTextBlock"/>
    <link:label xlink:type="resource" xlink:label="label_efr_BasisOfPresentationTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_BasisOfPresentationTextBlock" xml:lang="en-US" id="label_efr_BasisOfPresentationTextBlock_en-US">BASIS OF PRESENTATION [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BasisOfPresentationTextBlock" xlink:to="label_efr_BasisOfPresentationTextBlock" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_BasisOfPresentationTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_BasisOfPresentationTextBlock" xml:lang="en-US" id="documentation_efr_BasisOfPresentationTextBlock_en-US">BASIS OF PRESENTATION</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SubstantialDoubtAboutGoingConcernTextBlock" xlink:label="SubstantialDoubtAboutGoingConcernTextBlock" xlink:title="SubstantialDoubtAboutGoingConcernTextBlock"/>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SubstantialDoubtAboutGoingConcernTextBlock" xlink:to="label_us-gaap_SubstantialDoubtAboutGoingConcernTextBlock" use="optional" order="3" xlink:title=""/>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessCombinationDisclosureTextBlock" xlink:to="label_us-gaap_BusinessCombinationDisclosureTextBlock" use="optional" order="4" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" xlink:label="LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" xlink:title="LoansNotesTradeAndOtherReceivablesDisclosureTextBlock"/>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xml:lang="en-US" id="label_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_en-US">PLANT AND EQUIPMENT AND MINERAL PROPERTIES [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentDisclosureTextBlock" xlink:to="label_us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" use="optional" order="8" xlink:title=""/>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_AssetImpairmentChargesTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_AssetImpairmentChargesTextBlock" xml:lang="en-US" id="label_us-gaap_AssetImpairmentChargesTextBlock_en-US">IMPAIRMENTS [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetImpairmentChargesTextBlock" xlink:to="label_us-gaap_AssetImpairmentChargesTextBlock" use="optional" order="9" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetRetirementObligationDisclosureTextBlock" xlink:label="AssetRetirementObligationDisclosureTextBlock" xlink:title="AssetRetirementObligationDisclosureTextBlock"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AssetRetirementObligationDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_AssetRetirementObligationDisclosureTextBlock" xml:lang="en-US" id="label_us-gaap_AssetRetirementObligationDisclosureTextBlock_en-US">ASSET RETIREMENT OBLIGATIONS [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetRetirementObligationDisclosureTextBlock" xlink:to="label_us-gaap_AssetRetirementObligationDisclosureTextBlock" use="optional" order="10" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtDisclosureTextBlock" xlink:label="DebtDisclosureTextBlock" xlink:title="DebtDisclosureTextBlock"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DebtDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_DebtDisclosureTextBlock" xml:lang="en-US" id="label_us-gaap_DebtDisclosureTextBlock_en-US">LOANS AND BORROWINGS [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtDisclosureTextBlock" xlink:to="label_us-gaap_DebtDisclosureTextBlock" use="optional" order="11" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:label="StockholdersEquityNoteDisclosureTextBlock" xlink:title="StockholdersEquityNoteDisclosureTextBlock"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_StockholdersEquityNoteDisclosureTextBlock" xml:lang="en-US" id="label_us-gaap_StockholdersEquityNoteDisclosureTextBlock_en-US">CAPITAL STOCK [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquityNoteDisclosureTextBlock" xlink:to="label_us-gaap_StockholdersEquityNoteDisclosureTextBlock" use="optional" order="12" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EarningsPerShareTextBlock" xlink:label="EarningsPerShareTextBlock" xlink:title="EarningsPerShareTextBlock"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_EarningsPerShareTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_EarningsPerShareTextBlock" xml:lang="en-US" id="label_us-gaap_EarningsPerShareTextBlock_en-US">BASIC AND DILUTED LOSS PER COMMON SHARE [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EarningsPerShareTextBlock" xlink:to="label_us-gaap_EarningsPerShareTextBlock" use="optional" order="13" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:label="DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:title="DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xml:lang="en-US" id="label_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock_en-US">SHARE-BASED PAYMENTS [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" xlink:to="label_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" use="optional" order="14" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AdditionalFinancialInformationDisclosureTextBlock" xlink:label="AdditionalFinancialInformationDisclosureTextBlock" xlink:title="AdditionalFinancialInformationDisclosureTextBlock"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AdditionalFinancialInformationDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_AdditionalFinancialInformationDisclosureTextBlock" xml:lang="en-US" id="label_us-gaap_AdditionalFinancialInformationDisclosureTextBlock_en-US">SUPPLEMENTAL FINANCIAL INFORMATION [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AdditionalFinancialInformationDisclosureTextBlock" xlink:to="label_us-gaap_AdditionalFinancialInformationDisclosureTextBlock" use="optional" order="15" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:label="CommitmentsAndContingenciesDisclosureTextBlock" xlink:title="CommitmentsAndContingenciesDisclosureTextBlock"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xml:lang="en-US" id="label_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_en-US">COMMITMENTS AND CONTINGENCIES [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommitmentsAndContingenciesDisclosureTextBlock" xlink:to="label_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" use="optional" order="16" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock" xlink:label="SegmentReportingDisclosureTextBlock" xlink:title="SegmentReportingDisclosureTextBlock"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_SegmentReportingDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_SegmentReportingDisclosureTextBlock" xml:lang="en-US" id="label_us-gaap_SegmentReportingDisclosureTextBlock_en-US">SEGMENT INFORMATION [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SegmentReportingDisclosureTextBlock" xlink:to="label_us-gaap_SegmentReportingDisclosureTextBlock" use="optional" order="17" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock" xlink:label="IncomeTaxDisclosureTextBlock" xlink:title="IncomeTaxDisclosureTextBlock"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_IncomeTaxDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_IncomeTaxDisclosureTextBlock" xml:lang="en-US" id="label_us-gaap_IncomeTaxDisclosureTextBlock_en-US">INCOME TAXES [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeTaxDisclosureTextBlock" xlink:to="label_us-gaap_IncomeTaxDisclosureTextBlock" use="optional" order="18" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_QuarterlyFinancialInformationTextBlock" xlink:label="QuarterlyFinancialInformationTextBlock" xlink:title="QuarterlyFinancialInformationTextBlock"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_QuarterlyFinancialInformationTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_QuarterlyFinancialInformationTextBlock" xml:lang="en-US" id="label_us-gaap_QuarterlyFinancialInformationTextBlock_en-US">UNAUDITED SUPPLEMENTARY QUARTERLY INFORMATION [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QuarterlyFinancialInformationTextBlock" xlink:to="label_us-gaap_QuarterlyFinancialInformationTextBlock" use="optional" order="19" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="FairValueDisclosuresTextBlock" xlink:title="FairValueDisclosuresTextBlock"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_FairValueDisclosuresTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_FairValueDisclosuresTextBlock" xml:lang="en-US" id="label_us-gaap_FairValueDisclosuresTextBlock_en-US">FAIR VALUE ACCOUNTING [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueDisclosuresTextBlock" xlink:to="label_us-gaap_FairValueDisclosuresTextBlock" use="optional" order="20" xlink:title=""/>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_UseOfEstimates" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_UseOfEstimates" xml:lang="en-US" id="label_us-gaap_UseOfEstimates_en-US">Use of Estimates [Policy Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UseOfEstimates" xlink:to="label_us-gaap_UseOfEstimates" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConsolidationPolicyTextBlock" xlink:label="ConsolidationPolicyTextBlock" xlink:title="ConsolidationPolicyTextBlock"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ConsolidationPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ConsolidationPolicyTextBlock" xml:lang="en-US" id="label_us-gaap_ConsolidationPolicyTextBlock_en-US">Basis of consolidation [Policy Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConsolidationPolicyTextBlock" xlink:to="label_us-gaap_ConsolidationPolicyTextBlock" use="optional" order="2" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_ExtractingAndRecoveryActivitiesWhileInTheExplorationStagePolicyTextBlock" xlink:label="ExtractingAndRecoveryActivitiesWhileInTheExplorationStagePolicyTextBlock" xlink:title="ExtractingAndRecoveryActivitiesWhileInTheExplorationStagePolicyTextBlock"/>
    <link:label xlink:type="resource" xlink:label="label_efr_ExtractingAndRecoveryActivitiesWhileInTheExplorationStagePolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_ExtractingAndRecoveryActivitiesWhileInTheExplorationStagePolicyTextBlock" xml:lang="en-US" id="label_efr_ExtractingAndRecoveryActivitiesWhileInTheExplorationStagePolicyTextBlock_en-US">Extracting and Recovery Activities while in the Exploration stage [Policy Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ExtractingAndRecoveryActivitiesWhileInTheExplorationStagePolicyTextBlock" xlink:to="label_efr_ExtractingAndRecoveryActivitiesWhileInTheExplorationStagePolicyTextBlock" use="optional" order="3" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_ExtractingAndRecoveryActivitiesWhileInTheExplorationStagePolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_ExtractingAndRecoveryActivitiesWhileInTheExplorationStagePolicyTextBlock" xml:lang="en-US" id="documentation_efr_ExtractingAndRecoveryActivitiesWhileInTheExplorationStagePolicyTextBlock_en-US">Extracting and Recovery Activities while in the Exploration stage</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock" xml:lang="en-US" id="label_us-gaap_BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock_en-US">Business combinations [Policy Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock" xlink:to="label_us-gaap_BusinessCombinationsAndOtherPurchaseOfBusinessTransactionsPolicyTextBlock" use="optional" order="4" xlink:title=""/>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:to="label_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" use="optional" order="5" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:label="CashAndCashEquivalentsPolicyTextBlock" xlink:title="CashAndCashEquivalentsPolicyTextBlock"/>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CashAndCashEquivalentsPolicyTextBlock" xlink:to="label_us-gaap_CashAndCashEquivalentsPolicyTextBlock" use="optional" order="6" xlink:title=""/>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InvestmentPolicyTextBlock" xlink:to="label_us-gaap_InvestmentPolicyTextBlock" use="optional" order="7" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InventoryPolicyTextBlock" xlink:label="InventoryPolicyTextBlock" xlink:title="InventoryPolicyTextBlock"/>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryPolicyTextBlock" xlink:to="label_us-gaap_InventoryPolicyTextBlock" use="optional" order="8" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:label="PropertyPlantAndEquipmentPolicyTextBlock" xlink:title="PropertyPlantAndEquipmentPolicyTextBlock"/>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentPolicyTextBlock" xlink:to="label_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" use="optional" order="9" xlink:title=""/>
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    <link:label xlink:type="resource" xlink:label="label_efr_NonoperatingAssetsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_NonoperatingAssetsPolicyTextBlock" xml:lang="en-US" id="verboseLabel_efr_NonoperatingAssetsPolicyTextBlock_en-US">Non-operating Assets [Policy Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NonoperatingAssetsPolicyTextBlock" xlink:to="label_efr_NonoperatingAssetsPolicyTextBlock" use="optional" order="11" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_NonoperatingAssetsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_NonoperatingAssetsPolicyTextBlock" xml:lang="en-US" id="documentation_efr_NonoperatingAssetsPolicyTextBlock_en-US">Non-operating Assets</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OilAndGasPropertiesPolicyPolicyTextBlock" xlink:label="OilAndGasPropertiesPolicyPolicyTextBlock" xlink:title="OilAndGasPropertiesPolicyPolicyTextBlock"/>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TreasurySharesTextBlock" xlink:to="label_efr_TreasurySharesTextBlock" use="optional" order="19" xlink:title=""/>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" xlink:to="label_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" use="optional" order="3" xlink:title=""/>
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    <link:label xlink:type="resource" xlink:label="label_efr_SharePurchaseWarrantsScheduleAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_SharePurchaseWarrantsScheduleAxis" xml:lang="en-US" id="label_efr_SharePurchaseWarrantsScheduleAxis_en-US">Share Purchase Warrants Schedule [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharePurchaseWarrantsScheduleAxis" xlink:to="label_efr_SharePurchaseWarrantsScheduleAxis" use="optional" order="1" xlink:title=""/>
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    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_SharePurchaseWarrantsScheduleDomain" xlink:label="SharePurchaseWarrantsScheduleDomain" xlink:title="SharePurchaseWarrantsScheduleDomain"/>
    <link:label xlink:type="resource" xlink:label="label_efr_SharePurchaseWarrantsScheduleDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_SharePurchaseWarrantsScheduleDomain" xml:lang="en-US" id="label_efr_SharePurchaseWarrantsScheduleDomain_en-US">Share Purchase Warrants Schedule [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharePurchaseWarrantsScheduleDomain" xlink:to="label_efr_SharePurchaseWarrantsScheduleDomain" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_SharePurchaseWarrantsScheduleDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_SharePurchaseWarrantsScheduleDomain" xml:lang="en-US" id="documentation_efr_SharePurchaseWarrantsScheduleDomain_en-US">Share Purchase Warrants Schedule</link:label>
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    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfThreeFiveFiveZeroZeroFiveWarrantsForJuneTwoZeroOneTwoPrivatePlacementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_IssuanceOfThreeFiveFiveZeroZeroFiveWarrantsForJuneTwoZeroOneTwoPrivatePlacementMember" xml:lang="en-US" id="documentation_efr_IssuanceOfThreeFiveFiveZeroZeroFiveWarrantsForJuneTwoZeroOneTwoPrivatePlacementMember_en-US">Issuance of 355,005 warrants for June 2012 private placement</link:label>
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    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_SharePurchaseWarrantsDenominatedInUnitedStatesDollarsMember" xlink:label="SharePurchaseWarrantsDenominatedInUnitedStatesDollarsMember" xlink:title="SharePurchaseWarrantsDenominatedInUnitedStatesDollarsMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_SharePurchaseWarrantsDenominatedInUnitedStatesDollarsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_SharePurchaseWarrantsDenominatedInUnitedStatesDollarsMember" xml:lang="en-US" id="label_efr_SharePurchaseWarrantsDenominatedInUnitedStatesDollarsMember_en-US">Share Purchase Warrants Denominated in United States Dollars [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharePurchaseWarrantsDenominatedInUnitedStatesDollarsMember" xlink:to="label_efr_SharePurchaseWarrantsDenominatedInUnitedStatesDollarsMember" use="optional" order="6" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_SharePurchaseWarrantsDenominatedInUnitedStatesDollarsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_SharePurchaseWarrantsDenominatedInUnitedStatesDollarsMember" xml:lang="en-US" id="documentation_efr_SharePurchaseWarrantsDenominatedInUnitedStatesDollarsMember_en-US">Share Purchase Warrants Denominated in United States Dollars</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock" xml:lang="en-US" id="label_us-gaap_ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock_en-US">Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock" xlink:to="label_us-gaap_ScheduleOfStockholdersEquityNoteWarrantsOrRightsTextBlock" use="optional" order="12" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_ScheduleOfStockholdersEquityNoteWarrantsOrRightsValuationAssumptionsTextBlock" xlink:label="ScheduleOfStockholdersEquityNoteWarrantsOrRightsValuationAssumptionsTextBlock" xlink:title="ScheduleOfStockholdersEquityNoteWarrantsOrRightsValuationAssumptionsTextBlock"/>
    <link:label xlink:type="resource" xlink:label="label_efr_ScheduleOfStockholdersEquityNoteWarrantsOrRightsValuationAssumptionsTextBlock" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_ScheduleOfStockholdersEquityNoteWarrantsOrRightsValuationAssumptionsTextBlock" xml:lang="en-US" id="verboseLabel_efr_ScheduleOfStockholdersEquityNoteWarrantsOrRightsValuationAssumptionsTextBlock_en-US">Schedule of Stockholders' Equity Note, Warrants or Rights, Valuation Assumptions [Table Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfStockholdersEquityNoteWarrantsOrRightsValuationAssumptionsTextBlock" xlink:to="label_efr_ScheduleOfStockholdersEquityNoteWarrantsOrRightsValuationAssumptionsTextBlock" use="optional" order="13" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_ScheduleOfStockholdersEquityNoteWarrantsOrRightsValuationAssumptionsTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_ScheduleOfStockholdersEquityNoteWarrantsOrRightsValuationAssumptionsTextBlock" xml:lang="en-US" id="documentation_efr_ScheduleOfStockholdersEquityNoteWarrantsOrRightsValuationAssumptionsTextBlock_en-US">Schedule of Stockholders' Equity Note, Warrants or Rights, Valuation Assumptions [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:label="ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:title="ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock"/>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:to="label_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" use="optional" order="14" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_SharebasedPaymentsScheduleAxis" xlink:label="SharebasedPaymentsScheduleAxis" xlink:title="SharebasedPaymentsScheduleAxis"/>
    <link:label xlink:type="resource" xlink:label="label_efr_SharebasedPaymentsScheduleAxis" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_SharebasedPaymentsScheduleAxis" xml:lang="en-US" id="verboseLabel_efr_SharebasedPaymentsScheduleAxis_en-US">Share-Based Payments Schedule [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharebasedPaymentsScheduleAxis" xlink:to="label_efr_SharebasedPaymentsScheduleAxis" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_SharebasedPaymentsScheduleAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_SharebasedPaymentsScheduleAxis" xml:lang="en-US" id="documentation_efr_SharebasedPaymentsScheduleAxis_en-US">Share-Based Payments Schedule</link:label>
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    <link:label xlink:type="resource" xlink:label="label_efr_SharebasedPaymentsScheduleDomain" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_SharebasedPaymentsScheduleDomain" xml:lang="en-US" id="verboseLabel_efr_SharebasedPaymentsScheduleDomain_en-US">Share-Based Payments Schedule [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SharebasedPaymentsScheduleDomain" xlink:to="label_efr_SharebasedPaymentsScheduleDomain" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_SharebasedPaymentsScheduleDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_SharebasedPaymentsScheduleDomain" xml:lang="en-US" id="documentation_efr_SharebasedPaymentsScheduleDomain_en-US">Share-Based Payments Schedule</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_FairValueOfStockOptionsGrantedToEmployeesDirectorsAndConsultantsOfCompaniesAcquiredThroughBusinessCombinationsMember" xlink:label="FairValueOfStockOptionsGrantedToEmployeesDirectorsAndConsultantsOfCompaniesAcquiredThroughBusinessCombinationsMember" xlink:title="FairValueOfStockOptionsGrantedToEmployeesDirectorsAndConsultantsOfCompaniesAcquiredThroughBusinessCombinationsMember"/>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" xlink:to="label_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" use="optional" order="24" xlink:title=""/>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock" xlink:label="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock" xlink:title="FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock"/>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_PropertyPlantAndEquipmentByTypeAxis" xml:lang="en-US" id="label_us-gaap_PropertyPlantAndEquipmentByTypeAxis_en-US">Property, Plant and Equipment, Type [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentByTypeAxis" xlink:to="label_us-gaap_PropertyPlantAndEquipmentByTypeAxis" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="PropertyPlantAndEquipmentTypeDomain" xlink:title="PropertyPlantAndEquipmentTypeDomain"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_PropertyPlantAndEquipmentTypeDomain" xml:lang="en-US" id="label_us-gaap_PropertyPlantAndEquipmentTypeDomain_en-US">Property, Plant and Equipment, Type [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentTypeDomain" xlink:to="label_us-gaap_PropertyPlantAndEquipmentTypeDomain" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_NicholsRanchMember" xlink:label="NicholsRanchMember" xlink:title="NicholsRanchMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_NicholsRanchMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_NicholsRanchMember" xml:lang="en-US" id="label_efr_NicholsRanchMember_en-US">Nichols Ranch [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NicholsRanchMember" xlink:to="label_efr_NicholsRanchMember" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_NicholsRanchMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_NicholsRanchMember" xml:lang="en-US" id="documentation_efr_NicholsRanchMember_en-US">Nichols Ranch</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_RocaHondaMember" xlink:label="RocaHondaMember" xlink:title="RocaHondaMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_RocaHondaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_RocaHondaMember" xml:lang="en-US" id="label_efr_RocaHondaMember_en-US">Roca Honda [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RocaHondaMember" xlink:to="label_efr_RocaHondaMember" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_RocaHondaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_RocaHondaMember" xml:lang="en-US" id="documentation_efr_RocaHondaMember_en-US">Roca Honda</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Depreciation" xlink:label="Depreciation" xlink:title="Depreciation"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_Depreciation" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_Depreciation" xml:lang="en-US" id="verboseLabel_us-gaap_Depreciation_en-US">Depreciation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Depreciation" xlink:to="label_us-gaap_Depreciation" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferredOther1" xlink:label="BusinessCombinationConsiderationTransferredOther1" xlink:title="BusinessCombinationConsiderationTransferredOther1"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_BusinessCombinationConsiderationTransferredOther1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_BusinessCombinationConsiderationTransferredOther1" xml:lang="en-US" id="verboseLabel_us-gaap_BusinessCombinationConsiderationTransferredOther1_en-US">Business Combination, Consideration Transferred, Other</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessCombinationConsiderationTransferredOther1" xlink:to="label_us-gaap_BusinessCombinationConsiderationTransferredOther1" use="optional" order="2" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_MineralPropertiesAxis" xlink:label="MineralPropertiesAxis" xlink:title="MineralPropertiesAxis"/>
    <link:label xlink:type="resource" xlink:label="label_efr_MineralPropertiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_MineralPropertiesAxis" xml:lang="en-US" id="label_efr_MineralPropertiesAxis_en-US">Mineral Properties [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MineralPropertiesAxis" xlink:to="label_efr_MineralPropertiesAxis" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_MineralPropertiesAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_MineralPropertiesAxis" xml:lang="en-US" id="documentation_efr_MineralPropertiesAxis_en-US">Mineral Properties</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_MineralPropertiesDomain" xlink:label="MineralPropertiesDomain" xlink:title="MineralPropertiesDomain"/>
    <link:label xlink:type="resource" xlink:label="label_efr_MineralPropertiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_MineralPropertiesDomain" xml:lang="en-US" id="label_efr_MineralPropertiesDomain_en-US">Mineral Properties [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MineralPropertiesDomain" xlink:to="label_efr_MineralPropertiesDomain" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_MineralPropertiesDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_MineralPropertiesDomain" xml:lang="en-US" id="documentation_efr_MineralPropertiesDomain_en-US">Mineral Properties</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_WmmAssetGroupMember" xlink:label="WmmAssetGroupMember" xlink:title="WmmAssetGroupMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_WmmAssetGroupMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_WmmAssetGroupMember" xml:lang="en-US" id="label_efr_WmmAssetGroupMember_en-US">WMM asset group [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WmmAssetGroupMember" xlink:to="label_efr_WmmAssetGroupMember" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_WmmAssetGroupMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_WmmAssetGroupMember" xml:lang="en-US" id="documentation_efr_WmmAssetGroupMember_en-US">WMM asset group</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_ConventionalUraniumRecoverySegmentMember" xlink:label="ConventionalUraniumRecoverySegmentMember" xlink:title="ConventionalUraniumRecoverySegmentMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_ConventionalUraniumRecoverySegmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_ConventionalUraniumRecoverySegmentMember" xml:lang="en-US" id="label_efr_ConventionalUraniumRecoverySegmentMember_en-US">Conventional Uranium Recovery Segment [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConventionalUraniumRecoverySegmentMember" xlink:to="label_efr_ConventionalUraniumRecoverySegmentMember" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_ConventionalUraniumRecoverySegmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_ConventionalUraniumRecoverySegmentMember" xml:lang="en-US" id="documentation_efr_ConventionalUraniumRecoverySegmentMember_en-US">Conventional Uranium Recovery Segment</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_HeldForSaleMember" xlink:label="HeldForSaleMember" xlink:title="HeldForSaleMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_HeldForSaleMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_HeldForSaleMember" xml:lang="en-US" id="label_efr_HeldForSaleMember_en-US">Held for Sale [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="HeldForSaleMember" xlink:to="label_efr_HeldForSaleMember" use="optional" order="4" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_HeldForSaleMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_HeldForSaleMember" xml:lang="en-US" id="documentation_efr_HeldForSaleMember_en-US">Held for Sale</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_AbandonedMember" xlink:label="AbandonedMember" xlink:title="AbandonedMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_AbandonedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_AbandonedMember" xml:lang="en-US" id="label_efr_AbandonedMember_en-US">Abandoned [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AbandonedMember" xlink:to="label_efr_AbandonedMember" use="optional" order="5" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_AbandonedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_AbandonedMember" xml:lang="en-US" id="documentation_efr_AbandonedMember_en-US">Abandoned</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_Goodwill" xlink:label="Goodwill" xlink:title="Goodwill"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_Goodwill" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_Goodwill" xml:lang="en-US" id="verboseLabel_us-gaap_Goodwill_en-US">Goodwill</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Goodwill" xlink:to="label_us-gaap_Goodwill" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_UraniumSpotMarketPricesFell" xlink:label="UraniumSpotMarketPricesFell" xlink:title="UraniumSpotMarketPricesFell"/>
    <link:label xlink:type="resource" xlink:label="label_efr_UraniumSpotMarketPricesFell" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_UraniumSpotMarketPricesFell" xml:lang="en-US" id="verboseLabel_efr_UraniumSpotMarketPricesFell_en-US">Uranium Spot Market Prices Fell</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UraniumSpotMarketPricesFell" xlink:to="label_efr_UraniumSpotMarketPricesFell" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_UraniumSpotMarketPricesFell" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_UraniumSpotMarketPricesFell" xml:lang="en-US" id="documentation_efr_UraniumSpotMarketPricesFell_en-US">Uranium Spot Market Prices Fell</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ImpairmentOfOilAndGasProperties" xlink:label="ImpairmentOfOilAndGasProperties" xlink:title="ImpairmentOfOilAndGasProperties"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ImpairmentOfOilAndGasProperties" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_ImpairmentOfOilAndGasProperties" xml:lang="en-US" id="verboseLabel_us-gaap_ImpairmentOfOilAndGasProperties_en-US">Impairment of Oil and Gas Properties</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ImpairmentOfOilAndGasProperties" xlink:to="label_us-gaap_ImpairmentOfOilAndGasProperties" use="optional" order="3" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_MineralInterestSoldCarryingAmount" xlink:label="MineralInterestSoldCarryingAmount" xlink:title="MineralInterestSoldCarryingAmount"/>
    <link:label xlink:type="resource" xlink:label="label_efr_MineralInterestSoldCarryingAmount" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_MineralInterestSoldCarryingAmount" xml:lang="en-US" id="verboseLabel_efr_MineralInterestSoldCarryingAmount_en-US">Mineral Interest Sold Carrying Amount</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MineralInterestSoldCarryingAmount" xlink:to="label_efr_MineralInterestSoldCarryingAmount" use="optional" order="4" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_MineralInterestSoldCarryingAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_MineralInterestSoldCarryingAmount" xml:lang="en-US" id="documentation_efr_MineralInterestSoldCarryingAmount_en-US">Mineral Interest Sold Carrying Amount</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_ProceedsFromSaleOfMineralInterests" xlink:label="ProceedsFromSaleOfMineralInterests" xlink:title="ProceedsFromSaleOfMineralInterests"/>
    <link:label xlink:type="resource" xlink:label="label_efr_ProceedsFromSaleOfMineralInterests" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_ProceedsFromSaleOfMineralInterests" xml:lang="en-US" id="verboseLabel_efr_ProceedsFromSaleOfMineralInterests_en-US">Proceeds from Sale of Mineral Interests</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromSaleOfMineralInterests" xlink:to="label_efr_ProceedsFromSaleOfMineralInterests" use="optional" order="5" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_ProceedsFromSaleOfMineralInterests" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_ProceedsFromSaleOfMineralInterests" xml:lang="en-US" id="documentation_efr_ProceedsFromSaleOfMineralInterests_en-US">Proceeds from Sale of Mineral Interests</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_ImpairmentOfPropertiesAbandonedWithinISRSegment" xlink:label="ImpairmentOfPropertiesAbandonedWithinISRSegment" xlink:title="ImpairmentOfPropertiesAbandonedWithinISRSegment"/>
    <link:label xlink:type="resource" xlink:label="label_efr_ImpairmentOfPropertiesAbandonedWithinISRSegment" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_ImpairmentOfPropertiesAbandonedWithinISRSegment" xml:lang="en-US" id="verboseLabel_efr_ImpairmentOfPropertiesAbandonedWithinISRSegment_en-US">Impairment of Properties Abandoned Within ISR Segment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ImpairmentOfPropertiesAbandonedWithinISRSegment" xlink:to="label_efr_ImpairmentOfPropertiesAbandonedWithinISRSegment" use="optional" order="6" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_ImpairmentOfPropertiesAbandonedWithinISRSegment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_ImpairmentOfPropertiesAbandonedWithinISRSegment" xml:lang="en-US" id="documentation_efr_ImpairmentOfPropertiesAbandonedWithinISRSegment_en-US">Impairment of Properties Abandoned Within ISR Segment</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_ImpairmentOfPropertiesAbandonedButNotImpairedInTwoZeroOneFour" xlink:label="ImpairmentOfPropertiesAbandonedButNotImpairedInTwoZeroOneFour" xlink:title="ImpairmentOfPropertiesAbandonedButNotImpairedInTwoZeroOneFour"/>
    <link:label xlink:type="resource" xlink:label="label_efr_ImpairmentOfPropertiesAbandonedButNotImpairedInTwoZeroOneFour" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_ImpairmentOfPropertiesAbandonedButNotImpairedInTwoZeroOneFour" xml:lang="en-US" id="verboseLabel_efr_ImpairmentOfPropertiesAbandonedButNotImpairedInTwoZeroOneFour_en-US">Impairment of Properties Abandoned but Not Impaired in 2014</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ImpairmentOfPropertiesAbandonedButNotImpairedInTwoZeroOneFour" xlink:to="label_efr_ImpairmentOfPropertiesAbandonedButNotImpairedInTwoZeroOneFour" use="optional" order="7" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_ImpairmentOfPropertiesAbandonedButNotImpairedInTwoZeroOneFour" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_ImpairmentOfPropertiesAbandonedButNotImpairedInTwoZeroOneFour" xml:lang="en-US" id="documentation_efr_ImpairmentOfPropertiesAbandonedButNotImpairedInTwoZeroOneFour_en-US">Impairment of Properties Abandoned but Not Impaired in 2014</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_ReclassifiedConventionalUraniumRecoverySegmentToAssetsHeldForSale" xlink:label="ReclassifiedConventionalUraniumRecoverySegmentToAssetsHeldForSale" xlink:title="ReclassifiedConventionalUraniumRecoverySegmentToAssetsHeldForSale"/>
    <link:label xlink:type="resource" xlink:label="label_efr_ReclassifiedConventionalUraniumRecoverySegmentToAssetsHeldForSale" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_ReclassifiedConventionalUraniumRecoverySegmentToAssetsHeldForSale" xml:lang="en-US" id="verboseLabel_efr_ReclassifiedConventionalUraniumRecoverySegmentToAssetsHeldForSale_en-US">Reclassified Conventional Uranium Recovery Segment to Assets Held For Sale</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ReclassifiedConventionalUraniumRecoverySegmentToAssetsHeldForSale" xlink:to="label_efr_ReclassifiedConventionalUraniumRecoverySegmentToAssetsHeldForSale" use="optional" order="8" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_ReclassifiedConventionalUraniumRecoverySegmentToAssetsHeldForSale" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_ReclassifiedConventionalUraniumRecoverySegmentToAssetsHeldForSale" xml:lang="en-US" id="documentation_efr_ReclassifiedConventionalUraniumRecoverySegmentToAssetsHeldForSale_en-US">Reclassified Conventional Uranium Recovery Segment to Assets Held For Sale</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_ImpairmentBasedEstimateOfFairValue" xlink:label="ImpairmentBasedEstimateOfFairValue" xlink:title="ImpairmentBasedEstimateOfFairValue"/>
    <link:label xlink:type="resource" xlink:label="label_efr_ImpairmentBasedEstimateOfFairValue" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_ImpairmentBasedEstimateOfFairValue" xml:lang="en-US" id="verboseLabel_efr_ImpairmentBasedEstimateOfFairValue_en-US">Impairment Based Estimate of Fair Value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ImpairmentBasedEstimateOfFairValue" xlink:to="label_efr_ImpairmentBasedEstimateOfFairValue" use="optional" order="9" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_ImpairmentBasedEstimateOfFairValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_ImpairmentBasedEstimateOfFairValue" xml:lang="en-US" id="documentation_efr_ImpairmentBasedEstimateOfFairValue_en-US">Impairment Based Estimate of Fair Value</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_AssetRetirementObligationAxis" xlink:label="AssetRetirementObligationAxis" xlink:title="AssetRetirementObligationAxis"/>
    <link:label xlink:type="resource" xlink:label="label_efr_AssetRetirementObligationAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_AssetRetirementObligationAxis" xml:lang="en-US" id="label_efr_AssetRetirementObligationAxis_en-US">Asset Retirement Obligation [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetRetirementObligationAxis" xlink:to="label_efr_AssetRetirementObligationAxis" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_AssetRetirementObligationAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_AssetRetirementObligationAxis" xml:lang="en-US" id="documentation_efr_AssetRetirementObligationAxis_en-US">Asset Retirement Obligation</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_AssetRetirementObligationDomain" xlink:label="AssetRetirementObligationDomain" xlink:title="AssetRetirementObligationDomain"/>
    <link:label xlink:type="resource" xlink:label="label_efr_AssetRetirementObligationDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_AssetRetirementObligationDomain" xml:lang="en-US" id="label_efr_AssetRetirementObligationDomain_en-US">Asset Retirement Obligation [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetRetirementObligationDomain" xlink:to="label_efr_AssetRetirementObligationDomain" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_AssetRetirementObligationDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_AssetRetirementObligationDomain" xml:lang="en-US" id="documentation_efr_AssetRetirementObligationDomain_en-US">Asset Retirement Obligation</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_TwoZeroOneSixToTwoZeroTwoZeroMember" xlink:label="TwoZeroOneSixToTwoZeroTwoZeroMember" xlink:title="TwoZeroOneSixToTwoZeroTwoZeroMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_TwoZeroOneSixToTwoZeroTwoZeroMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_TwoZeroOneSixToTwoZeroTwoZeroMember" xml:lang="en-US" id="verboseLabel_efr_TwoZeroOneSixToTwoZeroTwoZeroMember_en-US">2016 to 2020 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TwoZeroOneSixToTwoZeroTwoZeroMember" xlink:to="label_efr_TwoZeroOneSixToTwoZeroTwoZeroMember" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_TwoZeroOneSixToTwoZeroTwoZeroMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_TwoZeroOneSixToTwoZeroTwoZeroMember" xml:lang="en-US" id="documentation_efr_TwoZeroOneSixToTwoZeroTwoZeroMember_en-US">2016 to 2020</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_TwoZeroTwoOneToTwoZeroTwoFiveMember" xlink:label="TwoZeroTwoOneToTwoZeroTwoFiveMember" xlink:title="TwoZeroTwoOneToTwoZeroTwoFiveMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_TwoZeroTwoOneToTwoZeroTwoFiveMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_TwoZeroTwoOneToTwoZeroTwoFiveMember" xml:lang="en-US" id="verboseLabel_efr_TwoZeroTwoOneToTwoZeroTwoFiveMember_en-US">2021 to 2025 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TwoZeroTwoOneToTwoZeroTwoFiveMember" xlink:to="label_efr_TwoZeroTwoOneToTwoZeroTwoFiveMember" use="optional" order="3" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_TwoZeroTwoOneToTwoZeroTwoFiveMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_TwoZeroTwoOneToTwoZeroTwoFiveMember" xml:lang="en-US" id="documentation_efr_TwoZeroTwoOneToTwoZeroTwoFiveMember_en-US">2021 to 2025</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_TwoZeroTwoSixToTwoZeroThreeZeroMember" xlink:label="TwoZeroTwoSixToTwoZeroThreeZeroMember" xlink:title="TwoZeroTwoSixToTwoZeroThreeZeroMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_TwoZeroTwoSixToTwoZeroThreeZeroMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_TwoZeroTwoSixToTwoZeroThreeZeroMember" xml:lang="en-US" id="verboseLabel_efr_TwoZeroTwoSixToTwoZeroThreeZeroMember_en-US">2026 to 2030 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TwoZeroTwoSixToTwoZeroThreeZeroMember" xlink:to="label_efr_TwoZeroTwoSixToTwoZeroThreeZeroMember" use="optional" order="4" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_TwoZeroTwoSixToTwoZeroThreeZeroMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_TwoZeroTwoSixToTwoZeroThreeZeroMember" xml:lang="en-US" id="documentation_efr_TwoZeroTwoSixToTwoZeroThreeZeroMember_en-US">2026 to 2030</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_TwoZeroThreeOneToTwoZeroThreeFiveMember" xlink:label="TwoZeroThreeOneToTwoZeroThreeFiveMember" xlink:title="TwoZeroThreeOneToTwoZeroThreeFiveMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_TwoZeroThreeOneToTwoZeroThreeFiveMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_TwoZeroThreeOneToTwoZeroThreeFiveMember" xml:lang="en-US" id="verboseLabel_efr_TwoZeroThreeOneToTwoZeroThreeFiveMember_en-US">2031 to 2035 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TwoZeroThreeOneToTwoZeroThreeFiveMember" xlink:to="label_efr_TwoZeroThreeOneToTwoZeroThreeFiveMember" use="optional" order="5" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_TwoZeroThreeOneToTwoZeroThreeFiveMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_TwoZeroThreeOneToTwoZeroThreeFiveMember" xml:lang="en-US" id="documentation_efr_TwoZeroThreeOneToTwoZeroThreeFiveMember_en-US">2031 to 2035</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_TwoZeroThreeSixToTwoZeroThreeEightMember" xlink:label="TwoZeroThreeSixToTwoZeroThreeEightMember" xlink:title="TwoZeroThreeSixToTwoZeroThreeEightMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_TwoZeroThreeSixToTwoZeroThreeEightMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_TwoZeroThreeSixToTwoZeroThreeEightMember" xml:lang="en-US" id="verboseLabel_efr_TwoZeroThreeSixToTwoZeroThreeEightMember_en-US">2036 to 2038 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TwoZeroThreeSixToTwoZeroThreeEightMember" xlink:to="label_efr_TwoZeroThreeSixToTwoZeroThreeEightMember" use="optional" order="6" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_TwoZeroThreeSixToTwoZeroThreeEightMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_TwoZeroThreeSixToTwoZeroThreeEightMember" xml:lang="en-US" id="documentation_efr_TwoZeroThreeSixToTwoZeroThreeEightMember_en-US">2036 to 2038</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueAssumptionsRiskFreeInterestRate" xlink:label="FairValueAssumptionsRiskFreeInterestRate" xlink:title="FairValueAssumptionsRiskFreeInterestRate"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_FairValueAssumptionsRiskFreeInterestRate" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_FairValueAssumptionsRiskFreeInterestRate" xml:lang="en-US" id="verboseLabel_us-gaap_FairValueAssumptionsRiskFreeInterestRate_en-US">Fair Value Assumptions, Risk Free Interest Rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueAssumptionsRiskFreeInterestRate" xlink:to="label_us-gaap_FairValueAssumptionsRiskFreeInterestRate" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_InflationRate" xlink:label="InflationRate" xlink:title="InflationRate"/>
    <link:label xlink:type="resource" xlink:label="label_efr_InflationRate" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_InflationRate" xml:lang="en-US" id="verboseLabel_efr_InflationRate_en-US">Inflation rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InflationRate" xlink:to="label_efr_InflationRate" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_InflationRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_InflationRate" xml:lang="en-US" id="documentation_efr_InflationRate_en-US">Inflation rate</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_UndiscountedDecommissioningLiability" xlink:label="UndiscountedDecommissioningLiability" xlink:title="UndiscountedDecommissioningLiability"/>
    <link:label xlink:type="resource" xlink:label="label_efr_UndiscountedDecommissioningLiability" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_UndiscountedDecommissioningLiability" xml:lang="en-US" id="verboseLabel_efr_UndiscountedDecommissioningLiability_en-US">Undiscounted Decommissioning Liability</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UndiscountedDecommissioningLiability" xlink:to="label_efr_UndiscountedDecommissioningLiability" use="optional" order="3" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_UndiscountedDecommissioningLiability" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_UndiscountedDecommissioningLiability" xml:lang="en-US" id="documentation_efr_UndiscountedDecommissioningLiability_en-US">Undiscounted Decommissioning Liability</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_MineReclamationAndClosingLiabilityNoncurrent" xlink:label="MineReclamationAndClosingLiabilityNoncurrent" xlink:title="MineReclamationAndClosingLiabilityNoncurrent"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_MineReclamationAndClosingLiabilityNoncurrent" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_MineReclamationAndClosingLiabilityNoncurrent" xml:lang="en-US" id="verboseLabel_us-gaap_MineReclamationAndClosingLiabilityNoncurrent_en-US">Mine Reclamation and Closing Liability, Noncurrent</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MineReclamationAndClosingLiabilityNoncurrent" xlink:to="label_us-gaap_MineReclamationAndClosingLiabilityNoncurrent" use="optional" order="4" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_NetRefundsAndReturns" xlink:label="NetRefundsAndReturns" xlink:title="NetRefundsAndReturns"/>
    <link:label xlink:type="resource" xlink:label="label_efr_NetRefundsAndReturns" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_NetRefundsAndReturns" xml:lang="en-US" id="verboseLabel_efr_NetRefundsAndReturns_en-US">Net Refunds and Returns</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetRefundsAndReturns" xlink:to="label_efr_NetRefundsAndReturns" use="optional" order="5" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_NetRefundsAndReturns" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_NetRefundsAndReturns" xml:lang="en-US" id="documentation_efr_NetRefundsAndReturns_en-US">Net Refunds and Returns</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="LongtermDebtTypeAxis" xlink:title="LongtermDebtTypeAxis"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_LongtermDebtTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_LongtermDebtTypeAxis" xml:lang="en-US" id="label_us-gaap_LongtermDebtTypeAxis_en-US">Long-term Debt, Type [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LongtermDebtTypeAxis" xlink:to="label_us-gaap_LongtermDebtTypeAxis" use="optional" order="2" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="LongtermDebtTypeDomain" xlink:title="LongtermDebtTypeDomain"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_LongtermDebtTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_LongtermDebtTypeDomain" xml:lang="en-US" id="label_us-gaap_LongtermDebtTypeDomain_en-US">Long-term Debt, Type [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LongtermDebtTypeDomain" xlink:to="label_us-gaap_LongtermDebtTypeDomain" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_RepayableOnFebruaryOneThreeTwoZeroOneSixMember" xlink:label="RepayableOnFebruaryOneThreeTwoZeroOneSixMember" xlink:title="RepayableOnFebruaryOneThreeTwoZeroOneSixMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_RepayableOnFebruaryOneThreeTwoZeroOneSixMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_RepayableOnFebruaryOneThreeTwoZeroOneSixMember" xml:lang="en-US" id="verboseLabel_efr_RepayableOnFebruaryOneThreeTwoZeroOneSixMember_en-US">Repayable on February 13, 2016 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RepayableOnFebruaryOneThreeTwoZeroOneSixMember" xlink:to="label_efr_RepayableOnFebruaryOneThreeTwoZeroOneSixMember" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_RepayableOnFebruaryOneThreeTwoZeroOneSixMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_RepayableOnFebruaryOneThreeTwoZeroOneSixMember" xml:lang="en-US" id="documentation_efr_RepayableOnFebruaryOneThreeTwoZeroOneSixMember_en-US">Repayable on February 13, 2016</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_RepayableOnFebruaryOneThreeTwoZeroOneSevenMember" xlink:label="RepayableOnFebruaryOneThreeTwoZeroOneSevenMember" xlink:title="RepayableOnFebruaryOneThreeTwoZeroOneSevenMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_RepayableOnFebruaryOneThreeTwoZeroOneSevenMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_RepayableOnFebruaryOneThreeTwoZeroOneSevenMember" xml:lang="en-US" id="verboseLabel_efr_RepayableOnFebruaryOneThreeTwoZeroOneSevenMember_en-US">Repayable on February 13, 2017 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RepayableOnFebruaryOneThreeTwoZeroOneSevenMember" xlink:to="label_efr_RepayableOnFebruaryOneThreeTwoZeroOneSevenMember" use="optional" order="3" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_RepayableOnFebruaryOneThreeTwoZeroOneSevenMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_RepayableOnFebruaryOneThreeTwoZeroOneSevenMember" xml:lang="en-US" id="documentation_efr_RepayableOnFebruaryOneThreeTwoZeroOneSevenMember_en-US">Repayable on February 13, 2017</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_PublicOfferingOfFloatingRateConvertibleUnsecuredSubordinatedDebentures" xlink:label="PublicOfferingOfFloatingRateConvertibleUnsecuredSubordinatedDebentures" xlink:title="PublicOfferingOfFloatingRateConvertibleUnsecuredSubordinatedDebentures"/>
    <link:label xlink:type="resource" xlink:label="label_efr_PublicOfferingOfFloatingRateConvertibleUnsecuredSubordinatedDebentures" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_PublicOfferingOfFloatingRateConvertibleUnsecuredSubordinatedDebentures" xml:lang="en-US" id="verboseLabel_efr_PublicOfferingOfFloatingRateConvertibleUnsecuredSubordinatedDebentures_en-US">Public Offering of Floating-Rate Convertible Unsecured Subordinated Debentures</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PublicOfferingOfFloatingRateConvertibleUnsecuredSubordinatedDebentures" xlink:to="label_efr_PublicOfferingOfFloatingRateConvertibleUnsecuredSubordinatedDebentures" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_PublicOfferingOfFloatingRateConvertibleUnsecuredSubordinatedDebentures" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_PublicOfferingOfFloatingRateConvertibleUnsecuredSubordinatedDebentures" xml:lang="en-US" id="documentation_efr_PublicOfferingOfFloatingRateConvertibleUnsecuredSubordinatedDebentures_en-US">Public Offering of Floating-Rate Convertible Unsecured Subordinated Debentures</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_PricePerDebentureIssuance" xlink:label="PricePerDebentureIssuance" xlink:title="PricePerDebentureIssuance"/>
    <link:label xlink:type="resource" xlink:label="label_efr_PricePerDebentureIssuance" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_PricePerDebentureIssuance" xml:lang="en-US" id="verboseLabel_efr_PricePerDebentureIssuance_en-US">Price per Debenture Issuance</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PricePerDebentureIssuance" xlink:to="label_efr_PricePerDebentureIssuance" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_PricePerDebentureIssuance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_PricePerDebentureIssuance" xml:lang="en-US" id="documentation_efr_PricePerDebentureIssuance_en-US">Price per Debenture Issuance</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ProceedsFromIssuanceOfDebt" xlink:label="ProceedsFromIssuanceOfDebt" xlink:title="ProceedsFromIssuanceOfDebt"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ProceedsFromIssuanceOfDebt" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_ProceedsFromIssuanceOfDebt" xml:lang="en-US" id="verboseLabel_us-gaap_ProceedsFromIssuanceOfDebt_en-US">Proceeds from Issuance of Debt</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProceedsFromIssuanceOfDebt" xlink:to="label_us-gaap_ProceedsFromIssuanceOfDebt" use="optional" order="3" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_ConversionPricePerShare" xlink:label="ConversionPricePerShare" xlink:title="ConversionPricePerShare"/>
    <link:label xlink:type="resource" xlink:label="label_efr_ConversionPricePerShare" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_ConversionPricePerShare" xml:lang="en-US" id="verboseLabel_efr_ConversionPricePerShare_en-US">Conversion Price Per Share</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConversionPricePerShare" xlink:to="label_efr_ConversionPricePerShare" use="optional" order="4" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_ConversionPricePerShare" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_ConversionPricePerShare" xml:lang="en-US" id="documentation_efr_ConversionPricePerShare_en-US">Conversion Price Per Share</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="DebtInstrumentInterestRateStatedPercentage" xlink:title="DebtInstrumentInterestRateStatedPercentage"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_DebtInstrumentInterestRateStatedPercentage" xml:lang="en-US" id="terseLabel_us-gaap_DebtInstrumentInterestRateStatedPercentage_en-US">Debt Instrument, Interest Rate, Stated Percentage</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentInterestRateStatedPercentage" xlink:to="label_us-gaap_DebtInstrumentInterestRateStatedPercentage" use="optional" order="5" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_ConsecutiveTradingDays" xlink:label="ConsecutiveTradingDays" xlink:title="ConsecutiveTradingDays"/>
    <link:label xlink:type="resource" xlink:label="label_efr_ConsecutiveTradingDays" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_ConsecutiveTradingDays" xml:lang="en-US" id="verboseLabel_efr_ConsecutiveTradingDays_en-US">Consecutive Trading Days</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConsecutiveTradingDays" xlink:to="label_efr_ConsecutiveTradingDays" use="optional" order="6" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_ConsecutiveTradingDays" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_ConsecutiveTradingDays" xml:lang="en-US" id="documentation_efr_ConsecutiveTradingDays_en-US">Consecutive Trading Days</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_AverageTradingPriceIsNotLessThanPercentOfTheConversionPrice" xlink:label="AverageTradingPriceIsNotLessThanPercentOfTheConversionPrice" xlink:title="AverageTradingPriceIsNotLessThanPercentOfTheConversionPrice"/>
    <link:label xlink:type="resource" xlink:label="label_efr_AverageTradingPriceIsNotLessThanPercentOfTheConversionPrice" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_AverageTradingPriceIsNotLessThanPercentOfTheConversionPrice" xml:lang="en-US" id="verboseLabel_efr_AverageTradingPriceIsNotLessThanPercentOfTheConversionPrice_en-US">Average Trading Price is Not Less than Percent of the Conversion Price</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AverageTradingPriceIsNotLessThanPercentOfTheConversionPrice" xlink:to="label_efr_AverageTradingPriceIsNotLessThanPercentOfTheConversionPrice" use="optional" order="7" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_AverageTradingPriceIsNotLessThanPercentOfTheConversionPrice" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_AverageTradingPriceIsNotLessThanPercentOfTheConversionPrice" xml:lang="en-US" id="documentation_efr_AverageTradingPriceIsNotLessThanPercentOfTheConversionPrice_en-US">Average Trading Price is Not Less than Percent of the Conversion Price</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtCurrent" xlink:label="DebtCurrent" xlink:title="DebtCurrent"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DebtCurrent" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_DebtCurrent" xml:lang="en-US" id="verboseLabel_us-gaap_DebtCurrent_en-US">Debt, Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtCurrent" xlink:to="label_us-gaap_DebtCurrent" use="optional" order="8" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_ObligationToRepayDebenture" xlink:label="ObligationToRepayDebenture" xlink:title="ObligationToRepayDebenture"/>
    <link:label xlink:type="resource" xlink:label="label_efr_ObligationToRepayDebenture" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_ObligationToRepayDebenture" xml:lang="en-US" id="verboseLabel_efr_ObligationToRepayDebenture_en-US">Obligation to Repay Debenture</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ObligationToRepayDebenture" xlink:to="label_efr_ObligationToRepayDebenture" use="optional" order="9" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_ObligationToRepayDebenture" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_ObligationToRepayDebenture" xml:lang="en-US" id="documentation_efr_ObligationToRepayDebenture_en-US">Obligation to Repay Debenture</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_VolumeWeightedAverageTradingPriceOfTheCommonShares" xlink:label="VolumeWeightedAverageTradingPriceOfTheCommonShares" xlink:title="VolumeWeightedAverageTradingPriceOfTheCommonShares"/>
    <link:label xlink:type="resource" xlink:label="label_efr_VolumeWeightedAverageTradingPriceOfTheCommonShares" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_VolumeWeightedAverageTradingPriceOfTheCommonShares" xml:lang="en-US" id="verboseLabel_efr_VolumeWeightedAverageTradingPriceOfTheCommonShares_en-US">Volume-Weighted Average Trading Price of the Common Shares</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="VolumeWeightedAverageTradingPriceOfTheCommonShares" xlink:to="label_efr_VolumeWeightedAverageTradingPriceOfTheCommonShares" use="optional" order="10" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_VolumeWeightedAverageTradingPriceOfTheCommonShares" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_VolumeWeightedAverageTradingPriceOfTheCommonShares" xml:lang="en-US" id="documentation_efr_VolumeWeightedAverageTradingPriceOfTheCommonShares_en-US">Volume-Weighted Average Trading Price of the Common Shares</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_LossOnRevaluationOfConvertibleDebentures" xlink:label="LossOnRevaluationOfConvertibleDebentures" xlink:title="LossOnRevaluationOfConvertibleDebentures"/>
    <link:label xlink:type="resource" xlink:label="label_efr_LossOnRevaluationOfConvertibleDebentures" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_LossOnRevaluationOfConvertibleDebentures" xml:lang="en-US" id="verboseLabel_efr_LossOnRevaluationOfConvertibleDebentures_en-US">Loss on Revaluation of Convertible Debentures</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LossOnRevaluationOfConvertibleDebentures" xlink:to="label_efr_LossOnRevaluationOfConvertibleDebentures" use="optional" order="11" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_LossOnRevaluationOfConvertibleDebentures" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_LossOnRevaluationOfConvertibleDebentures" xml:lang="en-US" id="documentation_efr_LossOnRevaluationOfConvertibleDebentures_en-US">Loss on Revaluation of Convertible Debentures</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NotesAndLoansPayable" xlink:label="NotesAndLoansPayable" xlink:title="NotesAndLoansPayable"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NotesAndLoansPayable" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_NotesAndLoansPayable" xml:lang="en-US" id="verboseLabel_us-gaap_NotesAndLoansPayable_en-US">Notes and Loans Payable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NotesAndLoansPayable" xlink:to="label_us-gaap_NotesAndLoansPayable" use="optional" order="12" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:label="EquityMethodInvestmentOwnershipPercentage" xlink:title="EquityMethodInvestmentOwnershipPercentage"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_EquityMethodInvestmentOwnershipPercentage" xml:lang="en-US" id="verboseLabel_us-gaap_EquityMethodInvestmentOwnershipPercentage_en-US">Equity Method Investment, Ownership Percentage</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EquityMethodInvestmentOwnershipPercentage" xlink:to="label_us-gaap_EquityMethodInvestmentOwnershipPercentage" use="optional" order="13" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NotesPayableCurrent" xlink:label="NotesPayableCurrent" xlink:title="NotesPayableCurrent"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NotesPayableCurrent" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_NotesPayableCurrent" xml:lang="en-US" id="verboseLabel_us-gaap_NotesPayableCurrent_en-US">Notes Payable, Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NotesPayableCurrent" xlink:to="label_us-gaap_NotesPayableCurrent" use="optional" order="14" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_EquityTransactionAxis" xlink:label="EquityTransactionAxis" xlink:title="EquityTransactionAxis"/>
    <link:label xlink:type="resource" xlink:label="label_efr_EquityTransactionAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_EquityTransactionAxis" xml:lang="en-US" id="label_efr_EquityTransactionAxis_en-US">Equity Transaction [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EquityTransactionAxis" xlink:to="label_efr_EquityTransactionAxis" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_EquityTransactionAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_EquityTransactionAxis" xml:lang="en-US" id="documentation_efr_EquityTransactionAxis_en-US">Equity Transaction [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_EquityTransactionDomain" xlink:label="EquityTransactionDomain" xlink:title="EquityTransactionDomain"/>
    <link:label xlink:type="resource" xlink:label="label_efr_EquityTransactionDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_EquityTransactionDomain" xml:lang="en-US" id="label_efr_EquityTransactionDomain_en-US">Equity Transaction [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EquityTransactionDomain" xlink:to="label_efr_EquityTransactionDomain" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_EquityTransactionDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_EquityTransactionDomain" xml:lang="en-US" id="documentation_efr_EquityTransactionDomain_en-US">Equity Transaction [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_IssuanceOfOneTwoSevenFiveNineZeroEightSharesMember" xlink:label="IssuanceOfOneTwoSevenFiveNineZeroEightSharesMember" xlink:title="IssuanceOfOneTwoSevenFiveNineZeroEightSharesMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfOneTwoSevenFiveNineZeroEightSharesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_IssuanceOfOneTwoSevenFiveNineZeroEightSharesMember" xml:lang="en-US" id="verboseLabel_efr_IssuanceOfOneTwoSevenFiveNineZeroEightSharesMember_en-US">Issuance of 1,275,908 shares [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfOneTwoSevenFiveNineZeroEightSharesMember" xlink:to="label_efr_IssuanceOfOneTwoSevenFiveNineZeroEightSharesMember" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfOneTwoSevenFiveNineZeroEightSharesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_IssuanceOfOneTwoSevenFiveNineZeroEightSharesMember" xml:lang="en-US" id="documentation_efr_IssuanceOfOneTwoSevenFiveNineZeroEightSharesMember_en-US">Issuance of 1,275,908 shares</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_IssuanceOfTwoFourFourFiveSevenSevenSevenThreeSharesMember" xlink:label="IssuanceOfTwoFourFourFiveSevenSevenSevenThreeSharesMember" xlink:title="IssuanceOfTwoFourFourFiveSevenSevenSevenThreeSharesMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfTwoFourFourFiveSevenSevenSevenThreeSharesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_IssuanceOfTwoFourFourFiveSevenSevenSevenThreeSharesMember" xml:lang="en-US" id="verboseLabel_efr_IssuanceOfTwoFourFourFiveSevenSevenSevenThreeSharesMember_en-US">Issuance of 24,457,773 shares [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfTwoFourFourFiveSevenSevenSevenThreeSharesMember" xlink:to="label_efr_IssuanceOfTwoFourFourFiveSevenSevenSevenThreeSharesMember" use="optional" order="3" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfTwoFourFourFiveSevenSevenSevenThreeSharesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_IssuanceOfTwoFourFourFiveSevenSevenSevenThreeSharesMember" xml:lang="en-US" id="documentation_efr_IssuanceOfTwoFourFourFiveSevenSevenSevenThreeSharesMember_en-US">Issuance of 24,457,773 shares</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_IssuanceOfSixOneSevenEightThreeTwoEfiCommonSharesMember" xlink:label="IssuanceOfSixOneSevenEightThreeTwoEfiCommonSharesMember" xlink:title="IssuanceOfSixOneSevenEightThreeTwoEfiCommonSharesMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfSixOneSevenEightThreeTwoEfiCommonSharesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_IssuanceOfSixOneSevenEightThreeTwoEfiCommonSharesMember" xml:lang="en-US" id="verboseLabel_efr_IssuanceOfSixOneSevenEightThreeTwoEfiCommonSharesMember_en-US">Issuance of 617,832 EFI common shares [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfSixOneSevenEightThreeTwoEfiCommonSharesMember" xlink:to="label_efr_IssuanceOfSixOneSevenEightThreeTwoEfiCommonSharesMember" use="optional" order="4" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfSixOneSevenEightThreeTwoEfiCommonSharesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_IssuanceOfSixOneSevenEightThreeTwoEfiCommonSharesMember" xml:lang="en-US" id="documentation_efr_IssuanceOfSixOneSevenEightThreeTwoEfiCommonSharesMember_en-US">Issuance of 617,832 EFI common shares</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_IssuanceOfTwoSevenOneSixZeroFourEfiCommonSharesMember" xlink:label="IssuanceOfTwoSevenOneSixZeroFourEfiCommonSharesMember" xlink:title="IssuanceOfTwoSevenOneSixZeroFourEfiCommonSharesMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfTwoSevenOneSixZeroFourEfiCommonSharesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_IssuanceOfTwoSevenOneSixZeroFourEfiCommonSharesMember" xml:lang="en-US" id="verboseLabel_efr_IssuanceOfTwoSevenOneSixZeroFourEfiCommonSharesMember_en-US">Issuance of 271,604 EFI common shares [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfTwoSevenOneSixZeroFourEfiCommonSharesMember" xlink:to="label_efr_IssuanceOfTwoSevenOneSixZeroFourEfiCommonSharesMember" use="optional" order="5" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfTwoSevenOneSixZeroFourEfiCommonSharesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_IssuanceOfTwoSevenOneSixZeroFourEfiCommonSharesMember" xml:lang="en-US" id="documentation_efr_IssuanceOfTwoSevenOneSixZeroFourEfiCommonSharesMember_en-US">Issuance of 271,604 EFI common shares</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_OfferingOfSixTwoFiveZeroZeroZeroSharesMember" xlink:label="OfferingOfSixTwoFiveZeroZeroZeroSharesMember" xlink:title="OfferingOfSixTwoFiveZeroZeroZeroSharesMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_OfferingOfSixTwoFiveZeroZeroZeroSharesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_OfferingOfSixTwoFiveZeroZeroZeroSharesMember" xml:lang="en-US" id="verboseLabel_efr_OfferingOfSixTwoFiveZeroZeroZeroSharesMember_en-US">Offering of 625,000 shares [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OfferingOfSixTwoFiveZeroZeroZeroSharesMember" xlink:to="label_efr_OfferingOfSixTwoFiveZeroZeroZeroSharesMember" use="optional" order="6" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_OfferingOfSixTwoFiveZeroZeroZeroSharesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_OfferingOfSixTwoFiveZeroZeroZeroSharesMember" xml:lang="en-US" id="documentation_efr_OfferingOfSixTwoFiveZeroZeroZeroSharesMember_en-US">Offering of 625,000 shares</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_IssuanceOfThreeSixSixFiveThreeNineFiveSharesForAcquisitionOfStrathmoreMineralsCorporationMember" xlink:label="IssuanceOfThreeSixSixFiveThreeNineFiveSharesForAcquisitionOfStrathmoreMineralsCorporationMember" xlink:title="IssuanceOfThreeSixSixFiveThreeNineFiveSharesForAcquisitionOfStrathmoreMineralsCorporationMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfThreeSixSixFiveThreeNineFiveSharesForAcquisitionOfStrathmoreMineralsCorporationMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_IssuanceOfThreeSixSixFiveThreeNineFiveSharesForAcquisitionOfStrathmoreMineralsCorporationMember" xml:lang="en-US" id="verboseLabel_efr_IssuanceOfThreeSixSixFiveThreeNineFiveSharesForAcquisitionOfStrathmoreMineralsCorporationMember_en-US">Issuance of 3,665,395 shares for acquisition of Strathmore Minerals Corporation [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfThreeSixSixFiveThreeNineFiveSharesForAcquisitionOfStrathmoreMineralsCorporationMember" xlink:to="label_efr_IssuanceOfThreeSixSixFiveThreeNineFiveSharesForAcquisitionOfStrathmoreMineralsCorporationMember" use="optional" order="7" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfThreeSixSixFiveThreeNineFiveSharesForAcquisitionOfStrathmoreMineralsCorporationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_IssuanceOfThreeSixSixFiveThreeNineFiveSharesForAcquisitionOfStrathmoreMineralsCorporationMember" xml:lang="en-US" id="documentation_efr_IssuanceOfThreeSixSixFiveThreeNineFiveSharesForAcquisitionOfStrathmoreMineralsCorporationMember_en-US">Issuance of 3,665,395 shares for acquisition of Strathmore Minerals Corporation</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_IssuanceOfSixThreeZeroTwoFourEfiCommonSharesMember" xlink:label="IssuanceOfSixThreeZeroTwoFourEfiCommonSharesMember" xlink:title="IssuanceOfSixThreeZeroTwoFourEfiCommonSharesMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfSixThreeZeroTwoFourEfiCommonSharesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_IssuanceOfSixThreeZeroTwoFourEfiCommonSharesMember" xml:lang="en-US" id="verboseLabel_efr_IssuanceOfSixThreeZeroTwoFourEfiCommonSharesMember_en-US">Issuance of 63,024 EFI common shares [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfSixThreeZeroTwoFourEfiCommonSharesMember" xlink:to="label_efr_IssuanceOfSixThreeZeroTwoFourEfiCommonSharesMember" use="optional" order="8" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfSixThreeZeroTwoFourEfiCommonSharesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_IssuanceOfSixThreeZeroTwoFourEfiCommonSharesMember" xml:lang="en-US" id="documentation_efr_IssuanceOfSixThreeZeroTwoFourEfiCommonSharesMember_en-US">Issuance of 63,024 EFI common shares</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_IssuanceOfFiveFiveZeroNineFiveEfiCommonSharesMember" xlink:label="IssuanceOfFiveFiveZeroNineFiveEfiCommonSharesMember" xlink:title="IssuanceOfFiveFiveZeroNineFiveEfiCommonSharesMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfFiveFiveZeroNineFiveEfiCommonSharesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_IssuanceOfFiveFiveZeroNineFiveEfiCommonSharesMember" xml:lang="en-US" id="verboseLabel_efr_IssuanceOfFiveFiveZeroNineFiveEfiCommonSharesMember_en-US">Issuance of 55,095 EFI common shares [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfFiveFiveZeroNineFiveEfiCommonSharesMember" xlink:to="label_efr_IssuanceOfFiveFiveZeroNineFiveEfiCommonSharesMember" use="optional" order="9" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfFiveFiveZeroNineFiveEfiCommonSharesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_IssuanceOfFiveFiveZeroNineFiveEfiCommonSharesMember" xml:lang="en-US" id="documentation_efr_IssuanceOfFiveFiveZeroNineFiveEfiCommonSharesMember_en-US">Issuance of 55,095 EFI common shares</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_IssuanceOfOneZeroSevenSixFourFiveSharesMember" xlink:label="IssuanceOfOneZeroSevenSixFourFiveSharesMember" xlink:title="IssuanceOfOneZeroSevenSixFourFiveSharesMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfOneZeroSevenSixFourFiveSharesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_IssuanceOfOneZeroSevenSixFourFiveSharesMember" xml:lang="en-US" id="verboseLabel_efr_IssuanceOfOneZeroSevenSixFourFiveSharesMember_en-US">Issuance of 107,645 shares [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfOneZeroSevenSixFourFiveSharesMember" xlink:to="label_efr_IssuanceOfOneZeroSevenSixFourFiveSharesMember" use="optional" order="10" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfOneZeroSevenSixFourFiveSharesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_IssuanceOfOneZeroSevenSixFourFiveSharesMember" xml:lang="en-US" id="documentation_efr_IssuanceOfOneZeroSevenSixFourFiveSharesMember_en-US">Issuance of 107,645 shares</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_EquityPrivatePlacementOfNineFourSevenSixOneSixSubscriptionReceiptsMember" xlink:label="EquityPrivatePlacementOfNineFourSevenSixOneSixSubscriptionReceiptsMember" xlink:title="EquityPrivatePlacementOfNineFourSevenSixOneSixSubscriptionReceiptsMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_EquityPrivatePlacementOfNineFourSevenSixOneSixSubscriptionReceiptsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_EquityPrivatePlacementOfNineFourSevenSixOneSixSubscriptionReceiptsMember" xml:lang="en-US" id="verboseLabel_efr_EquityPrivatePlacementOfNineFourSevenSixOneSixSubscriptionReceiptsMember_en-US">Equity private placement of 947,616 subscription receipts [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EquityPrivatePlacementOfNineFourSevenSixOneSixSubscriptionReceiptsMember" xlink:to="label_efr_EquityPrivatePlacementOfNineFourSevenSixOneSixSubscriptionReceiptsMember" use="optional" order="11" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_EquityPrivatePlacementOfNineFourSevenSixOneSixSubscriptionReceiptsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_EquityPrivatePlacementOfNineFourSevenSixOneSixSubscriptionReceiptsMember" xml:lang="en-US" id="documentation_efr_EquityPrivatePlacementOfNineFourSevenSixOneSixSubscriptionReceiptsMember_en-US">Equity private placement of 947,616 subscription receipts</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_IssuanceOfFourThreeSevenZeroTwoEightCommonSharesMember" xlink:label="IssuanceOfFourThreeSevenZeroTwoEightCommonSharesMember" xlink:title="IssuanceOfFourThreeSevenZeroTwoEightCommonSharesMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfFourThreeSevenZeroTwoEightCommonSharesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_IssuanceOfFourThreeSevenZeroTwoEightCommonSharesMember" xml:lang="en-US" id="verboseLabel_efr_IssuanceOfFourThreeSevenZeroTwoEightCommonSharesMember_en-US">Issuance of 437,028 common shares [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfFourThreeSevenZeroTwoEightCommonSharesMember" xlink:to="label_efr_IssuanceOfFourThreeSevenZeroTwoEightCommonSharesMember" use="optional" order="12" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfFourThreeSevenZeroTwoEightCommonSharesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_IssuanceOfFourThreeSevenZeroTwoEightCommonSharesMember" xml:lang="en-US" id="documentation_efr_IssuanceOfFourThreeSevenZeroTwoEightCommonSharesMember_en-US">Issuance of 437,028 common shares</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_IssuanceOfThreeZeroZeroSharesUponExerciseOfSharePurchaseWarrantsMember" xlink:label="IssuanceOfThreeZeroZeroSharesUponExerciseOfSharePurchaseWarrantsMember" xlink:title="IssuanceOfThreeZeroZeroSharesUponExerciseOfSharePurchaseWarrantsMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfThreeZeroZeroSharesUponExerciseOfSharePurchaseWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_IssuanceOfThreeZeroZeroSharesUponExerciseOfSharePurchaseWarrantsMember" xml:lang="en-US" id="verboseLabel_efr_IssuanceOfThreeZeroZeroSharesUponExerciseOfSharePurchaseWarrantsMember_en-US">Issuance of 300 shares upon exercise of share purchase warrants [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfThreeZeroZeroSharesUponExerciseOfSharePurchaseWarrantsMember" xlink:to="label_efr_IssuanceOfThreeZeroZeroSharesUponExerciseOfSharePurchaseWarrantsMember" use="optional" order="15" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfThreeZeroZeroSharesUponExerciseOfSharePurchaseWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_IssuanceOfThreeZeroZeroSharesUponExerciseOfSharePurchaseWarrantsMember" xml:lang="en-US" id="documentation_efr_IssuanceOfThreeZeroZeroSharesUponExerciseOfSharePurchaseWarrantsMember_en-US">Issuance of 300 shares upon exercise of share purchase warrants</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_IssuanceOfSixOneThreeZeroOneSharesUponExerciseOfSharePurchaseWarrantsMember" xlink:label="IssuanceOfSixOneThreeZeroOneSharesUponExerciseOfSharePurchaseWarrantsMember" xlink:title="IssuanceOfSixOneThreeZeroOneSharesUponExerciseOfSharePurchaseWarrantsMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfSixOneThreeZeroOneSharesUponExerciseOfSharePurchaseWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_IssuanceOfSixOneThreeZeroOneSharesUponExerciseOfSharePurchaseWarrantsMember" xml:lang="en-US" id="verboseLabel_efr_IssuanceOfSixOneThreeZeroOneSharesUponExerciseOfSharePurchaseWarrantsMember_en-US">Issuance of 61,301 shares upon exercise of share purchase warrants [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfSixOneThreeZeroOneSharesUponExerciseOfSharePurchaseWarrantsMember" xlink:to="label_efr_IssuanceOfSixOneThreeZeroOneSharesUponExerciseOfSharePurchaseWarrantsMember" use="optional" order="16" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfSixOneThreeZeroOneSharesUponExerciseOfSharePurchaseWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_IssuanceOfSixOneThreeZeroOneSharesUponExerciseOfSharePurchaseWarrantsMember" xml:lang="en-US" id="documentation_efr_IssuanceOfSixOneThreeZeroOneSharesUponExerciseOfSharePurchaseWarrantsMember_en-US">Issuance of 61,301 shares upon exercise of share purchase warrants</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_IssuanceOfWarrantsAsUranerzReplacementWarrantsMember" xlink:label="IssuanceOfWarrantsAsUranerzReplacementWarrantsMember" xlink:title="IssuanceOfWarrantsAsUranerzReplacementWarrantsMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfWarrantsAsUranerzReplacementWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_IssuanceOfWarrantsAsUranerzReplacementWarrantsMember" xml:lang="en-US" id="label_efr_IssuanceOfWarrantsAsUranerzReplacementWarrantsMember_en-US">Issuance of warrants as Uranerz replacement warrants [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfWarrantsAsUranerzReplacementWarrantsMember" xlink:to="label_efr_IssuanceOfWarrantsAsUranerzReplacementWarrantsMember" use="optional" order="17" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfWarrantsAsUranerzReplacementWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_IssuanceOfWarrantsAsUranerzReplacementWarrantsMember" xml:lang="en-US" id="documentation_efr_IssuanceOfWarrantsAsUranerzReplacementWarrantsMember_en-US">Issuance of warrants as Uranerz replacement warrants</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_WarrantsExpiredUnexercisedOnDecemberFiveTwoZeroOneFiveMember" xlink:label="WarrantsExpiredUnexercisedOnDecemberFiveTwoZeroOneFiveMember" xlink:title="WarrantsExpiredUnexercisedOnDecemberFiveTwoZeroOneFiveMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_WarrantsExpiredUnexercisedOnDecemberFiveTwoZeroOneFiveMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_WarrantsExpiredUnexercisedOnDecemberFiveTwoZeroOneFiveMember" xml:lang="en-US" id="verboseLabel_efr_WarrantsExpiredUnexercisedOnDecemberFiveTwoZeroOneFiveMember_en-US">Warrants expired unexercised on December 5, 2015 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantsExpiredUnexercisedOnDecemberFiveTwoZeroOneFiveMember" xlink:to="label_efr_WarrantsExpiredUnexercisedOnDecemberFiveTwoZeroOneFiveMember" use="optional" order="18" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_WarrantsExpiredUnexercisedOnDecemberFiveTwoZeroOneFiveMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_WarrantsExpiredUnexercisedOnDecemberFiveTwoZeroOneFiveMember" xml:lang="en-US" id="documentation_efr_WarrantsExpiredUnexercisedOnDecemberFiveTwoZeroOneFiveMember_en-US">Warrants expired unexercised on December 5, 2015</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_WarrantsExpiredUnexercisedOnMarchFiveTwoZeroOneSixMember" xlink:label="WarrantsExpiredUnexercisedOnMarchFiveTwoZeroOneSixMember" xlink:title="WarrantsExpiredUnexercisedOnMarchFiveTwoZeroOneSixMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_WarrantsExpiredUnexercisedOnMarchFiveTwoZeroOneSixMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_WarrantsExpiredUnexercisedOnMarchFiveTwoZeroOneSixMember" xml:lang="en-US" id="verboseLabel_efr_WarrantsExpiredUnexercisedOnMarchFiveTwoZeroOneSixMember_en-US">Warrants expired unexercised on March 5, 2016 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantsExpiredUnexercisedOnMarchFiveTwoZeroOneSixMember" xlink:to="label_efr_WarrantsExpiredUnexercisedOnMarchFiveTwoZeroOneSixMember" use="optional" order="19" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_WarrantsExpiredUnexercisedOnMarchFiveTwoZeroOneSixMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_WarrantsExpiredUnexercisedOnMarchFiveTwoZeroOneSixMember" xml:lang="en-US" id="documentation_efr_WarrantsExpiredUnexercisedOnMarchFiveTwoZeroOneSixMember_en-US">Warrants expired unexercised on March 5, 2016</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_WarrantsIssuedInConnectionWithTheAcquisitionOfUranerzMember" xlink:label="WarrantsIssuedInConnectionWithTheAcquisitionOfUranerzMember" xlink:title="WarrantsIssuedInConnectionWithTheAcquisitionOfUranerzMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_WarrantsIssuedInConnectionWithTheAcquisitionOfUranerzMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_WarrantsIssuedInConnectionWithTheAcquisitionOfUranerzMember" xml:lang="en-US" id="label_efr_WarrantsIssuedInConnectionWithTheAcquisitionOfUranerzMember_en-US">Warrants issued in connection with the acquisition of Uranerz [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WarrantsIssuedInConnectionWithTheAcquisitionOfUranerzMember" xlink:to="label_efr_WarrantsIssuedInConnectionWithTheAcquisitionOfUranerzMember" use="optional" order="20" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_WarrantsIssuedInConnectionWithTheAcquisitionOfUranerzMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_WarrantsIssuedInConnectionWithTheAcquisitionOfUranerzMember" xml:lang="en-US" id="documentation_efr_WarrantsIssuedInConnectionWithTheAcquisitionOfUranerzMember_en-US">Warrants issued in connection with the acquisition of Uranerz</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_FairValueOfStockOptionsGrantedToEmployeesOfCompaniesAcquiredThroughBusinessCombinationsMember" xlink:label="FairValueOfStockOptionsGrantedToEmployeesOfCompaniesAcquiredThroughBusinessCombinationsMember" xlink:title="FairValueOfStockOptionsGrantedToEmployeesOfCompaniesAcquiredThroughBusinessCombinationsMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_FairValueOfStockOptionsGrantedToEmployeesOfCompaniesAcquiredThroughBusinessCombinationsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_FairValueOfStockOptionsGrantedToEmployeesOfCompaniesAcquiredThroughBusinessCombinationsMember" xml:lang="en-US" id="label_efr_FairValueOfStockOptionsGrantedToEmployeesOfCompaniesAcquiredThroughBusinessCombinationsMember_en-US">Fair Value of Stock Options Granted to Employees of Companies Acquired Through Business Combinations [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueOfStockOptionsGrantedToEmployeesOfCompaniesAcquiredThroughBusinessCombinationsMember" xlink:to="label_efr_FairValueOfStockOptionsGrantedToEmployeesOfCompaniesAcquiredThroughBusinessCombinationsMember" use="optional" order="21" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_FairValueOfStockOptionsGrantedToEmployeesOfCompaniesAcquiredThroughBusinessCombinationsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_FairValueOfStockOptionsGrantedToEmployeesOfCompaniesAcquiredThroughBusinessCombinationsMember" xml:lang="en-US" id="documentation_efr_FairValueOfStockOptionsGrantedToEmployeesOfCompaniesAcquiredThroughBusinessCombinationsMember_en-US">Fair Value of Stock Options Granted to Employees of Companies Acquired Through Business Combinations</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_IssuanceOfTwoZeroZeroTwoZeroZeroSharesMember" xlink:label="IssuanceOfTwoZeroZeroTwoZeroZeroSharesMember" xlink:title="IssuanceOfTwoZeroZeroTwoZeroZeroSharesMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfTwoZeroZeroTwoZeroZeroSharesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_IssuanceOfTwoZeroZeroTwoZeroZeroSharesMember" xml:lang="en-US" id="verboseLabel_efr_IssuanceOfTwoZeroZeroTwoZeroZeroSharesMember_en-US">Issuance of 200,200 shares [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfTwoZeroZeroTwoZeroZeroSharesMember" xlink:to="label_efr_IssuanceOfTwoZeroZeroTwoZeroZeroSharesMember" use="optional" order="22" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfTwoZeroZeroTwoZeroZeroSharesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_IssuanceOfTwoZeroZeroTwoZeroZeroSharesMember" xml:lang="en-US" id="documentation_efr_IssuanceOfTwoZeroZeroTwoZeroZeroSharesMember_en-US">Issuance of 200,200 shares</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_IssuanceOfFiveZeroThreeOneTwoFiveZeroUnitsForPublicOfferingMember" xlink:label="IssuanceOfFiveZeroThreeOneTwoFiveZeroUnitsForPublicOfferingMember" xlink:title="IssuanceOfFiveZeroThreeOneTwoFiveZeroUnitsForPublicOfferingMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfFiveZeroThreeOneTwoFiveZeroUnitsForPublicOfferingMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_IssuanceOfFiveZeroThreeOneTwoFiveZeroUnitsForPublicOfferingMember" xml:lang="en-US" id="verboseLabel_efr_IssuanceOfFiveZeroThreeOneTwoFiveZeroUnitsForPublicOfferingMember_en-US">Issuance of 5,031,250 units for public offering [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfFiveZeroThreeOneTwoFiveZeroUnitsForPublicOfferingMember" xlink:to="label_efr_IssuanceOfFiveZeroThreeOneTwoFiveZeroUnitsForPublicOfferingMember" use="optional" order="23" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfFiveZeroThreeOneTwoFiveZeroUnitsForPublicOfferingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_IssuanceOfFiveZeroThreeOneTwoFiveZeroUnitsForPublicOfferingMember" xml:lang="en-US" id="documentation_efr_IssuanceOfFiveZeroThreeOneTwoFiveZeroUnitsForPublicOfferingMember_en-US">Issuance of 5,031,250 units for public offering</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_IssuanceOfTwoFiveOneFiveSixTwoFiveWarrantsForPublicOfferingMember" xlink:label="IssuanceOfTwoFiveOneFiveSixTwoFiveWarrantsForPublicOfferingMember" xlink:title="IssuanceOfTwoFiveOneFiveSixTwoFiveWarrantsForPublicOfferingMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfTwoFiveOneFiveSixTwoFiveWarrantsForPublicOfferingMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_IssuanceOfTwoFiveOneFiveSixTwoFiveWarrantsForPublicOfferingMember" xml:lang="en-US" id="verboseLabel_efr_IssuanceOfTwoFiveOneFiveSixTwoFiveWarrantsForPublicOfferingMember_en-US">Issuance of 2,515,625 warrants for public offering [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfTwoFiveOneFiveSixTwoFiveWarrantsForPublicOfferingMember" xlink:to="label_efr_IssuanceOfTwoFiveOneFiveSixTwoFiveWarrantsForPublicOfferingMember" use="optional" order="24" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfTwoFiveOneFiveSixTwoFiveWarrantsForPublicOfferingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_IssuanceOfTwoFiveOneFiveSixTwoFiveWarrantsForPublicOfferingMember" xml:lang="en-US" id="documentation_efr_IssuanceOfTwoFiveOneFiveSixTwoFiveWarrantsForPublicOfferingMember_en-US">Issuance of 2,515,625 warrants for public offering</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_EquityOutstandingAxis" xlink:label="EquityOutstandingAxis" xlink:title="EquityOutstandingAxis"/>
    <link:label xlink:type="resource" xlink:label="label_efr_EquityOutstandingAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_EquityOutstandingAxis" xml:lang="en-US" id="label_efr_EquityOutstandingAxis_en-US">Equity Outstanding [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EquityOutstandingAxis" xlink:to="label_efr_EquityOutstandingAxis" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_EquityOutstandingAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_EquityOutstandingAxis" xml:lang="en-US" id="documentation_efr_EquityOutstandingAxis_en-US">Equity Outstanding [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_EquityOutstandingDomain" xlink:label="EquityOutstandingDomain" xlink:title="EquityOutstandingDomain"/>
    <link:label xlink:type="resource" xlink:label="label_efr_EquityOutstandingDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_EquityOutstandingDomain" xml:lang="en-US" id="label_efr_EquityOutstandingDomain_en-US">Equity Outstanding [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EquityOutstandingDomain" xlink:to="label_efr_EquityOutstandingDomain" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_EquityOutstandingDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_EquityOutstandingDomain" xml:lang="en-US" id="documentation_efr_EquityOutstandingDomain_en-US">Equity Outstanding [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_CompensationWarrantsMember" xlink:label="CompensationWarrantsMember" xlink:title="CompensationWarrantsMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_CompensationWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_CompensationWarrantsMember" xml:lang="en-US" id="label_efr_CompensationWarrantsMember_en-US">Compensation warrants [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CompensationWarrantsMember" xlink:to="label_efr_CompensationWarrantsMember" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_CompensationWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_CompensationWarrantsMember" xml:lang="en-US" id="documentation_efr_CompensationWarrantsMember_en-US">Compensation warrants</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:label="StockIssuedDuringPeriodSharesNewIssues" xlink:title="StockIssuedDuringPeriodSharesNewIssues"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xml:lang="en-US" id="terseLabel_us-gaap_StockIssuedDuringPeriodSharesNewIssues_en-US">Stock Issued During Period, Shares, New Issues</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesNewIssues" xlink:to="label_us-gaap_StockIssuedDuringPeriodSharesNewIssues" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_ProceedsFromIssuanceOfCommonStock" xml:lang="en-US" id="verboseLabel_us-gaap_ProceedsFromIssuanceOfCommonStock_en-US">Proceeds from Issuance of Common Stock</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesAcquisitions" xlink:label="StockIssuedDuringPeriodSharesAcquisitions" xlink:title="StockIssuedDuringPeriodSharesAcquisitions"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_StockIssuedDuringPeriodSharesAcquisitions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_StockIssuedDuringPeriodSharesAcquisitions" xml:lang="en-US" id="terseLabel_us-gaap_StockIssuedDuringPeriodSharesAcquisitions_en-US">Stock Issued During Period, Shares, Acquisitions</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesAcquisitions" xlink:to="label_us-gaap_StockIssuedDuringPeriodSharesAcquisitions" use="optional" order="3" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueAcquisitions" xlink:label="StockIssuedDuringPeriodValueAcquisitions" xlink:title="StockIssuedDuringPeriodValueAcquisitions"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_StockIssuedDuringPeriodValueAcquisitions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_StockIssuedDuringPeriodValueAcquisitions" xml:lang="en-US" id="terseLabel_us-gaap_StockIssuedDuringPeriodValueAcquisitions_en-US">Stock Issued During Period, Value, Acquisitions</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueAcquisitions" xlink:to="label_us-gaap_StockIssuedDuringPeriodValueAcquisitions" use="optional" order="4" xlink:title=""/>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_StockIssuedDuringPeriodValueIssuedForServices" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_StockIssuedDuringPeriodValueIssuedForServices" xml:lang="en-US" id="verboseLabel_us-gaap_StockIssuedDuringPeriodValueIssuedForServices_en-US">Stock Issued During Period, Value, Issued for Services</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueIssuedForServices" xlink:to="label_us-gaap_StockIssuedDuringPeriodValueIssuedForServices" use="optional" order="8" xlink:title=""/>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueNewIssues" xlink:to="label_us-gaap_StockIssuedDuringPeriodValueNewIssues" use="optional" order="10" xlink:title=""/>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClassOfWarrantOrRightGrantsInPeriod" xlink:to="label_efr_ClassOfWarrantOrRightGrantsInPeriod" use="optional" order="11" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_ClassOfWarrantOrRightGrantsInPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_ClassOfWarrantOrRightGrantsInPeriod" xml:lang="en-US" id="documentation_efr_ClassOfWarrantOrRightGrantsInPeriod_en-US">Class of Warrant or Right, Grants in Period, Net of Forfeitures</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_ClassOfWarrantOrRightGrantsInPeriodExercisePrice" xlink:label="ClassOfWarrantOrRightGrantsInPeriodExercisePrice" xlink:title="ClassOfWarrantOrRightGrantsInPeriodExercisePrice"/>
    <link:label xlink:type="resource" xlink:label="label_efr_ClassOfWarrantOrRightGrantsInPeriodExercisePrice" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_ClassOfWarrantOrRightGrantsInPeriodExercisePrice" xml:lang="en-US" id="verboseLabel_efr_ClassOfWarrantOrRightGrantsInPeriodExercisePrice_en-US">Class of Warrant or Right, Grants in Period, Exercise Price</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClassOfWarrantOrRightGrantsInPeriodExercisePrice" xlink:to="label_efr_ClassOfWarrantOrRightGrantsInPeriodExercisePrice" use="optional" order="12" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_ClassOfWarrantOrRightGrantsInPeriodExercisePrice" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_ClassOfWarrantOrRightGrantsInPeriodExercisePrice" xml:lang="en-US" id="documentation_efr_ClassOfWarrantOrRightGrantsInPeriodExercisePrice_en-US">Class of Warrant or Right, Grants in Period, Exercise Price</link:label>
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    <link:label xlink:type="resource" xlink:label="label_efr_ClassOfWarrantOrRightGrantsInPeriodValue" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_ClassOfWarrantOrRightGrantsInPeriodValue" xml:lang="en-US" id="verboseLabel_efr_ClassOfWarrantOrRightGrantsInPeriodValue_en-US">Warrants Issued During Period, Value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClassOfWarrantOrRightGrantsInPeriodValue" xlink:to="label_efr_ClassOfWarrantOrRightGrantsInPeriodValue" use="optional" order="13" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_ClassOfWarrantOrRightGrantsInPeriodValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_ClassOfWarrantOrRightGrantsInPeriodValue" xml:lang="en-US" id="documentation_efr_ClassOfWarrantOrRightGrantsInPeriodValue_en-US">Warrants Issued During Period, Value</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesOther" xlink:label="StockIssuedDuringPeriodSharesOther" xlink:title="StockIssuedDuringPeriodSharesOther"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_StockIssuedDuringPeriodSharesOther" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_StockIssuedDuringPeriodSharesOther" xml:lang="en-US" id="verboseLabel_us-gaap_StockIssuedDuringPeriodSharesOther_en-US">Stock Issued During Period, Shares, Other</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodSharesOther" xlink:to="label_us-gaap_StockIssuedDuringPeriodSharesOther" use="optional" order="14" xlink:title=""/>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_StockIssuedDuringPeriodValueOther" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_StockIssuedDuringPeriodValueOther" xml:lang="en-US" id="verboseLabel_us-gaap_StockIssuedDuringPeriodValueOther_en-US">Stock Issued During Period, Value, Other</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockIssuedDuringPeriodValueOther" xlink:to="label_us-gaap_StockIssuedDuringPeriodValueOther" use="optional" order="15" xlink:title=""/>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/invest/2013/invest-2013-01-31.xsd#invest_InvestmentWarrantsExercisePrice" xlink:label="InvestmentWarrantsExercisePrice" xlink:title="InvestmentWarrantsExercisePrice"/>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClassOfWarrantOrRightExpirationsInPeriod" xlink:to="label_efr_ClassOfWarrantOrRightExpirationsInPeriod" use="optional" order="23" xlink:title=""/>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" xlink:to="label_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod" use="optional" order="2" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber"/>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" xlink:to="label_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" use="optional" order="4" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" xml:lang="en-US" id="terseLabel_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price</link:label>
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    <link:label xlink:type="resource" xlink:label="label_efr_UnrecognizedCompensationCostsRelatedToRSUAwards" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_UnrecognizedCompensationCostsRelatedToRSUAwards" xml:lang="en-US" id="verboseLabel_efr_UnrecognizedCompensationCostsRelatedToRSUAwards_en-US">Unrecognized Compensation Costs Related to RSU Awards</link:label>
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    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_SouthKoreaMember" xlink:label="SouthKoreaMember" xlink:title="SouthKoreaMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_SouthKoreaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_SouthKoreaMember" xml:lang="en-US" id="label_efr_SouthKoreaMember_en-US">South Korea [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SouthKoreaMember" xlink:to="label_efr_SouthKoreaMember" use="optional" order="7" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_SouthKoreaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_SouthKoreaMember" xml:lang="en-US" id="documentation_efr_SouthKoreaMember_en-US">South Korea</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_OtherMember" xlink:label="OtherMember" xlink:title="OtherMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_OtherMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_OtherMember" xml:lang="en-US" id="label_efr_OtherMember_en-US">Other [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherMember" xlink:to="label_efr_OtherMember" use="optional" order="8" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_OtherMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_OtherMember" xml:lang="en-US" id="documentation_efr_OtherMember_en-US">Other</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:label="LossContingenciesByNatureOfContingencyAxis" xlink:title="LossContingenciesByNatureOfContingencyAxis"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_LossContingenciesByNatureOfContingencyAxis" xml:lang="en-US" id="label_us-gaap_LossContingenciesByNatureOfContingencyAxis_en-US">Loss Contingency Nature [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LossContingenciesByNatureOfContingencyAxis" xlink:to="label_us-gaap_LossContingenciesByNatureOfContingencyAxis" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LossContingencyNatureDomain" xlink:label="LossContingencyNatureDomain" xlink:title="LossContingencyNatureDomain"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_LossContingencyNatureDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_LossContingencyNatureDomain" xml:lang="en-US" id="label_us-gaap_LossContingencyNatureDomain_en-US">Loss Contingency, Nature [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LossContingencyNatureDomain" xlink:to="label_us-gaap_LossContingencyNatureDomain" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SuretyBondMember" xlink:label="SuretyBondMember" xlink:title="SuretyBondMember"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_SuretyBondMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_SuretyBondMember" xml:lang="en-US" id="label_us-gaap_SuretyBondMember_en-US">Surety Bond [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SuretyBondMember" xlink:to="label_us-gaap_SuretyBondMember" use="optional" order="2" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="StatementScenarioAxis" xlink:title="StatementScenarioAxis"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_StatementScenarioAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_StatementScenarioAxis" xml:lang="en-US" id="label_us-gaap_StatementScenarioAxis_en-US">Scenario [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementScenarioAxis" xlink:to="label_us-gaap_StatementScenarioAxis" use="optional" order="2" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="ScenarioUnspecifiedDomain" xlink:title="ScenarioUnspecifiedDomain"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ScenarioUnspecifiedDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ScenarioUnspecifiedDomain" xml:lang="en-US" id="label_us-gaap_ScenarioUnspecifiedDomain_en-US">Scenario, Unspecified [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScenarioUnspecifiedDomain" xlink:to="label_us-gaap_ScenarioUnspecifiedDomain" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ScenarioForecastMember" xlink:label="ScenarioForecastMember" xlink:title="ScenarioForecastMember"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ScenarioForecastMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ScenarioForecastMember" xml:lang="en-US" id="label_us-gaap_ScenarioForecastMember_en-US">Scenario, Forecast [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ScenarioForecastMember" xlink:to="label_us-gaap_ScenarioForecastMember" use="optional" order="2" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_CivilPenalties" xlink:label="CivilPenalties" xlink:title="CivilPenalties"/>
    <link:label xlink:type="resource" xlink:label="label_efr_CivilPenalties" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_CivilPenalties" xml:lang="en-US" id="verboseLabel_efr_CivilPenalties_en-US">Civil Penalties</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CivilPenalties" xlink:to="label_efr_CivilPenalties" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_CivilPenalties" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_CivilPenalties" xml:lang="en-US" id="documentation_efr_CivilPenalties_en-US">Civil Penalties</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_CapitalLeaseObligations" xlink:label="CapitalLeaseObligations" xlink:title="CapitalLeaseObligations"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_CapitalLeaseObligations" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_CapitalLeaseObligations" xml:lang="en-US" id="verboseLabel_us-gaap_CapitalLeaseObligations_en-US">Capital Lease Obligations</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CapitalLeaseObligations" xlink:to="label_us-gaap_CapitalLeaseObligations" use="optional" order="2" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LossContingencyEstimateOfPossibleLoss" xlink:label="LossContingencyEstimateOfPossibleLoss" xlink:title="LossContingencyEstimateOfPossibleLoss"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_LossContingencyEstimateOfPossibleLoss" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_LossContingencyEstimateOfPossibleLoss" xml:lang="en-US" id="verboseLabel_us-gaap_LossContingencyEstimateOfPossibleLoss_en-US">Loss Contingency, Estimate of Possible Loss</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LossContingencyEstimateOfPossibleLoss" xlink:to="label_us-gaap_LossContingencyEstimateOfPossibleLoss" use="optional" order="3" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetRetirementObligation" xlink:label="AssetRetirementObligation" xlink:title="AssetRetirementObligation"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AssetRetirementObligation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_AssetRetirementObligation" xml:lang="en-US" id="terseLabel_us-gaap_AssetRetirementObligation_en-US">Asset Retirement Obligation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetRetirementObligation" xlink:to="label_us-gaap_AssetRetirementObligation" use="optional" order="4" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_OperationsWhoseRevenuesEarningsOrLossesOrAssetsExceedTotalConsolidatedRevenue" xlink:label="OperationsWhoseRevenuesEarningsOrLossesOrAssetsExceedTotalConsolidatedRevenue" xlink:title="OperationsWhoseRevenuesEarningsOrLossesOrAssetsExceedTotalConsolidatedRevenue"/>
    <link:label xlink:type="resource" xlink:label="label_efr_OperationsWhoseRevenuesEarningsOrLossesOrAssetsExceedTotalConsolidatedRevenue" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_OperationsWhoseRevenuesEarningsOrLossesOrAssetsExceedTotalConsolidatedRevenue" xml:lang="en-US" id="verboseLabel_efr_OperationsWhoseRevenuesEarningsOrLossesOrAssetsExceedTotalConsolidatedRevenue_en-US">Operations whose revenues, earnings or losses or assets exceed total consolidated revenue</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperationsWhoseRevenuesEarningsOrLossesOrAssetsExceedTotalConsolidatedRevenue" xlink:to="label_efr_OperationsWhoseRevenuesEarningsOrLossesOrAssetsExceedTotalConsolidatedRevenue" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_OperationsWhoseRevenuesEarningsOrLossesOrAssetsExceedTotalConsolidatedRevenue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_OperationsWhoseRevenuesEarningsOrLossesOrAssetsExceedTotalConsolidatedRevenue" xml:lang="en-US" id="documentation_efr_OperationsWhoseRevenuesEarningsOrLossesOrAssetsExceedTotalConsolidatedRevenue_en-US">Operations whose revenues, earnings or losses or assets exceed total consolidated revenue</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_IncomeTaxesAxis" xlink:label="IncomeTaxesAxis" xlink:title="IncomeTaxesAxis"/>
    <link:label xlink:type="resource" xlink:label="label_efr_IncomeTaxesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_IncomeTaxesAxis" xml:lang="en-US" id="label_efr_IncomeTaxesAxis_en-US">Income Taxes [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeTaxesAxis" xlink:to="label_efr_IncomeTaxesAxis" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_IncomeTaxesAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_IncomeTaxesAxis" xml:lang="en-US" id="documentation_efr_IncomeTaxesAxis_en-US">Income Taxes</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_IncomeTaxesDomain" xlink:label="IncomeTaxesDomain" xlink:title="IncomeTaxesDomain"/>
    <link:label xlink:type="resource" xlink:label="label_efr_IncomeTaxesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_IncomeTaxesDomain" xml:lang="en-US" id="label_efr_IncomeTaxesDomain_en-US">Income Taxes [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeTaxesDomain" xlink:to="label_efr_IncomeTaxesDomain" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_IncomeTaxesDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_IncomeTaxesDomain" xml:lang="en-US" id="documentation_efr_IncomeTaxesDomain_en-US">Income Taxes</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_ConsolidatedStatementOfEquityMember" xlink:label="ConsolidatedStatementOfEquityMember" xlink:title="ConsolidatedStatementOfEquityMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_ConsolidatedStatementOfEquityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_ConsolidatedStatementOfEquityMember" xml:lang="en-US" id="label_efr_ConsolidatedStatementOfEquityMember_en-US">Consolidated Statement of Equity [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConsolidatedStatementOfEquityMember" xlink:to="label_efr_ConsolidatedStatementOfEquityMember" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_ConsolidatedStatementOfEquityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_ConsolidatedStatementOfEquityMember" xml:lang="en-US" id="documentation_efr_ConsolidatedStatementOfEquityMember_en-US">Consolidated Statement of Equity</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_IncomeTaxExpenseBenefit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_IncomeTaxExpenseBenefit" xml:lang="en-US" id="label_us-gaap_IncomeTaxExpenseBenefit_en-US">Income Tax Expense (Benefit), Total</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_ExpirationOfWarrants" xlink:label="ExpirationOfWarrants" xlink:title="ExpirationOfWarrants"/>
    <link:label xlink:type="resource" xlink:label="label_efr_ExpirationOfWarrants" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_ExpirationOfWarrants" xml:lang="en-US" id="verboseLabel_efr_ExpirationOfWarrants_en-US">Expiration of Warrants</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ExpirationOfWarrants" xlink:to="label_efr_ExpirationOfWarrants" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_ExpirationOfWarrants" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_ExpirationOfWarrants" xml:lang="en-US" id="documentation_efr_ExpirationOfWarrants_en-US">Expiration of Warrants</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_OperatingLossCarryforwardsExpiration" xlink:label="OperatingLossCarryforwardsExpiration" xlink:title="OperatingLossCarryforwardsExpiration"/>
    <link:label xlink:type="resource" xlink:label="label_efr_OperatingLossCarryforwardsExpiration" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_OperatingLossCarryforwardsExpiration" xml:lang="en-US" id="verboseLabel_efr_OperatingLossCarryforwardsExpiration_en-US">Operating Loss Carryforwards, Expiration</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLossCarryforwardsExpiration" xlink:to="label_efr_OperatingLossCarryforwardsExpiration" use="optional" order="3" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_OperatingLossCarryforwardsExpiration" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_OperatingLossCarryforwardsExpiration" xml:lang="en-US" id="documentation_efr_OperatingLossCarryforwardsExpiration_en-US">Operating Loss Carryforwards, Expiration</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherAssetImpairmentCharges" xlink:label="OtherAssetImpairmentCharges" xlink:title="OtherAssetImpairmentCharges"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OtherAssetImpairmentCharges" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_OtherAssetImpairmentCharges" xml:lang="en-US" id="verboseLabel_us-gaap_OtherAssetImpairmentCharges_en-US">Other Asset Impairment Charges</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherAssetImpairmentCharges" xlink:to="label_us-gaap_OtherAssetImpairmentCharges" use="optional" order="2" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BuildingMember" xlink:label="BuildingMember" xlink:title="BuildingMember"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_BuildingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_BuildingMember" xml:lang="en-US" id="label_us-gaap_BuildingMember_en-US">Buildings [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BuildingMember" xlink:to="label_us-gaap_BuildingMember" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_ShopToolsAndEquipmentMember" xlink:label="ShopToolsAndEquipmentMember" xlink:title="ShopToolsAndEquipmentMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_ShopToolsAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_ShopToolsAndEquipmentMember" xml:lang="en-US" id="label_efr_ShopToolsAndEquipmentMember_en-US">Shop tools and equipment [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShopToolsAndEquipmentMember" xlink:to="label_efr_ShopToolsAndEquipmentMember" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_ShopToolsAndEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_ShopToolsAndEquipmentMember" xml:lang="en-US" id="documentation_efr_ShopToolsAndEquipmentMember_en-US">Shop tools and equipment</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_MiningEquipmentMember" xlink:label="MiningEquipmentMember" xlink:title="MiningEquipmentMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_MiningEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_MiningEquipmentMember" xml:lang="en-US" id="label_efr_MiningEquipmentMember_en-US">Mining equipment [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MiningEquipmentMember" xlink:to="label_efr_MiningEquipmentMember" use="optional" order="3" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_MiningEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_MiningEquipmentMember" xml:lang="en-US" id="documentation_efr_MiningEquipmentMember_en-US">Mining equipment</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OfficeEquipmentMember" xlink:label="OfficeEquipmentMember" xlink:title="OfficeEquipmentMember"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OfficeEquipmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_OfficeEquipmentMember" xml:lang="en-US" id="label_us-gaap_OfficeEquipmentMember_en-US">Office equipment [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OfficeEquipmentMember" xlink:to="label_us-gaap_OfficeEquipmentMember" use="optional" order="4" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FurnitureAndFixturesMember" xlink:label="FurnitureAndFixturesMember" xlink:title="FurnitureAndFixturesMember"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_FurnitureAndFixturesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_FurnitureAndFixturesMember" xml:lang="en-US" id="label_us-gaap_FurnitureAndFixturesMember_en-US">Furniture and fixtures [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FurnitureAndFixturesMember" xlink:to="label_us-gaap_FurnitureAndFixturesMember" use="optional" order="5" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_VehiclesMember" xlink:label="VehiclesMember" xlink:title="VehiclesMember"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_VehiclesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_VehiclesMember" xml:lang="en-US" id="label_us-gaap_VehiclesMember_en-US">Light trucks &amp; utility vehicles [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="VehiclesMember" xlink:to="label_us-gaap_VehiclesMember" use="optional" order="6" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_PropertyPlantAndEquipmentUsefulLife" xml:lang="en-US" id="terseLabel_us-gaap_PropertyPlantAndEquipmentUsefulLife_en-US">Property, Plant and Equipment, Useful Life</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="BusinessAcquisitionAxis" xlink:title="BusinessAcquisitionAxis"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_BusinessAcquisitionAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_BusinessAcquisitionAxis" xml:lang="en-US" id="label_us-gaap_BusinessAcquisitionAxis_en-US">Business Acquisition [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionAxis" xlink:to="label_us-gaap_BusinessAcquisitionAxis" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="BusinessAcquisitionAcquireeDomain" xlink:title="BusinessAcquisitionAcquireeDomain"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_BusinessAcquisitionAcquireeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_BusinessAcquisitionAcquireeDomain" xml:lang="en-US" id="label_us-gaap_BusinessAcquisitionAcquireeDomain_en-US">Business Acquisition, Acquiree [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionAcquireeDomain" xlink:to="label_us-gaap_BusinessAcquisitionAcquireeDomain" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_IssuanceOfTwoFourFourFiveSevenSevenSevenThreeCommonSharesForReplacementOfUranerzCommonSharesMember" xlink:label="IssuanceOfTwoFourFourFiveSevenSevenSevenThreeCommonSharesForReplacementOfUranerzCommonSharesMember" xlink:title="IssuanceOfTwoFourFourFiveSevenSevenSevenThreeCommonSharesForReplacementOfUranerzCommonSharesMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfTwoFourFourFiveSevenSevenSevenThreeCommonSharesForReplacementOfUranerzCommonSharesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_IssuanceOfTwoFourFourFiveSevenSevenSevenThreeCommonSharesForReplacementOfUranerzCommonSharesMember" xml:lang="en-US" id="verboseLabel_efr_IssuanceOfTwoFourFourFiveSevenSevenSevenThreeCommonSharesForReplacementOfUranerzCommonSharesMember_en-US">Issuance of 24,457,773 common shares for replacement of Uranerz common shares [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfTwoFourFourFiveSevenSevenSevenThreeCommonSharesForReplacementOfUranerzCommonSharesMember" xlink:to="label_efr_IssuanceOfTwoFourFourFiveSevenSevenSevenThreeCommonSharesForReplacementOfUranerzCommonSharesMember" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfTwoFourFourFiveSevenSevenSevenThreeCommonSharesForReplacementOfUranerzCommonSharesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_IssuanceOfTwoFourFourFiveSevenSevenSevenThreeCommonSharesForReplacementOfUranerzCommonSharesMember" xml:lang="en-US" id="documentation_efr_IssuanceOfTwoFourFourFiveSevenSevenSevenThreeCommonSharesForReplacementOfUranerzCommonSharesMember_en-US">Issuance of 24,457,773 common shares for replacement of Uranerz common shares</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_IssuanceOfTwoSixNineZeroTwoFiveZeroWarrantsForReplacementOfUranerzWarrantsMember" xlink:label="IssuanceOfTwoSixNineZeroTwoFiveZeroWarrantsForReplacementOfUranerzWarrantsMember" xlink:title="IssuanceOfTwoSixNineZeroTwoFiveZeroWarrantsForReplacementOfUranerzWarrantsMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfTwoSixNineZeroTwoFiveZeroWarrantsForReplacementOfUranerzWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_IssuanceOfTwoSixNineZeroTwoFiveZeroWarrantsForReplacementOfUranerzWarrantsMember" xml:lang="en-US" id="verboseLabel_efr_IssuanceOfTwoSixNineZeroTwoFiveZeroWarrantsForReplacementOfUranerzWarrantsMember_en-US">Issuance of 2,690,250 warrants for replacement of Uranerz warrants [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfTwoSixNineZeroTwoFiveZeroWarrantsForReplacementOfUranerzWarrantsMember" xlink:to="label_efr_IssuanceOfTwoSixNineZeroTwoFiveZeroWarrantsForReplacementOfUranerzWarrantsMember" use="optional" order="3" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfTwoSixNineZeroTwoFiveZeroWarrantsForReplacementOfUranerzWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_IssuanceOfTwoSixNineZeroTwoFiveZeroWarrantsForReplacementOfUranerzWarrantsMember" xml:lang="en-US" id="documentation_efr_IssuanceOfTwoSixNineZeroTwoFiveZeroWarrantsForReplacementOfUranerzWarrantsMember_en-US">Issuance of 2,690,250 warrants for replacement of Uranerz warrants</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_IssuanceOfTwoZeroFourZeroFourZeroEightOptionsForReplacementOfUranerzShareBasedOptionsMember" xlink:label="IssuanceOfTwoZeroFourZeroFourZeroEightOptionsForReplacementOfUranerzShareBasedOptionsMember" xlink:title="IssuanceOfTwoZeroFourZeroFourZeroEightOptionsForReplacementOfUranerzShareBasedOptionsMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfTwoZeroFourZeroFourZeroEightOptionsForReplacementOfUranerzShareBasedOptionsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_IssuanceOfTwoZeroFourZeroFourZeroEightOptionsForReplacementOfUranerzShareBasedOptionsMember" xml:lang="en-US" id="verboseLabel_efr_IssuanceOfTwoZeroFourZeroFourZeroEightOptionsForReplacementOfUranerzShareBasedOptionsMember_en-US">Issuance of 2,040,408 options for replacement of Uranerz share based options [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IssuanceOfTwoZeroFourZeroFourZeroEightOptionsForReplacementOfUranerzShareBasedOptionsMember" xlink:to="label_efr_IssuanceOfTwoZeroFourZeroFourZeroEightOptionsForReplacementOfUranerzShareBasedOptionsMember" use="optional" order="4" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfTwoZeroFourZeroFourZeroEightOptionsForReplacementOfUranerzShareBasedOptionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_IssuanceOfTwoZeroFourZeroFourZeroEightOptionsForReplacementOfUranerzShareBasedOptionsMember" xml:lang="en-US" id="documentation_efr_IssuanceOfTwoZeroFourZeroFourZeroEightOptionsForReplacementOfUranerzShareBasedOptionsMember_en-US">Issuance of 2,040,408 options for replacement of Uranerz share based options</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_UranerzEnergyCorporationMember" xlink:label="UranerzEnergyCorporationMember" xlink:title="UranerzEnergyCorporationMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzEnergyCorporationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_UranerzEnergyCorporationMember" xml:lang="en-US" id="label_efr_UranerzEnergyCorporationMember_en-US">Uranerz Energy Corporation [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UranerzEnergyCorporationMember" xlink:to="label_efr_UranerzEnergyCorporationMember" use="optional" order="5" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzEnergyCorporationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_UranerzEnergyCorporationMember" xml:lang="en-US" id="documentation_efr_UranerzEnergyCorporationMember_en-US">Uranerz Energy Corporation</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued" xml:lang="en-US" id="label_us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_en-US">Purchase Price, Issuance</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned" xlink:label="BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned" xlink:title="BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned" xml:lang="en-US" id="verboseLabel_us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned_en-US">Purchase Price</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned" xlink:to="label_us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned" use="optional" order="2" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_UranerzPurchasePriceAllocationCashAndCashEquivalents" xlink:label="UranerzPurchasePriceAllocationCashAndCashEquivalents" xlink:title="UranerzPurchasePriceAllocationCashAndCashEquivalents"/>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_UranerzPurchasePriceAllocationCashAndCashEquivalents" xml:lang="en-US" id="verboseLabel_efr_UranerzPurchasePriceAllocationCashAndCashEquivalents_en-US">Cash and cash equivalents</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UranerzPurchasePriceAllocationCashAndCashEquivalents" xlink:to="label_efr_UranerzPurchasePriceAllocationCashAndCashEquivalents" use="optional" order="3" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_UranerzPurchasePriceAllocationCashAndCashEquivalents" xml:lang="en-US" id="documentation_efr_UranerzPurchasePriceAllocationCashAndCashEquivalents_en-US">Cash and cash equivalents</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_UranerzPurchasePriceAllocationInventories" xlink:label="UranerzPurchasePriceAllocationInventories" xlink:title="UranerzPurchasePriceAllocationInventories"/>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationInventories" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_UranerzPurchasePriceAllocationInventories" xml:lang="en-US" id="verboseLabel_efr_UranerzPurchasePriceAllocationInventories_en-US">Inventories</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UranerzPurchasePriceAllocationInventories" xlink:to="label_efr_UranerzPurchasePriceAllocationInventories" use="optional" order="4" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationInventories" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_UranerzPurchasePriceAllocationInventories" xml:lang="en-US" id="documentation_efr_UranerzPurchasePriceAllocationInventories_en-US">Inventories</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_UranerzPurchasePriceAllocationPrepaidExpensesAndOtherAssets" xlink:label="UranerzPurchasePriceAllocationPrepaidExpensesAndOtherAssets" xlink:title="UranerzPurchasePriceAllocationPrepaidExpensesAndOtherAssets"/>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationPrepaidExpensesAndOtherAssets" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_UranerzPurchasePriceAllocationPrepaidExpensesAndOtherAssets" xml:lang="en-US" id="verboseLabel_efr_UranerzPurchasePriceAllocationPrepaidExpensesAndOtherAssets_en-US">Prepaid expenses and other assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UranerzPurchasePriceAllocationPrepaidExpensesAndOtherAssets" xlink:to="label_efr_UranerzPurchasePriceAllocationPrepaidExpensesAndOtherAssets" use="optional" order="5" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationPrepaidExpensesAndOtherAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_UranerzPurchasePriceAllocationPrepaidExpensesAndOtherAssets" xml:lang="en-US" id="documentation_efr_UranerzPurchasePriceAllocationPrepaidExpensesAndOtherAssets_en-US">Prepaid expenses and other assets</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_UranerzPurchasePriceAllocationPlantAndEquipment" xlink:label="UranerzPurchasePriceAllocationPlantAndEquipment" xlink:title="UranerzPurchasePriceAllocationPlantAndEquipment"/>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_UranerzPurchasePriceAllocationPlantAndEquipment" xml:lang="en-US" id="verboseLabel_efr_UranerzPurchasePriceAllocationPlantAndEquipment_en-US">Plant and equipment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UranerzPurchasePriceAllocationPlantAndEquipment" xlink:to="label_efr_UranerzPurchasePriceAllocationPlantAndEquipment" use="optional" order="6" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_UranerzPurchasePriceAllocationPlantAndEquipment" xml:lang="en-US" id="documentation_efr_UranerzPurchasePriceAllocationPlantAndEquipment_en-US">Plant and equipment</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_UranerzPurchasePriceAllocationMineralProperties" xlink:label="UranerzPurchasePriceAllocationMineralProperties" xlink:title="UranerzPurchasePriceAllocationMineralProperties"/>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationMineralProperties" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_UranerzPurchasePriceAllocationMineralProperties" xml:lang="en-US" id="verboseLabel_efr_UranerzPurchasePriceAllocationMineralProperties_en-US">Mineral properties</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UranerzPurchasePriceAllocationMineralProperties" xlink:to="label_efr_UranerzPurchasePriceAllocationMineralProperties" use="optional" order="7" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationMineralProperties" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_UranerzPurchasePriceAllocationMineralProperties" xml:lang="en-US" id="documentation_efr_UranerzPurchasePriceAllocationMineralProperties_en-US">Mineral properties</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_UranerzPurchasePriceAllocationIntangibleAssetsCustomerContracts" xlink:label="UranerzPurchasePriceAllocationIntangibleAssetsCustomerContracts" xlink:title="UranerzPurchasePriceAllocationIntangibleAssetsCustomerContracts"/>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationIntangibleAssetsCustomerContracts" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_UranerzPurchasePriceAllocationIntangibleAssetsCustomerContracts" xml:lang="en-US" id="verboseLabel_efr_UranerzPurchasePriceAllocationIntangibleAssetsCustomerContracts_en-US">Intangible assets - customer contracts</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UranerzPurchasePriceAllocationIntangibleAssetsCustomerContracts" xlink:to="label_efr_UranerzPurchasePriceAllocationIntangibleAssetsCustomerContracts" use="optional" order="8" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationIntangibleAssetsCustomerContracts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_UranerzPurchasePriceAllocationIntangibleAssetsCustomerContracts" xml:lang="en-US" id="documentation_efr_UranerzPurchasePriceAllocationIntangibleAssetsCustomerContracts_en-US">Intangible assets - customer contracts</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_UranerzPurchasePriceAllocationRestrictedCash" xlink:label="UranerzPurchasePriceAllocationRestrictedCash" xlink:title="UranerzPurchasePriceAllocationRestrictedCash"/>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationRestrictedCash" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_UranerzPurchasePriceAllocationRestrictedCash" xml:lang="en-US" id="verboseLabel_efr_UranerzPurchasePriceAllocationRestrictedCash_en-US">Restricted cash</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UranerzPurchasePriceAllocationRestrictedCash" xlink:to="label_efr_UranerzPurchasePriceAllocationRestrictedCash" use="optional" order="9" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationRestrictedCash" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_UranerzPurchasePriceAllocationRestrictedCash" xml:lang="en-US" id="documentation_efr_UranerzPurchasePriceAllocationRestrictedCash_en-US">Restricted cash</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_UranerzPurchasePriceAllocationAccountsPayableAndAccruedLiabilities" xlink:label="UranerzPurchasePriceAllocationAccountsPayableAndAccruedLiabilities" xlink:title="UranerzPurchasePriceAllocationAccountsPayableAndAccruedLiabilities"/>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationAccountsPayableAndAccruedLiabilities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_UranerzPurchasePriceAllocationAccountsPayableAndAccruedLiabilities" xml:lang="en-US" id="verboseLabel_efr_UranerzPurchasePriceAllocationAccountsPayableAndAccruedLiabilities_en-US">Accounts payable and accrued liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UranerzPurchasePriceAllocationAccountsPayableAndAccruedLiabilities" xlink:to="label_efr_UranerzPurchasePriceAllocationAccountsPayableAndAccruedLiabilities" use="optional" order="10" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationAccountsPayableAndAccruedLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_UranerzPurchasePriceAllocationAccountsPayableAndAccruedLiabilities" xml:lang="en-US" id="documentation_efr_UranerzPurchasePriceAllocationAccountsPayableAndAccruedLiabilities_en-US">Accounts payable and accrued liabilities</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_UranerzPurchasePriceAllocationLoansAndBorrowings" xlink:label="UranerzPurchasePriceAllocationLoansAndBorrowings" xlink:title="UranerzPurchasePriceAllocationLoansAndBorrowings"/>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationLoansAndBorrowings" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_UranerzPurchasePriceAllocationLoansAndBorrowings" xml:lang="en-US" id="verboseLabel_efr_UranerzPurchasePriceAllocationLoansAndBorrowings_en-US">Loans and borrowings</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UranerzPurchasePriceAllocationLoansAndBorrowings" xlink:to="label_efr_UranerzPurchasePriceAllocationLoansAndBorrowings" use="optional" order="11" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationLoansAndBorrowings" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_UranerzPurchasePriceAllocationLoansAndBorrowings" xml:lang="en-US" id="documentation_efr_UranerzPurchasePriceAllocationLoansAndBorrowings_en-US">Loans and borrowings</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_UranerzPurchasePriceAllocationAssetRetirementObligation" xlink:label="UranerzPurchasePriceAllocationAssetRetirementObligation" xlink:title="UranerzPurchasePriceAllocationAssetRetirementObligation"/>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationAssetRetirementObligation" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_UranerzPurchasePriceAllocationAssetRetirementObligation" xml:lang="en-US" id="verboseLabel_efr_UranerzPurchasePriceAllocationAssetRetirementObligation_en-US">Asset retirement obligation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UranerzPurchasePriceAllocationAssetRetirementObligation" xlink:to="label_efr_UranerzPurchasePriceAllocationAssetRetirementObligation" use="optional" order="12" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationAssetRetirementObligation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_UranerzPurchasePriceAllocationAssetRetirementObligation" xml:lang="en-US" id="documentation_efr_UranerzPurchasePriceAllocationAssetRetirementObligation_en-US">Asset retirement obligation</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_UranerzPurchasePriceAllocationNonControllingInterest" xlink:label="UranerzPurchasePriceAllocationNonControllingInterest" xlink:title="UranerzPurchasePriceAllocationNonControllingInterest"/>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationNonControllingInterest" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_UranerzPurchasePriceAllocationNonControllingInterest" xml:lang="en-US" id="verboseLabel_efr_UranerzPurchasePriceAllocationNonControllingInterest_en-US">Non-controlling interest</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UranerzPurchasePriceAllocationNonControllingInterest" xlink:to="label_efr_UranerzPurchasePriceAllocationNonControllingInterest" use="optional" order="13" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationNonControllingInterest" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_UranerzPurchasePriceAllocationNonControllingInterest" xml:lang="en-US" id="documentation_efr_UranerzPurchasePriceAllocationNonControllingInterest_en-US">Non-controlling interest</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_UranerzPurchasePriceAllocationGoodwill" xlink:label="UranerzPurchasePriceAllocationGoodwill" xlink:title="UranerzPurchasePriceAllocationGoodwill"/>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationGoodwill" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_UranerzPurchasePriceAllocationGoodwill" xml:lang="en-US" id="verboseLabel_efr_UranerzPurchasePriceAllocationGoodwill_en-US">Goodwill</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UranerzPurchasePriceAllocationGoodwill" xlink:to="label_efr_UranerzPurchasePriceAllocationGoodwill" use="optional" order="14" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationGoodwill" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_UranerzPurchasePriceAllocationGoodwill" xml:lang="en-US" id="documentation_efr_UranerzPurchasePriceAllocationGoodwill_en-US">Goodwill</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_PaymentsToAcquireBusinessesGross" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_PaymentsToAcquireBusinessesGross" xml:lang="en-US" id="label_us-gaap_PaymentsToAcquireBusinessesGross_en-US">Total purchase consideration</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_TradeReceivablesMineralConcentrateSalesMember" xlink:label="TradeReceivablesMineralConcentrateSalesMember" xlink:title="TradeReceivablesMineralConcentrateSalesMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_TradeReceivablesMineralConcentrateSalesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_TradeReceivablesMineralConcentrateSalesMember" xml:lang="en-US" id="verboseLabel_efr_TradeReceivablesMineralConcentrateSalesMember_en-US">Trade receivables - mineral concentrate sales [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TradeReceivablesMineralConcentrateSalesMember" xlink:to="label_efr_TradeReceivablesMineralConcentrateSalesMember" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_TradeReceivablesMineralConcentrateSalesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_TradeReceivablesMineralConcentrateSalesMember" xml:lang="en-US" id="documentation_efr_TradeReceivablesMineralConcentrateSalesMember_en-US">Trade receivables - mineral concentrate sales</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_TradeReceivablesOtherMember" xlink:label="TradeReceivablesOtherMember" xlink:title="TradeReceivablesOtherMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_TradeReceivablesOtherMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_TradeReceivablesOtherMember" xml:lang="en-US" id="verboseLabel_efr_TradeReceivablesOtherMember_en-US">Trade receivables - other [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TradeReceivablesOtherMember" xlink:to="label_efr_TradeReceivablesOtherMember" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_TradeReceivablesOtherMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_TradeReceivablesOtherMember" xml:lang="en-US" id="documentation_efr_TradeReceivablesOtherMember_en-US">Trade receivables - other</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_NotesReceivableAndOtherMember" xlink:label="NotesReceivableAndOtherMember" xlink:title="NotesReceivableAndOtherMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_NotesReceivableAndOtherMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_NotesReceivableAndOtherMember" xml:lang="en-US" id="label_efr_NotesReceivableAndOtherMember_en-US">Notes receivable and other [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NotesReceivableAndOtherMember" xlink:to="label_efr_NotesReceivableAndOtherMember" use="optional" order="3" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_NotesReceivableAndOtherMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_NotesReceivableAndOtherMember" xml:lang="en-US" id="documentation_efr_NotesReceivableAndOtherMember_en-US">Notes receivable and other</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="AccountsReceivableNetCurrent" xlink:title="AccountsReceivableNetCurrent"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AccountsReceivableNetCurrent" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_AccountsReceivableNetCurrent" xml:lang="en-US" id="verboseLabel_us-gaap_AccountsReceivableNetCurrent_en-US">Accounts Receivable, Net, Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccountsReceivableNetCurrent" xlink:to="label_us-gaap_AccountsReceivableNetCurrent" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InventoryWorkInProcess" xlink:label="InventoryWorkInProcess" xlink:title="InventoryWorkInProcess"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_InventoryWorkInProcess" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_InventoryWorkInProcess" xml:lang="en-US" id="verboseLabel_us-gaap_InventoryWorkInProcess_en-US">Concentrates and work-in-progress</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryWorkInProcess" xlink:to="label_us-gaap_InventoryWorkInProcess" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_InventoryOfOreInStockpiles" xlink:label="InventoryOfOreInStockpiles" xlink:title="InventoryOfOreInStockpiles"/>
    <link:label xlink:type="resource" xlink:label="label_efr_InventoryOfOreInStockpiles" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_InventoryOfOreInStockpiles" xml:lang="en-US" id="verboseLabel_efr_InventoryOfOreInStockpiles_en-US">Inventory of ore in stockpiles</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryOfOreInStockpiles" xlink:to="label_efr_InventoryOfOreInStockpiles" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_InventoryOfOreInStockpiles" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_InventoryOfOreInStockpiles" xml:lang="en-US" id="documentation_efr_InventoryOfOreInStockpiles_en-US">Inventory of ore in stockpiles</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InventoryRawMaterials" xlink:label="InventoryRawMaterials" xlink:title="InventoryRawMaterials"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_InventoryRawMaterials" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_InventoryRawMaterials" xml:lang="en-US" id="verboseLabel_us-gaap_InventoryRawMaterials_en-US">Raw materials and consumables</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryRawMaterials" xlink:to="label_us-gaap_InventoryRawMaterials" use="optional" order="3" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_InventoryNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_InventoryNet" xml:lang="en-US" id="label_us-gaap_InventoryNet_en-US">Inventory, Net</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_InventoryCurrent" xlink:label="InventoryCurrent" xlink:title="InventoryCurrent"/>
    <link:label xlink:type="resource" xlink:label="label_efr_InventoryCurrent" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_InventoryCurrent" xml:lang="en-US" id="verboseLabel_efr_InventoryCurrent_en-US">Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryCurrent" xlink:to="label_efr_InventoryCurrent" use="optional" order="5" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_InventoryCurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_InventoryCurrent" xml:lang="en-US" id="documentation_efr_InventoryCurrent_en-US">Current</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_InventoryNoncurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_InventoryNoncurrent" xml:lang="en-US" id="terseLabel_us-gaap_InventoryNoncurrent_en-US">Long-term - ore in stockpiles</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_SalesContractsCost" xlink:label="SalesContractsCost" xlink:title="SalesContractsCost"/>
    <link:label xlink:type="resource" xlink:label="label_efr_SalesContractsCost" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:title="label_efr_SalesContractsCost" xml:lang="en-US" id="periodStartLabel_efr_SalesContractsCost_en-US">Balance at beginning of period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SalesContractsCost" xlink:to="label_efr_SalesContractsCost" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_SalesContractsCost" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_SalesContractsCost" xml:lang="en-US" id="documentation_efr_SalesContractsCost_en-US">Balance at beginning of period</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_SalesContractsAcquiredInTheAcquisitionOfUranerz" xlink:label="SalesContractsAcquiredInTheAcquisitionOfUranerz" xlink:title="SalesContractsAcquiredInTheAcquisitionOfUranerz"/>
    <link:label xlink:type="resource" xlink:label="label_efr_SalesContractsAcquiredInTheAcquisitionOfUranerz" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_SalesContractsAcquiredInTheAcquisitionOfUranerz" xml:lang="en-US" id="verboseLabel_efr_SalesContractsAcquiredInTheAcquisitionOfUranerz_en-US">Sales contracts acquired in the acquisition of Uranerz</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SalesContractsAcquiredInTheAcquisitionOfUranerz" xlink:to="label_efr_SalesContractsAcquiredInTheAcquisitionOfUranerz" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_SalesContractsAcquiredInTheAcquisitionOfUranerz" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_SalesContractsAcquiredInTheAcquisitionOfUranerz" xml:lang="en-US" id="documentation_efr_SalesContractsAcquiredInTheAcquisitionOfUranerz_en-US">Sales contracts acquired in the acquisition of Uranerz</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_SalesContractsCost" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:title="label_efr_SalesContractsCost" xml:lang="en-US" id="periodEndLabel_efr_SalesContractsCost_en-US">Balance, end of period</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:title="FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:title="label_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xml:lang="en-US" id="periodStartLabel_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_en-US">Accumulated amortization, beginning of period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:to="label_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" use="optional" order="4" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherDepreciationAndAmortization" xlink:label="OtherDepreciationAndAmortization" xlink:title="OtherDepreciationAndAmortization"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OtherDepreciationAndAmortization" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_OtherDepreciationAndAmortization" xml:lang="en-US" id="verboseLabel_us-gaap_OtherDepreciationAndAmortization_en-US">Amortization of sales contracts</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherDepreciationAndAmortization" xlink:to="label_us-gaap_OtherDepreciationAndAmortization" use="optional" order="5" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:title="label_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xml:lang="en-US" id="periodEndLabel_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_en-US">Accumulated amortization, end of period</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_IntangibleAssetsNetExcludingGoodwill" xml:lang="en-US" id="terseLabel_us-gaap_IntangibleAssetsNetExcludingGoodwill_en-US">Net book value</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_EquipmentAndOtherMember" xlink:label="EquipmentAndOtherMember" xlink:title="EquipmentAndOtherMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_EquipmentAndOtherMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_EquipmentAndOtherMember" xml:lang="en-US" id="label_efr_EquipmentAndOtherMember_en-US">Equipment and other [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EquipmentAndOtherMember" xlink:to="label_efr_EquipmentAndOtherMember" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_EquipmentAndOtherMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_EquipmentAndOtherMember" xml:lang="en-US" id="documentation_efr_EquipmentAndOtherMember_en-US">Equipment and other</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross" xlink:label="PropertyPlantAndEquipmentGross" xlink:title="PropertyPlantAndEquipmentGross"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_PropertyPlantAndEquipmentGross" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_PropertyPlantAndEquipmentGross" xml:lang="en-US" id="verboseLabel_us-gaap_PropertyPlantAndEquipmentGross_en-US">Property, Plant and Equipment, Gross</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentGross" xlink:to="label_us-gaap_PropertyPlantAndEquipmentGross" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:title="AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xml:lang="en-US" id="negatedLabel_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_en-US">Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:to="label_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_PropertyPlantAndEquipmentNet" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_PropertyPlantAndEquipmentNet" xml:lang="en-US" id="verboseLabel_us-gaap_PropertyPlantAndEquipmentNet_en-US">Property, Plant and Equipment, Net</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_UranerzISRPropertiesMember" xlink:label="UranerzISRPropertiesMember" xlink:title="UranerzISRPropertiesMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzISRPropertiesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_UranerzISRPropertiesMember" xml:lang="en-US" id="verboseLabel_efr_UranerzISRPropertiesMember_en-US">Uranerz ISR properties [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UranerzISRPropertiesMember" xlink:to="label_efr_UranerzISRPropertiesMember" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzISRPropertiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_UranerzISRPropertiesMember" xml:lang="en-US" id="documentation_efr_UranerzISRPropertiesMember_en-US">Uranerz ISR properties</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_InsituRecoveryTotalMember" xlink:label="InsituRecoveryTotalMember" xlink:title="InsituRecoveryTotalMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_InsituRecoveryTotalMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_InsituRecoveryTotalMember" xml:lang="en-US" id="verboseLabel_efr_InsituRecoveryTotalMember_en-US">In-situ Recovery total [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InsituRecoveryTotalMember" xlink:to="label_efr_InsituRecoveryTotalMember" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_InsituRecoveryTotalMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_InsituRecoveryTotalMember" xml:lang="en-US" id="documentation_efr_InsituRecoveryTotalMember_en-US">In-situ Recovery total</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_SheepMountainMember" xlink:label="SheepMountainMember" xlink:title="SheepMountainMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_SheepMountainMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_SheepMountainMember" xml:lang="en-US" id="label_efr_SheepMountainMember_en-US">Sheep Mountain [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SheepMountainMember" xlink:to="label_efr_SheepMountainMember" use="optional" order="3" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_SheepMountainMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_SheepMountainMember" xml:lang="en-US" id="documentation_efr_SheepMountainMember_en-US">Sheep Mountain</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_ConventionalTotalMember" xlink:label="ConventionalTotalMember" xlink:title="ConventionalTotalMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_ConventionalTotalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_ConventionalTotalMember" xml:lang="en-US" id="label_efr_ConventionalTotalMember_en-US">Conventional total [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConventionalTotalMember" xlink:to="label_efr_ConventionalTotalMember" use="optional" order="6" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_ConventionalTotalMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_ConventionalTotalMember" xml:lang="en-US" id="documentation_efr_ConventionalTotalMember_en-US">Conventional total</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_MineralPropertiesNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_MineralPropertiesNet" xml:lang="en-US" id="terseLabel_us-gaap_MineralPropertiesNet_en-US">Mineral Properties total</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AssetRetirementObligation" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:title="label_us-gaap_AssetRetirementObligation" xml:lang="en-US" id="periodStartLabel_us-gaap_AssetRetirementObligation_en-US">Asset retirement obligation, beginning of period</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_RevisionOfEstimate" xlink:label="RevisionOfEstimate" xlink:title="RevisionOfEstimate"/>
    <link:label xlink:type="resource" xlink:label="label_efr_RevisionOfEstimate" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_RevisionOfEstimate" xml:lang="en-US" id="verboseLabel_efr_RevisionOfEstimate_en-US">Revision of estimate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RevisionOfEstimate" xlink:to="label_efr_RevisionOfEstimate" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_RevisionOfEstimate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_RevisionOfEstimate" xml:lang="en-US" id="documentation_efr_RevisionOfEstimate_en-US">Revision of estimate</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_AcquisitionOfUranerz" xlink:label="AcquisitionOfUranerz" xlink:title="AcquisitionOfUranerz"/>
    <link:label xlink:type="resource" xlink:label="label_efr_AcquisitionOfUranerz" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_AcquisitionOfUranerz" xml:lang="en-US" id="verboseLabel_efr_AcquisitionOfUranerz_en-US">Acquisition of Uranerz</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AcquisitionOfUranerz" xlink:to="label_efr_AcquisitionOfUranerz" use="optional" order="3" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_AcquisitionOfUranerz" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_AcquisitionOfUranerz" xml:lang="en-US" id="documentation_efr_AcquisitionOfUranerz_en-US">Acquisition of Uranerz</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetRetirementObligationLiabilitiesIncurred" xlink:label="AssetRetirementObligationLiabilitiesIncurred" xlink:title="AssetRetirementObligationLiabilitiesIncurred"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AssetRetirementObligationLiabilitiesIncurred" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_AssetRetirementObligationLiabilitiesIncurred" xml:lang="en-US" id="verboseLabel_us-gaap_AssetRetirementObligationLiabilitiesIncurred_en-US">Transfer of liability associated with the sale of mining assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetRetirementObligationLiabilitiesIncurred" xlink:to="label_us-gaap_AssetRetirementObligationLiabilitiesIncurred" use="optional" order="4" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AssetRetirementObligationAccretionExpense" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_AssetRetirementObligationAccretionExpense" xml:lang="en-US" id="verboseLabel_us-gaap_AssetRetirementObligationAccretionExpense_en-US">Accretion of liabilities</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_AssetRetirementObligationLiabilitiesSettled" xlink:label="AssetRetirementObligationLiabilitiesSettled" xlink:title="AssetRetirementObligationLiabilitiesSettled"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AssetRetirementObligationLiabilitiesSettled" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_us-gaap_AssetRetirementObligationLiabilitiesSettled" xml:lang="en-US" id="negatedLabel_us-gaap_AssetRetirementObligationLiabilitiesSettled_en-US">Settlements</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetRetirementObligationLiabilitiesSettled" xlink:to="label_us-gaap_AssetRetirementObligationLiabilitiesSettled" use="optional" order="6" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AssetRetirementObligationCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_AssetRetirementObligationCurrent" xml:lang="en-US" id="terseLabel_us-gaap_AssetRetirementObligationCurrent_en-US">Current</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AssetRetirementObligationsNoncurrent" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_AssetRetirementObligationsNoncurrent" xml:lang="en-US" id="verboseLabel_us-gaap_AssetRetirementObligationsNoncurrent_en-US">Non-current</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AssetRetirementObligation" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:title="label_us-gaap_AssetRetirementObligation" xml:lang="en-US" id="periodEndLabel_us-gaap_AssetRetirementObligation_en-US">Asset retirement obligation, end of period</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalents" xlink:label="RestrictedCashAndCashEquivalents" xlink:title="RestrictedCashAndCashEquivalents"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_RestrictedCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:title="label_us-gaap_RestrictedCashAndCashEquivalents" xml:lang="en-US" id="periodStartLabel_us-gaap_RestrictedCashAndCashEquivalents_en-US">Restricted cash, beginning of period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RestrictedCashAndCashEquivalents" xlink:to="label_us-gaap_RestrictedCashAndCashEquivalents" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_RestrictedCashFromAcquisitions" xlink:label="RestrictedCashFromAcquisitions" xlink:title="RestrictedCashFromAcquisitions"/>
    <link:label xlink:type="resource" xlink:label="label_efr_RestrictedCashFromAcquisitions" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_RestrictedCashFromAcquisitions" xml:lang="en-US" id="verboseLabel_efr_RestrictedCashFromAcquisitions_en-US">Restricted cash from acquisitions</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RestrictedCashFromAcquisitions" xlink:to="label_efr_RestrictedCashFromAcquisitions" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_RestrictedCashFromAcquisitions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_RestrictedCashFromAcquisitions" xml:lang="en-US" id="documentation_efr_RestrictedCashFromAcquisitions_en-US">Restricted cash from acquisitions</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_RefundsAndReturnsForThePeriod" xlink:label="RefundsAndReturnsForThePeriod" xlink:title="RefundsAndReturnsForThePeriod"/>
    <link:label xlink:type="resource" xlink:label="label_efr_RefundsAndReturnsForThePeriod" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_RefundsAndReturnsForThePeriod" xml:lang="en-US" id="verboseLabel_efr_RefundsAndReturnsForThePeriod_en-US">Refunds and returns for the period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RefundsAndReturnsForThePeriod" xlink:to="label_efr_RefundsAndReturnsForThePeriod" use="optional" order="3" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_RefundsAndReturnsForThePeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_RefundsAndReturnsForThePeriod" xml:lang="en-US" id="documentation_efr_RefundsAndReturnsForThePeriod_en-US">Refunds and returns for the period</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_RestrictedCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:title="label_us-gaap_RestrictedCashAndCashEquivalents" xml:lang="en-US" id="periodEndLabel_us-gaap_RestrictedCashAndCashEquivalents_en-US">Restricted cash, end of period</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SecuredDebtCurrent" xlink:label="SecuredDebtCurrent" xlink:title="SecuredDebtCurrent"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_SecuredDebtCurrent" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_SecuredDebtCurrent" xml:lang="en-US" id="verboseLabel_us-gaap_SecuredDebtCurrent_en-US">Secured note</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SecuredDebtCurrent" xlink:to="label_us-gaap_SecuredDebtCurrent" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_WyomingIndustrialDevelopmentRevenueBondLoanCurrent" xlink:label="WyomingIndustrialDevelopmentRevenueBondLoanCurrent" xlink:title="WyomingIndustrialDevelopmentRevenueBondLoanCurrent"/>
    <link:label xlink:type="resource" xlink:label="label_efr_WyomingIndustrialDevelopmentRevenueBondLoanCurrent" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_WyomingIndustrialDevelopmentRevenueBondLoanCurrent" xml:lang="en-US" id="verboseLabel_efr_WyomingIndustrialDevelopmentRevenueBondLoanCurrent_en-US">Wyoming Industrial Development Revenue Bond Loan Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WyomingIndustrialDevelopmentRevenueBondLoanCurrent" xlink:to="label_efr_WyomingIndustrialDevelopmentRevenueBondLoanCurrent" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_WyomingIndustrialDevelopmentRevenueBondLoanCurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_WyomingIndustrialDevelopmentRevenueBondLoanCurrent" xml:lang="en-US" id="documentation_efr_WyomingIndustrialDevelopmentRevenueBondLoanCurrent_en-US">Wyoming Industrial Development Revenue Bond Loan Current</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_FinanceLeasesAndOther" xlink:label="FinanceLeasesAndOther" xlink:title="FinanceLeasesAndOther"/>
    <link:label xlink:type="resource" xlink:label="label_efr_FinanceLeasesAndOther" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_FinanceLeasesAndOther" xml:lang="en-US" id="verboseLabel_efr_FinanceLeasesAndOther_en-US">Finance leases and other Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FinanceLeasesAndOther" xlink:to="label_efr_FinanceLeasesAndOther" use="optional" order="3" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_FinanceLeasesAndOther" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_FinanceLeasesAndOther" xml:lang="en-US" id="documentation_efr_FinanceLeasesAndOther_en-US">Finance leases and other Current</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConvertibleLongTermNotesPayable" xlink:label="ConvertibleLongTermNotesPayable" xlink:title="ConvertibleLongTermNotesPayable"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ConvertibleLongTermNotesPayable" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_ConvertibleLongTermNotesPayable" xml:lang="en-US" id="verboseLabel_us-gaap_ConvertibleLongTermNotesPayable_en-US">Convertible debentures</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConvertibleLongTermNotesPayable" xlink:to="label_us-gaap_ConvertibleLongTermNotesPayable" use="optional" order="5" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SecuredLongTermDebt" xlink:label="SecuredLongTermDebt" xlink:title="SecuredLongTermDebt"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_SecuredLongTermDebt" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_SecuredLongTermDebt" xml:lang="en-US" id="verboseLabel_us-gaap_SecuredLongTermDebt_en-US">Secured note</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SecuredLongTermDebt" xlink:to="label_us-gaap_SecuredLongTermDebt" use="optional" order="6" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_WyomingIndustrialDevelopmentRevenueBondLoanNoncurrent" xlink:label="WyomingIndustrialDevelopmentRevenueBondLoanNoncurrent" xlink:title="WyomingIndustrialDevelopmentRevenueBondLoanNoncurrent"/>
    <link:label xlink:type="resource" xlink:label="label_efr_WyomingIndustrialDevelopmentRevenueBondLoanNoncurrent" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_WyomingIndustrialDevelopmentRevenueBondLoanNoncurrent" xml:lang="en-US" id="verboseLabel_efr_WyomingIndustrialDevelopmentRevenueBondLoanNoncurrent_en-US">Wyoming Industrial Development Revenue Bond Loan Noncurrent</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WyomingIndustrialDevelopmentRevenueBondLoanNoncurrent" xlink:to="label_efr_WyomingIndustrialDevelopmentRevenueBondLoanNoncurrent" use="optional" order="7" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_WyomingIndustrialDevelopmentRevenueBondLoanNoncurrent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_WyomingIndustrialDevelopmentRevenueBondLoanNoncurrent" xml:lang="en-US" id="documentation_efr_WyomingIndustrialDevelopmentRevenueBondLoanNoncurrent_en-US">Wyoming Industrial Development Revenue Bond Loan Noncurrent</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherLongTermDebtNoncurrent" xlink:label="OtherLongTermDebtNoncurrent" xlink:title="OtherLongTermDebtNoncurrent"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OtherLongTermDebtNoncurrent" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_OtherLongTermDebtNoncurrent" xml:lang="en-US" id="verboseLabel_us-gaap_OtherLongTermDebtNoncurrent_en-US">Finance leases and other Noncurrent</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherLongTermDebtNoncurrent" xlink:to="label_us-gaap_OtherLongTermDebtNoncurrent" use="optional" order="8" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_LongTermDebt" xlink:label="LongTermDebt" xlink:title="LongTermDebt"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_LongTermDebt" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_LongTermDebt" xml:lang="en-US" id="verboseLabel_us-gaap_LongTermDebt_en-US">Total long-term loans and borrowings</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LongTermDebt" xlink:to="label_us-gaap_LongTermDebt" use="optional" order="9" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="DebtInstrumentAxis" xlink:title="DebtInstrumentAxis"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DebtInstrumentAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_DebtInstrumentAxis" xml:lang="en-US" id="label_us-gaap_DebtInstrumentAxis_en-US">Debt Instrument [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentAxis" xlink:to="label_us-gaap_DebtInstrumentAxis" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="DebtInstrumentNameDomain" xlink:title="DebtInstrumentNameDomain"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DebtInstrumentNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_DebtInstrumentNameDomain" xml:lang="en-US" id="label_us-gaap_DebtInstrumentNameDomain_en-US">Debt Instrument, Name [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentNameDomain" xlink:to="label_us-gaap_DebtInstrumentNameDomain" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ConvertibleDebtMember" xlink:label="ConvertibleDebtMember" xlink:title="ConvertibleDebtMember"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ConvertibleDebtMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ConvertibleDebtMember" xml:lang="en-US" id="label_us-gaap_ConvertibleDebtMember_en-US">Convertible debentures [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConvertibleDebtMember" xlink:to="label_us-gaap_ConvertibleDebtMember" use="optional" order="2" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SecuredDebtMember" xlink:label="SecuredDebtMember" xlink:title="SecuredDebtMember"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_SecuredDebtMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_SecuredDebtMember" xml:lang="en-US" id="label_us-gaap_SecuredDebtMember_en-US">Secured note [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SecuredDebtMember" xlink:to="label_us-gaap_SecuredDebtMember" use="optional" order="3" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_WyomingIndustrialDevelopmentRevenueBondLoanMember" xlink:label="WyomingIndustrialDevelopmentRevenueBondLoanMember" xlink:title="WyomingIndustrialDevelopmentRevenueBondLoanMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_WyomingIndustrialDevelopmentRevenueBondLoanMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_WyomingIndustrialDevelopmentRevenueBondLoanMember" xml:lang="en-US" id="label_efr_WyomingIndustrialDevelopmentRevenueBondLoanMember_en-US">Wyoming Industrial Development Revenue Bond loan [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WyomingIndustrialDevelopmentRevenueBondLoanMember" xlink:to="label_efr_WyomingIndustrialDevelopmentRevenueBondLoanMember" use="optional" order="4" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_WyomingIndustrialDevelopmentRevenueBondLoanMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_WyomingIndustrialDevelopmentRevenueBondLoanMember" xml:lang="en-US" id="documentation_efr_WyomingIndustrialDevelopmentRevenueBondLoanMember_en-US">Wyoming Industrial Development Revenue Bond loan</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_FinanceLeasesAndOtherMember" xlink:label="FinanceLeasesAndOtherMember" xlink:title="FinanceLeasesAndOtherMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_FinanceLeasesAndOtherMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_FinanceLeasesAndOtherMember" xml:lang="en-US" id="label_efr_FinanceLeasesAndOtherMember_en-US">Finance leases and other [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FinanceLeasesAndOtherMember" xlink:to="label_efr_FinanceLeasesAndOtherMember" use="optional" order="5" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_FinanceLeasesAndOtherMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_FinanceLeasesAndOtherMember" xml:lang="en-US" id="documentation_efr_FinanceLeasesAndOtherMember_en-US">Finance leases and other</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_DebtInstrumentInterestRateStatedPercentage" xml:lang="en-US" id="verboseLabel_us-gaap_DebtInstrumentInterestRateStatedPercentage_en-US">Debt Instrument, Interest Rate, Stated Percentage</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="DebtInstrumentFaceAmount" xlink:title="DebtInstrumentFaceAmount"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DebtInstrumentFaceAmount" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_DebtInstrumentFaceAmount" xml:lang="en-US" id="verboseLabel_us-gaap_DebtInstrumentFaceAmount_en-US">Face value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentFaceAmount" xlink:to="label_us-gaap_DebtInstrumentFaceAmount" use="optional" order="2" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent" xlink:label="DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent" xlink:title="DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent" xml:lang="en-US" id="verboseLabel_us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent_en-US">Debt Instrument, Convertible, Carrying Amount of Equity Component</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent" xlink:to="label_us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent" use="optional" order="3" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ClassOfWarrantOrRightAxis" xlink:label="ClassOfWarrantOrRightAxis" xlink:title="ClassOfWarrantOrRightAxis"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ClassOfWarrantOrRightAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ClassOfWarrantOrRightAxis" xml:lang="en-US" id="label_us-gaap_ClassOfWarrantOrRightAxis_en-US">Class of Warrant or Right [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClassOfWarrantOrRightAxis" xlink:to="label_us-gaap_ClassOfWarrantOrRightAxis" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ClassOfWarrantOrRightDomain" xlink:label="ClassOfWarrantOrRightDomain" xlink:title="ClassOfWarrantOrRightDomain"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ClassOfWarrantOrRightDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ClassOfWarrantOrRightDomain" xml:lang="en-US" id="label_us-gaap_ClassOfWarrantOrRightDomain_en-US">Class of Warrant or Right [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClassOfWarrantOrRightDomain" xlink:to="label_us-gaap_ClassOfWarrantOrRightDomain" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_JuneTwoTwoTwoZeroOneSixExpiryDateMember" xlink:label="JuneTwoTwoTwoZeroOneSixExpiryDateMember" xlink:title="JuneTwoTwoTwoZeroOneSixExpiryDateMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_JuneTwoTwoTwoZeroOneSixExpiryDateMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_JuneTwoTwoTwoZeroOneSixExpiryDateMember" xml:lang="en-US" id="verboseLabel_efr_JuneTwoTwoTwoZeroOneSixExpiryDateMember_en-US">June 22, 2016 Expiry Date [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="JuneTwoTwoTwoZeroOneSixExpiryDateMember" xlink:to="label_efr_JuneTwoTwoTwoZeroOneSixExpiryDateMember" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_JuneTwoTwoTwoZeroOneSixExpiryDateMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_JuneTwoTwoTwoZeroOneSixExpiryDateMember" xml:lang="en-US" id="documentation_efr_JuneTwoTwoTwoZeroOneSixExpiryDateMember_en-US">June 22, 2016 Expiry Date</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_JuneOneFiveTwoZeroOneSixExpiryDateMember" xlink:label="JuneOneFiveTwoZeroOneSixExpiryDateMember" xlink:title="JuneOneFiveTwoZeroOneSixExpiryDateMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_JuneOneFiveTwoZeroOneSixExpiryDateMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_JuneOneFiveTwoZeroOneSixExpiryDateMember" xml:lang="en-US" id="verboseLabel_efr_JuneOneFiveTwoZeroOneSixExpiryDateMember_en-US">June 15, 2016 Expiry Date [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="JuneOneFiveTwoZeroOneSixExpiryDateMember" xlink:to="label_efr_JuneOneFiveTwoZeroOneSixExpiryDateMember" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_JuneOneFiveTwoZeroOneSixExpiryDateMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_JuneOneFiveTwoZeroOneSixExpiryDateMember" xml:lang="en-US" id="documentation_efr_JuneOneFiveTwoZeroOneSixExpiryDateMember_en-US">June 15, 2016 Expiry Date</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_MarchFiveTwoZeroOneSixExpiryDateMember" xlink:label="MarchFiveTwoZeroOneSixExpiryDateMember" xlink:title="MarchFiveTwoZeroOneSixExpiryDateMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_MarchFiveTwoZeroOneSixExpiryDateMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_MarchFiveTwoZeroOneSixExpiryDateMember" xml:lang="en-US" id="verboseLabel_efr_MarchFiveTwoZeroOneSixExpiryDateMember_en-US">March 5, 2016 Expiry Date [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MarchFiveTwoZeroOneSixExpiryDateMember" xlink:to="label_efr_MarchFiveTwoZeroOneSixExpiryDateMember" use="optional" order="3" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_MarchFiveTwoZeroOneSixExpiryDateMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_MarchFiveTwoZeroOneSixExpiryDateMember" xml:lang="en-US" id="documentation_efr_MarchFiveTwoZeroOneSixExpiryDateMember_en-US">March 5, 2016 Expiry Date</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_JanuaryTwoFiveTwoZeroOneSevenExpiryDateMember" xlink:label="JanuaryTwoFiveTwoZeroOneSevenExpiryDateMember" xlink:title="JanuaryTwoFiveTwoZeroOneSevenExpiryDateMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_JanuaryTwoFiveTwoZeroOneSevenExpiryDateMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_JanuaryTwoFiveTwoZeroOneSevenExpiryDateMember" xml:lang="en-US" id="verboseLabel_efr_JanuaryTwoFiveTwoZeroOneSevenExpiryDateMember_en-US">January 25, 2017 Expiry Date [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="JanuaryTwoFiveTwoZeroOneSevenExpiryDateMember" xlink:to="label_efr_JanuaryTwoFiveTwoZeroOneSevenExpiryDateMember" use="optional" order="6" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_JanuaryTwoFiveTwoZeroOneSevenExpiryDateMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_JanuaryTwoFiveTwoZeroOneSevenExpiryDateMember" xml:lang="en-US" id="documentation_efr_JanuaryTwoFiveTwoZeroOneSevenExpiryDateMember_en-US">January 25, 2017 Expiry Date</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_MarchOneFourTwoZeroOneNineExpiryDateMember" xlink:label="MarchOneFourTwoZeroOneNineExpiryDateMember" xlink:title="MarchOneFourTwoZeroOneNineExpiryDateMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_MarchOneFourTwoZeroOneNineExpiryDateMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_MarchOneFourTwoZeroOneNineExpiryDateMember" xml:lang="en-US" id="verboseLabel_efr_MarchOneFourTwoZeroOneNineExpiryDateMember_en-US">March 14, 2019 Expiry Date [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MarchOneFourTwoZeroOneNineExpiryDateMember" xlink:to="label_efr_MarchOneFourTwoZeroOneNineExpiryDateMember" use="optional" order="7" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_MarchOneFourTwoZeroOneNineExpiryDateMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_MarchOneFourTwoZeroOneNineExpiryDateMember" xml:lang="en-US" id="documentation_efr_MarchOneFourTwoZeroOneNineExpiryDateMember_en-US">March 14, 2019 Expiry Date</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_ClassOfWarrantOrRightOutstandingWeightedAverageExercisePrice" xlink:label="ClassOfWarrantOrRightOutstandingWeightedAverageExercisePrice" xlink:title="ClassOfWarrantOrRightOutstandingWeightedAverageExercisePrice"/>
    <link:label xlink:type="resource" xlink:label="label_efr_ClassOfWarrantOrRightOutstandingWeightedAverageExercisePrice" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_ClassOfWarrantOrRightOutstandingWeightedAverageExercisePrice" xml:lang="en-US" id="verboseLabel_efr_ClassOfWarrantOrRightOutstandingWeightedAverageExercisePrice_en-US">Exercise Price</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClassOfWarrantOrRightOutstandingWeightedAverageExercisePrice" xlink:to="label_efr_ClassOfWarrantOrRightOutstandingWeightedAverageExercisePrice" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_ClassOfWarrantOrRightOutstandingWeightedAverageExercisePrice" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_ClassOfWarrantOrRightOutstandingWeightedAverageExercisePrice" xml:lang="en-US" id="documentation_efr_ClassOfWarrantOrRightOutstandingWeightedAverageExercisePrice_en-US">Exercise Price</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ClassOfWarrantOrRightOutstanding" xlink:label="ClassOfWarrantOrRightOutstanding" xlink:title="ClassOfWarrantOrRightOutstanding"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ClassOfWarrantOrRightOutstanding" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_ClassOfWarrantOrRightOutstanding" xml:lang="en-US" id="verboseLabel_us-gaap_ClassOfWarrantOrRightOutstanding_en-US">Warrants Outstanding</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ClassOfWarrantOrRightOutstanding" xlink:to="label_us-gaap_ClassOfWarrantOrRightOutstanding" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_ClassOfWarrantOrRightGrantsInPeriodValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_efr_ClassOfWarrantOrRightGrantsInPeriodValue" xml:lang="en-US" id="terseLabel_efr_ClassOfWarrantOrRightGrantsInPeriodValue_en-US">Fair value</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_JuneTwoZeroOneTwoPrivatePlacementMember" xlink:label="JuneTwoZeroOneTwoPrivatePlacementMember" xlink:title="JuneTwoZeroOneTwoPrivatePlacementMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_JuneTwoZeroOneTwoPrivatePlacementMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_JuneTwoZeroOneTwoPrivatePlacementMember" xml:lang="en-US" id="verboseLabel_efr_JuneTwoZeroOneTwoPrivatePlacementMember_en-US">June 2012 private placement [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="JuneTwoZeroOneTwoPrivatePlacementMember" xlink:to="label_efr_JuneTwoZeroOneTwoPrivatePlacementMember" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_JuneTwoZeroOneTwoPrivatePlacementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_JuneTwoZeroOneTwoPrivatePlacementMember" xml:lang="en-US" id="documentation_efr_JuneTwoZeroOneTwoPrivatePlacementMember_en-US">June 2012 private placement</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_JuneTwoZeroOneThreePrivatePlacementMember" xlink:label="JuneTwoZeroOneThreePrivatePlacementMember" xlink:title="JuneTwoZeroOneThreePrivatePlacementMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_JuneTwoZeroOneThreePrivatePlacementMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_JuneTwoZeroOneThreePrivatePlacementMember" xml:lang="en-US" id="verboseLabel_efr_JuneTwoZeroOneThreePrivatePlacementMember_en-US">June 2013 private placement [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="JuneTwoZeroOneThreePrivatePlacementMember" xlink:to="label_efr_JuneTwoZeroOneThreePrivatePlacementMember" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_JuneTwoZeroOneThreePrivatePlacementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_JuneTwoZeroOneThreePrivatePlacementMember" xml:lang="en-US" id="documentation_efr_JuneTwoZeroOneThreePrivatePlacementMember_en-US">June 2013 private placement</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodRiskFreeInterestRate" xlink:label="ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodRiskFreeInterestRate" xlink:title="ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodRiskFreeInterestRate"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodRiskFreeInterestRate" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodRiskFreeInterestRate" xml:lang="en-US" id="verboseLabel_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodRiskFreeInterestRate_en-US">Risk-free rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodRiskFreeInterestRate" xlink:to="label_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodRiskFreeInterestRate" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedTerm1" xlink:label="ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedTerm1" xlink:title="ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedTerm1"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedTerm1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedTerm1" xml:lang="en-US" id="verboseLabel_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedTerm1_en-US">Expected life</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedTerm1" xlink:to="label_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedTerm1" use="optional" order="2" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedVolatilityRate" xlink:label="ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedVolatilityRate" xlink:title="ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedVolatilityRate"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedVolatilityRate" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedVolatilityRate" xml:lang="en-US" id="verboseLabel_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedVolatilityRate_en-US">Expected volatility</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedVolatilityRate" xlink:to="label_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedVolatilityRate" use="optional" order="3" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedDividendRate" xlink:label="ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedDividendRate" xlink:title="ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedDividendRate"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedDividendRate" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedDividendRate" xml:lang="en-US" id="verboseLabel_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedDividendRate_en-US">Expected dividend yield</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedDividendRate" xlink:to="label_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedDividendRate" use="optional" order="4" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:label="NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:title="NetIncomeLossAvailableToCommonStockholdersDiluted"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xml:lang="en-US" id="verboseLabel_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_en-US">Loss attributable to shareholders</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:to="label_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted" xlink:label="WeightedAverageNumberOfShareOutstandingBasicAndDiluted" xlink:title="WeightedAverageNumberOfShareOutstandingBasicAndDiluted"/>
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    <link:label xlink:type="resource" xlink:label="label_efr_VanadiumConcentrates" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_VanadiumConcentrates" xml:lang="en-US" id="documentation_efr_VanadiumConcentrates_en-US">Vanadium concentrates</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_AlternateFeedMaterialsProcessingAndOther" xlink:label="AlternateFeedMaterialsProcessingAndOther" xlink:title="AlternateFeedMaterialsProcessingAndOther"/>
    <link:label xlink:type="resource" xlink:label="label_efr_AlternateFeedMaterialsProcessingAndOther" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_AlternateFeedMaterialsProcessingAndOther" xml:lang="en-US" id="verboseLabel_efr_AlternateFeedMaterialsProcessingAndOther_en-US">Alternate feed materials processing and other</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AlternateFeedMaterialsProcessingAndOther" xlink:to="label_efr_AlternateFeedMaterialsProcessingAndOther" use="optional" order="3" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_AlternateFeedMaterialsProcessingAndOther" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_AlternateFeedMaterialsProcessingAndOther" xml:lang="en-US" id="documentation_efr_AlternateFeedMaterialsProcessingAndOther_en-US">Alternate feed materials processing and other</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_Revenues" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_Revenues" xml:lang="en-US" id="terseLabel_us-gaap_Revenues_en-US">Revenues</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="InvestmentIncomeInterest" xlink:title="InvestmentIncomeInterest"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_InvestmentIncomeInterest" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_InvestmentIncomeInterest" xml:lang="en-US" id="verboseLabel_us-gaap_InvestmentIncomeInterest_en-US">Interest income</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InvestmentIncomeInterest" xlink:to="label_us-gaap_InvestmentIncomeInterest" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" xlink:label="ForeignCurrencyTransactionGainLossBeforeTax" xlink:title="ForeignCurrencyTransactionGainLossBeforeTax"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" xml:lang="en-US" id="verboseLabel_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax_en-US">Foreign exchange gains (losses)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ForeignCurrencyTransactionGainLossBeforeTax" xlink:to="label_us-gaap_ForeignCurrencyTransactionGainLossBeforeTax" use="optional" order="2" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_ChangeInValueOfInvestmentsAccountedAtFairValue" xlink:label="ChangeInValueOfInvestmentsAccountedAtFairValue" xlink:title="ChangeInValueOfInvestmentsAccountedAtFairValue"/>
    <link:label xlink:type="resource" xlink:label="label_efr_ChangeInValueOfInvestmentsAccountedAtFairValue" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_ChangeInValueOfInvestmentsAccountedAtFairValue" xml:lang="en-US" id="verboseLabel_efr_ChangeInValueOfInvestmentsAccountedAtFairValue_en-US">Change in value of investments accounted at fair value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ChangeInValueOfInvestmentsAccountedAtFairValue" xlink:to="label_efr_ChangeInValueOfInvestmentsAccountedAtFairValue" use="optional" order="3" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_ChangeInValueOfInvestmentsAccountedAtFairValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_ChangeInValueOfInvestmentsAccountedAtFairValue" xml:lang="en-US" id="documentation_efr_ChangeInValueOfInvestmentsAccountedAtFairValue_en-US">Change in value of investments accounted at fair value</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeGainLossOnDerivativeNet" xlink:label="DerivativeGainLossOnDerivativeNet" xlink:title="DerivativeGainLossOnDerivativeNet"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DerivativeGainLossOnDerivativeNet" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_DerivativeGainLossOnDerivativeNet" xml:lang="en-US" id="verboseLabel_us-gaap_DerivativeGainLossOnDerivativeNet_en-US">Change in value of derivative liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeGainLossOnDerivativeNet" xlink:to="label_us-gaap_DerivativeGainLossOnDerivativeNet" use="optional" order="4" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_ChangeInValueOfWarrantLiabilities" xlink:label="ChangeInValueOfWarrantLiabilities" xlink:title="ChangeInValueOfWarrantLiabilities"/>
    <link:label xlink:type="resource" xlink:label="label_efr_ChangeInValueOfWarrantLiabilities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_ChangeInValueOfWarrantLiabilities" xml:lang="en-US" id="verboseLabel_efr_ChangeInValueOfWarrantLiabilities_en-US">Change in value of warrant liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ChangeInValueOfWarrantLiabilities" xlink:to="label_efr_ChangeInValueOfWarrantLiabilities" use="optional" order="5" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_ChangeInValueOfWarrantLiabilities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_ChangeInValueOfWarrantLiabilities" xml:lang="en-US" id="documentation_efr_ChangeInValueOfWarrantLiabilities_en-US">Change in value of warrant liabilities</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_ChangeInValueOfConvertibleDebentures" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_efr_ChangeInValueOfConvertibleDebentures" xml:lang="en-US" id="negatedLabel_efr_ChangeInValueOfConvertibleDebentures_en-US">Change in value of convertible debentures</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_GainLossOnSaleOfProperties" xlink:label="GainLossOnSaleOfProperties" xlink:title="GainLossOnSaleOfProperties"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_GainLossOnSaleOfProperties" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_GainLossOnSaleOfProperties" xml:lang="en-US" id="verboseLabel_us-gaap_GainLossOnSaleOfProperties_en-US">Gain on sale of mineral properties</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GainLossOnSaleOfProperties" xlink:to="label_us-gaap_GainLossOnSaleOfProperties" use="optional" order="7" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_ComponentOfOtherIncomeExpense" xlink:label="ComponentOfOtherIncomeExpense" xlink:title="ComponentOfOtherIncomeExpense"/>
    <link:label xlink:type="resource" xlink:label="label_efr_ComponentOfOtherIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_ComponentOfOtherIncomeExpense" xml:lang="en-US" id="verboseLabel_efr_ComponentOfOtherIncomeExpense_en-US">Other</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ComponentOfOtherIncomeExpense" xlink:to="label_efr_ComponentOfOtherIncomeExpense" use="optional" order="8" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_ComponentOfOtherIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_ComponentOfOtherIncomeExpense" xml:lang="en-US" id="documentation_efr_ComponentOfOtherIncomeExpense_en-US">Other</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="OtherNonoperatingIncomeExpense" xlink:title="OtherNonoperatingIncomeExpense"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OtherNonoperatingIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_OtherNonoperatingIncomeExpense" xml:lang="en-US" id="verboseLabel_us-gaap_OtherNonoperatingIncomeExpense_en-US">Other income (expense)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherNonoperatingIncomeExpense" xlink:to="label_us-gaap_OtherNonoperatingIncomeExpense" use="optional" order="9" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_StatementOperatingActivitiesSegmentAxis" xlink:label="StatementOperatingActivitiesSegmentAxis" xlink:title="StatementOperatingActivitiesSegmentAxis"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_StatementOperatingActivitiesSegmentAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_StatementOperatingActivitiesSegmentAxis" xml:lang="en-US" id="label_us-gaap_StatementOperatingActivitiesSegmentAxis_en-US">Operating Activities [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementOperatingActivitiesSegmentAxis" xlink:to="label_us-gaap_StatementOperatingActivitiesSegmentAxis" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_SegmentOperatingActivitiesDomain" xlink:label="SegmentOperatingActivitiesDomain" xlink:title="SegmentOperatingActivitiesDomain"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_SegmentOperatingActivitiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_SegmentOperatingActivitiesDomain" xml:lang="en-US" id="label_us-gaap_SegmentOperatingActivitiesDomain_en-US">Operating Activities [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SegmentOperatingActivitiesDomain" xlink:to="label_us-gaap_SegmentOperatingActivitiesDomain" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_ConventionalMember" xlink:label="ConventionalMember" xlink:title="ConventionalMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_ConventionalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_ConventionalMember" xml:lang="en-US" id="label_efr_ConventionalMember_en-US">Conventional [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConventionalMember" xlink:to="label_efr_ConventionalMember" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_ConventionalMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_ConventionalMember" xml:lang="en-US" id="documentation_efr_ConventionalMember_en-US">Conventional</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_ISRMember" xlink:label="ISRMember" xlink:title="ISRMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_ISRMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_ISRMember" xml:lang="en-US" id="verboseLabel_efr_ISRMember_en-US">ISR [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ISRMember" xlink:to="label_efr_ISRMember" use="optional" order="3" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_ISRMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_ISRMember" xml:lang="en-US" id="documentation_efr_ISRMember_en-US">ISR [Member]</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_StatementNonOperatingActivitiesSegmentAxis" xlink:label="StatementNonOperatingActivitiesSegmentAxis" xlink:title="StatementNonOperatingActivitiesSegmentAxis"/>
    <link:label xlink:type="resource" xlink:label="label_efr_StatementNonOperatingActivitiesSegmentAxis" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_StatementNonOperatingActivitiesSegmentAxis" xml:lang="en-US" id="verboseLabel_efr_StatementNonOperatingActivitiesSegmentAxis_en-US">Non-Operating Activities [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementNonOperatingActivitiesSegmentAxis" xlink:to="label_efr_StatementNonOperatingActivitiesSegmentAxis" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_StatementNonOperatingActivitiesSegmentAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_StatementNonOperatingActivitiesSegmentAxis" xml:lang="en-US" id="documentation_efr_StatementNonOperatingActivitiesSegmentAxis_en-US">Non-Operating Activities [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_SegmentNonOperatingActivitiesDomain" xlink:label="SegmentNonOperatingActivitiesDomain" xlink:title="SegmentNonOperatingActivitiesDomain"/>
    <link:label xlink:type="resource" xlink:label="label_efr_SegmentNonOperatingActivitiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_SegmentNonOperatingActivitiesDomain" xml:lang="en-US" id="label_efr_SegmentNonOperatingActivitiesDomain_en-US">Segment Non Operating Activities [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SegmentNonOperatingActivitiesDomain" xlink:to="label_efr_SegmentNonOperatingActivitiesDomain" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_SegmentNonOperatingActivitiesDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_SegmentNonOperatingActivitiesDomain" xml:lang="en-US" id="documentation_efr_SegmentNonOperatingActivitiesDomain_en-US">Segment Non Operating Activities</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_CorporateOtherMember" xlink:label="CorporateOtherMember" xlink:title="CorporateOtherMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_CorporateOtherMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_CorporateOtherMember" xml:lang="en-US" id="verboseLabel_efr_CorporateOtherMember_en-US">Corporate &amp; Other [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CorporateOtherMember" xlink:to="label_efr_CorporateOtherMember" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_CorporateOtherMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_CorporateOtherMember" xml:lang="en-US" id="documentation_efr_CorporateOtherMember_en-US">Corporate &amp; Other</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_TotalMember" xlink:label="TotalMember" xlink:title="TotalMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_TotalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_TotalMember" xml:lang="en-US" id="label_efr_TotalMember_en-US">Total [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TotalMember" xlink:to="label_efr_TotalMember" use="optional" order="3" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_TotalMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_TotalMember" xml:lang="en-US" id="documentation_efr_TotalMember_en-US">Total</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_Revenues" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_Revenues" xml:lang="en-US" id="verboseLabel_us-gaap_Revenues_en-US">Revenues</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_CostOfRevenue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_CostOfRevenue" xml:lang="en-US" id="terseLabel_us-gaap_CostOfRevenue_en-US">Costs and expenses applicable to revenue</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_SellingExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_SellingExpense" xml:lang="en-US" id="terseLabel_us-gaap_SellingExpense_en-US">Selling costs</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AmortizationOfIntangibleAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_AmortizationOfIntangibleAssets" xml:lang="en-US" id="terseLabel_us-gaap_AmortizationOfIntangibleAssets_en-US">Intangible asset amortization</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_GeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_GeneralAndAdministrativeExpense" xml:lang="en-US" id="terseLabel_us-gaap_GeneralAndAdministrativeExpense_en-US">General and administration</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AcquisitionCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_AcquisitionCosts" xml:lang="en-US" id="terseLabel_us-gaap_AcquisitionCosts_en-US">Costs directly attributable to acquisitions</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf" xml:lang="en-US" id="verboseLabel_us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf_en-US">Impairment of plant and equipment and mineral properties</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OperatingIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_OperatingIncomeLoss" xml:lang="en-US" id="verboseLabel_us-gaap_OperatingIncomeLoss_en-US">Total operating loss</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_InterestExpense" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_us-gaap_InterestExpense" xml:lang="en-US" id="negatedLabel_us-gaap_InterestExpense_en-US">Interest Expense</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OtherNoncashIncomeExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="label_us-gaap_OtherNoncashIncomeExpense" xml:lang="en-US" id="terseLabel_us-gaap_OtherNoncashIncomeExpense_en-US">Other income (expense)</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xml:lang="en-US" id="verboseLabel_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_en-US">Non-controlling interests</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NetIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_NetIncomeLoss" xml:lang="en-US" id="verboseLabel_us-gaap_NetIncomeLoss_en-US">Net loss for the period</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:title="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xml:lang="en-US" id="label_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_en-US">Income (loss) before income taxes</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="label_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_CombinedFederalAndProvincialRate" xlink:label="CombinedFederalAndProvincialRate" xlink:title="CombinedFederalAndProvincialRate"/>
    <link:label xlink:type="resource" xlink:label="label_efr_CombinedFederalAndProvincialRate" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_CombinedFederalAndProvincialRate" xml:lang="en-US" id="verboseLabel_efr_CombinedFederalAndProvincialRate_en-US">Combined federal and provincial rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CombinedFederalAndProvincialRate" xlink:to="label_efr_CombinedFederalAndProvincialRate" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_CombinedFederalAndProvincialRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_CombinedFederalAndProvincialRate" xml:lang="en-US" id="documentation_efr_CombinedFederalAndProvincialRate_en-US">Combined federal and provincial rate</link:label>
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    <link:label xlink:type="resource" xlink:label="label_efr_ExpectedIncomeTaxRecovery" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_ExpectedIncomeTaxRecovery" xml:lang="en-US" id="verboseLabel_efr_ExpectedIncomeTaxRecovery_en-US">Expected income tax recovery</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ExpectedIncomeTaxRecovery" xlink:to="label_efr_ExpectedIncomeTaxRecovery" use="optional" order="3" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_ExpectedIncomeTaxRecovery" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_ExpectedIncomeTaxRecovery" xml:lang="en-US" id="documentation_efr_ExpectedIncomeTaxRecovery_en-US">Expected income tax recovery</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_StockBasedCompensation" xlink:label="StockBasedCompensation" xlink:title="StockBasedCompensation"/>
    <link:label xlink:type="resource" xlink:label="label_efr_StockBasedCompensation" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_StockBasedCompensation" xml:lang="en-US" id="verboseLabel_efr_StockBasedCompensation_en-US">Stock based compensation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockBasedCompensation" xlink:to="label_efr_StockBasedCompensation" use="optional" order="4" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_StockBasedCompensation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_StockBasedCompensation" xml:lang="en-US" id="documentation_efr_StockBasedCompensation_en-US">Stock based compensation</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_TrueUp" xlink:label="TrueUp" xlink:title="TrueUp"/>
    <link:label xlink:type="resource" xlink:label="label_efr_TrueUp" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_TrueUp" xml:lang="en-US" id="verboseLabel_efr_TrueUp_en-US">True-up</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TrueUp" xlink:to="label_efr_TrueUp" use="optional" order="5" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_TrueUp" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_TrueUp" xml:lang="en-US" id="documentation_efr_TrueUp_en-US">True-up</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxReconciliationOtherAdjustments" xlink:label="IncomeTaxReconciliationOtherAdjustments" xlink:title="IncomeTaxReconciliationOtherAdjustments"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_IncomeTaxReconciliationOtherAdjustments" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_us-gaap_IncomeTaxReconciliationOtherAdjustments" xml:lang="en-US" id="negatedLabel_us-gaap_IncomeTaxReconciliationOtherAdjustments_en-US">Other non-deductible/non-taxable items</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeTaxReconciliationOtherAdjustments" xlink:to="label_us-gaap_IncomeTaxReconciliationOtherAdjustments" use="optional" order="6" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential" xlink:label="IncomeTaxReconciliationForeignIncomeTaxRateDifferential" xlink:title="IncomeTaxReconciliationForeignIncomeTaxRateDifferential"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential" xml:lang="en-US" id="negatedLabel_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential_en-US">Foreign tax rate differences</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeTaxReconciliationForeignIncomeTaxRateDifferential" xlink:to="label_us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential" use="optional" order="7" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:label="IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:title="IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance" xml:lang="en-US" id="verboseLabel_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance_en-US">Change in valuation allowance</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance" xlink:to="label_us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance" use="optional" order="8" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_CurrentDeferredTaxAssetsDeferredRevenue" xlink:label="CurrentDeferredTaxAssetsDeferredRevenue" xlink:title="CurrentDeferredTaxAssetsDeferredRevenue"/>
    <link:label xlink:type="resource" xlink:label="label_efr_CurrentDeferredTaxAssetsDeferredRevenue" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_CurrentDeferredTaxAssetsDeferredRevenue" xml:lang="en-US" id="verboseLabel_efr_CurrentDeferredTaxAssetsDeferredRevenue_en-US">Deferred revenue</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CurrentDeferredTaxAssetsDeferredRevenue" xlink:to="label_efr_CurrentDeferredTaxAssetsDeferredRevenue" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_CurrentDeferredTaxAssetsDeferredRevenue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_CurrentDeferredTaxAssetsDeferredRevenue" xml:lang="en-US" id="documentation_efr_CurrentDeferredTaxAssetsDeferredRevenue_en-US">Deferred revenue</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredTaxAssetsInventory" xlink:label="DeferredTaxAssetsInventory" xlink:title="DeferredTaxAssetsInventory"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DeferredTaxAssetsInventory" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_DeferredTaxAssetsInventory" xml:lang="en-US" id="verboseLabel_us-gaap_DeferredTaxAssetsInventory_en-US">Inventories</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredTaxAssetsInventory" xlink:to="label_us-gaap_DeferredTaxAssetsInventory" use="optional" order="2" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredTaxAssetsInvestments" xlink:label="DeferredTaxAssetsInvestments" xlink:title="DeferredTaxAssetsInvestments"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DeferredTaxAssetsInvestments" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_DeferredTaxAssetsInvestments" xml:lang="en-US" id="verboseLabel_us-gaap_DeferredTaxAssetsInvestments_en-US">Short-term investments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredTaxAssetsInvestments" xlink:to="label_us-gaap_DeferredTaxAssetsInvestments" use="optional" order="3" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_TotalCurrentDeferredTaxAssets" xlink:label="TotalCurrentDeferredTaxAssets" xlink:title="TotalCurrentDeferredTaxAssets"/>
    <link:label xlink:type="resource" xlink:label="label_efr_TotalCurrentDeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_TotalCurrentDeferredTaxAssets" xml:lang="en-US" id="verboseLabel_efr_TotalCurrentDeferredTaxAssets_en-US">Total current deferred tax assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TotalCurrentDeferredTaxAssets" xlink:to="label_efr_TotalCurrentDeferredTaxAssets" use="optional" order="4" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_TotalCurrentDeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_TotalCurrentDeferredTaxAssets" xml:lang="en-US" id="documentation_efr_TotalCurrentDeferredTaxAssets_en-US">Total current deferred tax assets</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:label="DeferredTaxAssetsOperatingLossCarryforwards" xlink:title="DeferredTaxAssetsOperatingLossCarryforwards"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xml:lang="en-US" id="verboseLabel_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_en-US">Operating loss carry forwards</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredTaxAssetsOperatingLossCarryforwards" xlink:to="label_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" use="optional" order="5" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredTaxAssetsCapitalLossCarryforwards" xlink:label="DeferredTaxAssetsCapitalLossCarryforwards" xlink:title="DeferredTaxAssetsCapitalLossCarryforwards"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DeferredTaxAssetsCapitalLossCarryforwards" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_DeferredTaxAssetsCapitalLossCarryforwards" xml:lang="en-US" id="verboseLabel_us-gaap_DeferredTaxAssetsCapitalLossCarryforwards_en-US">Capital loss carry forwards</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredTaxAssetsCapitalLossCarryforwards" xlink:to="label_us-gaap_DeferredTaxAssetsCapitalLossCarryforwards" use="optional" order="6" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_NonCurrentDeferredTaxAssetsDeferredRevenue" xlink:label="NonCurrentDeferredTaxAssetsDeferredRevenue" xlink:title="NonCurrentDeferredTaxAssetsDeferredRevenue"/>
    <link:label xlink:type="resource" xlink:label="label_efr_NonCurrentDeferredTaxAssetsDeferredRevenue" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_NonCurrentDeferredTaxAssetsDeferredRevenue" xml:lang="en-US" id="verboseLabel_efr_NonCurrentDeferredTaxAssetsDeferredRevenue_en-US">Deferred revenue and other</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NonCurrentDeferredTaxAssetsDeferredRevenue" xlink:to="label_efr_NonCurrentDeferredTaxAssetsDeferredRevenue" use="optional" order="7" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_NonCurrentDeferredTaxAssetsDeferredRevenue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_NonCurrentDeferredTaxAssetsDeferredRevenue" xml:lang="en-US" id="documentation_efr_NonCurrentDeferredTaxAssetsDeferredRevenue_en-US">Deferred revenue and other</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_MineralPropertiesAndDeferredCosts" xlink:label="MineralPropertiesAndDeferredCosts" xlink:title="MineralPropertiesAndDeferredCosts"/>
    <link:label xlink:type="resource" xlink:label="label_efr_MineralPropertiesAndDeferredCosts" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_MineralPropertiesAndDeferredCosts" xml:lang="en-US" id="verboseLabel_efr_MineralPropertiesAndDeferredCosts_en-US">Mineral properties and deferred costs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MineralPropertiesAndDeferredCosts" xlink:to="label_efr_MineralPropertiesAndDeferredCosts" use="optional" order="8" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_MineralPropertiesAndDeferredCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_MineralPropertiesAndDeferredCosts" xml:lang="en-US" id="documentation_efr_MineralPropertiesAndDeferredCosts_en-US">Mineral properties and deferred costs</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations" xlink:label="DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations" xlink:title="DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations" xml:lang="en-US" id="verboseLabel_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations_en-US">Asset retirement obligations</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations" xlink:to="label_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations" use="optional" order="9" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets" xlink:label="DeferredTaxAssetsGoodwillAndIntangibleAssets" xlink:title="DeferredTaxAssetsGoodwillAndIntangibleAssets"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets" xml:lang="en-US" id="negatedLabel_us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets_en-US">Intangibles and other</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredTaxAssetsGoodwillAndIntangibleAssets" xlink:to="label_us-gaap_DeferredTaxAssetsGoodwillAndIntangibleAssets" use="optional" order="10" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment" xlink:label="DeferredTaxAssetsPropertyPlantAndEquipment" xlink:title="DeferredTaxAssetsPropertyPlantAndEquipment"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment" xml:lang="en-US" id="negatedLabel_us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment_en-US">Property, plant and equipment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredTaxAssetsPropertyPlantAndEquipment" xlink:to="label_us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment" use="optional" order="11" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_TotalNonCurrentDeferredTaxAssets" xlink:label="TotalNonCurrentDeferredTaxAssets" xlink:title="TotalNonCurrentDeferredTaxAssets"/>
    <link:label xlink:type="resource" xlink:label="label_efr_TotalNonCurrentDeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_TotalNonCurrentDeferredTaxAssets" xml:lang="en-US" id="verboseLabel_efr_TotalNonCurrentDeferredTaxAssets_en-US">Total non-current deferred tax assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TotalNonCurrentDeferredTaxAssets" xlink:to="label_efr_TotalNonCurrentDeferredTaxAssets" use="optional" order="12" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_TotalNonCurrentDeferredTaxAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_TotalNonCurrentDeferredTaxAssets" xml:lang="en-US" id="documentation_efr_TotalNonCurrentDeferredTaxAssets_en-US">Total non-current deferred tax assets</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredTaxAssetsGross" xlink:label="DeferredTaxAssetsGross" xlink:title="DeferredTaxAssetsGross"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DeferredTaxAssetsGross" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_DeferredTaxAssetsGross" xml:lang="en-US" id="verboseLabel_us-gaap_DeferredTaxAssetsGross_en-US">Subtotal deferred tax asset</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredTaxAssetsGross" xlink:to="label_us-gaap_DeferredTaxAssetsGross" use="optional" order="13" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance" xlink:label="DeferredTaxAssetsValuationAllowance" xlink:title="DeferredTaxAssetsValuationAllowance"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DeferredTaxAssetsValuationAllowance" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_us-gaap_DeferredTaxAssetsValuationAllowance" xml:lang="en-US" id="negatedLabel_us-gaap_DeferredTaxAssetsValuationAllowance_en-US">Less: valuation allowance</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredTaxAssetsValuationAllowance" xlink:to="label_us-gaap_DeferredTaxAssetsValuationAllowance" use="optional" order="14" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DeferredTaxAssetsNet" xlink:label="DeferredTaxAssetsNet" xlink:title="DeferredTaxAssetsNet"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DeferredTaxAssetsNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_DeferredTaxAssetsNet" xml:lang="en-US" id="label_us-gaap_DeferredTaxAssetsNet_en-US">Net deferred tax asset</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredTaxAssetsNet" xlink:to="label_us-gaap_DeferredTaxAssetsNet" use="optional" order="15" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_ValuationAllowance" xlink:label="ValuationAllowance" xlink:title="ValuationAllowance"/>
    <link:label xlink:type="resource" xlink:label="label_efr_ValuationAllowance" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:title="label_efr_ValuationAllowance" xml:lang="en-US" id="periodStartLabel_efr_ValuationAllowance_en-US">Balance at Beginning of Period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ValuationAllowance" xlink:to="label_efr_ValuationAllowance" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_ValuationAllowance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_ValuationAllowance" xml:lang="en-US" id="documentation_efr_ValuationAllowance_en-US">Balance at Beginning of Period</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_ValuationAllowanceAdditions" xlink:label="ValuationAllowanceAdditions" xlink:title="ValuationAllowanceAdditions"/>
    <link:label xlink:type="resource" xlink:label="label_efr_ValuationAllowanceAdditions" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_ValuationAllowanceAdditions" xml:lang="en-US" id="verboseLabel_efr_ValuationAllowanceAdditions_en-US">Additions</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ValuationAllowanceAdditions" xlink:to="label_efr_ValuationAllowanceAdditions" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_ValuationAllowanceAdditions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_ValuationAllowanceAdditions" xml:lang="en-US" id="documentation_efr_ValuationAllowanceAdditions_en-US">Additions</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_ValuationAllowanceDeductions" xlink:label="ValuationAllowanceDeductions" xlink:title="ValuationAllowanceDeductions"/>
    <link:label xlink:type="resource" xlink:label="label_efr_ValuationAllowanceDeductions" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_ValuationAllowanceDeductions" xml:lang="en-US" id="verboseLabel_efr_ValuationAllowanceDeductions_en-US">Deductions</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ValuationAllowanceDeductions" xlink:to="label_efr_ValuationAllowanceDeductions" use="optional" order="3" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_ValuationAllowanceDeductions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_ValuationAllowanceDeductions" xml:lang="en-US" id="documentation_efr_ValuationAllowanceDeductions_en-US">Deductions</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_ValuationAllowance" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:title="label_efr_ValuationAllowance" xml:lang="en-US" id="periodEndLabel_efr_ValuationAllowance_en-US">Balance at End of Period</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_CapitalLossesAndNetOperatingLossesAxis" xlink:label="CapitalLossesAndNetOperatingLossesAxis" xlink:title="CapitalLossesAndNetOperatingLossesAxis"/>
    <link:label xlink:type="resource" xlink:label="label_efr_CapitalLossesAndNetOperatingLossesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_CapitalLossesAndNetOperatingLossesAxis" xml:lang="en-US" id="label_efr_CapitalLossesAndNetOperatingLossesAxis_en-US">Capital Losses and Net Operating Losses [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CapitalLossesAndNetOperatingLossesAxis" xlink:to="label_efr_CapitalLossesAndNetOperatingLossesAxis" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_CapitalLossesAndNetOperatingLossesAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_CapitalLossesAndNetOperatingLossesAxis" xml:lang="en-US" id="documentation_efr_CapitalLossesAndNetOperatingLossesAxis_en-US">Capital Losses and Net Operating Losses</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_CapitalLossesAndNetOperatingLossesDomain" xlink:label="CapitalLossesAndNetOperatingLossesDomain" xlink:title="CapitalLossesAndNetOperatingLossesDomain"/>
    <link:label xlink:type="resource" xlink:label="label_efr_CapitalLossesAndNetOperatingLossesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_CapitalLossesAndNetOperatingLossesDomain" xml:lang="en-US" id="label_efr_CapitalLossesAndNetOperatingLossesDomain_en-US">Capital Losses and Net Operating Losses [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CapitalLossesAndNetOperatingLossesDomain" xlink:to="label_efr_CapitalLossesAndNetOperatingLossesDomain" use="optional" order="1" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_CapitalLossesAndNetOperatingLossesDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_CapitalLossesAndNetOperatingLossesDomain" xml:lang="en-US" id="documentation_efr_CapitalLossesAndNetOperatingLossesDomain_en-US">Capital Losses and Net Operating Losses</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_NoncapitalLossesMember" xlink:label="NoncapitalLossesMember" xlink:title="NoncapitalLossesMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_NoncapitalLossesMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_NoncapitalLossesMember" xml:lang="en-US" id="verboseLabel_efr_NoncapitalLossesMember_en-US">Non-capital losses [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NoncapitalLossesMember" xlink:to="label_efr_NoncapitalLossesMember" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_NoncapitalLossesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_NoncapitalLossesMember" xml:lang="en-US" id="documentation_efr_NoncapitalLossesMember_en-US">Non-capital losses</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_AllowableCapitalLossesMember" xlink:label="AllowableCapitalLossesMember" xlink:title="AllowableCapitalLossesMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_AllowableCapitalLossesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_AllowableCapitalLossesMember" xml:lang="en-US" id="label_efr_AllowableCapitalLossesMember_en-US">Allowable Capital losses [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AllowableCapitalLossesMember" xlink:to="label_efr_AllowableCapitalLossesMember" use="optional" order="3" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_AllowableCapitalLossesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_AllowableCapitalLossesMember" xml:lang="en-US" id="documentation_efr_AllowableCapitalLossesMember_en-US">Allowable Capital losses</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_InvestmentTaxCreditsMember" xlink:label="InvestmentTaxCreditsMember" xlink:title="InvestmentTaxCreditsMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_InvestmentTaxCreditsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_InvestmentTaxCreditsMember" xml:lang="en-US" id="label_efr_InvestmentTaxCreditsMember_en-US">Investment Tax Credits [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InvestmentTaxCreditsMember" xlink:to="label_efr_InvestmentTaxCreditsMember" use="optional" order="4" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_InvestmentTaxCreditsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_InvestmentTaxCreditsMember" xml:lang="en-US" id="documentation_efr_InvestmentTaxCreditsMember_en-US">Investment Tax Credits</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_NetOperatingLossesMember" xlink:label="NetOperatingLossesMember" xlink:title="NetOperatingLossesMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_NetOperatingLossesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_NetOperatingLossesMember" xml:lang="en-US" id="label_efr_NetOperatingLossesMember_en-US">Net operating losses [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetOperatingLossesMember" xlink:to="label_efr_NetOperatingLossesMember" use="optional" order="5" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_NetOperatingLossesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_NetOperatingLossesMember" xml:lang="en-US" id="documentation_efr_NetOperatingLossesMember_en-US">Net operating losses</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_CapitalLossesMember" xlink:label="CapitalLossesMember" xlink:title="CapitalLossesMember"/>
    <link:label xlink:type="resource" xlink:label="label_efr_CapitalLossesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_CapitalLossesMember" xml:lang="en-US" id="label_efr_CapitalLossesMember_en-US">Capital losses [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CapitalLossesMember" xlink:to="label_efr_CapitalLossesMember" use="optional" order="6" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_CapitalLossesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_CapitalLossesMember" xml:lang="en-US" id="documentation_efr_CapitalLossesMember_en-US">Capital losses</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign" xlink:label="IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign" xlink:title="IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign" xml:lang="en-US" id="verboseLabel_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign_en-US">Canada</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign" xlink:to="label_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" xlink:label="IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" xlink:title="IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" xml:lang="en-US" id="verboseLabel_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic_en-US">United States</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" xlink:to="label_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" use="optional" order="2" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="FairValueByFairValueHierarchyLevelAxis" xlink:title="FairValueByFairValueHierarchyLevelAxis"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_FairValueByFairValueHierarchyLevelAxis" xml:lang="en-US" id="label_us-gaap_FairValueByFairValueHierarchyLevelAxis_en-US">Fair Value, Hierarchy [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueByFairValueHierarchyLevelAxis" xlink:to="label_us-gaap_FairValueByFairValueHierarchyLevelAxis" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="FairValueMeasurementsFairValueHierarchyDomain" xlink:title="FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xml:lang="en-US" id="label_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_en-US">Fair Value Hierarchy [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueMeasurementsFairValueHierarchyDomain" xlink:to="label_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="FairValueInputsLevel1Member" xlink:title="FairValueInputsLevel1Member"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_FairValueInputsLevel1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_FairValueInputsLevel1Member" xml:lang="en-US" id="label_us-gaap_FairValueInputsLevel1Member_en-US">Level 1 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueInputsLevel1Member" xlink:to="label_us-gaap_FairValueInputsLevel1Member" use="optional" order="2" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="FairValueInputsLevel2Member" xlink:title="FairValueInputsLevel2Member"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_FairValueInputsLevel2Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_FairValueInputsLevel2Member" xml:lang="en-US" id="label_us-gaap_FairValueInputsLevel2Member_en-US">Level 2 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueInputsLevel2Member" xlink:to="label_us-gaap_FairValueInputsLevel2Member" use="optional" order="3" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="FairValueInputsLevel3Member" xlink:title="FairValueInputsLevel3Member"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_FairValueInputsLevel3Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_FairValueInputsLevel3Member" xml:lang="en-US" id="label_us-gaap_FairValueInputsLevel3Member_en-US">Level 3 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueInputsLevel3Member" xlink:to="label_us-gaap_FairValueInputsLevel3Member" use="optional" order="4" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_InvestmentsFairValueDisclosure" xlink:label="InvestmentsFairValueDisclosure" xlink:title="InvestmentsFairValueDisclosure"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_InvestmentsFairValueDisclosure" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_InvestmentsFairValueDisclosure" xml:lang="en-US" id="verboseLabel_us-gaap_InvestmentsFairValueDisclosure_en-US">Investments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InvestmentsFairValueDisclosure" xlink:to="label_us-gaap_InvestmentsFairValueDisclosure" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_DerivativeLiabilities" xlink:label="DerivativeLiabilities" xlink:title="DerivativeLiabilities"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DerivativeLiabilities" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_us-gaap_DerivativeLiabilities" xml:lang="en-US" id="negatedLabel_us-gaap_DerivativeLiabilities_en-US">Derivative liability</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DerivativeLiabilities" xlink:to="label_us-gaap_DerivativeLiabilities" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_WarrantsAndRightsOutstanding" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_us-gaap_WarrantsAndRightsOutstanding" xml:lang="en-US" id="negatedLabel_us-gaap_WarrantsAndRightsOutstanding_en-US">Warrant liabilities</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ConvertibleLongTermNotesPayable" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_us-gaap_ConvertibleLongTermNotesPayable" xml:lang="en-US" id="negatedLabel_us-gaap_ConvertibleLongTermNotesPayable_en-US">Convertible debentures</link:label>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FinancialInstrumentsOwnedAtFairValue" xlink:label="FinancialInstrumentsOwnedAtFairValue" xlink:title="FinancialInstrumentsOwnedAtFairValue"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_FinancialInstrumentsOwnedAtFairValue" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="label_us-gaap_FinancialInstrumentsOwnedAtFairValue" xml:lang="en-US" id="negatedLabel_us-gaap_FinancialInstrumentsOwnedAtFairValue_en-US">Financial instruments fair value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FinancialInstrumentsOwnedAtFairValue" xlink:to="label_us-gaap_FinancialInstrumentsOwnedAtFairValue" use="optional" order="5" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2015/elts/us-gaap-2015-01-31.xsd#us-gaap_FairValueInputsDiscountRate" xlink:label="FairValueInputsDiscountRate" xlink:title="FairValueInputsDiscountRate"/>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_FairValueInputsDiscountRate" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_us-gaap_FairValueInputsDiscountRate" xml:lang="en-US" id="verboseLabel_us-gaap_FairValueInputsDiscountRate_en-US">Discount Rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueInputsDiscountRate" xlink:to="label_us-gaap_FairValueInputsDiscountRate" use="optional" order="1" xlink:title=""/>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_FairValueInputsUraniumPrice" xlink:label="FairValueInputsUraniumPrice" xlink:title="FairValueInputsUraniumPrice"/>
    <link:label xlink:type="resource" xlink:label="label_efr_FairValueInputsUraniumPrice" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_FairValueInputsUraniumPrice" xml:lang="en-US" id="verboseLabel_efr_FairValueInputsUraniumPrice_en-US">Short and Long Term Uranium Price</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueInputsUraniumPrice" xlink:to="label_efr_FairValueInputsUraniumPrice" use="optional" order="2" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_FairValueInputsUraniumPrice" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_FairValueInputsUraniumPrice" xml:lang="en-US" id="documentation_efr_FairValueInputsUraniumPrice_en-US">Short and Long Term Uranium Price</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_FairValueInputsInflationRate" xlink:label="FairValueInputsInflationRate" xlink:title="FairValueInputsInflationRate"/>
    <link:label xlink:type="resource" xlink:label="label_efr_FairValueInputsInflationRate" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_FairValueInputsInflationRate" xml:lang="en-US" id="verboseLabel_efr_FairValueInputsInflationRate_en-US">United States Inflation Rate</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueInputsInflationRate" xlink:to="label_efr_FairValueInputsInflationRate" use="optional" order="3" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_FairValueInputsInflationRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_FairValueInputsInflationRate" xml:lang="en-US" id="documentation_efr_FairValueInputsInflationRate_en-US">United States Inflation Rate</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_MeasureAndIndicatedPounds" xlink:label="MeasureAndIndicatedPounds" xlink:title="MeasureAndIndicatedPounds"/>
    <link:label xlink:type="resource" xlink:label="label_efr_MeasureAndIndicatedPounds" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_MeasureAndIndicatedPounds" xml:lang="en-US" id="verboseLabel_efr_MeasureAndIndicatedPounds_en-US">Measured &amp; Indicated pounds</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MeasureAndIndicatedPounds" xlink:to="label_efr_MeasureAndIndicatedPounds" use="optional" order="4" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_MeasureAndIndicatedPounds" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_MeasureAndIndicatedPounds" xml:lang="en-US" id="documentation_efr_MeasureAndIndicatedPounds_en-US">Measured &amp; Indicated pounds</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_InferredPounds" xlink:label="InferredPounds" xlink:title="InferredPounds"/>
    <link:label xlink:type="resource" xlink:label="label_efr_InferredPounds" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_InferredPounds" xml:lang="en-US" id="verboseLabel_efr_InferredPounds_en-US">Inferred Pounds</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InferredPounds" xlink:to="label_efr_InferredPounds" use="optional" order="5" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_InferredPounds" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_InferredPounds" xml:lang="en-US" id="documentation_efr_InferredPounds_en-US">Inferred Pounds</link:label>
    <link:loc xlink:type="locator" xlink:href="efr-20160331.xsd#efr_FairValueInputsPricePerAcre" xlink:label="FairValueInputsPricePerAcre" xlink:title="FairValueInputsPricePerAcre"/>
    <link:label xlink:type="resource" xlink:label="label_efr_FairValueInputsPricePerAcre" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="label_efr_FairValueInputsPricePerAcre" xml:lang="en-US" id="verboseLabel_efr_FairValueInputsPricePerAcre_en-US">Price per Acre</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FairValueInputsPricePerAcre" xlink:to="label_efr_FairValueInputsPricePerAcre" use="optional" order="6" xlink:title=""/>
    <link:label xlink:type="resource" xlink:label="label_efr_FairValueInputsPricePerAcre" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="label_efr_FairValueInputsPricePerAcre" xml:lang="en-US" id="documentation_efr_FairValueInputsPricePerAcre_en-US">Price per Acre</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_InventoryWriteDown" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_InventoryWriteDown" xml:lang="en-US" id="label_us-gaap_InventoryWriteDown_en-US">Impairment of inventories</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ConstructionAndDevelopmentCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ConstructionAndDevelopmentCosts" xml:lang="en-US" id="label_us-gaap_ConstructionAndDevelopmentCosts_en-US">Development, permitting and land holding</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_CostOfOtherPropertyOperatingExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_CostOfOtherPropertyOperatingExpense" xml:lang="en-US" id="label_us-gaap_CostOfOtherPropertyOperatingExpense_en-US">Standby costs</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AmortizationOfIntangibleAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_AmortizationOfIntangibleAssets" xml:lang="en-US" id="label_us-gaap_AmortizationOfIntangibleAssets_en-US">Intangible asset amortization</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_GoodwillAndIntangibleAssetImpairment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_GoodwillAndIntangibleAssetImpairment" xml:lang="en-US" id="label_us-gaap_GoodwillAndIntangibleAssetImpairment_en-US">Impairment of goodwill</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OperatingIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_OperatingIncomeLoss" xml:lang="en-US" id="label_us-gaap_OperatingIncomeLoss_en-US">Total operating loss</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_InterestExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_InterestExpense" xml:lang="en-US" id="label_us-gaap_InterestExpense_en-US">Interest Expense</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NetIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_NetIncomeLoss" xml:lang="en-US" id="label_us-gaap_NetIncomeLoss_en-US">Net loss</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_ItemsThatMayBeReclassifedInTheFutureToProfitAndLossAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_ItemsThatMayBeReclassifedInTheFutureToProfitAndLossAbstract" xml:lang="en-US" id="label_efr_ItemsThatMayBeReclassifedInTheFutureToProfitAndLossAbstract_en-US">Items That May Be Reclassifed In The Future To Profit And Loss [Abstract]</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent" xml:lang="en-US" id="label_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_en-US">Other comprehensive income (loss)</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ComprehensiveIncomeNetOfTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ComprehensiveIncomeNetOfTax" xml:lang="en-US" id="label_us-gaap_ComprehensiveIncomeNetOfTax_en-US">Comprehensive loss</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NetIncomeLossAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_NetIncomeLossAbstract" xml:lang="en-US" id="label_us-gaap_NetIncomeLossAbstract_en-US">Net loss attributable to:</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_IncomeLossAttributableToParent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_IncomeLossAttributableToParent" xml:lang="en-US" id="label_us-gaap_IncomeLossAttributableToParent_en-US">Owners of the Company</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xml:lang="en-US" id="label_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_en-US">Non-controlling interests (NetIncomeLossAttributableToNoncontrollingInterest)</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US" id="label_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_en-US">Owners of the Company (ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest)</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xml:lang="en-US" id="label_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_en-US">Non-controlling interests (ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest)</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AssetsCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_AssetsCurrent" xml:lang="en-US" id="label_us-gaap_AssetsCurrent_en-US">Total current assets</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_Assets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_Assets" xml:lang="en-US" id="label_us-gaap_Assets_en-US">Total assets</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DeferredRevenueCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_DeferredRevenueCurrent" xml:lang="en-US" id="label_us-gaap_DeferredRevenueCurrent_en-US">Deferred revenue</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AssetRetirementObligationCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_AssetRetirementObligationCurrent" xml:lang="en-US" id="label_us-gaap_AssetRetirementObligationCurrent_en-US">Current portion of asset retirement obligation</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_LoansPayableCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_LoansPayableCurrent" xml:lang="en-US" id="label_us-gaap_LoansPayableCurrent_en-US">Current portion of loans and borrowings</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_LiabilitiesCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_LiabilitiesCurrent" xml:lang="en-US" id="label_us-gaap_LiabilitiesCurrent_en-US">Total current liabilities</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_DeferredRevenueNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_DeferredRevenueNoncurrent" xml:lang="en-US" id="label_us-gaap_DeferredRevenueNoncurrent_en-US">Deferred revenue (DeferredRevenueNoncurrent)</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AssetRetirementObligationsNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_AssetRetirementObligationsNoncurrent" xml:lang="en-US" id="label_us-gaap_AssetRetirementObligationsNoncurrent_en-US">Asset retirement obligation</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_LongTermLoansPayable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_LongTermLoansPayable" xml:lang="en-US" id="label_us-gaap_LongTermLoansPayable_en-US">Loans and borrowings</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_Liabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_Liabilities" xml:lang="en-US" id="label_us-gaap_Liabilities_en-US">Total Liabilities</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_CommonStockValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_CommonStockValue" xml:lang="en-US" id="label_us-gaap_CommonStockValue_en-US">Share capital</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_RetainedEarningsAccumulatedDeficit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_RetainedEarningsAccumulatedDeficit" xml:lang="en-US" id="label_us-gaap_RetainedEarningsAccumulatedDeficit_en-US">Accumulated Deficit</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xml:lang="en-US" id="label_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_en-US">Accumulated other comprehensive income</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_StockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_StockholdersEquity" xml:lang="en-US" id="label_us-gaap_StockholdersEquity_en-US">Total shareholders' equity</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xml:lang="en-US" id="label_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_en-US">Total equity</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_LiabilitiesAndStockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_LiabilitiesAndStockholdersEquity" xml:lang="en-US" id="label_us-gaap_LiabilitiesAndStockholdersEquity_en-US">Total liabilities and equity</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ForeignCurrencyTransactionGainLossUnrealized" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ForeignCurrencyTransactionGainLossUnrealized" xml:lang="en-US" id="label_us-gaap_ForeignCurrencyTransactionGainLossUnrealized_en-US">Unrealized foreign gains (losses)</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_NonCashStandbyCostAccrued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_NonCashStandbyCostAccrued" xml:lang="en-US" id="label_efr_NonCashStandbyCostAccrued_en-US">Non Cash Standby Cost Accrued</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_GainLossOnInvestments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_GainLossOnInvestments" xml:lang="en-US" id="label_us-gaap_GainLossOnInvestments_en-US">Change in value of investments</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_IncreaseDecreaseInInventories" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_IncreaseDecreaseInInventories" xml:lang="en-US" id="label_us-gaap_IncreaseDecreaseInInventories_en-US">(Increase) decrease in inventories</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables" xml:lang="en-US" id="label_us-gaap_IncreaseDecreaseInAccountsAndOtherReceivables_en-US">(Increase) decrease in trade and other receivables</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_IncreaseDecreaseInPrepaidExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_IncreaseDecreaseInPrepaidExpense" xml:lang="en-US" id="label_us-gaap_IncreaseDecreaseInPrepaidExpense_en-US">(Increase) decrease in prepaid expenses and other assets</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_CashPaidForReclamationAndRemediationActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_CashPaidForReclamationAndRemediationActivities" xml:lang="en-US" id="label_efr_CashPaidForReclamationAndRemediationActivities_en-US">Cash Paid For Reclamation And Remediation Activities</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_NetCashProvidedByUsedInOperatingActivities" xml:lang="en-US" id="label_us-gaap_NetCashProvidedByUsedInOperatingActivities_en-US">Net Cash Provided by (Used in) Operating Activities</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xml:lang="en-US" id="label_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_en-US">Purchase of mineral properties and property, plant and equipment</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_IncreaseDecreaseInRestrictedCash" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_IncreaseDecreaseInRestrictedCash" xml:lang="en-US" id="label_us-gaap_IncreaseDecreaseInRestrictedCash_en-US">Receipt of restricted cash related to restructuring bonding program</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_ProceedsfromSaleOfMineralProperties" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_ProceedsfromSaleOfMineralProperties" xml:lang="en-US" id="label_efr_ProceedsfromSaleOfMineralProperties_en-US">Proceedsfrom Sale Of Mineral Properties</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment" xml:lang="en-US" id="label_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment_en-US">Sale of plant and equipment</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities" xml:lang="en-US" id="label_us-gaap_ProceedsFromSaleAndMaturityOfMarketableSecurities_en-US">Sale of marketable securities</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_AcquisitionOfStrathmoreMineralsCorporationNetOfCashAcquired" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_AcquisitionOfStrathmoreMineralsCorporationNetOfCashAcquired" xml:lang="en-US" id="label_efr_AcquisitionOfStrathmoreMineralsCorporationNetOfCashAcquired_en-US">Acquisition Of Strathmore Minerals Corporation Net Of Cash Acquired</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_NetCashProvidedByUsedInInvestingActivities" xml:lang="en-US" id="label_us-gaap_NetCashProvidedByUsedInInvestingActivities_en-US">Net Cash Provided by (Used in) Investing Activities</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ProceedsFromStockOptionsExercised" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ProceedsFromStockOptionsExercised" xml:lang="en-US" id="label_us-gaap_ProceedsFromStockOptionsExercised_en-US">Option and warrant exercises</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_RepaymentsOfLongTermDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_RepaymentsOfLongTermDebt" xml:lang="en-US" id="label_us-gaap_RepaymentsOfLongTermDebt_en-US">Repayment of loans and borrowings</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_CashReceivedFromNonControllingInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_CashReceivedFromNonControllingInterest" xml:lang="en-US" id="label_efr_CashReceivedFromNonControllingInterest_en-US">Cash Received From Non Controlling Interest</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_NetCashProvidedByUsedInFinancingActivities" xml:lang="en-US" id="label_us-gaap_NetCashProvidedByUsedInFinancingActivities_en-US">Net Cash Provided by (Used in) Financing Activities</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xml:lang="en-US" id="label_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_en-US">INCREASE IN CASH AND CASH EQUIVALENTS DURING THE PERIOD</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfSecuredNotesForAcquisitionOfMineralPropertiesTwo" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_IssuanceOfSecuredNotesForAcquisitionOfMineralPropertiesTwo" xml:lang="en-US" id="label_efr_IssuanceOfSecuredNotesForAcquisitionOfMineralPropertiesTwo_en-US">Issuance Of Secured Notes For Acquisition Of Mineral Properties Two</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_NonoperatingAssetsPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_NonoperatingAssetsPolicyTextBlock" xml:lang="en-US" id="label_efr_NonoperatingAssetsPolicyTextBlock_en-US">Nonoperating Assets Policy [Text Block]</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_TreasurySharesTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_TreasurySharesTextBlock" xml:lang="en-US" id="label_efr_TreasurySharesTextBlock_en-US">Treasury Shares [Text Block]</link:label>
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    <link:label xlink:type="resource" xlink:label="label_efr_CivilPenalties" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_CivilPenalties" xml:lang="en-US" id="label_efr_CivilPenalties_en-US">Civil Penalties</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_OtherAssetImpairmentCharges" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_OtherAssetImpairmentCharges" xml:lang="en-US" id="label_us-gaap_OtherAssetImpairmentCharges_en-US">Other Asset Impairment Charges</link:label>
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    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfTwoSixNineZeroTwoFiveZeroWarrantsForReplacementOfUranerzWarrantsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_IssuanceOfTwoSixNineZeroTwoFiveZeroWarrantsForReplacementOfUranerzWarrantsMember" xml:lang="en-US" id="label_efr_IssuanceOfTwoSixNineZeroTwoFiveZeroWarrantsForReplacementOfUranerzWarrantsMember_en-US">Issuance Of Two Six Nine Zero Two Five Zero Warrants For Replacement Of Uranerz Warrants [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_IssuanceOfTwoZeroFourZeroFourZeroEightOptionsForReplacementOfUranerzShareBasedOptionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_IssuanceOfTwoZeroFourZeroFourZeroEightOptionsForReplacementOfUranerzShareBasedOptionsMember" xml:lang="en-US" id="label_efr_IssuanceOfTwoZeroFourZeroFourZeroEightOptionsForReplacementOfUranerzShareBasedOptionsMember_en-US">Issuance Of Two Zero Four Zero Four Zero Eight Options For Replacement Of Uranerz Share Based Options [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned" xml:lang="en-US" id="label_us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned_en-US">Purchase Price</link:label>
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    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationPrepaidExpensesAndOtherAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_UranerzPurchasePriceAllocationPrepaidExpensesAndOtherAssets" xml:lang="en-US" id="label_efr_UranerzPurchasePriceAllocationPrepaidExpensesAndOtherAssets_en-US">Uranerz Purchase Price Allocation Prepaid Expenses And Other Assets</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationPlantAndEquipment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_UranerzPurchasePriceAllocationPlantAndEquipment" xml:lang="en-US" id="label_efr_UranerzPurchasePriceAllocationPlantAndEquipment_en-US">Uranerz Purchase Price Allocation Plant And Equipment</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationMineralProperties" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_UranerzPurchasePriceAllocationMineralProperties" xml:lang="en-US" id="label_efr_UranerzPurchasePriceAllocationMineralProperties_en-US">Uranerz Purchase Price Allocation Mineral Properties</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationIntangibleAssetsCustomerContracts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_UranerzPurchasePriceAllocationIntangibleAssetsCustomerContracts" xml:lang="en-US" id="label_efr_UranerzPurchasePriceAllocationIntangibleAssetsCustomerContracts_en-US">Uranerz Purchase Price Allocation Intangible Assets Customer Contracts</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationRestrictedCash" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_UranerzPurchasePriceAllocationRestrictedCash" xml:lang="en-US" id="label_efr_UranerzPurchasePriceAllocationRestrictedCash_en-US">Uranerz Purchase Price Allocation Restricted Cash</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationAccountsPayableAndAccruedLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_UranerzPurchasePriceAllocationAccountsPayableAndAccruedLiabilities" xml:lang="en-US" id="label_efr_UranerzPurchasePriceAllocationAccountsPayableAndAccruedLiabilities_en-US">Uranerz Purchase Price Allocation Accounts Payable And Accrued Liabilities</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationLoansAndBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_UranerzPurchasePriceAllocationLoansAndBorrowings" xml:lang="en-US" id="label_efr_UranerzPurchasePriceAllocationLoansAndBorrowings_en-US">Uranerz Purchase Price Allocation Loans And Borrowings</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationAssetRetirementObligation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_UranerzPurchasePriceAllocationAssetRetirementObligation" xml:lang="en-US" id="label_efr_UranerzPurchasePriceAllocationAssetRetirementObligation_en-US">Uranerz Purchase Price Allocation Asset Retirement Obligation</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationNonControllingInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_UranerzPurchasePriceAllocationNonControllingInterest" xml:lang="en-US" id="label_efr_UranerzPurchasePriceAllocationNonControllingInterest_en-US">Uranerz Purchase Price Allocation Non Controlling Interest</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_UranerzPurchasePriceAllocationGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_UranerzPurchasePriceAllocationGoodwill" xml:lang="en-US" id="label_efr_UranerzPurchasePriceAllocationGoodwill_en-US">Uranerz Purchase Price Allocation Goodwill</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_TradeReceivablesMineralConcentrateSalesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_TradeReceivablesMineralConcentrateSalesMember" xml:lang="en-US" id="label_efr_TradeReceivablesMineralConcentrateSalesMember_en-US">Trade Receivables Mineral Concentrate Sales [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_TradeReceivablesOtherMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_TradeReceivablesOtherMember" xml:lang="en-US" id="label_efr_TradeReceivablesOtherMember_en-US">Trade Receivables Other [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_AccountsReceivableNetCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_AccountsReceivableNetCurrent" xml:lang="en-US" id="label_us-gaap_AccountsReceivableNetCurrent_en-US">Accounts Receivable, Net, Current</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_InventoryWorkInProcess" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_InventoryWorkInProcess" xml:lang="en-US" id="label_us-gaap_InventoryWorkInProcess_en-US">Concentrates and work-in-progress</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_InventoryOfOreInStockpiles" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_InventoryOfOreInStockpiles" xml:lang="en-US" id="label_efr_InventoryOfOreInStockpiles_en-US">Inventory Of Ore In Stockpiles</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_InventoryRawMaterials" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_InventoryRawMaterials" xml:lang="en-US" id="label_us-gaap_InventoryRawMaterials_en-US">Raw materials and consumables</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_InventoryCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_InventoryCurrent" xml:lang="en-US" id="label_efr_InventoryCurrent_en-US">Inventory Current</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_SalesContractsCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_SalesContractsCost" xml:lang="en-US" id="label_efr_SalesContractsCost_en-US">Sales Contracts Cost</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_SalesContractsAcquiredInTheAcquisitionOfUranerz" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_SalesContractsAcquiredInTheAcquisitionOfUranerz" xml:lang="en-US" id="label_efr_SalesContractsAcquiredInTheAcquisitionOfUranerz_en-US">Sales Contracts Acquired In The Acquisition Of Uranerz</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xml:lang="en-US" id="label_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_en-US">Accumulated amortization, beginning of period</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_OtherDepreciationAndAmortization" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_OtherDepreciationAndAmortization" xml:lang="en-US" id="label_us-gaap_OtherDepreciationAndAmortization_en-US">Amortization of sales contracts</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_PropertyPlantAndEquipmentGross" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_PropertyPlantAndEquipmentGross" xml:lang="en-US" id="label_us-gaap_PropertyPlantAndEquipmentGross_en-US">Property, Plant and Equipment, Gross</link:label>
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    <link:label xlink:type="resource" xlink:label="label_efr_InsituRecoveryTotalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_InsituRecoveryTotalMember" xml:lang="en-US" id="label_efr_InsituRecoveryTotalMember_en-US">Insitu Recovery Total [Member]</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_AssetRetirementObligationLiabilitiesSettled" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_AssetRetirementObligationLiabilitiesSettled" xml:lang="en-US" id="label_us-gaap_AssetRetirementObligationLiabilitiesSettled_en-US">Settlements</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_RestrictedCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_RestrictedCashAndCashEquivalents" xml:lang="en-US" id="label_us-gaap_RestrictedCashAndCashEquivalents_en-US">Restricted cash, beginning of period</link:label>
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    <link:label xlink:type="resource" xlink:label="label_efr_RefundsAndReturnsForThePeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_RefundsAndReturnsForThePeriod" xml:lang="en-US" id="label_efr_RefundsAndReturnsForThePeriod_en-US">Refunds And Returns For The Period</link:label>
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    <link:label xlink:type="resource" xlink:label="label_efr_WyomingIndustrialDevelopmentRevenueBondLoanCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_WyomingIndustrialDevelopmentRevenueBondLoanCurrent" xml:lang="en-US" id="label_efr_WyomingIndustrialDevelopmentRevenueBondLoanCurrent_en-US">Wyoming Industrial Development Revenue Bond Loan Current</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_FinanceLeasesAndOther" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_FinanceLeasesAndOther" xml:lang="en-US" id="label_efr_FinanceLeasesAndOther_en-US">Finance Leases And Other</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_OtherLongTermDebtNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_OtherLongTermDebtNoncurrent" xml:lang="en-US" id="label_us-gaap_OtherLongTermDebtNoncurrent_en-US">Finance leases and other Noncurrent</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent" xml:lang="en-US" id="label_us-gaap_DebtInstrumentConvertibleCarryingAmountOfTheEquityComponent_en-US">Debt Instrument, Convertible, Carrying Amount of Equity Component</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_JuneTwoTwoTwoZeroOneSixExpiryDateMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_JuneTwoTwoTwoZeroOneSixExpiryDateMember" xml:lang="en-US" id="label_efr_JuneTwoTwoTwoZeroOneSixExpiryDateMember_en-US">June Two Two Two Zero One Six Expiry Date [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_JuneOneFiveTwoZeroOneSixExpiryDateMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_JuneOneFiveTwoZeroOneSixExpiryDateMember" xml:lang="en-US" id="label_efr_JuneOneFiveTwoZeroOneSixExpiryDateMember_en-US">June One Five Two Zero One Six Expiry Date [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_MarchFiveTwoZeroOneSixExpiryDateMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_MarchFiveTwoZeroOneSixExpiryDateMember" xml:lang="en-US" id="label_efr_MarchFiveTwoZeroOneSixExpiryDateMember_en-US">March Five Two Zero One Six Expiry Date [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_JanuaryTwoFiveTwoZeroOneSevenExpiryDateMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_JanuaryTwoFiveTwoZeroOneSevenExpiryDateMember" xml:lang="en-US" id="label_efr_JanuaryTwoFiveTwoZeroOneSevenExpiryDateMember_en-US">January Two Five Two Zero One Seven Expiry Date [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_MarchOneFourTwoZeroOneNineExpiryDateMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_MarchOneFourTwoZeroOneNineExpiryDateMember" xml:lang="en-US" id="label_efr_MarchOneFourTwoZeroOneNineExpiryDateMember_en-US">March One Four Two Zero One Nine Expiry Date [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_ClassOfWarrantOrRightOutstandingWeightedAverageExercisePrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_ClassOfWarrantOrRightOutstandingWeightedAverageExercisePrice" xml:lang="en-US" id="label_efr_ClassOfWarrantOrRightOutstandingWeightedAverageExercisePrice_en-US">Class Of Warrant Or Right Outstanding Weighted Average Exercise Price</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ClassOfWarrantOrRightOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ClassOfWarrantOrRightOutstanding" xml:lang="en-US" id="label_us-gaap_ClassOfWarrantOrRightOutstanding_en-US">Warrants Outstanding</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_JuneTwoZeroOneTwoPrivatePlacementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_JuneTwoZeroOneTwoPrivatePlacementMember" xml:lang="en-US" id="label_efr_JuneTwoZeroOneTwoPrivatePlacementMember_en-US">June Two Zero One Two Private Placement [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_JuneTwoZeroOneThreePrivatePlacementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_JuneTwoZeroOneThreePrivatePlacementMember" xml:lang="en-US" id="label_efr_JuneTwoZeroOneThreePrivatePlacementMember_en-US">June Two Zero One Three Private Placement [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodRiskFreeInterestRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodRiskFreeInterestRate" xml:lang="en-US" id="label_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodRiskFreeInterestRate_en-US">Risk-free rate</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedDividendRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedDividendRate" xml:lang="en-US" id="label_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionValuationMethodExpectedDividendRate_en-US">Expected dividend yield</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xml:lang="en-US" id="label_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_en-US">Loss attributable to shareholders</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate" xml:lang="en-US" id="label_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_en-US">Risk-free interest rate</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xml:lang="en-US" id="label_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_en-US">Expected life (SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1)</link:label>
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    <link:label xlink:type="resource" xlink:label="label_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xml:lang="en-US" id="label_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_en-US">Expected dividend yield (ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate)</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_WeightedAverageExpectedLifeOfOption" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_WeightedAverageExpectedLifeOfOption" xml:lang="en-US" id="label_efr_WeightedAverageExpectedLifeOfOption_en-US">Weighted Average Expected Life Of Option</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_WeightedAverageGrantDateFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_WeightedAverageGrantDateFairValue" xml:lang="en-US" id="label_efr_WeightedAverageGrantDateFairValue_en-US">Weighted Average Grant Date Fair Value</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceTwo" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceTwo" xml:lang="en-US" id="label_efr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceTwo_en-US">Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price Two</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xml:lang="en-US" id="label_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price, Beginning of Period</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xml:lang="en-US" id="label_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xml:lang="en-US" id="label_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xml:lang="en-US" id="label_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xml:lang="en-US" id="label_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice" xml:lang="en-US" id="label_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice_en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod" xml:lang="en-US" id="label_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod_en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_ShareOptionPlanExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_ShareOptionPlanExpense" xml:lang="en-US" id="label_efr_ShareOptionPlanExpense_en-US">Share Option Plan Expense</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_ReplacementOptionsFromBusinessCombinationsAndAssetAcquisitions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_ReplacementOptionsFromBusinessCombinationsAndAssetAcquisitions" xml:lang="en-US" id="label_efr_ReplacementOptionsFromBusinessCombinationsAndAssetAcquisitions_en-US">Replacement Options From Business Combinations And Asset Acquisitions</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_ValueOfStockOptionsGranted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_ValueOfStockOptionsGranted" xml:lang="en-US" id="label_efr_ValueOfStockOptionsGranted_en-US">Value Of Stock Options Granted</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_StockoptionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_StockoptionMember" xml:lang="en-US" id="label_efr_StockoptionMember_en-US">Stockoption [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_RSUWeightedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_RSUWeightedMember" xml:lang="en-US" id="label_efr_RSUWeightedMember_en-US">R S U Weighted [Member]</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares" xml:lang="en-US" id="label_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares_en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue" xml:lang="en-US" id="label_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue_en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantedNonvestedNumberOfShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantedNonvestedNumberOfShares" xml:lang="en-US" id="label_efr_ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantedNonvestedNumberOfShares_en-US">Share Based Compensation Arrangement By Share Based Payment Award Granted Nonvested Number Of Shares</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantedNonvestedWeightedAverageGrantDateFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantedNonvestedWeightedAverageGrantDateFairValue" xml:lang="en-US" id="label_efr_ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantedNonvestedWeightedAverageGrantDateFairValue_en-US">Share Based Compensation Arrangement By Share Based Payment Award Granted Nonvested Weighted Average Grant Date Fair Value</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares" xml:lang="en-US" id="label_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares_en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue" xml:lang="en-US" id="label_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue_en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedOptionsSettledForEquityNumberOfShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedOptionsSettledForEquityNumberOfShares" xml:lang="en-US" id="label_efr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedOptionsSettledForEquityNumberOfShares_en-US">Share Based Compensation Arrangement By Share Based Payment Award Options Nonvested Options Settled For Equity Number Of Shares</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedOptionsSettledForEquityWeightedAverageGrantDateFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedOptionsSettledForEquityWeightedAverageGrantDateFairValue" xml:lang="en-US" id="label_efr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedOptionsSettledForEquityWeightedAverageGrantDateFairValue_en-US">Share Based Compensation Arrangement By Share Based Payment Award Options Nonvested Options Settled For Equity Weighted Average Grant Date Fair Value</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares" xml:lang="en-US" id="label_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares_en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Number of Shares</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue" xml:lang="en-US" id="label_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue_en-US">Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Weighted Average Grant Date Fair Value</link:label>
    <link:label xlink:type="resource" xlink:label="label_us-gaap_StockOptionPlanExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_us-gaap_StockOptionPlanExpense" xml:lang="en-US" id="label_us-gaap_StockOptionPlanExpense_en-US">Share option plan expense (StockOptionPlanExpense)</link:label>
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    <link:label xlink:type="resource" xlink:label="label_efr_UraniumConcentrates" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_UraniumConcentrates" xml:lang="en-US" id="label_efr_UraniumConcentrates_en-US">Uranium Concentrates</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_VanadiumConcentrates" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_VanadiumConcentrates" xml:lang="en-US" id="label_efr_VanadiumConcentrates_en-US">Vanadium Concentrates</link:label>
    <link:label xlink:type="resource" xlink:label="label_efr_AlternateFeedMaterialsProcessingAndOther" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="label_efr_AlternateFeedMaterialsProcessingAndOther" xml:lang="en-US" id="label_efr_AlternateFeedMaterialsProcessingAndOther_en-US">Alternate Feed Materials Processing And Other</link:label>
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