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    <link:label id="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_C503D26ED08AD8D8DD41E444CA6B360C_verboseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_C503D26ED08AD8D8DD41E444CA6B360C" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Adjustments to reconcile net loss to net cash used in operating activities:</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_C503D26ED08AD8D8DD41E444CA6B360C" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ShareBasedCompensation_BC43A92C4F9923630F3BE444CA6B269D_verboseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensation_BC43A92C4F9923630F3BE444CA6B269D" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Share-based compensation</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensation_BC43A92C4F9923630F3BE444CA6B269D_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensation_BC43A92C4F9923630F3BE444CA6B269D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-based Compensation</link:label>
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    <link:label id="lab_us-gaap_IncomeLossFromEquityMethodInvestments_87810C2D8EC582C8F936E444CA6B41B5_negatedLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromEquityMethodInvestments_87810C2D8EC582C8F936E444CA6B41B5" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">(Income) loss from equity investment</link:label>
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    <link:label id="lab_us-gaap_Depreciation_1C2FAE83DC7A3EBE5726E444CA6B1ABA_verboseLabel_en-US" xlink:label="lab_us-gaap_Depreciation_1C2FAE83DC7A3EBE5726E444CA6B1ABA" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Depreciation</link:label>
    <link:label id="lab_us-gaap_Depreciation_1C2FAE83DC7A3EBE5726E444CA6B1ABA_label_en-US" xlink:label="lab_us-gaap_Depreciation_1C2FAE83DC7A3EBE5726E444CA6B1ABA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Depreciation_1C2FAE83DC7A3EBE5726E444CA6B1ABA" xlink:to="lab_us-gaap_Depreciation_1C2FAE83DC7A3EBE5726E444CA6B1ABA" xlink:type="arc" />
    <link:label id="lab_fcel_Interestexpenseonpreferredstockobligations_335BC88D6AFDE4A8292EE444CA6B51AD_terseLabel_en-US" xlink:label="lab_fcel_Interestexpenseonpreferredstockobligations_335BC88D6AFDE4A8292EE444CA6B51AD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest expense on preferred stock obligations</link:label>
    <link:label id="lab_fcel_Interestexpenseonpreferredstockobligations_335BC88D6AFDE4A8292EE444CA6B51AD_label_en-US" xlink:label="lab_fcel_Interestexpenseonpreferredstockobligations_335BC88D6AFDE4A8292EE444CA6B51AD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest expense on preferred stock obligations</link:label>
    <link:label id="lab_fcel_Interestexpenseonpreferredstockobligations_335BC88D6AFDE4A8292EE444CA6B51AD_documentation_en-US" xlink:label="lab_fcel_Interestexpenseonpreferredstockobligations_335BC88D6AFDE4A8292EE444CA6B51AD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest expense on preferred stock obligations</link:label>
    <link:loc xlink:href="fcel-20130731.xsd#fcel_Interestexpenseonpreferredstockobligations" xlink:label="loc_fcel_Interestexpenseonpreferredstockobligations_335BC88D6AFDE4A8292EE444CA6B51AD" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OtherNoncashIncomeExpense_34FE68A1D822D597B60BE444CA6B9DBC_negatedLabel_en-US" xlink:label="lab_us-gaap_OtherNoncashIncomeExpense_34FE68A1D822D597B60BE444CA6B9DBC" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Other non-cash transactions, net</link:label>
    <link:label id="lab_us-gaap_OtherNoncashIncomeExpense_34FE68A1D822D597B60BE444CA6B9DBC_label_en-US" xlink:label="lab_us-gaap_OtherNoncashIncomeExpense_34FE68A1D822D597B60BE444CA6B9DBC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Noncash Income (Expense)</link:label>
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    <link:label id="lab_us-gaap_IncreaseDecreaseInOperatingAssetsAbstract_D90C140832FF9EEA0F2AE444CA6BDDC2_verboseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingAssetsAbstract_D90C140832FF9EEA0F2AE444CA6BDDC2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Decrease (increase) in operating assets:</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOperatingAssetsAbstract_D90C140832FF9EEA0F2AE444CA6BDDC2_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOperatingAssetsAbstract_D90C140832FF9EEA0F2AE444CA6BDDC2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Operating Assets [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingAssetsAbstract" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingAssetsAbstract_D90C140832FF9EEA0F2AE444CA6BDDC2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingAssetsAbstract_D90C140832FF9EEA0F2AE444CA6BDDC2" xlink:to="lab_us-gaap_IncreaseDecreaseInOperatingAssetsAbstract_D90C140832FF9EEA0F2AE444CA6BDDC2" xlink:type="arc" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsReceivable_29269E6060AB1C40809DE444CA6B00DC" xlink:type="locator" />
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_12DA565E1C8DD3C46431E444CA7A1186_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_12DA565E1C8DD3C46431E444CA7A1186" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash (used in) provided by investing activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_12DA565E1C8DD3C46431E444CA7A1186_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_12DA565E1C8DD3C46431E444CA7A1186" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_12DA565E1C8DD3C46431E444CA7A1186" xlink:type="locator" />
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    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_3D0BB6A460FF53490F67E444CA7A43F9_verboseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_3D0BB6A460FF53490F67E444CA7A43F9" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Cash flows from financing activities:</link:label>
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    <link:label id="lab_us-gaap_RepaymentsOfLongTermDebt_E4BC04CC2CA7980DDC03E444CA7A8AC0_negatedLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfLongTermDebt_E4BC04CC2CA7980DDC03E444CA7A8AC0" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Repayment of debt</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2013/elts/us-gaap-2013-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_E4BC04CC2CA7980DDC03E444CA7A8AC0" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ProceedsFromMinorityShareholders_7B1B46D56035330805D4E444CA7A5A88_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromMinorityShareholders_7B1B46D56035330805D4E444CA7A5A88" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds received for sale of noncontrolling interest in subsidiary</link:label>
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