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<!-- EDGAR Online I-Metrix Xcelerate Taxonomy Labels Linkbase, based on XBRL 2.1  http://www.edgar-online.com/ -->
<!-- Version: 6.19.4 -->
<!-- Round: 338cc10f-2556-4de0-8ef3-a50322015e59 -->
<!-- Creation date: 2012-10-24T12:22:01Z -->
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccrualForEnvironmentalLossContingencies_lbl" xml:lang="en-US" id="id_375129_504226_1_1">Accrual For Environmental Loss Contingencies</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="us-gaap_AccruedLiabilitiesCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccruedLiabilitiesCurrent_lbl" xml:lang="en-US" id="id_375129_511240_1_1">Accrued Liabilities Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccruedLiabilitiesCurrent_lbl" xml:lang="en-US" id="id_375129_511240_2_1">Accrued Liabilities</label>
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    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_AdjustmentForRateIncrease" xlink:label="utl_AdjustmentForRateIncrease"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_AdjustmentForRateIncrease_lbl" xml:lang="en-US" id="id_375129_602622_3_1">Adjustment for rate Increase</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_AdjustmentForRateIncrease_lbl" xml:lang="en-US" id="id_375129_602622_1_1">Adjustment For Rate Increase</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_AdjustmentForRateIncrease_lbl" xml:lang="en-US" id="id_375129_602622_2_1">Adjustment to recover the increased spending for vegetation management program and reliability enhancement program</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US" id="id_375129_502541_1_1">Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US" id="id_375129_502541_2_1">Adjustments to Reconcile Net Income to Cash Provided by Operating Activities:</label>
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    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_AllocatedShareBasedCompensationExpenseRecognitionPeriod" xlink:label="utl_AllocatedShareBasedCompensationExpenseRecognitionPeriod"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_AllocatedShareBasedCompensationExpenseRecognitionPeriod_lbl" xml:lang="en-US" id="id_375129_519410_3_1">Allocated Share Based Compensation Expense, Recognition Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_AllocatedShareBasedCompensationExpenseRecognitionPeriod_lbl" xml:lang="en-US" id="id_375129_519410_1_1">Allocated Share Based Compensation Expense Recognition Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_AllocatedShareBasedCompensationExpenseRecognitionPeriod_lbl" xml:lang="en-US" id="id_375129_519410_2_1">Share Compensation Recognition period</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AllOtherSegmentsMember" xlink:label="us-gaap_AllOtherSegmentsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AllOtherSegmentsMember_lbl" xml:lang="en-US" id="id_375129_503852_1_1">All Other Segments [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AllOtherSegmentsMember_lbl" xml:lang="en-US" id="id_375129_503852_2_1">All Other Segments</label>
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    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_AllowanceForDoubtfulAccountsPolicyTextBlock" xlink:label="utl_AllowanceForDoubtfulAccountsPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_AllowanceForDoubtfulAccountsPolicyTextBlock_lbl" xml:lang="en-US" id="id_375129_538338_3_1">Allowance For Doubtful Accounts, Policy</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_AllowanceForDoubtfulAccountsPolicyTextBlock_lbl" xml:lang="en-US" id="id_375129_538338_1_1">Allowance For Doubtful Accounts Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_AllowanceForDoubtfulAccountsPolicyTextBlock_lbl" xml:lang="en-US" id="id_375129_538338_2_1">Allowance for Doubtful Accounts</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable_lbl" xml:lang="en-US" id="id_375129_505541_1_1">Allowance For Doubtful Accounts Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AllowanceForDoubtfulAccountsReceivable_lbl" xml:lang="en-US" id="id_375129_505541_2_1">Allowance for Doubtful Accounts</label>
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    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_AmendmentEffectiveDate" xlink:label="utl_AmendmentEffectiveDate"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetRecoverableGasCostsMember_lbl" xml:lang="en-US" id="id_375129_498417_1_1">Asset Recoverable Gas Costs [Member]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetRecoveryDamagedPropertyCostsNoncurrent" xlink:label="us-gaap_AssetRecoveryDamagedPropertyCostsNoncurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetRecoveryDamagedPropertyCostsNoncurrent_lbl" xml:lang="en-US" id="id_375129_504433_1_1">Asset Recovery Damaged Property Costs Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AssetRecoveryDamagedPropertyCostsNoncurrent_lbl" xml:lang="en-US" id="id_375129_504433_2_1">Recovery of damage of electrical system</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_Assets" xlink:label="us-gaap_Assets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Assets_lbl" xml:lang="en-US" id="id_375129_507639_1_1">Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_Assets_lbl" xml:lang="en-US" id="id_375129_507639_2_1">Segment Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_Assets_lbl" xml:lang="en-US" id="id_375129_507639_6_1">TOTAL ASSETS</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsAbstract" xlink:label="us-gaap_AssetsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsAbstract_lbl" xml:lang="en-US" id="id_375129_498468_1_1">Assets [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AssetsAbstract_lbl" xml:lang="en-US" id="id_375129_498468_2_1">ASSETS:</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="us-gaap_AssetsCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsCurrent_lbl" xml:lang="en-US" id="id_375129_513098_1_1">Assets Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AssetsCurrent_lbl" xml:lang="en-US" id="id_375129_513098_6_1">Total Current Assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsCurrent" xlink:to="us-gaap_AssetsCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="us-gaap_AssetsCurrentAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xml:lang="en-US" id="id_375129_513511_1_1">Assets Current [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xml:lang="en-US" id="id_375129_513511_2_1">Current Assets:</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_AssetsNoncurrent" xlink:label="us-gaap_AssetsNoncurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsNoncurrent_lbl" xml:lang="en-US" id="id_375129_508534_1_1">Assets Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_AssetsNoncurrent_lbl" xml:lang="en-US" id="id_375129_508534_6_1">Total Noncurrent Assets</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BalanceSheetLocationAxis_lbl" xml:lang="en-US" id="id_375129_497966_1_1">Balance Sheet Location [Axis]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xml:lang="en-US" id="id_375129_498043_2_1">Basis of Presentation</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_CapitalExpenditures_lbl" xml:lang="en-US" id="id_375129_526666_3_1">Capital Expenditures</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CapitalizationLongtermDebtAndEquity_lbl" xml:lang="en-US" id="id_375129_506392_1_1">Capitalization Longterm Debt And Equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CapitalizationLongtermDebtAndEquity_lbl" xml:lang="en-US" id="id_375129_506392_6_1">Total Capitalization</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US" id="id_375129_510062_1_1">Cash And Cash Equivalents At Carrying Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US" id="id_375129_510062_4_1">Cash at End of Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US" id="id_375129_510062_5_1">Cash at Beginning of Period</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_lbl" xml:lang="en-US" id="id_375129_505888_1_1">Cash And Cash Equivalents Period Increase Decrease</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_lbl" xml:lang="en-US" id="id_375129_505888_6_1">Net Increase (Decrease) in Cash</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:to="us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CashMember" xlink:label="us-gaap_CashMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashMember_lbl" xml:lang="en-US" id="id_375129_501039_1_1">Cash [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CashMember_lbl" xml:lang="en-US" id="id_375129_501039_2_1">Cash</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashMember" xlink:to="us-gaap_CashMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_ChangeInNetIncomeLossDueToChangeInEstimates" xlink:label="utl_ChangeInNetIncomeLossDueToChangeInEstimates"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ChangeInNetIncomeLossDueToChangeInEstimates_lbl" xml:lang="en-US" id="id_375129_521874_3_1">Change in Net Income (Loss) due to Change in Estimates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_ChangeInNetIncomeLossDueToChangeInEstimates_lbl" xml:lang="en-US" id="id_375129_521874_1_1">Change In Net Income Loss Due To Change In Estimates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_ChangeInNetIncomeLossDueToChangeInEstimates_lbl" xml:lang="en-US" id="id_375129_521874_2_1">Income (loss) incurred in excess of recorded amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_ChangeInNetIncomeLossDueToChangeInEstimates" xlink:to="utl_ChangeInNetIncomeLossDueToChangeInEstimates_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:label="us-gaap_ClassOfStockDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ClassOfStockDomain_lbl" xml:lang="en-US" id="id_375129_508615_1_1">Class Of Stock [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ClassOfStockDomain_lbl" xml:lang="en-US" id="id_375129_508615_2_1">Class of Stock [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="us-gaap_ClassOfStockDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ClassOfStockLineItems" xlink:label="us-gaap_ClassOfStockLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ClassOfStockLineItems_lbl" xml:lang="en-US" id="id_375129_507793_1_1">Class Of Stock [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ClassOfStockLineItems_lbl" xml:lang="en-US" id="id_375129_507793_2_1">Class of Stock [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_ClassOfStockLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared" xlink:label="us-gaap_CommonStockDividendsPerShareDeclared"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockDividendsPerShareDeclared_lbl" xml:lang="en-US" id="id_375129_503138_1_1">Common Stock Dividends Per Share Declared</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommonStockDividendsPerShareDeclared_lbl" xml:lang="en-US" id="id_375129_503138_2_1">Dividend Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CommonStockDividendsPerShareDeclared_lbl" xml:lang="en-US" id="id_375129_503138_12_1">Dividends Declared Per Share of Common Stock</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockDividendsPerShareDeclared" xlink:to="us-gaap_CommonStockDividendsPerShareDeclared_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockMember" xlink:label="us-gaap_CommonStockMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockMember_lbl" xml:lang="en-US" id="id_375129_501348_1_1">Common Stock [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommonStockMember_lbl" xml:lang="en-US" id="id_375129_501348_2_1">Common Stock</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockMember" xlink:to="us-gaap_CommonStockMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_CommonStockOfferingMember" xlink:label="utl_CommonStockOfferingMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_CommonStockOfferingMember_lbl" xml:lang="en-US" id="id_375129_593156_3_1">Common Stock Offering [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_CommonStockOfferingMember_lbl" xml:lang="en-US" id="id_375129_593156_1_1">Common Stock Offering [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_CommonStockOfferingMember_lbl" xml:lang="en-US" id="id_375129_593156_2_1">Common Stock Offering</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_CommonStockOfferingMember" xlink:to="utl_CommonStockOfferingMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesIssued" xlink:label="us-gaap_CommonStockSharesIssued"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xml:lang="en-US" id="id_375129_510226_1_1">Common Stock Shares Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xml:lang="en-US" id="id_375129_510226_2_1">Common stock, share issued</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesIssued" xlink:to="us-gaap_CommonStockSharesIssued_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockSharesOutstanding" xlink:label="us-gaap_CommonStockSharesOutstanding"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xml:lang="en-US" id="id_375129_504150_1_1">Common Stock Shares Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xml:lang="en-US" id="id_375129_504150_2_1">Common stock, share outstanding</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesOutstanding" xlink:to="us-gaap_CommonStockSharesOutstanding_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_CommonStockValue" xlink:label="us-gaap_CommonStockValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockValue_lbl" xml:lang="en-US" id="id_375129_512456_1_1">Common Stock Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommonStockValue_lbl" xml:lang="en-US" id="id_375129_512456_2_1">Common Stock Equity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockValue" xlink:to="us-gaap_CommonStockValue_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_ComponentsOfCostsAndExpensesDisclosureAxis" xlink:label="utl_ComponentsOfCostsAndExpensesDisclosureAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ComponentsOfCostsAndExpensesDisclosureAxis_lbl" xml:lang="en-US" id="id_375129_530629_3_1">Components of Costs and Expenses Disclosure [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_ComponentsOfCostsAndExpensesDisclosureAxis_lbl" xml:lang="en-US" id="id_375129_530629_1_1">Components Of Costs And Expenses Disclosure [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_ComponentsOfCostsAndExpensesDisclosureAxis_lbl" xml:lang="en-US" id="id_375129_530629_2_1">Components of Costs and Expenses Disclosure</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_ComponentsOfCostsAndExpensesDisclosureAxis" xlink:to="utl_ComponentsOfCostsAndExpensesDisclosureAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_ComponentsOfCostsAndExpensesDisclosureDomain" xlink:label="utl_ComponentsOfCostsAndExpensesDisclosureDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ComponentsOfCostsAndExpensesDisclosureDomain_lbl" xml:lang="en-US" id="id_375129_531587_3_1">Components of Costs and Expenses Disclosure [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_ComponentsOfCostsAndExpensesDisclosureDomain_lbl" xml:lang="en-US" id="id_375129_531587_1_1">Components Of Costs And Expenses Disclosure [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_ComponentsOfCostsAndExpensesDisclosureDomain_lbl" xml:lang="en-US" id="id_375129_531587_2_1">Components of Costs and Expenses Disclosure [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_ComponentsOfCostsAndExpensesDisclosureDomain" xlink:to="utl_ComponentsOfCostsAndExpensesDisclosureDomain_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ContingentConsiderationByTypeAxis_lbl" xml:lang="en-US" id="id_375129_499645_1_1">Contingent Consideration By Type [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ContingentConsiderationByTypeAxis_lbl" xml:lang="en-US" id="id_375129_499645_2_1">Contingent Consideration by Type</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContingentConsiderationByTypeAxis" xlink:to="us-gaap_ContingentConsiderationByTypeAxis_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ContingentConsiderationTypeDomain_lbl" xml:lang="en-US" id="id_375129_512447_1_1">Contingent Consideration Type [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ContingentConsiderationTypeDomain_lbl" xml:lang="en-US" id="id_375129_512447_2_1">Contingent Consideration Type [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContingentConsiderationTypeDomain" xlink:to="us-gaap_ContingentConsiderationTypeDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_CourtMember" xlink:label="utl_CourtMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_CourtMember_lbl" xml:lang="en-US" id="id_375129_536482_3_1">Court [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_CourtMember_lbl" xml:lang="en-US" id="id_375129_536482_1_1">Court [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_CourtMember_lbl" xml:lang="en-US" id="id_375129_536482_2_1">Court</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_CourtMember" xlink:to="utl_CourtMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CumulativePreferredStockMember_lbl" xml:lang="en-US" id="id_375129_506820_1_1">Cumulative Preferred Stock [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CumulativePreferredStockMember_lbl" xml:lang="en-US" id="id_375129_506820_2_1">Cumulative Preferred Stock</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_DefinedBenefitPlanGrossPeriodicBenefitCost_lbl" xml:lang="en-US" id="id_375129_521562_3_1">The gross amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain or loss, prior service cost or credit, transition asset or obligation, and gain or loss due to settlements or curtailments).</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral_lbl" xml:lang="en-US" id="id_375129_511548_2_1">Natural Gas Futures Contracts</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DividendsPayableDateOfRecordDayMonthAndYear_lbl" xml:lang="en-US" id="id_375129_511527_1_1">Dividends Payable Date Of Record Day Month And Year</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DividendsPayableLineItems_lbl" xml:lang="en-US" id="id_375129_505841_2_1">Dividends Payable [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsPayableLineItems" xlink:to="us-gaap_DividendsPayableLineItems_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DividendsPayableTable_lbl" xml:lang="en-US" id="id_375129_499734_1_1">Dividends Payable [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DividendsPayableTable_lbl" xml:lang="en-US" id="id_375129_499734_2_1">Dividends Payable [Table]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_DocumentDocumentandEntityInformationAbstract_lbl" xml:lang="en-US" id="id_375129_604557_3_1">Document Documentand Entity Information [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_DocumentDocumentandEntityInformationAbstract_lbl" xml:lang="en-US" id="id_375129_604557_1_1">Document Documentand Entity Information [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_DocumentDocumentandEntityInformationAbstract_lbl" xml:lang="en-US" id="id_375129_604557_2_1">Document Documentand Entity Information [Abstract]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xml:lang="en-US" id="id_375129_497755_1_1">Document Fiscal Period Focus</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xml:lang="en-US" id="id_375129_497755_2_1">Document Fiscal Period Focus</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentFiscalYearFocus_lbl" xml:lang="en-US" id="id_375129_497802_1_1">Document Fiscal Year Focus</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_DocumentFiscalYearFocus_lbl" xml:lang="en-US" id="id_375129_497802_2_1">Document Fiscal Year Focus</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_DocumentInformationLineItems_lbl" xml:lang="en-US" id="id_375129_497700_2_1">Document Information [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentInformationLineItems" xlink:to="dei_DocumentInformationLineItems_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_DocumentPeriodEndDate_lbl" xml:lang="en-US" id="id_375129_497817_2_1">Document Period End Date</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_EarningsPerShareBasicAndDiluted_lbl" xml:lang="en-US" id="id_375129_502527_2_1">Earnings Per Common Share (Basic and Diluted)</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_EntityDomain_lbl" xml:lang="en-US" id="id_375129_497798_2_1">Entity [Domain]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_EnvironmentalMattersMember_lbl" xml:lang="en-US" id="id_375129_534973_3_1">Environmental Matters [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_EnvironmentalMattersMember_lbl" xml:lang="en-US" id="id_375129_534973_1_1">Environmental Matters [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_EnvironmentalMattersMember_lbl" xml:lang="en-US" id="id_375129_534973_2_1">Environmental Matters</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_FederalMember_lbl" xml:lang="en-US" id="id_375129_532681_3_1">Federal [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_FederalMember_lbl" xml:lang="en-US" id="id_375129_532681_1_1">Federal [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_FederalMember_lbl" xml:lang="en-US" id="id_375129_532681_2_1">Federal</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_FederalMember" xlink:to="utl_FederalMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_FirstMortgageBondsEightPointFourNinePercentDueOctoberFourteenTwentyTwentyFourMember" xlink:label="utl_FirstMortgageBondsEightPointFourNinePercentDueOctoberFourteenTwentyTwentyFourMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_FirstMortgageBondsEightPointFourNinePercentDueOctoberFourteenTwentyTwentyFourMember_lbl" xml:lang="en-US" id="id_375129_599705_3_1">First Mortgage Bonds Eight Point Four Nine Percent Due October Fourteen Twenty Twenty Four [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_FirstMortgageBondsEightPointFourNinePercentDueOctoberFourteenTwentyTwentyFourMember_lbl" xml:lang="en-US" id="id_375129_599705_1_1">First Mortgage Bonds Eight Point Four Nine Percent Due October Fourteen Twenty Twenty Four [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_FirstMortgageBondsEightPointFourNinePercentDueOctoberFourteenTwentyTwentyFourMember_lbl" xml:lang="en-US" id="id_375129_599705_2_1">First Mortgage Bonds Eight Point Four Nine Percent Due October Fourteen Twenty Twenty Four</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_FirstMortgageBondsEightPointFourNinePercentDueOctoberFourteenTwentyTwentyFourMember" xlink:to="utl_FirstMortgageBondsEightPointFourNinePercentDueOctoberFourteenTwentyTwentyFourMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_FirstMortgageBondsEightPointZeroZeroPercentDueMayOneTwentyThirtyOneMember" xlink:label="utl_FirstMortgageBondsEightPointZeroZeroPercentDueMayOneTwentyThirtyOneMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_FirstMortgageBondsEightPointZeroZeroPercentDueMayOneTwentyThirtyOneMember_lbl" xml:lang="en-US" id="id_375129_599707_3_1">First Mortgage Bonds Eight Point Zero Zero Percent Due May One Twenty Thirty One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_FirstMortgageBondsEightPointZeroZeroPercentDueMayOneTwentyThirtyOneMember_lbl" xml:lang="en-US" id="id_375129_599707_1_1">First Mortgage Bonds Eight Point Zero Zero Percent Due May One Twenty Thirty One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_FirstMortgageBondsEightPointZeroZeroPercentDueMayOneTwentyThirtyOneMember_lbl" xml:lang="en-US" id="id_375129_599707_2_1">First Mortgage Bonds Eight Point Zero Zero Percent Due May One Twenty Thirty One</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_FirstMortgageBondsEightPointZeroZeroPercentDueMayOneTwentyThirtyOneMember" xlink:to="utl_FirstMortgageBondsEightPointZeroZeroPercentDueMayOneTwentyThirtyOneMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_FirstMortgageBondsFivePointTwoFourPercentDueMarchTwoTwentyTwentyMember" xlink:label="utl_FirstMortgageBondsFivePointTwoFourPercentDueMarchTwoTwentyTwentyMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_FirstMortgageBondsFivePointTwoFourPercentDueMarchTwoTwentyTwentyMember_lbl" xml:lang="en-US" id="id_375129_599704_3_1">First Mortgage Bonds Five Point Two Four Percent Due March Two Twenty Twenty [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_FirstMortgageBondsFivePointTwoFourPercentDueMarchTwoTwentyTwentyMember_lbl" xml:lang="en-US" id="id_375129_599704_1_1">First Mortgage Bonds Five Point Two Four Percent Due March Two Twenty Twenty [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_FirstMortgageBondsFivePointTwoFourPercentDueMarchTwoTwentyTwentyMember_lbl" xml:lang="en-US" id="id_375129_599704_2_1">First Mortgage Bonds Five Point Two Four Percent Due March Two Twenty Twenty</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_FirstMortgageBondsFivePointTwoFourPercentDueMarchTwoTwentyTwentyMember" xlink:to="utl_FirstMortgageBondsFivePointTwoFourPercentDueMarchTwoTwentyTwentyMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_FirstMortgageBondsSixPointNineSixPercentDueSeptemberOneTwentyTwentyEightMember" xlink:label="utl_FirstMortgageBondsSixPointNineSixPercentDueSeptemberOneTwentyTwentyEightMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_FirstMortgageBondsSixPointNineSixPercentDueSeptemberOneTwentyTwentyEightMember_lbl" xml:lang="en-US" id="id_375129_599706_3_1">First Mortgage Bonds Six Point Nine Six Percent Due September One Twenty Twenty Eight [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_FirstMortgageBondsSixPointNineSixPercentDueSeptemberOneTwentyTwentyEightMember_lbl" xml:lang="en-US" id="id_375129_599706_1_1">First Mortgage Bonds Six Point Nine Six Percent Due September One Twenty Twenty Eight [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_FirstMortgageBondsSixPointNineSixPercentDueSeptemberOneTwentyTwentyEightMember_lbl" xml:lang="en-US" id="id_375129_599706_2_1">First Mortgage Bonds Six Point Nine Six Percent Due September One Twenty Twenty Eight</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_FirstMortgageBondsSixPointNineSixPercentDueSeptemberOneTwentyTwentyEightMember" xlink:to="utl_FirstMortgageBondsSixPointNineSixPercentDueSeptemberOneTwentyTwentyEightMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_FirstMortgageBondsSixPointThreeTwoPercentDueSeptemberFifteenTwentyThirtySixMember" xlink:label="utl_FirstMortgageBondsSixPointThreeTwoPercentDueSeptemberFifteenTwentyThirtySixMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_FirstMortgageBondsSixPointThreeTwoPercentDueSeptemberFifteenTwentyThirtySixMember_lbl" xml:lang="en-US" id="id_375129_599708_3_1">First Mortgage Bonds Six Point Three Two Percent Due September Fifteen Twenty Thirty Six [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_FirstMortgageBondsSixPointThreeTwoPercentDueSeptemberFifteenTwentyThirtySixMember_lbl" xml:lang="en-US" id="id_375129_599708_1_1">First Mortgage Bonds Six Point Three Two Percent Due September Fifteen Twenty Thirty Six [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_FirstMortgageBondsSixPointThreeTwoPercentDueSeptemberFifteenTwentyThirtySixMember_lbl" xml:lang="en-US" id="id_375129_599708_2_1">First Mortgage Bonds Six Point Three Two Percent Due September Fifteen Twenty Thirty Six</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_FirstMortgageBondsSixPointThreeTwoPercentDueSeptemberFifteenTwentyThirtySixMember" xlink:to="utl_FirstMortgageBondsSixPointThreeTwoPercentDueSeptemberFifteenTwentyThirtySixMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_FitchburgGasAndElectricLightCompanyMember" xlink:label="utl_FitchburgGasAndElectricLightCompanyMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_FitchburgGasAndElectricLightCompanyMember_lbl" xml:lang="en-US" id="id_375129_599720_3_1">Fitchburg Gas and Electric Light Company [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_FitchburgGasAndElectricLightCompanyMember_lbl" xml:lang="en-US" id="id_375129_599720_1_1">Fitchburg Gas And Electric Light Company [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_FitchburgGasAndElectricLightCompanyMember_lbl" xml:lang="en-US" id="id_375129_599720_2_1">Fitchburg Gas and Electric Light Company</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_FitchburgGasAndElectricLightCompanyMember" xlink:to="utl_FitchburgGasAndElectricLightCompanyMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_GasDistributionMember" xlink:label="us-gaap_GasDistributionMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GasDistributionMember_lbl" xml:lang="en-US" id="id_375129_514695_1_1">Gas Distribution [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GasDistributionMember_lbl" xml:lang="en-US" id="id_375129_514695_2_1">Gas Distribution</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GasDistributionMember" xlink:to="us-gaap_GasDistributionMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_GasPurchaseCostsMember" xlink:label="utl_GasPurchaseCostsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_GasPurchaseCostsMember_lbl" xml:lang="en-US" id="id_375129_531359_3_1">Gas Purchase Costs [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_GasPurchaseCostsMember_lbl" xml:lang="en-US" id="id_375129_531359_1_1">Gas Purchase Costs [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_GasPurchaseCostsMember_lbl" xml:lang="en-US" id="id_375129_531359_2_1">Gas Purchase Costs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_GasPurchaseCostsMember" xlink:to="utl_GasPurchaseCostsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_GasSegmentMember" xlink:label="utl_GasSegmentMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_GasSegmentMember_lbl" xml:lang="en-US" id="id_375129_532591_3_1">Gas Segment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_GasSegmentMember_lbl" xml:lang="en-US" id="id_375129_532591_1_1">Gas Segment [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_GasSegmentMember_lbl" xml:lang="en-US" id="id_375129_532591_2_1">Gas Segment</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_GasSegmentMember" xlink:to="utl_GasSegmentMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_GasTransportationAndStorageMember" xlink:label="utl_GasTransportationAndStorageMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_GasTransportationAndStorageMember_lbl" xml:lang="en-US" id="id_375129_532007_3_1">Gas Transportation and Storage [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_GasTransportationAndStorageMember_lbl" xml:lang="en-US" id="id_375129_532007_1_1">Gas Transportation And Storage [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_GasTransportationAndStorageMember_lbl" xml:lang="en-US" id="id_375129_532007_2_1">Gas Transportation and Storage</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_GasTransportationAndStorageMember" xlink:to="utl_GasTransportationAndStorageMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_GraniteStateGasTransmissionIncMember" xlink:label="utl_GraniteStateGasTransmissionIncMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_GraniteStateGasTransmissionIncMember_lbl" xml:lang="en-US" id="id_375129_599722_3_1">Granite State Gas Transmission Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_GraniteStateGasTransmissionIncMember_lbl" xml:lang="en-US" id="id_375129_599722_1_1">Granite State Gas Transmission Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_GraniteStateGasTransmissionIncMember_lbl" xml:lang="en-US" id="id_375129_599722_2_1">Granite State Gas Transmission Inc</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_GraniteStateGasTransmissionIncMember" xlink:to="utl_GraniteStateGasTransmissionIncMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_GroupEightMember" xlink:label="utl_GroupEightMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_GroupEightMember_lbl" xml:lang="en-US" id="id_375129_537113_3_1">Group Eight [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_GroupEightMember_lbl" xml:lang="en-US" id="id_375129_537113_1_1">Group Eight [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_GroupEightMember_lbl" xml:lang="en-US" id="id_375129_537113_2_1">Group Eight</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_GroupEightMember" xlink:to="utl_GroupEightMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_GroupFiveMember" xlink:label="utl_GroupFiveMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_GroupFiveMember_lbl" xml:lang="en-US" id="id_375129_537110_3_1">Group Five [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_GroupFiveMember_lbl" xml:lang="en-US" id="id_375129_537110_1_1">Group Five [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_GroupFiveMember_lbl" xml:lang="en-US" id="id_375129_537110_2_1">Group Five</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_GroupFiveMember" xlink:to="utl_GroupFiveMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_GroupFourMember" xlink:label="utl_GroupFourMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_GroupFourMember_lbl" xml:lang="en-US" id="id_375129_537109_3_1">Group Four [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_GroupFourMember_lbl" xml:lang="en-US" id="id_375129_537109_1_1">Group Four [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_GroupFourMember_lbl" xml:lang="en-US" id="id_375129_537109_2_1">Group Four</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_GroupFourMember" xlink:to="utl_GroupFourMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_GroupOneMember" xlink:label="utl_GroupOneMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_GroupOneMember_lbl" xml:lang="en-US" id="id_375129_537106_3_1">Group One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_GroupOneMember_lbl" xml:lang="en-US" id="id_375129_537106_1_1">Group One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_GroupOneMember_lbl" xml:lang="en-US" id="id_375129_537106_2_1">Group One</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_GroupOneMember" xlink:to="utl_GroupOneMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_GroupSevenMember" xlink:label="utl_GroupSevenMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_GroupSevenMember_lbl" xml:lang="en-US" id="id_375129_537112_3_1">Group Seven [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_GroupSevenMember_lbl" xml:lang="en-US" id="id_375129_537112_1_1">Group Seven [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_GroupSevenMember_lbl" xml:lang="en-US" id="id_375129_537112_2_1">Group Seven</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_GroupSevenMember" xlink:to="utl_GroupSevenMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_GroupSixMember" xlink:label="utl_GroupSixMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_GroupSixMember_lbl" xml:lang="en-US" id="id_375129_537111_3_1">Group Six [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_GroupSixMember_lbl" xml:lang="en-US" id="id_375129_537111_1_1">Group Six [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_GroupSixMember_lbl" xml:lang="en-US" id="id_375129_537111_2_1">Group Six</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_GroupSixMember" xlink:to="utl_GroupSixMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_GroupThreeMember" xlink:label="utl_GroupThreeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_GroupThreeMember_lbl" xml:lang="en-US" id="id_375129_537108_3_1">Group Three [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_GroupThreeMember_lbl" xml:lang="en-US" id="id_375129_537108_1_1">Group Three [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_GroupThreeMember_lbl" xml:lang="en-US" id="id_375129_537108_2_1">Group Three</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_GroupThreeMember" xlink:to="utl_GroupThreeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_GroupTwoMember" xlink:label="utl_GroupTwoMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_GroupTwoMember_lbl" xml:lang="en-US" id="id_375129_537107_3_1">Group Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_GroupTwoMember_lbl" xml:lang="en-US" id="id_375129_537107_1_1">Group Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_GroupTwoMember_lbl" xml:lang="en-US" id="id_375129_537107_2_1">Group Two</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_GroupTwoMember" xlink:to="utl_GroupTwoMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_GuaranteeEndDate" xlink:label="utl_GuaranteeEndDate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_GuaranteeEndDate_lbl" xml:lang="en-US" id="id_375129_591851_3_1">Guarantee End Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_GuaranteeEndDate_lbl" xml:lang="en-US" id="id_375129_591851_1_1">Guarantee End Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_GuaranteeEndDate_lbl" xml:lang="en-US" id="id_375129_591851_2_1">Guarantee end date</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeStatementAbstract_lbl" xml:lang="en-US" id="id_375129_509240_1_1">Income Statement [Abstract]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxAuthorityAxis_lbl" xml:lang="en-US" id="id_375129_508681_1_1">Income Tax Authority [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncomeTaxAuthorityAxis_lbl" xml:lang="en-US" id="id_375129_508681_2_1">Income Tax Authority</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncomeTaxAuthorityDomain_lbl" xml:lang="en-US" id="id_375129_508442_2_1">Income Tax Authority [Domain]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xml:lang="en-US" id="id_375129_510106_1_1">Income Tax Disclosure [Text Block]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl" xml:lang="en-US" id="id_375129_511420_1_1">Income Taxes Paid Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl" xml:lang="en-US" id="id_375129_511420_2_1">Income Taxes Paid (Refunded)</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxExaminationDescription" xlink:label="us-gaap_IncomeTaxExaminationDescription"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxExaminationDescription_lbl" xml:lang="en-US" id="id_375129_511388_1_1">Income Tax Examination Description</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncomeTaxExaminationDescription_lbl" xml:lang="en-US" id="id_375129_511388_2_1">Tax examination description</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="us-gaap_IncomeTaxExpenseBenefit"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_375129_513638_1_1">Income Tax Expense Benefit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xml:lang="en-US" id="id_375129_513638_2_1">Federal and State Income</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxExpenseBenefit" xlink:to="us-gaap_IncomeTaxExpenseBenefit_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncomeTaxExpenseBenefitAbstract" xlink:label="us-gaap_IncomeTaxExpenseBenefitAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxExpenseBenefitAbstract_lbl" xml:lang="en-US" id="id_375129_514452_1_1">Income Tax Expense Benefit [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncomeTaxExpenseBenefitAbstract_lbl" xml:lang="en-US" id="id_375129_514452_2_1">Provisions (Benefit) for Taxes:</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_IncomeTaxNetOperatingLoss_lbl" xml:lang="en-US" id="id_375129_617008_3_1">Represents the Net Operating Loss for income tax purposes.</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayable" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayable_lbl" xml:lang="en-US" id="id_375129_499519_1_1">Increase Decrease In Accounts Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayable_lbl" xml:lang="en-US" id="id_375129_499519_2_1">Accounts Payable</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable_lbl" xml:lang="en-US" id="id_375129_507537_1_1">Increase Decrease In Accounts Receivable</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable_lbl" xml:lang="en-US" id="id_375129_507537_8_1">Accounts Receivable</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:to="us-gaap_IncreaseDecreaseInAccountsReceivable_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_IncreaseDecreaseInAccruedRevenueShare" xlink:label="utl_IncreaseDecreaseInAccruedRevenueShare"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_IncreaseDecreaseInAccruedRevenueShare_lbl" xml:lang="en-US" id="id_375129_520173_3_1">The net change during the reporting period in accrued revenue share.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_IncreaseDecreaseInAccruedRevenueShare_lbl" xml:lang="en-US" id="id_375129_520173_1_1">Increase Decrease In Accrued Revenue Share</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_IncreaseDecreaseInAccruedRevenueShare" xlink:to="utl_IncreaseDecreaseInAccruedRevenueShare_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_IncreaseDecreaseInCostsInExcessOfBillings" xlink:label="utl_IncreaseDecreaseInCostsInExcessOfBillings"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_IncreaseDecreaseInCostsInExcessOfBillings_lbl" xml:lang="en-US" id="id_375129_523849_3_1">Increase Decrease In Costs In Excess Of Billings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_IncreaseDecreaseInCostsInExcessOfBillings_lbl" xml:lang="en-US" id="id_375129_523849_1_1">Increase Decrease In Costs In Excess Of Billings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_IncreaseDecreaseInCostsInExcessOfBillings_lbl" xml:lang="en-US" id="id_375129_523849_2_1">Customer's Overpayment Amount</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_IncreaseDecreaseInCostsInExcessOfBillings" xlink:to="utl_IncreaseDecreaseInCostsInExcessOfBillings_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInDeferredElectricCost" xlink:label="us-gaap_IncreaseDecreaseInDeferredElectricCost"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInDeferredElectricCost_lbl" xml:lang="en-US" id="id_375129_498330_1_1">Increase Decrease In Deferred Electric Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncreaseDecreaseInDeferredElectricCost_lbl" xml:lang="en-US" id="id_375129_498330_2_1">Deferred Emergency Storm Restoration Cost</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInDeferredElectricCost" xlink:to="us-gaap_IncreaseDecreaseInDeferredElectricCost_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInEstimatedFutureDevelopmentCosts" xlink:label="us-gaap_IncreaseDecreaseInEstimatedFutureDevelopmentCosts"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInEstimatedFutureDevelopmentCosts_lbl" xml:lang="en-US" id="id_375129_510754_1_1">Increase Decrease In Estimated Future Development Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncreaseDecreaseInEstimatedFutureDevelopmentCosts_lbl" xml:lang="en-US" id="id_375129_510754_2_1">Estimated increases for Capital Improvement</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInEstimatedFutureDevelopmentCosts" xlink:to="us-gaap_IncreaseDecreaseInEstimatedFutureDevelopmentCosts_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInFossilFuelInventories" xlink:label="us-gaap_IncreaseDecreaseInFossilFuelInventories"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInFossilFuelInventories_lbl" xml:lang="en-US" id="id_375129_508300_1_1">Increase Decrease In Fossil Fuel Inventories</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="us-gaap_IncreaseDecreaseInFossilFuelInventories_lbl" xml:lang="en-US" id="id_375129_508300_8_1">Gas Inventory</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInFossilFuelInventories" xlink:to="us-gaap_IncreaseDecreaseInFossilFuelInventories_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_IncreaseDecreaseInGasInventoryFinancing" xlink:label="utl_IncreaseDecreaseInGasInventoryFinancing"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_IncreaseDecreaseInGasInventoryFinancing_lbl" xml:lang="en-US" id="id_375129_563952_3_1">The net change during the reporting period in gas inventory financing.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_IncreaseDecreaseInGasInventoryFinancing_lbl" xml:lang="en-US" id="id_375129_563952_1_1">Increase Decrease In Gas Inventory Financing</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_IncreaseDecreaseInGasInventoryFinancing_lbl" xml:lang="en-US" id="id_375129_563952_2_1">Net Increase (Decrease) in Gas Inventory Financing</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_IncreaseDecreaseInGasInventoryFinancing" xlink:to="utl_IncreaseDecreaseInGasInventoryFinancing_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInIncomeTaxesReceivable" xlink:label="us-gaap_IncreaseDecreaseInIncomeTaxesReceivable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInIncomeTaxesReceivable_lbl" xml:lang="en-US" id="id_375129_503314_1_1">Increase Decrease In Income Taxes Receivable</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="us-gaap_IncreaseDecreaseInIncomeTaxesReceivable_lbl" xml:lang="en-US" id="id_375129_503314_8_1">Taxes Refundable / Payable</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xml:lang="en-US" id="id_375129_503089_1_1">Increase Decrease In Operating Capital [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xml:lang="en-US" id="id_375129_503089_2_1">Changes in Working Capital Items:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:to="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet" xlink:label="us-gaap_IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet_lbl" xml:lang="en-US" id="id_375129_514051_1_1">Increase Decrease In Other Current Assets And Liabilities Net</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="us-gaap_IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet_lbl" xml:lang="en-US" id="id_375129_514051_8_1">Other Changes in Working Capital Items</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet" xlink:to="us-gaap_IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_lbl" xml:lang="en-US" id="id_375129_501003_1_1">Increase Decrease In Other Operating Capital Net</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_lbl" xml:lang="en-US" id="id_375129_501003_8_1">Other, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xlink:to="us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInRecoverableRefundableGasCosts" xlink:label="us-gaap_IncreaseDecreaseInRecoverableRefundableGasCosts"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInRecoverableRefundableGasCosts_lbl" xml:lang="en-US" id="id_375129_498625_1_1">Increase Decrease In Recoverable Refundable Gas Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncreaseDecreaseInRecoverableRefundableGasCosts_lbl" xml:lang="en-US" id="id_375129_498625_2_1">Amount being Recovered</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInRecoverableRefundableGasCosts" xlink:to="us-gaap_IncreaseDecreaseInRecoverableRefundableGasCosts_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInRegulatoryClauseRevenue" xlink:label="us-gaap_IncreaseDecreaseInRegulatoryClauseRevenue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInRegulatoryClauseRevenue_lbl" xml:lang="en-US" id="id_375129_512734_1_1">Increase Decrease In Regulatory Clause Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncreaseDecreaseInRegulatoryClauseRevenue_lbl" xml:lang="en-US" id="id_375129_512734_2_1">Increase in annual revenue</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInRegulatoryClauseRevenue" xlink:to="us-gaap_IncreaseDecreaseInRegulatoryClauseRevenue_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_IncreaseDecreaseInUnbilledReceivables" xlink:label="us-gaap_IncreaseDecreaseInUnbilledReceivables"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInUnbilledReceivables_lbl" xml:lang="en-US" id="id_375129_502408_1_1">Increase Decrease In Unbilled Receivables</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="us-gaap_IncreaseDecreaseInUnbilledReceivables_lbl" xml:lang="en-US" id="id_375129_502408_8_1">Accrued Revenue</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInUnbilledReceivables" xlink:to="us-gaap_IncreaseDecreaseInUnbilledReceivables_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_IncreaseDecreaseInUnearnedRevenue" xlink:label="utl_IncreaseDecreaseInUnearnedRevenue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_IncreaseDecreaseInUnearnedRevenue_lbl" xml:lang="en-US" id="id_375129_519472_3_1">The net change during the reporting period, excluding the portion taken into income, in the liability reflecting revenue yet to be earned for which cash or other forms of consideration was received or recorded as a receivable.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_IncreaseDecreaseInUnearnedRevenue_lbl" xml:lang="en-US" id="id_375129_519472_1_1">Increase Decrease In Unearned Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_IncreaseDecreaseInUnearnedRevenue_lbl" xml:lang="en-US" id="id_375129_519472_2_1">Annual revenue increase in rate adjustments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_IncreaseDecreaseInUnearnedRevenue" xlink:to="utl_IncreaseDecreaseInUnearnedRevenue_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestPaidNet" xlink:label="us-gaap_InterestPaidNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestPaidNet_lbl" xml:lang="en-US" id="id_375129_513309_1_1">Interest Paid Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InterestPaidNet_lbl" xml:lang="en-US" id="id_375129_513309_2_1">Interest Paid</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestPaidNet" xlink:to="us-gaap_InterestPaidNet_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_InterestRateAllowedOnUnrecoveredStormCosts" xlink:label="utl_InterestRateAllowedOnUnrecoveredStormCosts"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_InterestRateAllowedOnUnrecoveredStormCosts_lbl" xml:lang="en-US" id="id_375129_600641_3_1">Represents the interest rate allowed by regulators on the unrecovered amount of storm costs which have been approved for recovery through rate adjustments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_InterestRateAllowedOnUnrecoveredStormCosts_lbl" xml:lang="en-US" id="id_375129_600641_1_1">Interest Rate Allowed On Unrecovered Storm Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_InterestRateAllowedOnUnrecoveredStormCosts_lbl" xml:lang="en-US" id="id_375129_600641_2_1">Interest rate allowed by regulators on the unrecovered amount of storm costs which have been approved for recovery through rate adjustments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_InterestRateAllowedOnUnrecoveredStormCosts" xlink:to="utl_InterestRateAllowedOnUnrecoveredStormCosts_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_InterestReceived" xlink:label="utl_InterestReceived"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_InterestReceived_lbl" xml:lang="en-US" id="id_375129_523671_3_1">Interest Received</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_InterestReceived_lbl" xml:lang="en-US" id="id_375129_523671_1_1">Interest Received</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_InterestReceived_lbl" xml:lang="en-US" id="id_375129_523671_2_1">Interest on Reimbursement</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_InterestReceived" xlink:to="utl_InterestReceived_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InterestRevenueExpenseNet" xlink:label="us-gaap_InterestRevenueExpenseNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestRevenueExpenseNet_lbl" xml:lang="en-US" id="id_375129_503389_1_1">Interest Revenue Expense Net</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="us-gaap_InterestRevenueExpenseNet_lbl" xml:lang="en-US" id="id_375129_503389_8_1">Interest Expense, Net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestRevenueExpenseNet" xlink:to="us-gaap_InterestRevenueExpenseNet_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InternalRevenueServiceIRSMember" xlink:label="us-gaap_InternalRevenueServiceIRSMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InternalRevenueServiceIRSMember_lbl" xml:lang="en-US" id="id_375129_502974_1_1">Internal Revenue Service I R S [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InternalRevenueServiceIRSMember_lbl" xml:lang="en-US" id="id_375129_502974_2_1">Internal Revenue Service (IRS)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InternalRevenueServiceIRSMember" xlink:to="us-gaap_InternalRevenueServiceIRSMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InventoryAdjustments" xlink:label="us-gaap_InventoryAdjustments"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryAdjustments_lbl" xml:lang="en-US" id="id_375129_514240_1_1">Inventory Adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InventoryAdjustments_lbl" xml:lang="en-US" id="id_375129_514240_2_1">Outstanding Inventory</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryAdjustments" xlink:to="us-gaap_InventoryAdjustments_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_InventoryRawMaterialsAndSupplies" xlink:label="us-gaap_InventoryRawMaterialsAndSupplies"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryRawMaterialsAndSupplies_lbl" xml:lang="en-US" id="id_375129_504940_1_1">Inventory Raw Materials And Supplies</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InventoryRawMaterialsAndSupplies_lbl" xml:lang="en-US" id="id_375129_504940_2_1">Materials and Supplies</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryRawMaterialsAndSupplies" xlink:to="us-gaap_InventoryRawMaterialsAndSupplies_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_IRSThresholdForAmountOfRefundSubjectToReviewByIRSAndJointCommitteeOfCongress" xlink:label="utl_IRSThresholdForAmountOfRefundSubjectToReviewByIRSAndJointCommitteeOfCongress"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_IRSThresholdForAmountOfRefundSubjectToReviewByIRSAndJointCommitteeOfCongress_lbl" xml:lang="en-US" id="id_375129_611290_3_1">IRS Threshold For Amount Of Refund Subject To Review By IRS And Joint Committee Of Congress.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_IRSThresholdForAmountOfRefundSubjectToReviewByIRSAndJointCommitteeOfCongress_lbl" xml:lang="en-US" id="id_375129_611290_1_1">I R S Threshold For Amount Of Refund Subject To Review By I R S And Joint Committee Of Congress</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_IRSThresholdForAmountOfRefundSubjectToReviewByIRSAndJointCommitteeOfCongress_lbl" xml:lang="en-US" id="id_375129_611290_2_1">Operating Loss Refunds</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_IRSThresholdForAmountOfRefundSubjectToReviewByIRSAndJointCommitteeOfCongress" xlink:to="utl_IRSThresholdForAmountOfRefundSubjectToReviewByIRSAndJointCommitteeOfCongress_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/dei/2012/dei-2012-01-31.xsd#dei_LegalEntityAxis" xlink:label="dei_LegalEntityAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_LegalEntityAxis_lbl" xml:lang="en-US" id="id_375129_497730_1_1">Legal Entity [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="dei_LegalEntityAxis_lbl" xml:lang="en-US" id="id_375129_497730_2_1">Legal Entity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_LegalEntityAxis" xlink:to="dei_LegalEntityAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_LegalSettlementProceedsFromInsurance" xlink:label="utl_LegalSettlementProceedsFromInsurance"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_LegalSettlementProceedsFromInsurance_lbl" xml:lang="en-US" id="id_375129_520059_3_1">Legal settlement/proceeds from insurance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_LegalSettlementProceedsFromInsurance_lbl" xml:lang="en-US" id="id_375129_520059_1_1">Legal Settlement Proceeds From Insurance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_LegalSettlementProceedsFromInsurance_lbl" xml:lang="en-US" id="id_375129_520059_2_1">Settlement insurance</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_LegalSettlementProceedsFromInsurance" xlink:to="utl_LegalSettlementProceedsFromInsurance_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_LengthOfPipeline" xlink:label="utl_LengthOfPipeline"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_LengthOfPipeline_lbl" xml:lang="en-US" id="id_375129_529578_3_1">Length Of Pipeline</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_LengthOfPipeline_lbl" xml:lang="en-US" id="id_375129_529578_1_1">Length Of Pipeline</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_LengthOfPipeline_lbl" xml:lang="en-US" id="id_375129_529578_2_1">Number of Operating Gas Transmission</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_LengthOfPipeline" xlink:to="utl_LengthOfPipeline_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_LetterOfCreditFacilityAndBankGuaranteesOutstanding" xlink:label="utl_LetterOfCreditFacilityAndBankGuaranteesOutstanding"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_LetterOfCreditFacilityAndBankGuaranteesOutstanding_lbl" xml:lang="en-US" id="id_375129_526903_3_1">Letter Of Credit Facility And Bank Guarantees Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_LetterOfCreditFacilityAndBankGuaranteesOutstanding_lbl" xml:lang="en-US" id="id_375129_526903_1_1">Letter Of Credit Facility And Bank Guarantees Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_LetterOfCreditFacilityAndBankGuaranteesOutstanding_lbl" xml:lang="en-US" id="id_375129_526903_2_1">Guarantee outstanding</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_LetterOfCreditFacilityAndBankGuaranteesOutstanding" xlink:to="utl_LetterOfCreditFacilityAndBankGuaranteesOutstanding_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xml:lang="en-US" id="id_375129_508780_1_1">Liabilities And Stockholders Equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xml:lang="en-US" id="id_375129_508780_6_1">TOTAL CAPITALIZATION AND LIABILITIES</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xml:lang="en-US" id="id_375129_501524_1_1">Liabilities And Stockholders Equity [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xml:lang="en-US" id="id_375129_501524_2_1">CAPITALIZATION AND LIABILITIES:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="us-gaap_LiabilitiesCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xml:lang="en-US" id="id_375129_511950_1_1">Liabilities Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xml:lang="en-US" id="id_375129_511950_6_1">Total Current Liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrent" xlink:to="us-gaap_LiabilitiesCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="us-gaap_LiabilitiesCurrentAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xml:lang="en-US" id="id_375129_510138_1_1">Liabilities Current [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xml:lang="en-US" id="id_375129_510138_2_1">Current Liabilities:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_LiabilitiesCurrentAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesNoncurrent" xlink:label="us-gaap_LiabilitiesNoncurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesNoncurrent_lbl" xml:lang="en-US" id="id_375129_501567_1_1">Liabilities Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_LiabilitiesNoncurrent_lbl" xml:lang="en-US" id="id_375129_501567_6_1">Total Noncurrent Liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesNoncurrent" xlink:to="us-gaap_LiabilitiesNoncurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LiabilitiesNoncurrentAbstract" xlink:label="us-gaap_LiabilitiesNoncurrentAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesNoncurrentAbstract_lbl" xml:lang="en-US" id="id_375129_500454_1_1">Liabilities Noncurrent [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LiabilitiesNoncurrentAbstract_lbl" xml:lang="en-US" id="id_375129_500454_2_1">Noncurrent Liabilities:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesNoncurrentAbstract" xlink:to="us-gaap_LiabilitiesNoncurrentAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityAmountOutstanding" xlink:label="us-gaap_LineOfCreditFacilityAmountOutstanding"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityAmountOutstanding_lbl" xml:lang="en-US" id="id_375129_504418_1_1">Line Of Credit Facility Amount Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LineOfCreditFacilityAmountOutstanding_lbl" xml:lang="en-US" id="id_375129_504418_2_1">Outstanding revolving credit facility</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityAmountOutstanding" xlink:to="us-gaap_LineOfCreditFacilityAmountOutstanding_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityExpirationDate1" xlink:label="us-gaap_LineOfCreditFacilityExpirationDate1"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityExpirationDate1_lbl" xml:lang="en-US" id="id_375129_510212_1_1">Line Of Credit Facility Expiration Date 1</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LineOfCreditFacilityExpirationDate1_lbl" xml:lang="en-US" id="id_375129_510212_2_1">Revolving credit facility expiration date</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityExpirationDate1" xlink:to="us-gaap_LineOfCreditFacilityExpirationDate1_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems" xlink:label="us-gaap_LineOfCreditFacilityLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityLineItems_lbl" xml:lang="en-US" id="id_375129_514307_1_1">Line Of Credit Facility [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LineOfCreditFacilityLineItems_lbl" xml:lang="en-US" id="id_375129_514307_2_1">Line of Credit Facility [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_LineOfCreditFacilityLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xml:lang="en-US" id="id_375129_507704_1_1">Line Of Credit Facility Maximum Borrowing Capacity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xml:lang="en-US" id="id_375129_507704_2_1">Revolving credit facility</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:to="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_LineOfCreditFacilityMaximumBorrowingCapacityReplacedAmount" xlink:label="utl_LineOfCreditFacilityMaximumBorrowingCapacityReplacedAmount"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_LineOfCreditFacilityMaximumBorrowingCapacityReplacedAmount_lbl" xml:lang="en-US" id="id_375129_587646_3_1">Line Of Credit Facility Maximum Borrowing Capacity Replaced Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_LineOfCreditFacilityMaximumBorrowingCapacityReplacedAmount_lbl" xml:lang="en-US" id="id_375129_587646_1_1">Line Of Credit Facility Maximum Borrowing Capacity Replaced Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_LineOfCreditFacilityMaximumBorrowingCapacityReplacedAmount_lbl" xml:lang="en-US" id="id_375129_587646_2_1">Reduced Borrowing Limit</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_LineOfCreditFacilityMaximumBorrowingCapacityReplacedAmount" xlink:to="utl_LineOfCreditFacilityMaximumBorrowingCapacityReplacedAmount_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:label="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_lbl" xml:lang="en-US" id="id_375129_510040_1_1">Line Of Credit Facility Remaining Borrowing Capacity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_lbl" xml:lang="en-US" id="id_375129_510040_2_1">Available revolving credit facility</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity" xlink:to="us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LineOfCreditFacilityTable" xlink:label="us-gaap_LineOfCreditFacilityTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityTable_lbl" xml:lang="en-US" id="id_375129_514854_1_1">Line Of Credit Facility [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LineOfCreditFacilityTable_lbl" xml:lang="en-US" id="id_375129_514854_2_1">Line of Credit Facility [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityTable" xlink:to="us-gaap_LineOfCreditFacilityTable_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_LocalPropertyAndOtherProvisionsBenefitForTaxes" xlink:label="utl_LocalPropertyAndOtherProvisionsBenefitForTaxes"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_LocalPropertyAndOtherProvisionsBenefitForTaxes_lbl" xml:lang="en-US" id="id_375129_564335_3_1">Includes taxes based on the assessed value of real estate by the local government and payroll taxes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_LocalPropertyAndOtherProvisionsBenefitForTaxes_lbl" xml:lang="en-US" id="id_375129_564335_1_1">Local Property And Other Provisions Benefit For Taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_LocalPropertyAndOtherProvisionsBenefitForTaxes_lbl" xml:lang="en-US" id="id_375129_564335_2_1">Local Property and Other</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_LocalPropertyAndOtherProvisionsBenefitForTaxes" xlink:to="utl_LocalPropertyAndOtherProvisionsBenefitForTaxes_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebt" xlink:label="us-gaap_LongTermDebt"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebt_lbl" xml:lang="en-US" id="id_375129_509175_1_1">Long Term Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongTermDebt_lbl" xml:lang="en-US" id="id_375129_509175_2_1">Long-Term Debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebt" xlink:to="us-gaap_LongTermDebt_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="us-gaap_LongTermDebtCurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtCurrent_lbl" xml:lang="en-US" id="id_375129_514137_1_1">Long Term Debt Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongTermDebtCurrent_lbl" xml:lang="en-US" id="id_375129_514137_2_1">Less: Current Portion</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LongTermDebtCurrent_lbl" xml:lang="en-US" id="id_375129_514137_12_1">Long-Term Debt, Current Portion</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtCurrent" xlink:to="us-gaap_LongTermDebtCurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtFairValue" xlink:label="us-gaap_LongTermDebtFairValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtFairValue_lbl" xml:lang="en-US" id="id_375129_503233_1_1">Long Term Debt Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongTermDebtFairValue_lbl" xml:lang="en-US" id="id_375129_503233_2_1">Estimated Fair Value of Long-Term Debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtFairValue" xlink:to="us-gaap_LongTermDebtFairValue_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="us-gaap_LongTermDebtNoncurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebtNoncurrent_lbl" xml:lang="en-US" id="id_375129_514586_1_1">Long Term Debt Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongTermDebtNoncurrent_lbl" xml:lang="en-US" id="id_375129_514586_2_1">Long-Term Debt, Less Current Portion</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_LongTermDebtNoncurrent_lbl" xml:lang="en-US" id="id_375129_514586_12_1">Total Long-term Debt, Less Current Portion</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtNoncurrent" xlink:to="us-gaap_LongTermDebtNoncurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:label="us-gaap_LossContingenciesByNatureOfContingencyAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LossContingenciesByNatureOfContingencyAxis_lbl" xml:lang="en-US" id="id_375129_512812_1_1">Loss Contingencies By Nature Of Contingency [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LossContingenciesByNatureOfContingencyAxis_lbl" xml:lang="en-US" id="id_375129_512812_2_1">Loss Contingency Nature</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:to="us-gaap_LossContingenciesByNatureOfContingencyAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_LossContingencyNatureDomain" xlink:label="us-gaap_LossContingencyNatureDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LossContingencyNatureDomain_lbl" xml:lang="en-US" id="id_375129_514089_1_1">Loss Contingency Nature [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LossContingencyNatureDomain_lbl" xml:lang="en-US" id="id_375129_514089_2_1">Loss Contingency, Nature [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingencyNatureDomain" xlink:to="us-gaap_LossContingencyNatureDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MaximumMember" xlink:label="us-gaap_MaximumMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MaximumMember_lbl" xml:lang="en-US" id="id_375129_514053_1_1">Maximum [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MaximumMember_lbl" xml:lang="en-US" id="id_375129_514053_2_1">Maximum</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MaximumMember" xlink:to="us-gaap_MaximumMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_MinimumMember" xlink:label="us-gaap_MinimumMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MinimumMember_lbl" xml:lang="en-US" id="id_375129_513639_1_1">Minimum [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_MinimumMember_lbl" xml:lang="en-US" id="id_375129_513639_2_1">Minimum</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MinimumMember" xlink:to="us-gaap_MinimumMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_NaturalGasMember" xlink:label="utl_NaturalGasMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_NaturalGasMember_lbl" xml:lang="en-US" id="id_375129_530751_3_1">Natural Gas [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_NaturalGasMember_lbl" xml:lang="en-US" id="id_375129_530751_1_1">Natural Gas [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_NaturalGasMember_lbl" xml:lang="en-US" id="id_375129_530751_2_1">Natural Gas</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_NaturalGasMember" xlink:to="utl_NaturalGasMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_NaturalGasPurchaseContractMember" xlink:label="utl_NaturalGasPurchaseContractMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_NaturalGasPurchaseContractMember_lbl" xml:lang="en-US" id="id_375129_531183_3_1">Natural Gas Purchase Contract [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_NaturalGasPurchaseContractMember_lbl" xml:lang="en-US" id="id_375129_531183_1_1">Natural Gas Purchase Contract [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_NaturalGasPurchaseContractMember_lbl" xml:lang="en-US" id="id_375129_531183_2_1">Natural Gas Future Contract</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_NaturalGasPurchaseContractMember" xlink:to="utl_NaturalGasPurchaseContractMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_NatureOfOperationsPolicyTextBlock" xlink:label="utl_NatureOfOperationsPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_NatureOfOperationsPolicyTextBlock_lbl" xml:lang="en-US" id="id_375129_538081_3_1">Nature of Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_NatureOfOperationsPolicyTextBlock_lbl" xml:lang="en-US" id="id_375129_538081_1_1">Nature Of Operations Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_NatureOfOperationsPolicyTextBlock_lbl" xml:lang="en-US" id="id_375129_538081_2_1">Nature of Operations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_NatureOfOperationsPolicyTextBlock" xlink:to="utl_NatureOfOperationsPolicyTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xml:lang="en-US" id="id_375129_508099_1_1">Net Cash Provided By Used In Financing Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xml:lang="en-US" id="id_375129_508099_6_1">Cash (Used in) Financing Activities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xml:lang="en-US" id="id_375129_504277_1_1">Net Cash Provided By Used In Investing Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xml:lang="en-US" id="id_375129_504277_6_1">Cash (Used in) Investing Activities</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xml:lang="en-US" id="id_375129_501589_1_1">Net Cash Provided By Used In Investing Activities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xml:lang="en-US" id="id_375129_501589_2_1">Investing Activities:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xml:lang="en-US" id="id_375129_504077_1_1">Net Cash Provided By Used In Operating Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xml:lang="en-US" id="id_375129_504077_6_1">Cash Provided by Operating Activities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US" id="id_375129_505595_1_1">Net Cash Provided By Used In Operating Activities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US" id="id_375129_505595_2_1">Operating Activities:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="us-gaap_NetIncomeLoss"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US" id="id_375129_513055_1_1">Net Income Loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US" id="id_375129_513055_2_1">Net Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US" id="id_375129_513055_6_1">Net Income (Loss)</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xml:lang="en-US" id="id_375129_513871_1_1">Net Income Loss Available To Common Stockholders Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xml:lang="en-US" id="id_375129_513871_2_1">Segment Profit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xml:lang="en-US" id="id_375129_513871_6_1">Earnings (Loss) Applicable to Common Shareholders</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:to="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_NetOperatingLossCarryforwardsMember" xlink:label="utl_NetOperatingLossCarryforwardsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_NetOperatingLossCarryforwardsMember_lbl" xml:lang="en-US" id="id_375129_534101_3_1">Net Operating Loss Carryforwards [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_NetOperatingLossCarryforwardsMember_lbl" xml:lang="en-US" id="id_375129_534101_1_1">Net Operating Loss Carryforwards [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_NetOperatingLossCarryforwardsMember_lbl" xml:lang="en-US" id="id_375129_534101_2_1">Net Operating Loss Carryforwards</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_NetOperatingLossCarryforwardsMember" xlink:to="utl_NetOperatingLossCarryforwardsMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_NetProceedsFromStockIssued" xlink:label="utl_NetProceedsFromStockIssued"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_NetProceedsFromStockIssued_lbl" xml:lang="en-US" id="id_375129_521545_3_1">Net proceeds from stock issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_NetProceedsFromStockIssued_lbl" xml:lang="en-US" id="id_375129_521545_1_1">Net Proceeds From Stock Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_NetProceedsFromStockIssued_lbl" xml:lang="en-US" id="id_375129_521545_2_1">Proceed from issuance of common stock</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_NetProceedsFromStockIssued" xlink:to="utl_NetProceedsFromStockIssued_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NoncumulativePreferredStockMember" xlink:label="us-gaap_NoncumulativePreferredStockMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NoncumulativePreferredStockMember_lbl" xml:lang="en-US" id="id_375129_507219_1_1">Noncumulative Preferred Stock [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NoncumulativePreferredStockMember_lbl" xml:lang="en-US" id="id_375129_507219_2_1">Noncumulative Preferred Stock</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NoncumulativePreferredStockMember" xlink:to="us-gaap_NoncumulativePreferredStockMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NondesignatedMember" xlink:label="us-gaap_NondesignatedMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NondesignatedMember_lbl" xml:lang="en-US" id="id_375129_508863_1_1">Nondesignated [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NondesignatedMember_lbl" xml:lang="en-US" id="id_375129_508863_2_1">Not Designated as Hedging Instrument</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NondesignatedMember" xlink:to="us-gaap_NondesignatedMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_NonredeemablePreferredStockMember" xlink:label="us-gaap_NonredeemablePreferredStockMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NonredeemablePreferredStockMember_lbl" xml:lang="en-US" id="id_375129_499727_1_1">Nonredeemable Preferred Stock [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NonredeemablePreferredStockMember_lbl" xml:lang="en-US" id="id_375129_499727_2_1">Nonredeemable Preferred Stock</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NonredeemablePreferredStockMember" xlink:to="us-gaap_NonredeemablePreferredStockMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_NorthernUtilitiesIncMember" xlink:label="utl_NorthernUtilitiesIncMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_NorthernUtilitiesIncMember_lbl" xml:lang="en-US" id="id_375129_599721_3_1">Northern Utilities Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_NorthernUtilitiesIncMember_lbl" xml:lang="en-US" id="id_375129_599721_1_1">Northern Utilities Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_NorthernUtilitiesIncMember_lbl" xml:lang="en-US" id="id_375129_599721_2_1">Northern Utilities Inc</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_NorthernUtilitiesIncMember" xlink:to="utl_NorthernUtilitiesIncMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_NotesFivePointNineZeroPercentDueDecemberFifteenTwentyThirtyMember" xlink:label="utl_NotesFivePointNineZeroPercentDueDecemberFifteenTwentyThirtyMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_NotesFivePointNineZeroPercentDueDecemberFifteenTwentyThirtyMember_lbl" xml:lang="en-US" id="id_375129_599718_3_1">Notes Five Point Nine Zero Percent Due December Fifteen Twenty Thirty [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_NotesFivePointNineZeroPercentDueDecemberFifteenTwentyThirtyMember_lbl" xml:lang="en-US" id="id_375129_599718_1_1">Notes Five Point Nine Zero Percent Due December Fifteen Twenty Thirty [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_NotesFivePointNineZeroPercentDueDecemberFifteenTwentyThirtyMember_lbl" xml:lang="en-US" id="id_375129_599718_2_1">Notes Five Point Nine Zero Percent Due December Fifteen Twenty Thirty</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_NotesFivePointNineZeroPercentDueDecemberFifteenTwentyThirtyMember" xlink:to="utl_NotesFivePointNineZeroPercentDueDecemberFifteenTwentyThirtyMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_NotesSevenPointNineEightPercentDueJuneOneTwentyThirtyOneMember" xlink:label="utl_NotesSevenPointNineEightPercentDueJuneOneTwentyThirtyOneMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_NotesSevenPointNineEightPercentDueJuneOneTwentyThirtyOneMember_lbl" xml:lang="en-US" id="id_375129_599716_3_1">Notes Seven Point Nine Eight Percent Due June One Twenty Thirty One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_NotesSevenPointNineEightPercentDueJuneOneTwentyThirtyOneMember_lbl" xml:lang="en-US" id="id_375129_599716_1_1">Notes Seven Point Nine Eight Percent Due June One Twenty Thirty One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_NotesSevenPointNineEightPercentDueJuneOneTwentyThirtyOneMember_lbl" xml:lang="en-US" id="id_375129_599716_2_1">Notes Seven Point Nine Eight Percent Due June One Twenty Thirty One</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_NotesSevenPointNineEightPercentDueJuneOneTwentyThirtyOneMember" xlink:to="utl_NotesSevenPointNineEightPercentDueJuneOneTwentyThirtyOneMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_NotesSevenPointThreeSevenPercentDueJanuaryFifteenTwentyTwentyNineMember" xlink:label="utl_NotesSevenPointThreeSevenPercentDueJanuaryFifteenTwentyTwentyNineMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_NotesSevenPointThreeSevenPercentDueJanuaryFifteenTwentyTwentyNineMember_lbl" xml:lang="en-US" id="id_375129_599715_3_1">Notes Seven Point Three Seven Percent Due January Fifteen Twenty Twenty Nine [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_NotesSevenPointThreeSevenPercentDueJanuaryFifteenTwentyTwentyNineMember_lbl" xml:lang="en-US" id="id_375129_599715_1_1">Notes Seven Point Three Seven Percent Due January Fifteen Twenty Twenty Nine [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_NotesSevenPointThreeSevenPercentDueJanuaryFifteenTwentyTwentyNineMember_lbl" xml:lang="en-US" id="id_375129_599715_2_1">Notes Seven Point Three Seven Percent Due January Fifteen Twenty Twenty Nine</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_NotesSevenPointThreeSevenPercentDueJanuaryFifteenTwentyTwentyNineMember" xlink:to="utl_NotesSevenPointThreeSevenPercentDueJanuaryFifteenTwentyTwentyNineMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_NotesSixPointSevenFivePercentDueNovemberThirtyTwentyTwentyThreeMember" xlink:label="utl_NotesSixPointSevenFivePercentDueNovemberThirtyTwentyTwentyThreeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_NotesSixPointSevenFivePercentDueNovemberThirtyTwentyTwentyThreeMember_lbl" xml:lang="en-US" id="id_375129_599714_3_1">Notes Six Point Seven Five Percent Due November Thirty Twenty Twenty Three [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_NotesSixPointSevenFivePercentDueNovemberThirtyTwentyTwentyThreeMember_lbl" xml:lang="en-US" id="id_375129_599714_1_1">Notes Six Point Seven Five Percent Due November Thirty Twenty Twenty Three [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_NotesSixPointSevenFivePercentDueNovemberThirtyTwentyTwentyThreeMember_lbl" xml:lang="en-US" id="id_375129_599714_2_1">Notes Six Point Seven Five Percent Due November Thirty Twenty Twenty Three</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_NotesSixPointSevenFivePercentDueNovemberThirtyTwentyTwentyThreeMember" xlink:to="utl_NotesSixPointSevenFivePercentDueNovemberThirtyTwentyTwentyThreeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_NotesSixPointSevenNinePercentDueOctoberFifteenTwentyTwentyFiveMember" xlink:label="utl_NotesSixPointSevenNinePercentDueOctoberFifteenTwentyTwentyFiveMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_NotesSixPointSevenNinePercentDueOctoberFifteenTwentyTwentyFiveMember_lbl" xml:lang="en-US" id="id_375129_599717_3_1">Notes Six Point Seven Nine Percent Due October Fifteen Twenty Twenty Five [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_NotesSixPointSevenNinePercentDueOctoberFifteenTwentyTwentyFiveMember_lbl" xml:lang="en-US" id="id_375129_599717_1_1">Notes Six Point Seven Nine Percent Due October Fifteen Twenty Twenty Five [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_NotesSixPointSevenNinePercentDueOctoberFifteenTwentyTwentyFiveMember_lbl" xml:lang="en-US" id="id_375129_599717_2_1">Notes Six Point Seven Nine Percent Due October Fifteen Twenty Twenty Five</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_NotesSixPointSevenNinePercentDueOctoberFifteenTwentyTwentyFiveMember" xlink:to="utl_NotesSixPointSevenNinePercentDueOctoberFifteenTwentyTwentyFiveMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_NumberOfSubsidiaries" xlink:label="utl_NumberOfSubsidiaries"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_NumberOfSubsidiaries_lbl" xml:lang="en-US" id="id_375129_529703_3_1">Number of Subsidiaries</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_NumberOfSubsidiaries_lbl" xml:lang="en-US" id="id_375129_529703_1_1">Number Of Subsidiaries</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_NumberOfSubsidiaries_lbl" xml:lang="en-US" id="id_375129_529703_2_1">Number of Subsidiaries</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_NumberOfSubsidiaries" xlink:to="utl_NumberOfSubsidiaries_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_NymexNaturalGasFuturesNnContractsMember" xlink:label="utl_NymexNaturalGasFuturesNnContractsMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_NymexNaturalGasFuturesNnContractsMember_lbl" xml:lang="en-US" id="id_375129_538026_3_1">Nymex Natural Gas Futures Nn Contracts [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_NymexNaturalGasFuturesNnContractsMember_lbl" xml:lang="en-US" id="id_375129_538026_1_1">Nymex Natural Gas Futures Nn Contracts [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_NymexNaturalGasFuturesNnContractsMember_lbl" xml:lang="en-US" id="id_375129_538026_2_1">Natural Gas Contracts</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_OtherSubsidiariesMember_lbl" xml:lang="en-US" id="id_375129_532605_1_1">Other Subsidiaries [Member]</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_PolicyIssueYearAxis" xlink:to="utl_PolicyIssueYearAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_PolicyIssueYearDomain" xlink:label="utl_PolicyIssueYearDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_PolicyIssueYearDomain_lbl" xml:lang="en-US" id="id_375129_532982_3_1">Policy Issue Year [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_PolicyIssueYearDomain_lbl" xml:lang="en-US" id="id_375129_532982_1_1">Policy Issue Year [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_PolicyIssueYearDomain_lbl" xml:lang="en-US" id="id_375129_532982_2_1">Policy Issue Year [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_PolicyIssueYearDomain" xlink:to="utl_PolicyIssueYearDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_PortionOfStormCostsDeferredPendingApprovalOfRequestToRecover" xlink:label="utl_PortionOfStormCostsDeferredPendingApprovalOfRequestToRecover"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_PortionOfStormCostsDeferredPendingApprovalOfRequestToRecover_lbl" xml:lang="en-US" id="id_375129_600640_3_1">Represents the portion of storm cost expenditures that the Company has requested deferral of and recovery of through rate adjustments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_PortionOfStormCostsDeferredPendingApprovalOfRequestToRecover_lbl" xml:lang="en-US" id="id_375129_600640_1_1">Portion Of Storm Costs Deferred Pending Approval Of Request To Recover</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_PortionOfStormCostsDeferredPendingApprovalOfRequestToRecover_lbl" xml:lang="en-US" id="id_375129_600640_2_1">Portion of storm cost expenditures that the Company has requested deferral of and recovery of through rate adjustments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_PortionOfStormCostsDeferredPendingApprovalOfRequestToRecover" xlink:to="utl_PortionOfStormCostsDeferredPendingApprovalOfRequestToRecover_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockDividendRatePercentage" xlink:label="us-gaap_PreferredStockDividendRatePercentage"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockDividendRatePercentage_lbl" xml:lang="en-US" id="id_375129_501714_1_1">Preferred Stock Dividend Rate Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PreferredStockDividendRatePercentage_lbl" xml:lang="en-US" id="id_375129_501714_2_1">Dividend rate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PreferredStockDividendRatePercentage_lbl" xml:lang="en-US" id="id_375129_501714_12_1">Dividend rate</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockDividendRatePercentage" xlink:to="us-gaap_PreferredStockDividendRatePercentage_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xml:lang="en-US" id="id_375129_508638_1_1">Preferred Stock Par Or Stated Value Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xml:lang="en-US" id="id_375129_508638_2_1">Preferred Stock Par Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xml:lang="en-US" id="id_375129_508638_12_1">Preferred Stock Par Value</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockParOrStatedValuePerShare" xlink:to="us-gaap_PreferredStockParOrStatedValuePerShare_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockSharesOutstanding" xlink:label="us-gaap_PreferredStockSharesOutstanding"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xml:lang="en-US" id="id_375129_513494_1_1">Preferred Stock Shares Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xml:lang="en-US" id="id_375129_513494_2_1">Preferred Stock</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockSharesOutstanding" xlink:to="us-gaap_PreferredStockSharesOutstanding_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_PreferredStockSharesTableTextBlock" xlink:label="utl_PreferredStockSharesTableTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_PreferredStockSharesTableTextBlock_lbl" xml:lang="en-US" id="id_375129_539596_3_1">Preferred Stock Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_PreferredStockSharesTableTextBlock_lbl" xml:lang="en-US" id="id_375129_539596_1_1">Preferred Stock Shares Table [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_PreferredStockSharesTableTextBlock_lbl" xml:lang="en-US" id="id_375129_539596_2_1">Details on Preferred Stock</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_PreferredStockSharesTableTextBlock" xlink:to="utl_PreferredStockSharesTableTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredStockValue" xlink:label="us-gaap_PreferredStockValue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredStockValue_lbl" xml:lang="en-US" id="id_375129_513620_1_1">Preferred Stock Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PreferredStockValue_lbl" xml:lang="en-US" id="id_375129_513620_2_1">Preferred Stock</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredStockValue" xlink:to="us-gaap_PreferredStockValue_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PreferredUnitsLineItems" xlink:label="us-gaap_PreferredUnitsLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PreferredUnitsLineItems_lbl" xml:lang="en-US" id="id_375129_514369_1_1">Preferred Units [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PreferredUnitsLineItems_lbl" xml:lang="en-US" id="id_375129_514369_2_1">Preferred Units [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PreferredUnitsLineItems" xlink:to="us-gaap_PreferredUnitsLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssets" xlink:label="us-gaap_PrepaidExpenseAndOtherAssets"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PrepaidExpenseAndOtherAssets_lbl" xml:lang="en-US" id="id_375129_509080_1_1">Prepaid Expense And Other Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PrepaidExpenseAndOtherAssets_lbl" xml:lang="en-US" id="id_375129_509080_2_1">Prepayments and Other</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PrepaidExpenseAndOtherAssets" xlink:to="us-gaap_PrepaidExpenseAndOtherAssets_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xml:lang="en-US" id="id_375129_499569_1_1">Proceeds From Issuance Of Common Stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xml:lang="en-US" id="id_375129_499569_2_1">Proceeds from Issuance of Common Stock, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:to="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:label="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_lbl" xml:lang="en-US" id="id_375129_500597_1_1">Proceeds From Payments For Other Financing Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_lbl" xml:lang="en-US" id="id_375129_500597_2_1">Other, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:to="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PublicUtilitiesDisclosureTextBlock" xlink:label="us-gaap_PublicUtilitiesDisclosureTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PublicUtilitiesDisclosureTextBlock_lbl" xml:lang="en-US" id="id_375129_505145_1_1">Public Utilities Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PublicUtilitiesDisclosureTextBlock_lbl" xml:lang="en-US" id="id_375129_505145_2_1">Regulatory Matters</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PublicUtilitiesDisclosureTextBlock" xlink:to="us-gaap_PublicUtilitiesDisclosureTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAbstract" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAbstract_lbl" xml:lang="en-US" id="id_375129_500410_1_1">Public Utilities Property Plant And Equipment [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAbstract_lbl" xml:lang="en-US" id="id_375129_500410_2_1">Utility Plant:</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAbstract" xlink:to="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation_lbl" xml:lang="en-US" id="id_375129_513343_1_1">Public Utilities Property Plant And Equipment Accumulated Depreciation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation_lbl" xml:lang="en-US" id="id_375129_513343_2_1">Less: Accumulated Depreciation</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation" xlink:to="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentCommon" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentCommon"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentCommon_lbl" xml:lang="en-US" id="id_375129_500109_1_1">Public Utilities Property Plant And Equipment Common</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentCommon_lbl" xml:lang="en-US" id="id_375129_500109_2_1">Common</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentCommon" xlink:to="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentCommon_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress_lbl" xml:lang="en-US" id="id_375129_513299_1_1">Public Utilities Property Plant And Equipment Construction Work In Progress</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress_lbl" xml:lang="en-US" id="id_375129_513299_2_1">Construction Work in Progress</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress" xlink:to="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_PublicUtilitiesPropertyPlantAndEquipmentGas" xlink:label="utl_PublicUtilitiesPropertyPlantAndEquipmentGas"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_PublicUtilitiesPropertyPlantAndEquipmentGas_lbl" xml:lang="en-US" id="id_375129_564515_3_1">Public Utilities Property Plant and Equipment Gas.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_PublicUtilitiesPropertyPlantAndEquipmentGas_lbl" xml:lang="en-US" id="id_375129_564515_1_1">Public Utilities Property Plant And Equipment Gas</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_PublicUtilitiesPropertyPlantAndEquipmentGas_lbl" xml:lang="en-US" id="id_375129_564515_2_1">Gas</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_PublicUtilitiesPropertyPlantAndEquipmentGas" xlink:to="utl_PublicUtilitiesPropertyPlantAndEquipmentGas_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet_lbl" xml:lang="en-US" id="id_375129_507530_1_1">Public Utilities Property Plant And Equipment Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet_lbl" xml:lang="en-US" id="id_375129_507530_6_1">Net Utility Plant</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet" xlink:to="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService_lbl" xml:lang="en-US" id="id_375129_508946_1_1">Public Utilities Property Plant And Equipment Plant In Service</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService_lbl" xml:lang="en-US" id="id_375129_508946_6_1">Total Utility Plant</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService" xlink:to="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentPlantInService_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PublicUtilitiesPropertyPlantAndEquipmentTransmissionAndDistribution" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentTransmissionAndDistribution"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentTransmissionAndDistribution_lbl" xml:lang="en-US" id="id_375129_499814_1_1">Public Utilities Property Plant And Equipment Transmission And Distribution</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentTransmissionAndDistribution_lbl" xml:lang="en-US" id="id_375129_499814_2_1">Electric</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentTransmissionAndDistribution" xlink:to="us-gaap_PublicUtilitiesPropertyPlantAndEquipmentTransmissionAndDistribution_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_PublicUtilityAxis" xlink:label="us-gaap_PublicUtilityAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PublicUtilityAxis_lbl" xml:lang="en-US" id="id_375129_501739_1_1">Public Utility [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PublicUtilityAxis_lbl" xml:lang="en-US" id="id_375129_501739_2_1">Public Utility</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PublicUtilityAxis" xlink:to="us-gaap_PublicUtilityAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeAxis" xlink:label="us-gaap_RangeAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RangeAxis_lbl" xml:lang="en-US" id="id_375129_504957_1_1">Range [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RangeAxis_lbl" xml:lang="en-US" id="id_375129_504957_2_1">Range</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RangeAxis" xlink:to="us-gaap_RangeAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RangeMember" xlink:label="us-gaap_RangeMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RangeMember_lbl" xml:lang="en-US" id="id_375129_498452_1_1">Range [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RangeMember_lbl" xml:lang="en-US" id="id_375129_498452_2_1">Range [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RangeMember" xlink:to="us-gaap_RangeMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_RangeOneMember" xlink:label="utl_RangeOneMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_RangeOneMember_lbl" xml:lang="en-US" id="id_375129_537828_3_1">Range One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_RangeOneMember_lbl" xml:lang="en-US" id="id_375129_537828_1_1">Range One [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_RangeOneMember_lbl" xml:lang="en-US" id="id_375129_537828_2_1">Range One</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_RangeOneMember" xlink:to="utl_RangeOneMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_RangeTwoMember" xlink:label="utl_RangeTwoMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_RangeTwoMember_lbl" xml:lang="en-US" id="id_375129_537829_3_1">Range Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_RangeTwoMember_lbl" xml:lang="en-US" id="id_375129_537829_1_1">Range Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_RangeTwoMember_lbl" xml:lang="en-US" id="id_375129_537829_2_1">Range Two</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_RangeTwoMember" xlink:to="utl_RangeTwoMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_RateOfReturnOnEquitySecurities" xlink:label="utl_RateOfReturnOnEquitySecurities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_RateOfReturnOnEquitySecurities_lbl" xml:lang="en-US" id="id_375129_540223_3_1">Rate of Return on Equity Securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_RateOfReturnOnEquitySecurities_lbl" xml:lang="en-US" id="id_375129_540223_1_1">Rate Of Return On Equity Securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_RateOfReturnOnEquitySecurities_lbl" xml:lang="en-US" id="id_375129_540223_2_1">Return of Equity</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_RateOfReturnOnEquitySecurities" xlink:to="utl_RateOfReturnOnEquitySecurities_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_RecentAccountingPronouncementsPolicyTextBlock" xlink:label="utl_RecentAccountingPronouncementsPolicyTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_RecentAccountingPronouncementsPolicyTextBlock_lbl" xml:lang="en-US" id="id_375129_538499_3_1">Recent accounting pronouncements , Policy</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_RecentAccountingPronouncementsPolicyTextBlock_lbl" xml:lang="en-US" id="id_375129_538499_1_1">Recent Accounting Pronouncements Policy [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_RecentAccountingPronouncementsPolicyTextBlock_lbl" xml:lang="en-US" id="id_375129_538499_2_1">Recently Issued Pronouncements</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_RecentAccountingPronouncementsPolicyTextBlock" xlink:to="utl_RecentAccountingPronouncementsPolicyTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTable" xlink:label="us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTable_lbl" xml:lang="en-US" id="id_375129_514749_1_1">Reconciliation Of Operating Profit Loss From Segments To Consolidated [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTable_lbl" xml:lang="en-US" id="id_375129_514749_2_1">Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTable" xlink:to="us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RedeemablePreferredStockMember" xlink:label="us-gaap_RedeemablePreferredStockMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RedeemablePreferredStockMember_lbl" xml:lang="en-US" id="id_375129_506792_1_1">Redeemable Preferred Stock [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RedeemablePreferredStockMember_lbl" xml:lang="en-US" id="id_375129_506792_2_1">Redeemable Preferred Stock</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RedeemablePreferredStockMember" xlink:to="us-gaap_RedeemablePreferredStockMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RefundableGasCosts" xlink:label="us-gaap_RefundableGasCosts"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RefundableGasCosts_lbl" xml:lang="en-US" id="id_375129_511139_1_1">Refundable Gas Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RefundableGasCosts_lbl" xml:lang="en-US" id="id_375129_511139_2_1">Refund of Cost</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RefundableGasCosts" xlink:to="us-gaap_RefundableGasCosts_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RegulatedAndUnregulatedOperatingRevenue" xlink:label="us-gaap_RegulatedAndUnregulatedOperatingRevenue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RegulatedAndUnregulatedOperatingRevenue_lbl" xml:lang="en-US" id="id_375129_501126_1_1">Regulated And Unregulated Operating Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RegulatedAndUnregulatedOperatingRevenue_lbl" xml:lang="en-US" id="id_375129_501126_2_1">Revenues</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_RegulatedAndUnregulatedOperatingRevenue_lbl" xml:lang="en-US" id="id_375129_501126_6_1">Total Operating Revenues</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RegulatedAndUnregulatedOperatingRevenue" xlink:to="us-gaap_RegulatedAndUnregulatedOperatingRevenue_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RegulatedOperatingRevenueElectricNonNuclear" xlink:label="us-gaap_RegulatedOperatingRevenueElectricNonNuclear"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RegulatedOperatingRevenueElectricNonNuclear_lbl" xml:lang="en-US" id="id_375129_507092_1_1">Regulated Operating Revenue Electric Non Nuclear</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RegulatedOperatingRevenueElectricNonNuclear_lbl" xml:lang="en-US" id="id_375129_507092_2_1">Electric</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RegulatedOperatingRevenueElectricNonNuclear" xlink:to="us-gaap_RegulatedOperatingRevenueElectricNonNuclear_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RegulatedOperatingRevenueGas" xlink:label="us-gaap_RegulatedOperatingRevenueGas"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RegulatedOperatingRevenueGas_lbl" xml:lang="en-US" id="id_375129_506202_1_1">Regulated Operating Revenue Gas</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RegulatedOperatingRevenueGas_lbl" xml:lang="en-US" id="id_375129_506202_2_1">Gas</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RegulatedOperatingRevenueGas" xlink:to="us-gaap_RegulatedOperatingRevenueGas_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RegulatoryAssetAxis" xlink:label="us-gaap_RegulatoryAssetAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RegulatoryAssetAxis_lbl" xml:lang="en-US" id="id_375129_513328_1_1">Regulatory Asset [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RegulatoryAssetAxis_lbl" xml:lang="en-US" id="id_375129_513328_2_1">Regulatory Asset</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RegulatoryAssetAxis" xlink:to="us-gaap_RegulatoryAssetAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RegulatoryAssetDomain" xlink:label="us-gaap_RegulatoryAssetDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RegulatoryAssetDomain_lbl" xml:lang="en-US" id="id_375129_505507_1_1">Regulatory Asset [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RegulatoryAssetDomain_lbl" xml:lang="en-US" id="id_375129_505507_2_1">Regulatory Asset [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RegulatoryAssetDomain" xlink:to="us-gaap_RegulatoryAssetDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RegulatoryAssetLineItems" xlink:label="us-gaap_RegulatoryAssetLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RegulatoryAssetLineItems_lbl" xml:lang="en-US" id="id_375129_508486_1_1">Regulatory Asset [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RegulatoryAssetLineItems_lbl" xml:lang="en-US" id="id_375129_508486_2_1">Regulatory Assets [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RegulatoryAssetLineItems" xlink:to="us-gaap_RegulatoryAssetLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_RegulatoryAssetRecoveryPeriodMinimum" xlink:label="utl_RegulatoryAssetRecoveryPeriodMinimum"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_RegulatoryAssetRecoveryPeriodMinimum_lbl" xml:lang="en-US" id="id_375129_519156_3_1">Regulatory Asset, Recovery Period, Minimum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_RegulatoryAssetRecoveryPeriodMinimum_lbl" xml:lang="en-US" id="id_375129_519156_1_1">Regulatory Asset Recovery Period Minimum</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_RegulatoryAssetRecoveryPeriodMinimum_lbl" xml:lang="en-US" id="id_375129_519156_2_1">Amortized and Recovered Cost, Years</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_RegulatoryAssetRecoveryPeriodMinimum" xlink:to="utl_RegulatoryAssetRecoveryPeriodMinimum_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RegulatoryAssetsNoncurrent" xlink:label="us-gaap_RegulatoryAssetsNoncurrent"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RegulatoryAssetsNoncurrent_lbl" xml:lang="en-US" id="id_375129_504273_1_1">Regulatory Assets Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RegulatoryAssetsNoncurrent_lbl" xml:lang="en-US" id="id_375129_504273_2_1">Regulatory Assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RegulatoryAssetsNoncurrent" xlink:to="us-gaap_RegulatoryAssetsNoncurrent_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RegulatoryLiabilities" xlink:label="us-gaap_RegulatoryLiabilities"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RegulatoryLiabilities_lbl" xml:lang="en-US" id="id_375129_505667_1_1">Regulatory Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RegulatoryLiabilities_lbl" xml:lang="en-US" id="id_375129_505667_2_1">Regulatory Liabilities</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RegulatoryLiabilities" xlink:to="us-gaap_RegulatoryLiabilities_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ReimbursementRevenue" xlink:label="us-gaap_ReimbursementRevenue"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ReimbursementRevenue_lbl" xml:lang="en-US" id="id_375129_512861_1_1">Reimbursement Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ReimbursementRevenue_lbl" xml:lang="en-US" id="id_375129_512861_2_1">Amount Reimbursed to Customer</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReimbursementRevenue" xlink:to="us-gaap_ReimbursementRevenue_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_RemainderOfYearMember" xlink:label="utl_RemainderOfYearMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_RemainderOfYearMember_lbl" xml:lang="en-US" id="id_375129_531555_3_1">Remainder of Year [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_RemainderOfYearMember_lbl" xml:lang="en-US" id="id_375129_531555_1_1">Remainder Of Year [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_RemainderOfYearMember_lbl" xml:lang="en-US" id="id_375129_531555_2_1">Remainder of Year</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_RemainderOfYearMember" xlink:to="utl_RemainderOfYearMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_RemainingAmortizationPeriod" xlink:label="utl_RemainingAmortizationPeriod"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_RemainingAmortizationPeriod_lbl" xml:lang="en-US" id="id_375129_529874_3_1">Remaining Amortization Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_RemainingAmortizationPeriod_lbl" xml:lang="en-US" id="id_375129_529874_1_1">Remaining Amortization Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_RemainingAmortizationPeriod_lbl" xml:lang="en-US" id="id_375129_529874_2_1">Amortization period for environmental costs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_RemainingAmortizationPeriod" xlink:to="utl_RemainingAmortizationPeriod_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RemainingRecoveryPeriodOfRegulatoryAssetsForWhichNoReturnOnInvestmentDuringRecoveryPeriodIsProvided1" xlink:label="us-gaap_RemainingRecoveryPeriodOfRegulatoryAssetsForWhichNoReturnOnInvestmentDuringRecoveryPeriodIsProvided1"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RemainingRecoveryPeriodOfRegulatoryAssetsForWhichNoReturnOnInvestmentDuringRecoveryPeriodIsProvided1_lbl" xml:lang="en-US" id="id_375129_501817_1_1">Remaining Recovery Period Of Regulatory Assets For Which No Return On Investment During Recovery Period Is Provided 1</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RemainingRecoveryPeriodOfRegulatoryAssetsForWhichNoReturnOnInvestmentDuringRecoveryPeriodIsProvided1_lbl" xml:lang="en-US" id="id_375129_501817_2_1">Recovery of cost, over years</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RemainingRecoveryPeriodOfRegulatoryAssetsForWhichNoReturnOnInvestmentDuringRecoveryPeriodIsProvided1" xlink:to="us-gaap_RemainingRecoveryPeriodOfRegulatoryAssetsForWhichNoReturnOnInvestmentDuringRecoveryPeriodIsProvided1_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="us-gaap_RepaymentsOfLongTermDebt"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RepaymentsOfLongTermDebt_lbl" xml:lang="en-US" id="id_375129_499971_1_1">Repayments Of Long Term Debt</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="us-gaap_RepaymentsOfLongTermDebt_lbl" xml:lang="en-US" id="id_375129_499971_8_1">Repayment of Long-Term Debt, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RepaymentsOfLongTermDebt" xlink:to="us-gaap_RepaymentsOfLongTermDebt_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RepaymentsOfShortTermDebt" xlink:label="us-gaap_RepaymentsOfShortTermDebt"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RepaymentsOfShortTermDebt_lbl" xml:lang="en-US" id="id_375129_499252_1_1">Repayments Of Short Term Debt</label>
    <label xlink:type="resource" xlink:role="http://xbrl.us/us-gaap/role/label/negated" xlink:label="us-gaap_RepaymentsOfShortTermDebt_lbl" xml:lang="en-US" id="id_375129_499252_8_1">Repayment of Short-Term Debt, net</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RepaymentsOfShortTermDebt" xlink:to="us-gaap_RepaymentsOfShortTermDebt_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_RequestForRecoveryOfUnderbilling" xlink:label="utl_RequestForRecoveryOfUnderbilling"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_RequestForRecoveryOfUnderbilling_lbl" xml:lang="en-US" id="id_375129_617876_3_1">Represents an amount for which the company has requested approval from regulators for to recover from customers for underbilling.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_RequestForRecoveryOfUnderbilling_lbl" xml:lang="en-US" id="id_375129_617876_1_1">Request For Recovery Of Underbilling</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_RequestForRecoveryOfUnderbilling_lbl" xml:lang="en-US" id="id_375129_617876_2_1">Request for recovery of under-billed customers</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_RequestForRecoveryOfUnderbilling" xlink:to="utl_RequestForRecoveryOfUnderbilling_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_RestrictedCommonStockSharesIssued" xlink:label="utl_RestrictedCommonStockSharesIssued"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_RestrictedCommonStockSharesIssued_lbl" xml:lang="en-US" id="id_375129_528789_3_1">Restricted Common Stock, Shares, Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_RestrictedCommonStockSharesIssued_lbl" xml:lang="en-US" id="id_375129_528789_1_1">Restricted Common Stock Shares Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_RestrictedCommonStockSharesIssued_lbl" xml:lang="en-US" id="id_375129_528789_2_1">Restricted stock Issued</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_RestrictedCommonStockSharesIssued" xlink:to="utl_RestrictedCommonStockSharesIssued_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RestrictedStockExpense" xlink:label="us-gaap_RestrictedStockExpense"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RestrictedStockExpense_lbl" xml:lang="en-US" id="id_375129_507156_1_1">Restricted Stock Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RestrictedStockExpense_lbl" xml:lang="en-US" id="id_375129_507156_2_1">Share Based compensation Expense</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedStockExpense" xlink:to="us-gaap_RestrictedStockExpense_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RestrictedStockMember" xlink:label="us-gaap_RestrictedStockMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RestrictedStockMember_lbl" xml:lang="en-US" id="id_375129_512177_1_1">Restricted Stock [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RestrictedStockMember_lbl" xml:lang="en-US" id="id_375129_512177_2_1">Restricted Stock</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedStockMember" xlink:to="us-gaap_RestrictedStockMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_RevenuesAbstract" xlink:label="us-gaap_RevenuesAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RevenuesAbstract_lbl" xml:lang="en-US" id="id_375129_503208_1_1">Revenues [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RevenuesAbstract_lbl" xml:lang="en-US" id="id_375129_503208_2_1">Operating Revenues</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenuesAbstract" xlink:to="us-gaap_RevenuesAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_RevolvingFacilityMember" xlink:label="utl_RevolvingFacilityMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_RevolvingFacilityMember_lbl" xml:lang="en-US" id="id_375129_533533_3_1">Revolving Facility [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_RevolvingFacilityMember_lbl" xml:lang="en-US" id="id_375129_533533_1_1">Revolving Facility [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_RevolvingFacilityMember_lbl" xml:lang="en-US" id="id_375129_533533_2_1">Revolving Facility</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_RevolvingFacilityMember" xlink:to="utl_RevolvingFacilityMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScenarioForecastMember" xlink:label="us-gaap_ScenarioForecastMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScenarioForecastMember_lbl" xml:lang="en-US" id="id_375129_510745_1_1">Scenario Forecast [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScenarioForecastMember_lbl" xml:lang="en-US" id="id_375129_510745_2_1">Scenario, Forecast</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScenarioForecastMember" xlink:to="us-gaap_ScenarioForecastMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScenarioUnspecifiedDomain" xlink:label="us-gaap_ScenarioUnspecifiedDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScenarioUnspecifiedDomain_lbl" xml:lang="en-US" id="id_375129_505562_1_1">Scenario Unspecified [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScenarioUnspecifiedDomain_lbl" xml:lang="en-US" id="id_375129_505562_2_1">Scenario, Unspecified [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScenarioUnspecifiedDomain" xlink:to="us-gaap_ScenarioUnspecifiedDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_ScheduleOfAssumptionsUsedInCalculatingNetPeriodicBenefitCostTableTextBlock" xlink:label="utl_ScheduleOfAssumptionsUsedInCalculatingNetPeriodicBenefitCostTableTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ScheduleOfAssumptionsUsedInCalculatingNetPeriodicBenefitCostTableTextBlock_lbl" xml:lang="en-US" id="id_375129_539212_3_1">Schedule of Assumptions Used in Calculating Net Periodic Benefit Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_ScheduleOfAssumptionsUsedInCalculatingNetPeriodicBenefitCostTableTextBlock_lbl" xml:lang="en-US" id="id_375129_539212_1_1">Schedule Of Assumptions Used In Calculating Net Periodic Benefit Cost Table [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_ScheduleOfAssumptionsUsedInCalculatingNetPeriodicBenefitCostTableTextBlock_lbl" xml:lang="en-US" id="id_375129_539212_2_1">Key Weighted Average Assumptions Used In Determining Benefit Plan Costs and Obligations</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_ScheduleOfAssumptionsUsedInCalculatingNetPeriodicBenefitCostTableTextBlock" xlink:to="utl_ScheduleOfAssumptionsUsedInCalculatingNetPeriodicBenefitCostTableTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock" xlink:label="us-gaap_ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock_lbl" xml:lang="en-US" id="id_375129_501684_1_1">Schedule Of Carrying Values And Estimated Fair Values Of Debt Instruments Table [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock_lbl" xml:lang="en-US" id="id_375129_501684_2_1">Estimated Fair Value of Long-Term Debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock" xlink:to="us-gaap_ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfCostsOfRetirementPlansTableTextBlock" xlink:label="us-gaap_ScheduleOfCostsOfRetirementPlansTableTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfCostsOfRetirementPlansTableTextBlock_lbl" xml:lang="en-US" id="id_375129_501077_1_1">Schedule Of Costs Of Retirement Plans Table [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScheduleOfCostsOfRetirementPlansTableTextBlock_lbl" xml:lang="en-US" id="id_375129_501077_2_1">Components of Retirement Plan Costs</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfCostsOfRetirementPlansTableTextBlock" xlink:to="us-gaap_ScheduleOfCostsOfRetirementPlansTableTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:label="us-gaap_ScheduleOfDebtInstrumentsTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfDebtInstrumentsTextBlock_lbl" xml:lang="en-US" id="id_375129_511930_1_1">Schedule Of Debt Instruments [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScheduleOfDebtInstrumentsTextBlock_lbl" xml:lang="en-US" id="id_375129_511930_2_1">Details on Long Term Debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDebtInstrumentsTextBlock" xlink:to="us-gaap_ScheduleOfDebtInstrumentsTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfDebtTableTextBlock" xlink:label="us-gaap_ScheduleOfDebtTableTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfDebtTableTextBlock_lbl" xml:lang="en-US" id="id_375129_512629_1_1">Schedule Of Debt Table [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScheduleOfDebtTableTextBlock_lbl" xml:lang="en-US" id="id_375129_512629_2_1">Borrowing Limits, Amounts Outstanding and Amounts Available Under Revolving Credit Facility</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDebtTableTextBlock" xlink:to="us-gaap_ScheduleOfDebtTableTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:label="us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_lbl" xml:lang="en-US" id="id_375129_499961_1_1">Schedule Of Defined Benefit Plans Disclosures [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_lbl" xml:lang="en-US" id="id_375129_499961_2_1">Schedule of Defined Benefit Plans Disclosures [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:to="us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" xlink:label="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_lbl" xml:lang="en-US" id="id_375129_507791_1_1">Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_lbl" xml:lang="en-US" id="id_375129_507791_2_1">Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable" xlink:to="us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfPreferredUnitsTable" xlink:label="us-gaap_ScheduleOfPreferredUnitsTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfPreferredUnitsTable_lbl" xml:lang="en-US" id="id_375129_505202_1_1">Schedule Of Preferred Units [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScheduleOfPreferredUnitsTable_lbl" xml:lang="en-US" id="id_375129_505202_2_1">Schedule of Preferred Units [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfPreferredUnitsTable" xlink:to="us-gaap_ScheduleOfPreferredUnitsTable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfRegulatoryAssetsTable" xlink:label="us-gaap_ScheduleOfRegulatoryAssetsTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfRegulatoryAssetsTable_lbl" xml:lang="en-US" id="id_375129_509899_1_1">Schedule Of Regulatory Assets [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScheduleOfRegulatoryAssetsTable_lbl" xml:lang="en-US" id="id_375129_509899_2_1">Schedule of Regulatory Assets [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfRegulatoryAssetsTable" xlink:to="us-gaap_ScheduleOfRegulatoryAssetsTable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfRegulatoryAssetsTextBlock" xlink:label="us-gaap_ScheduleOfRegulatoryAssetsTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfRegulatoryAssetsTextBlock_lbl" xml:lang="en-US" id="id_375129_502349_1_1">Schedule Of Regulatory Assets [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScheduleOfRegulatoryAssetsTextBlock_lbl" xml:lang="en-US" id="id_375129_502349_2_1">Fair Value Offset in Regulatory Assets</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfRegulatoryAssetsTextBlock" xlink:to="us-gaap_ScheduleOfRegulatoryAssetsTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl" xml:lang="en-US" id="id_375129_503859_1_1">Schedule Of Segment Reporting Information By Segment [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl" xml:lang="en-US" id="id_375129_503859_2_1">Significant Segment Financial Data</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:to="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ScheduleOfStockByClassTable" xlink:label="us-gaap_ScheduleOfStockByClassTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfStockByClassTable_lbl" xml:lang="en-US" id="id_375129_510939_1_1">Schedule Of Stock By Class [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ScheduleOfStockByClassTable_lbl" xml:lang="en-US" id="id_375129_510939_2_1">Schedule of Stock by Class [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="us-gaap_ScheduleOfStockByClassTable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SecuredDebt" xlink:label="us-gaap_SecuredDebt"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SecuredDebt_lbl" xml:lang="en-US" id="id_375129_503306_1_1">Secured Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SecuredDebt_lbl" xml:lang="en-US" id="id_375129_503306_2_1">Senior Secured Notes</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SeniorNotesFivePointTwoNinePercentDueMarchTwoTwentyTwentyMember_lbl" xml:lang="en-US" id="id_375129_599712_3_1">Senior Notes Five Point Two Nine Percent Due March Two Twenty Twenty [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_SeniorNotesFivePointTwoNinePercentDueMarchTwoTwentyTwentyMember_lbl" xml:lang="en-US" id="id_375129_599712_1_1">Senior Notes Five Point Two Nine Percent Due March Two Twenty Twenty [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_SeniorNotesFivePointTwoNinePercentDueMarchTwoTwentyTwentyMember_lbl" xml:lang="en-US" id="id_375129_599712_2_1">Senior Notes Five Point Two Nine Percent Due March Two Twenty Twenty</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_SeniorNotesFivePointTwoNinePercentDueMarchTwoTwentyTwentyMember" xlink:to="utl_SeniorNotesFivePointTwoNinePercentDueMarchTwoTwentyTwentyMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_SeniorNotesSevenPointOneFivePercentDueDecemberFifteenTwentyEighteenMember" xlink:label="utl_SeniorNotesSevenPointOneFivePercentDueDecemberFifteenTwentyEighteenMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SeniorNotesSevenPointOneFivePercentDueDecemberFifteenTwentyEighteenMember_lbl" xml:lang="en-US" id="id_375129_599710_3_1">Senior Notes Seven Point One Five Percent Due December Fifteen Twenty Eighteen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_SeniorNotesSevenPointOneFivePercentDueDecemberFifteenTwentyEighteenMember_lbl" xml:lang="en-US" id="id_375129_599710_1_1">Senior Notes Seven Point One Five Percent Due December Fifteen Twenty Eighteen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_SeniorNotesSevenPointOneFivePercentDueDecemberFifteenTwentyEighteenMember_lbl" xml:lang="en-US" id="id_375129_599710_2_1">Senior Notes Seven Point One Five Percent Due December Fifteen Twenty Eighteen</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_SeniorNotesSevenPointOneFivePercentDueDecemberFifteenTwentyEighteenMember" xlink:to="utl_SeniorNotesSevenPointOneFivePercentDueDecemberFifteenTwentyEighteenMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_SeniorNotesSevenPointSevenTwoPercentDueDecemberThreeTwentyThirtyEightMember" xlink:label="utl_SeniorNotesSevenPointSevenTwoPercentDueDecemberThreeTwentyThirtyEightMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SeniorNotesSevenPointSevenTwoPercentDueDecemberThreeTwentyThirtyEightMember_lbl" xml:lang="en-US" id="id_375129_599713_3_1">Senior Notes Seven Point Seven Two Percent Due December Three Twenty Thirty Eight [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_SeniorNotesSevenPointSevenTwoPercentDueDecemberThreeTwentyThirtyEightMember_lbl" xml:lang="en-US" id="id_375129_599713_1_1">Senior Notes Seven Point Seven Two Percent Due December Three Twenty Thirty Eight [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_SeniorNotesSevenPointSevenTwoPercentDueDecemberThreeTwentyThirtyEightMember_lbl" xml:lang="en-US" id="id_375129_599713_2_1">Senior Notes Seven Point Seven Two Percent Due December Three Twenty Thirty Eight</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_SeniorNotesSevenPointSevenTwoPercentDueDecemberThreeTwentyThirtyEightMember" xlink:to="utl_SeniorNotesSevenPointSevenTwoPercentDueDecemberThreeTwentyThirtyEightMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SeniorNotesSixPointNineFivePercentDueDecemberThreeTwentyEighteenMember_lbl" xml:lang="en-US" id="id_375129_599711_3_1">Senior Notes Six Point Nine Five Percent Due December Three Twenty Eighteen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_SeniorNotesSixPointNineFivePercentDueDecemberThreeTwentyEighteenMember_lbl" xml:lang="en-US" id="id_375129_599711_1_1">Senior Notes Six Point Nine Five Percent Due December Three Twenty Eighteen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_SeniorNotesSixPointNineFivePercentDueDecemberThreeTwentyEighteenMember_lbl" xml:lang="en-US" id="id_375129_599711_2_1">Senior Notes Six Point Nine Five Percent Due December Three Twenty Eighteen</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_SeniorNotesSixPointNineFivePercentDueDecemberThreeTwentyEighteenMember" xlink:to="utl_SeniorNotesSixPointNineFivePercentDueDecemberThreeTwentyEighteenMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_SeniorNotesSixPointThreeThreePercentDueMayOneTwentyTwentyTwoMember" xlink:label="utl_SeniorNotesSixPointThreeThreePercentDueMayOneTwentyTwentyTwoMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SeniorNotesSixPointThreeThreePercentDueMayOneTwentyTwentyTwoMember_lbl" xml:lang="en-US" id="id_375129_599703_3_1">Senior Notes Six Point Three Three Percent Due May One Twenty Twenty Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_SeniorNotesSixPointThreeThreePercentDueMayOneTwentyTwentyTwoMember_lbl" xml:lang="en-US" id="id_375129_599703_1_1">Senior Notes Six Point Three Three Percent Due May One Twenty Twenty Two [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_SeniorNotesSixPointThreeThreePercentDueMayOneTwentyTwentyTwoMember_lbl" xml:lang="en-US" id="id_375129_599703_2_1">Senior Notes Six Point Three Three Percent Due May One Twenty Twenty Two</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_SeniorNotesSixPointThreeThreePercentDueMayOneTwentyTwentyTwoMember" xlink:to="utl_SeniorNotesSixPointThreeThreePercentDueMayOneTwentyTwentyTwoMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_SeniorSecuredNotesEightPointZeroZeroPercentDueThroughAugustOneTwentySeventeenMember" xlink:label="utl_SeniorSecuredNotesEightPointZeroZeroPercentDueThroughAugustOneTwentySeventeenMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SeniorSecuredNotesEightPointZeroZeroPercentDueThroughAugustOneTwentySeventeenMember_lbl" xml:lang="en-US" id="id_375129_599709_3_1">Senior Secured Notes Eight Point Zero Zero Percent Due Through August One Twenty Seventeen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_SeniorSecuredNotesEightPointZeroZeroPercentDueThroughAugustOneTwentySeventeenMember_lbl" xml:lang="en-US" id="id_375129_599709_1_1">Senior Secured Notes Eight Point Zero Zero Percent Due Through August One Twenty Seventeen [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_SeniorSecuredNotesEightPointZeroZeroPercentDueThroughAugustOneTwentySeventeenMember_lbl" xml:lang="en-US" id="id_375129_599709_2_1">Senior Secured Notes Eight Point Zero Zero Percent Due Through August One Twenty Seventeen</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_SeniorSecuredNotesEightPointZeroZeroPercentDueThroughAugustOneTwentySeventeenMember" xlink:to="utl_SeniorSecuredNotesEightPointZeroZeroPercentDueThroughAugustOneTwentySeventeenMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_SeriesEightMember" xlink:label="utl_SeriesEightMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SeriesEightMember_lbl" xml:lang="en-US" id="id_375129_515766_3_1">Series 8 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_SeriesEightMember_lbl" xml:lang="en-US" id="id_375129_515766_1_1">Series Eight [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_SeriesEightMember_lbl" xml:lang="en-US" id="id_375129_515766_2_1">Series 8</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SeriesFiveMember_lbl" xml:lang="en-US" id="id_375129_515816_3_1">Series 5 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_SeriesFiveMember_lbl" xml:lang="en-US" id="id_375129_515816_1_1">Series Five [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_SeriesFiveMember_lbl" xml:lang="en-US" id="id_375129_515816_2_1">Series 5</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SeriesSixMember_lbl" xml:lang="en-US" id="id_375129_515893_3_1">Series 6 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_SeriesSixMember_lbl" xml:lang="en-US" id="id_375129_515893_1_1">Series Six [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_SeriesSixMember_lbl" xml:lang="en-US" id="id_375129_515893_2_1">Series 6</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SettlementDates_lbl" xml:lang="en-US" id="id_375129_529303_3_1">Settlement Dates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_SettlementDates_lbl" xml:lang="en-US" id="id_375129_529303_1_1">Settlement Dates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_SettlementDates_lbl" xml:lang="en-US" id="id_375129_529303_2_1">Settlement agreement date</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SettlementGainDetailAxis_lbl" xml:lang="en-US" id="id_375129_530626_3_1">Settlement Gain Detail [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_SettlementGainDetailAxis_lbl" xml:lang="en-US" id="id_375129_530626_1_1">Settlement Gain Detail [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_SettlementGainDetailAxis_lbl" xml:lang="en-US" id="id_375129_530626_2_1">Settlement Gain Detail</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SettlementGainDetailDomain_lbl" xml:lang="en-US" id="id_375129_531706_3_1">Settlement Gain Detail [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_SettlementGainDetailDomain_lbl" xml:lang="en-US" id="id_375129_531706_1_1">Settlement Gain Detail [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_SettlementGainDetailDomain_lbl" xml:lang="en-US" id="id_375129_531706_2_1">Settlement Gain Detail [Domain]</label>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl" xml:lang="en-US" id="id_375129_512078_1_1">Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Period 1</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl" xml:lang="en-US" id="id_375129_512078_2_1">Restricted stock Vesting Period</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAnnualVestingPercentage" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAnnualVestingPercentage"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAnnualVestingPercentage_lbl" xml:lang="en-US" id="id_375129_541274_3_1">Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Annual Vesting Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAnnualVestingPercentage_lbl" xml:lang="en-US" id="id_375129_541274_1_1">Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Annual Vesting Percentage</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedInPeriodWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US" id="id_375129_539781_3_1">Share based Compensation Arrangement by Share based Payment Award, Equity Instruments Other than Options, Nonvested in Period, Weighted Average Grant Date Fair Value</label>
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    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantDate" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantDate"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantDate_lbl" xml:lang="en-US" id="id_375129_529232_3_1">Share-based Compensation Arrangement by Share-based Payment Award, Grant Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantDate_lbl" xml:lang="en-US" id="id_375129_529232_1_1">Share Based Compensation Arrangement By Share Based Payment Award Grant Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantDate_lbl" xml:lang="en-US" id="id_375129_529232_2_1">Restricted stock Issue date</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantDate" xlink:to="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantDate_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedOptionsOutstandingNumber" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedOptionsOutstandingNumber"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedOptionsOutstandingNumber_lbl" xml:lang="en-US" id="id_375129_528606_3_1">Share Based Compensation Arrangement by Share Based Payment Award, Nonvested Options, Outstanding, Number</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedOptionsOutstandingNumber_lbl" xml:lang="en-US" id="id_375129_528606_1_1">Share Based Compensation Arrangement By Share Based Payment Award Nonvested Options Outstanding Number</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedOptionsOutstandingNumber_lbl" xml:lang="en-US" id="id_375129_528606_2_1">Restricted Stock Non-Vested</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedOptionsOutstandingNumber" xlink:to="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonvestedOptionsOutstandingNumber_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl" xml:lang="en-US" id="id_375129_503317_1_1">Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl" xml:lang="en-US" id="id_375129_503317_2_1">Restricted stock available for Awards</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAvailableForGrantRestrictedStockUnitsGrantedInPeriod" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAvailableForGrantRestrictedStockUnitsGrantedInPeriod"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAvailableForGrantRestrictedStockUnitsGrantedInPeriod_lbl" xml:lang="en-US" id="id_375129_528327_3_1">Share-Based Compensation Arrangement By Share Based Payment Award Options Available For Grant, Restricted Stock Units Granted In Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAvailableForGrantRestrictedStockUnitsGrantedInPeriod_lbl" xml:lang="en-US" id="id_375129_528327_1_1">Share Based Compensation Arrangement By Share Based Payment Award Options Available For Grant Restricted Stock Units Granted In Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAvailableForGrantRestrictedStockUnitsGrantedInPeriod_lbl" xml:lang="en-US" id="id_375129_528327_2_1">Restricted stock available for Awards</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAvailableForGrantRestrictedStockUnitsGrantedInPeriod" xlink:to="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAvailableForGrantRestrictedStockUnitsGrantedInPeriod_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl" xml:lang="en-US" id="id_375129_508840_1_1">Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl" xml:lang="en-US" id="id_375129_508840_2_1">Forfeitures or cancellations under the Stock Plan</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockUnitsIssued" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockUnitsIssued"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockUnitsIssued_lbl" xml:lang="en-US" id="id_375129_528436_3_1">Share-based Compensation Arrangement by Share-based Payment Award, Restricted stock units issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockUnitsIssued_lbl" xml:lang="en-US" id="id_375129_528436_1_1">Share Based Compensation Arrangement By Share Based Payment Award Restricted Stock Units Issued</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockUnitsIssued_lbl" xml:lang="en-US" id="id_375129_528436_2_1">Fully-vested restricted stock units issued</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockUnitsIssued" xlink:to="utl_ShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockUnitsIssued_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_ShortTermBorrowings" xlink:label="us-gaap_ShortTermBorrowings"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShortTermBorrowings_lbl" xml:lang="en-US" id="id_375129_500550_1_1">Short Term Borrowings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ShortTermBorrowings_lbl" xml:lang="en-US" id="id_375129_500550_2_1">Short-Term Debt</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermBorrowings" xlink:to="us-gaap_ShortTermBorrowings_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_SignificantAccountingPoliciesLineItems" xlink:label="utl_SignificantAccountingPoliciesLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SignificantAccountingPoliciesLineItems_lbl" xml:lang="en-US" id="id_375129_518720_3_1">Significant Accounting Policies [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_SignificantAccountingPoliciesLineItems_lbl" xml:lang="en-US" id="id_375129_518720_1_1">Significant Accounting Policies [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_SignificantAccountingPoliciesLineItems_lbl" xml:lang="en-US" id="id_375129_518720_2_1">Significant Accounting Policies [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_SignificantAccountingPoliciesLineItems" xlink:to="utl_SignificantAccountingPoliciesLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_SignificantAccountingPoliciesTable" xlink:label="utl_SignificantAccountingPoliciesTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SignificantAccountingPoliciesTable_lbl" xml:lang="en-US" id="id_375129_541657_3_1">Significant Accounting Policies [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_SignificantAccountingPoliciesTable_lbl" xml:lang="en-US" id="id_375129_541657_1_1">Significant Accounting Policies [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_SignificantAccountingPoliciesTable_lbl" xml:lang="en-US" id="id_375129_541657_2_1">Significant Accounting Policies [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_SignificantAccountingPoliciesTable" xlink:to="utl_SignificantAccountingPoliciesTable_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SignificantAccountingPoliciesTextBlock" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xml:lang="en-US" id="id_375129_513804_1_1">Significant Accounting Policies [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xml:lang="en-US" id="id_375129_513804_2_1">Summary Of Significant Accounting Policies</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SignificantAccountingPoliciesTextBlock" xlink:to="us-gaap_SignificantAccountingPoliciesTextBlock_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SiteContingencyLineItems" xlink:label="us-gaap_SiteContingencyLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SiteContingencyLineItems_lbl" xml:lang="en-US" id="id_375129_503142_1_1">Site Contingency [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SiteContingencyLineItems_lbl" xml:lang="en-US" id="id_375129_503142_2_1">Site Contingency [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SiteContingencyLineItems" xlink:to="us-gaap_SiteContingencyLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SiteContingencyTable" xlink:label="us-gaap_SiteContingencyTable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SiteContingencyTable_lbl" xml:lang="en-US" id="id_375129_499966_1_1">Site Contingency [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SiteContingencyTable_lbl" xml:lang="en-US" id="id_375129_499966_2_1">Site Contingency [Table]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SiteContingencyTable" xlink:to="us-gaap_SiteContingencyTable_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_SnowStormMember" xlink:label="utl_SnowStormMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SnowStormMember_lbl" xml:lang="en-US" id="id_375129_600639_3_1">Snow Storm [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_SnowStormMember_lbl" xml:lang="en-US" id="id_375129_600639_1_1">Snow Storm [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_SnowStormMember_lbl" xml:lang="en-US" id="id_375129_600639_2_1">Severe Snow Storm</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_SnowStormMember" xlink:to="utl_SnowStormMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StateAndLocalJurisdictionMember" xlink:label="us-gaap_StateAndLocalJurisdictionMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StateAndLocalJurisdictionMember_lbl" xml:lang="en-US" id="id_375129_509983_1_1">State And Local Jurisdiction [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StateAndLocalJurisdictionMember_lbl" xml:lang="en-US" id="id_375129_509983_2_1">State and Local Jurisdiction</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StateAndLocalJurisdictionMember" xlink:to="us-gaap_StateAndLocalJurisdictionMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="us-gaap_StatementBusinessSegmentsAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementBusinessSegmentsAxis_lbl" xml:lang="en-US" id="id_375129_500291_1_1">Statement Business Segments [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StatementBusinessSegmentsAxis_lbl" xml:lang="en-US" id="id_375129_500291_2_1">Business Segments</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementBusinessSegmentsAxis" xlink:to="us-gaap_StatementBusinessSegmentsAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:label="us-gaap_StatementClassOfStockAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xml:lang="en-US" id="id_375129_513696_1_1">Statement Class Of Stock [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xml:lang="en-US" id="id_375129_513696_2_1">Class of Stock</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_StatementClassOfStockAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xml:lang="en-US" id="id_375129_505872_1_1">Statement Equity Components [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xml:lang="en-US" id="id_375129_505872_2_1">Equity Components [Axis]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="us-gaap_StatementEquityComponentsAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementLineItems" xlink:label="us-gaap_StatementLineItems"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementLineItems_lbl" xml:lang="en-US" id="id_375129_507536_1_1">Statement [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StatementLineItems_lbl" xml:lang="en-US" id="id_375129_507536_2_1">Statement [Line Items]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementLineItems" xlink:to="us-gaap_StatementLineItems_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract" xlink:label="us-gaap_StatementOfCashFlowsAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl" xml:lang="en-US" id="id_375129_511205_1_1">Statement Of Cash Flows [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl" xml:lang="en-US" id="id_375129_511205_2_1">Statement of Cash Flows [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfCashFlowsAbstract" xlink:to="us-gaap_StatementOfCashFlowsAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract" xlink:label="us-gaap_StatementOfFinancialPositionAbstract"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementOfFinancialPositionAbstract_lbl" xml:lang="en-US" id="id_375129_505972_1_1">Statement Of Financial Position [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StatementOfFinancialPositionAbstract_lbl" xml:lang="en-US" id="id_375129_505972_2_1">Statement of Financial Position [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementOfFinancialPositionAbstract" xlink:to="us-gaap_StatementOfFinancialPositionAbstract_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_StatementScenarioAxis" xlink:label="us-gaap_StatementScenarioAxis"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementScenarioAxis_lbl" xml:lang="en-US" id="id_375129_507189_1_1">Statement Scenario [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_StatementScenarioAxis_lbl" xml:lang="en-US" id="id_375129_507189_2_1">Scenario</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementScenarioAxis" xlink:to="us-gaap_StatementScenarioAxis_lbl"/>
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    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember" xlink:label="us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember"/>
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    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_SupremeCourtMember" xlink:label="utl_SupremeCourtMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_SupremeCourtMember_lbl" xml:lang="en-US" id="id_375129_536201_3_1">Supreme Court [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_SupremeCourtMember_lbl" xml:lang="en-US" id="id_375129_536201_1_1">Supreme Court [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_SupremeCourtMember_lbl" xml:lang="en-US" id="id_375129_536201_2_1">Supreme Court</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TaxCreditCarryforwardAxis_lbl" xml:lang="en-US" id="id_375129_502984_1_1">Tax Credit Carryforward [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_TaxCreditCarryforwardAxis_lbl" xml:lang="en-US" id="id_375129_502984_2_1">Tax Credit Carryforward</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TaxCreditCarryforwardAxis" xlink:to="us-gaap_TaxCreditCarryforwardAxis_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_TaxCreditCarryforwardNameDomain_lbl" xml:lang="en-US" id="id_375129_505286_2_1">Tax Credit Carryforward, Name [Domain]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TaxesPayableCurrent_lbl" xml:lang="en-US" id="id_375129_513000_1_1">Taxes Payable Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_TaxesPayableCurrent_lbl" xml:lang="en-US" id="id_375129_513000_2_1">Taxes Payable</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TaxesPayableCurrent" xlink:to="us-gaap_TaxesPayableCurrent_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TextBlockAbstract_lbl" xml:lang="en-US" id="id_375129_499125_1_1">Text Block [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_TextBlockAbstract_lbl" xml:lang="en-US" id="id_375129_499125_2_1">Text Block [Abstract]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TextBlockAbstract" xlink:to="us-gaap_TextBlockAbstract_lbl"/>
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    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_TropicalStormIreneMember" xlink:label="utl_TropicalStormIreneMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_TropicalStormIreneMember_lbl" xml:lang="en-US" id="id_375129_600638_3_1">Tropical Storm Irene [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_TropicalStormIreneMember_lbl" xml:lang="en-US" id="id_375129_600638_1_1">Tropical Storm Irene [Member]</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_TropicalStormIreneMember" xlink:to="utl_TropicalStormIreneMember_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnbilledContractsReceivable" xlink:label="us-gaap_UnbilledContractsReceivable"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnbilledContractsReceivable_lbl" xml:lang="en-US" id="id_375129_508238_1_1">Unbilled Contracts Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_UnbilledContractsReceivable_lbl" xml:lang="en-US" id="id_375129_508238_2_1">Accrued Revenue</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnbilledContractsReceivable" xlink:to="us-gaap_UnbilledContractsReceivable_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnderlyingAssetClassAxis_lbl" xml:lang="en-US" id="id_375129_499220_1_1">Underlying Asset Class [Axis]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_UnderlyingAssetClassAxis_lbl" xml:lang="en-US" id="id_375129_499220_2_1">Underlying Asset Class</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnderlyingAssetClassAxis" xlink:to="us-gaap_UnderlyingAssetClassAxis_lbl"/>
    <loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2012/elts/us-gaap-2012-01-31.xsd#us-gaap_UnderlyingAssetClassDomain" xlink:label="us-gaap_UnderlyingAssetClassDomain"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnderlyingAssetClassDomain_lbl" xml:lang="en-US" id="id_375129_500832_1_1">Underlying Asset Class [Domain]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_UnderlyingAssetClassDomain_lbl" xml:lang="en-US" id="id_375129_500832_2_1">Underlying Asset Class [Domain]</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnderlyingAssetClassDomain" xlink:to="us-gaap_UnderlyingAssetClassDomain_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_UnitilEnergySystemsIncMember" xlink:label="utl_UnitilEnergySystemsIncMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_UnitilEnergySystemsIncMember_lbl" xml:lang="en-US" id="id_375129_599719_3_1">Unitil Energy Systems Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_UnitilEnergySystemsIncMember_lbl" xml:lang="en-US" id="id_375129_599719_1_1">Unitil Energy Systems Inc [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_UnitilEnergySystemsIncMember_lbl" xml:lang="en-US" id="id_375129_599719_2_1">Unitil Energy Systems Inc</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_UnitilEnergySystemsIncMember" xlink:to="utl_UnitilEnergySystemsIncMember_lbl"/>
    <loc xlink:type="locator" xlink:href="utl-20120930.xsd#utl_UnitilRealtyCorpMember" xlink:label="utl_UnitilRealtyCorpMember"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="utl_UnitilRealtyCorpMember_lbl" xml:lang="en-US" id="id_375129_599723_3_1">Unitil Realty Corp [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="utl_UnitilRealtyCorpMember_lbl" xml:lang="en-US" id="id_375129_599723_1_1">Unitil Realty Corp [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="utl_UnitilRealtyCorpMember_lbl" xml:lang="en-US" id="id_375129_599723_2_1">Unitil Realty Corp</label>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="utl_UnitilRealtyCorpMember" xlink:to="utl_UnitilRealtyCorpMember_lbl"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnregulatedOperationMember_lbl" xml:lang="en-US" id="id_375129_507495_1_1">Unregulated Operation [Member]</label>
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