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<!--
Taxonomy Labels Linkbase based upon the XBRL Version 2.1 standard
Automatically created by EDGAR Online Inc. at Mar 19 2008 10:33AM
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-->
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  <labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AbandonedProjectsNoncurrent" xlink:label="exc-og_AbandonedProjectsNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AbandonedProjectsNoncurrent" xlink:to="exc-og_AbandonedProjectsNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AbandonedProjectsNoncurrent_lbl" xml:lang="en">Aggregate amount of cancellation of all or part of a contract or purchase order to procure, manufacture, or assemble an item.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AbandonedProjectsNoncurrent_lbl" xml:lang="en">Abandoned Projects Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AbandonedProjectsNoncurrent_lbl" xml:lang="en">Abandoned Projects Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AbandonedProjectsNoncurrent_lbl" xml:lang="en">Abandoned Projects Noncurrent - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccelerationStockOptionsAdditionalPaidCapital" xlink:label="exc-og_AccelerationStockOptionsAdditionalPaidCapital"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccelerationStockOptionsAdditionalPaidCapital" xlink:to="exc-og_AccelerationStockOptionsAdditionalPaidCapital_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccelerationStockOptionsAdditionalPaidCapital_lbl" xml:lang="en">Accelaration of Stock Options - Additional Paid in Capital</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccelerationStockOptionsAdditionalPaidCapital_lbl" xml:lang="en">Accelaration of Stock Options - Additional Paid in Capital</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccelerationStockOptionsAdditionalPaidCapital_lbl" xml:lang="en">Accelaration of Stock Options - Additional Paid in Capital</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccelerationStockOptionsAdditionalPaidCapital_lbl" xml:lang="en">Accelaration of Stock Options - Additional Paid in Capital - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccountingPoliciesBalanceSheetClassificationBasedOnOperatingCycle" xlink:label="exc-og_AccountingPoliciesBalanceSheetClassificationBasedOnOperatingCycle"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccountingPoliciesBalanceSheetClassificationBasedOnOperatingCycle" xlink:to="exc-og_AccountingPoliciesBalanceSheetClassificationBasedOnOperatingCycle_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccountingPoliciesBalanceSheetClassificationBasedOnOperatingCycle_lbl" xml:lang="en">An explanation of the practice followed for the classification of current assets and liabilities if a company's normal operating cycle is longer than one year and the balance sheet is classified.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccountingPoliciesBalanceSheetClassificationBasedOnOperatingCycle_lbl" xml:lang="en">Balance Sheet Classification Based on Operating Cycle Policy</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccountingPoliciesBalanceSheetClassificationBasedOnOperatingCycle_lbl" xml:lang="en">Balance Sheet Classification Based on Operating Cycle</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccountingPoliciesBalanceSheetClassificationBasedOnOperatingCycle_lbl" xml:lang="en">Balance Sheet Classification Based on Operating Cycle Policy - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccountingPoliciesReclassifications" xlink:label="exc-og_AccountingPoliciesReclassifications"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccountingPoliciesReclassifications" xlink:to="exc-og_AccountingPoliciesReclassifications_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccountingPoliciesReclassifications_lbl" xml:lang="en">Description of any reclassification of accounts that occurred between any fiscal years reported.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccountingPoliciesReclassifications_lbl" xml:lang="en">Reclassifications Policy</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccountingPoliciesReclassifications_lbl" xml:lang="en">Reclassifications</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccountingPoliciesReclassifications_lbl" xml:lang="en">Reclassifications Policy - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccountNoteReceivableGrossCurrent" xlink:label="exc-og_AccountNoteReceivableGrossCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccountNoteReceivableGrossCurrent" xlink:to="exc-og_AccountNoteReceivableGrossCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccountNoteReceivableGrossCurrent_lbl" xml:lang="en">Accounts and Notes Receivables arising from the sale of goods and services provided in the normal course of business which are usually due within 1 year (or one business cycle).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccountNoteReceivableGrossCurrent_lbl" xml:lang="en">Accounts and Notes Receivable, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccountNoteReceivableGrossCurrent_lbl" xml:lang="en">Accounts and Notes Receivable, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccountNoteReceivableGrossCurrent_lbl" xml:lang="en">Accounts and Notes Receivable, Gross - Total</label>
    <loc xlink:type="locator" xlink:href="http://www.xbrl.org/us/fr/common/pte/2005-02-28/usfr-pte-2005-02-28.xsd#usfr-pte_AccountsPayable" xlink:label="usfr-pte_AccountsPayable"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="usfr-pte_AccountsPayable" xlink:to="usfr-pte_AccountsPayable_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="usfr-pte_AccountsPayable_lbl" xml:lang="en">Amounts due to third parties for goods or services received.  Amounts have usually been invoiced.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="usfr-pte_AccountsPayable_lbl" xml:lang="en">Accounts payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="usfr-pte_AccountsPayable_lbl" xml:lang="en">Accounts payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="usfr-pte_AccountsPayable_lbl" xml:lang="en">Accounts payable</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccountsPayableGasPurchase" xlink:label="exc-og_AccountsPayableGasPurchase"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccountsPayableGasPurchase" xlink:to="exc-og_AccountsPayableGasPurchase_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccountsPayableGasPurchase_lbl" xml:lang="en">Amounts due to third parties for purchases of natural gas</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccountsPayableGasPurchase_lbl" xml:lang="en">Gas Purchase Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccountsPayableGasPurchase_lbl" xml:lang="en">Gas Purchase Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccountsPayableGasPurchase_lbl" xml:lang="en">Gas Purchase Payable - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccountsReceivableNoncurrent" xlink:label="exc-og_AccountsReceivableNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccountsReceivableNoncurrent" xlink:to="exc-og_AccountsReceivableNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccountsReceivableNoncurrent_lbl" xml:lang="en">Noncurrent amount of accounts receivable, less allowances.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccountsReceivableNoncurrent_lbl" xml:lang="en">Accounts Receivable Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccountsReceivableNoncurrent_lbl" xml:lang="en">Accounts Receivable Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccountsReceivableNoncurrent_lbl" xml:lang="en">Accounts Receivable Noncurrent - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccountsReceivableOilGas" xlink:label="exc-og_AccountsReceivableOilGas"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccountsReceivableOilGas" xlink:to="exc-og_AccountsReceivableOilGas_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccountsReceivableOilGas_lbl" xml:lang="en">Portion of accounts receivable (current) attributable to sales of oil and gas product sales</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccountsReceivableOilGas_lbl" xml:lang="en">Accounts Receivable, Oil and Gas Sales - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccountsReceivableOilGas_lbl" xml:lang="en">Oil and Gas Sales</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccountsReceivableOilGas_lbl" xml:lang="en">Accounts Receivable, Oil and Gas Sales - Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccountsReceivableProductTransportation" xlink:label="exc-og_AccountsReceivableProductTransportation"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccountsReceivableProductTransportation" xlink:to="exc-og_AccountsReceivableProductTransportation_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccountsReceivableProductTransportation_lbl" xml:lang="en">Portion of accounts receivable (current) attributable to product and transportation services</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccountsReceivableProductTransportation_lbl" xml:lang="en">Accounts Receivable, Product and Transportation - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccountsReceivableProductTransportation_lbl" xml:lang="en">Product and Transportation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccountsReceivableProductTransportation_lbl" xml:lang="en">Accounts Receivable, Product and Transportation - Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccountsReceivableRelatedPartyNonCurrent" xlink:label="exc-og_AccountsReceivableRelatedPartyNonCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccountsReceivableRelatedPartyNonCurrent" xlink:to="exc-og_AccountsReceivableRelatedPartyNonCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccountsReceivableRelatedPartyNonCurrent_lbl" xml:lang="en">Receivables arising from transactions with parties associated with the reporting entity which are due beyond 1 year (or one business cycle).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccountsReceivableRelatedPartyNonCurrent_lbl" xml:lang="en">Accounts Receivable - Related Party - Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccountsReceivableRelatedPartyNonCurrent_lbl" xml:lang="en">Accounts Receivable - Related Party - Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccountsReceivableRelatedPartyNonCurrent_lbl" xml:lang="en">Accounts Receivable - Related Party - Noncurrent - Total</label>
    <loc xlink:type="locator" xlink:href="http://www.xbrl.org/us/fr/common/pte/2005-02-28/usfr-pte-2005-02-28.xsd#usfr-pte_AccountsReceivableTradeNet" xlink:label="usfr-pte_AccountsReceivableTradeNet"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="usfr-pte_AccountsReceivableTradeNet" xlink:to="usfr-pte_AccountsReceivableTradeNet_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="usfr-pte_AccountsReceivableTradeNet_lbl" xml:lang="en">Total amount of accounts receivable, less allowances.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="usfr-pte_AccountsReceivableTradeNet_lbl" xml:lang="en">Customer</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="usfr-pte_AccountsReceivableTradeNet_lbl" xml:lang="en">Customer</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="usfr-pte_AccountsReceivableTradeNet_lbl" xml:lang="en">Customer</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccretionExpense" xlink:label="exc-og_AccretionExpense"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccretionExpense" xlink:to="exc-og_AccretionExpense_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccretionExpense_lbl" xml:lang="en">Cost recorded as accretion of discounted future revenues and expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccretionExpense_lbl" xml:lang="en">Accretion Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccretionExpense_lbl" xml:lang="en">Accretion Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccretionExpense_lbl" xml:lang="en">Accretion Expense - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccruedAbandonmentCostNoncurrent" xlink:label="exc-og_AccruedAbandonmentCostNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccruedAbandonmentCostNoncurrent" xlink:to="exc-og_AccruedAbandonmentCostNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccruedAbandonmentCostNoncurrent_lbl" xml:lang="en">Noncurrent liability of costs of abandonment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccruedAbandonmentCostNoncurrent_lbl" xml:lang="en">Accrued Abandonment Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccruedAbandonmentCostNoncurrent_lbl" xml:lang="en">Abandonment Obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccruedAbandonmentCostNoncurrent_lbl" xml:lang="en">Accrued Abandonment Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccruedDismantlementRemovalEnviromentalCosts" xlink:label="exc-og_AccruedDismantlementRemovalEnviromentalCosts"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccruedDismantlementRemovalEnviromentalCosts" xlink:to="exc-og_AccruedDismantlementRemovalEnviromentalCosts_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccruedDismantlementRemovalEnviromentalCosts_lbl" xml:lang="en">Accrued Dismantlement Removal Environmental Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccruedDismantlementRemovalEnviromentalCosts_lbl" xml:lang="en">Accrued Dismantlement Removal Environmental Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccruedDismantlementRemovalEnviromentalCosts_lbl" xml:lang="en">Accrued Dismantlement Removal Environmental Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccruedDismantlementRemovalEnviromentalCosts_lbl" xml:lang="en">Accrued Dismantlement Removal Environmental Costs - Total</label>
    <loc xlink:type="locator" xlink:href="http://www.xbrl.org/us/fr/common/pte/2005-02-28/usfr-pte-2005-02-28.xsd#usfr-pte_AccruedExpenses" xlink:label="usfr-pte_AccruedExpenses"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="usfr-pte_AccruedExpenses" xlink:to="usfr-pte_AccruedExpenses_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="usfr-pte_AccruedExpenses_lbl" xml:lang="en">Expenses incurred at the end of the reporting period but not yet paid.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="usfr-pte_AccruedExpenses_lbl" xml:lang="en">Accrued expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="usfr-pte_AccruedExpenses_lbl" xml:lang="en">Accrued expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="usfr-pte_AccruedExpenses_lbl" xml:lang="en">Accrued expenses</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccruedExpensesNoncurrent" xlink:label="exc-og_AccruedExpensesNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccruedExpensesNoncurrent" xlink:to="exc-og_AccruedExpensesNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccruedExpensesNoncurrent_lbl" xml:lang="en">The non-current portion (due beyond one year or one operating cycle) Expenses incurred at the end of the reporting period but not yet paid.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccruedExpensesNoncurrent_lbl" xml:lang="en">Accrued Expenses Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccruedExpensesNoncurrent_lbl" xml:lang="en">Accrued Expenses Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccruedExpensesNoncurrent_lbl" xml:lang="en">Accrued Expenses Noncurrent - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccruedInsuranceNoncurrent" xlink:label="exc-og_AccruedInsuranceNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccruedInsuranceNoncurrent" xlink:to="exc-og_AccruedInsuranceNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccruedInsuranceNoncurrent_lbl" xml:lang="en">The non-current portion (due beyond one year or one operating cycle) Unpaid obligation of insurance costs due to third parties.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccruedInsuranceNoncurrent_lbl" xml:lang="en">Accrued Insurance Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccruedInsuranceNoncurrent_lbl" xml:lang="en">Accrued Insurance Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccruedInsuranceNoncurrent_lbl" xml:lang="en">Accrued Insurance Noncurrent - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccruedReclamationCostOilAndGasCurrent" xlink:label="exc-og_AccruedReclamationCostOilAndGasCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccruedReclamationCostOilAndGasCurrent" xlink:to="exc-og_AccruedReclamationCostOilAndGasCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccruedReclamationCostOilAndGasCurrent_lbl" xml:lang="en">Current liability of costs of oil and gas reclamation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccruedReclamationCostOilAndGasCurrent_lbl" xml:lang="en">Current portion of accrued cost of oil and gas reclamation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccruedReclamationCostOilAndGasCurrent_lbl" xml:lang="en">Oil and Gas Reclamation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccruedReclamationCostOilAndGasCurrent_lbl" xml:lang="en">Current portion of accrued cost of oil and gas reclamation - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccruedReclamationCostOilGasNoncurrent" xlink:label="exc-og_AccruedReclamationCostOilGasNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccruedReclamationCostOilGasNoncurrent" xlink:to="exc-og_AccruedReclamationCostOilGasNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccruedReclamationCostOilGasNoncurrent_lbl" xml:lang="en">Noncurrent liability of costs of oil and gas reclamation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccruedReclamationCostOilGasNoncurrent_lbl" xml:lang="en">Accrued cost of oil and gas reclamation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccruedReclamationCostOilGasNoncurrent_lbl" xml:lang="en">Oil and Gas Reclamation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccruedReclamationCostOilGasNoncurrent_lbl" xml:lang="en">Accrued cost of oil and gas reclamation - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccruedReclamationCostSulphurCurrent" xlink:label="exc-og_AccruedReclamationCostSulphurCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccruedReclamationCostSulphurCurrent" xlink:to="exc-og_AccruedReclamationCostSulphurCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccruedReclamationCostSulphurCurrent_lbl" xml:lang="en">Current liability of costs of sulphur reclamation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccruedReclamationCostSulphurCurrent_lbl" xml:lang="en">Current portion of accrued cost of sulphur reclamation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccruedReclamationCostSulphurCurrent_lbl" xml:lang="en">Sulphur Reclamation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccruedReclamationCostSulphurCurrent_lbl" xml:lang="en">Current portion of accrued cost of sulphur reclamation - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccruedReclamationCostSulphurNoncurrent" xlink:label="exc-og_AccruedReclamationCostSulphurNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccruedReclamationCostSulphurNoncurrent" xlink:to="exc-og_AccruedReclamationCostSulphurNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccruedReclamationCostSulphurNoncurrent_lbl" xml:lang="en">Noncurrent liability of costs of sulphur reclamation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccruedReclamationCostSulphurNoncurrent_lbl" xml:lang="en">Accrued cost of sulphur reclamation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccruedReclamationCostSulphurNoncurrent_lbl" xml:lang="en">Sulphur Reclamation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccruedReclamationCostSulphurNoncurrent_lbl" xml:lang="en">Accrued cost of sulphur reclamation - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccruedRentCurrent" xlink:label="exc-og_AccruedRentCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccruedRentCurrent" xlink:to="exc-og_AccruedRentCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccruedRentCurrent_lbl" xml:lang="en">Unpaid obligation of rent due within 1 year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccruedRentCurrent_lbl" xml:lang="en">Accrued Rent Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccruedRentCurrent_lbl" xml:lang="en">Accrued Rent Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccruedRentCurrent_lbl" xml:lang="en">Accrued Rent Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccruedRentNoncurrent" xlink:label="exc-og_AccruedRentNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccruedRentNoncurrent" xlink:to="exc-og_AccruedRentNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccruedRentNoncurrent_lbl" xml:lang="en">The non-current portion (due beyond one year or one operating cycle)Unpaid obligation of rent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccruedRentNoncurrent_lbl" xml:lang="en">Accrued Rent Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccruedRentNoncurrent_lbl" xml:lang="en">Accrued Rent Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccruedRentNoncurrent_lbl" xml:lang="en">Accrued Rent Noncurrent - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccruedUnbilledUtilityRevenueCurrent" xlink:label="exc-og_AccruedUnbilledUtilityRevenueCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccruedUnbilledUtilityRevenueCurrent" xlink:to="exc-og_AccruedUnbilledUtilityRevenueCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccruedUnbilledUtilityRevenueCurrent_lbl" xml:lang="en">Utilty related obligation of unearned revenue, including refund obligations due within one year or one business cycle.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccruedUnbilledUtilityRevenueCurrent_lbl" xml:lang="en">Accrued Unbilled Utility Revenue Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccruedUnbilledUtilityRevenueCurrent_lbl" xml:lang="en">Accrued Unbilled Utility Revenue Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccruedUnbilledUtilityRevenueCurrent_lbl" xml:lang="en">Accrued Unbilled Utility Revenue Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccumulatedAmortizationByTypeAbstract" xlink:label="exc-og_AccumulatedAmortizationByTypeAbstract"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccumulatedAmortizationByTypeAbstract" xlink:to="exc-og_AccumulatedAmortizationByTypeAbstract_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccumulatedAmortizationByTypeAbstract_lbl" xml:lang="en">Amount of amortization listed by asset types.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccumulatedAmortizationByTypeAbstract_lbl" xml:lang="en">Accumulated Amortization By Type</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccumulatedAmortizationByTypeAbstract_lbl" xml:lang="en">Accumulated Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccumulatedAmortizationByTypeAbstract_lbl" xml:lang="en">Accumulated Amortization By Type - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccumulatedAmortizationGoodwill" xlink:label="exc-og_AccumulatedAmortizationGoodwill"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccumulatedAmortizationGoodwill" xlink:to="exc-og_AccumulatedAmortizationGoodwill_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccumulatedAmortizationGoodwill_lbl" xml:lang="en">The cumulative amount of amortization, generally shown as a deduction from the recorded amount of Goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccumulatedAmortizationGoodwill_lbl" xml:lang="en">Accumulated Amortization - Goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccumulatedAmortizationGoodwill_lbl" xml:lang="en">Accumulated Amortization - Goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccumulatedAmortizationGoodwill_lbl" xml:lang="en">Accumulated Amortization - Goodwill - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccumulatedAmortizationIntangibleAssets" xlink:label="exc-og_AccumulatedAmortizationIntangibleAssets"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccumulatedAmortizationIntangibleAssets" xlink:to="exc-og_AccumulatedAmortizationIntangibleAssets_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccumulatedAmortizationIntangibleAssets_lbl" xml:lang="en">The cumulative amount of amortization, generally shown as a deduction from the recorded amount of intangible assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccumulatedAmortizationIntangibleAssets_lbl" xml:lang="en">Accumulated Amortization - Intangible Assets (Excluding Goodwill)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccumulatedAmortizationIntangibleAssets_lbl" xml:lang="en">Accumulated Amortization - Intangible Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccumulatedAmortizationIntangibleAssets_lbl" xml:lang="en">Accumulated Amortization - Intangible Assets (Excluding Goodwill) - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccumulatedAmortizationIntangibleAssetsGoodwill" xlink:label="exc-og_AccumulatedAmortizationIntangibleAssetsGoodwill"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccumulatedAmortizationIntangibleAssetsGoodwill" xlink:to="exc-og_AccumulatedAmortizationIntangibleAssetsGoodwill_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccumulatedAmortizationIntangibleAssetsGoodwill_lbl" xml:lang="en">The cumulative amount of regular periodic expensing of goodwill (i.e. excess cost over net asset acquired).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccumulatedAmortizationIntangibleAssetsGoodwill_lbl" xml:lang="en">Accumulated Amortization - Intangible Assets - Goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccumulatedAmortizationIntangibleAssetsGoodwill_lbl" xml:lang="en">Goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccumulatedAmortizationIntangibleAssetsGoodwill_lbl" xml:lang="en">Accumulated Amortization - Intangible Assets - Goodwill - Total</label>
    <loc xlink:type="locator" xlink:href="http://www.xbrl.org/us/fr/common/pte/2005-02-28/usfr-pte-2005-02-28.xsd#usfr-pte_AccumulatedComprehensiveIncome" xlink:label="usfr-pte_AccumulatedComprehensiveIncome"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="usfr-pte_AccumulatedComprehensiveIncome" xlink:to="usfr-pte_AccumulatedComprehensiveIncome_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="usfr-pte_AccumulatedComprehensiveIncome_lbl" xml:lang="en">Accumulated Comprehensive Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="usfr-pte_AccumulatedComprehensiveIncome_lbl" xml:lang="en">Accumulated other comprehensive loss, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="usfr-pte_AccumulatedComprehensiveIncome_lbl" xml:lang="en">Accumulated other comprehensive loss, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="usfr-pte_AccumulatedComprehensiveIncome_lbl" xml:lang="en">Accumulated other comprehensive loss, net</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccumulatedComprehensiveIncomeBeginningBalance" xlink:label="exc-og_AccumulatedComprehensiveIncomeBeginningBalance"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccumulatedComprehensiveIncomeBeginningBalance" xlink:to="exc-og_AccumulatedComprehensiveIncomeBeginningBalance_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccumulatedComprehensiveIncomeBeginningBalance_lbl" xml:lang="en">Accumulated Other Comprehensive Income/(Loss) at the beginning of accounting period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccumulatedComprehensiveIncomeBeginningBalance_lbl" xml:lang="en">Accumulated Other Comprehensive Loss - Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccumulatedComprehensiveIncomeBeginningBalance_lbl" xml:lang="en">Accumulated Other Comprehensive Income/(Loss) - Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccumulatedComprehensiveIncomeBeginningBalance_lbl" xml:lang="en">Accumulated Other Comprehensive Loss - Beginning Balance - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccumulatedComprehensiveIncomeEndingBalance" xlink:label="exc-og_AccumulatedComprehensiveIncomeEndingBalance"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccumulatedComprehensiveIncomeEndingBalance" xlink:to="exc-og_AccumulatedComprehensiveIncomeEndingBalance_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccumulatedComprehensiveIncomeEndingBalance_lbl" xml:lang="en">Accumulated Other Comprehensive Income/(Loss) at the end of the accounting period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccumulatedComprehensiveIncomeEndingBalance_lbl" xml:lang="en">Accumulated Other Comprehensive Loss - Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccumulatedComprehensiveIncomeEndingBalance_lbl" xml:lang="en">Accumulated Other Comprehensive Income/(Loss) - Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccumulatedComprehensiveIncomeEndingBalance_lbl" xml:lang="en">Accumulated Other Comprehensive Loss - Ending Balance - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccumulatedDepletion" xlink:label="exc-og_AccumulatedDepletion"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccumulatedDepletion" xlink:to="exc-og_AccumulatedDepletion_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccumulatedDepletion_lbl" xml:lang="en">The cumulative depletion allowance of the natural resources (gas, oil, etc)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccumulatedDepletion_lbl" xml:lang="en">Accumulated Depletion</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccumulatedDepletion_lbl" xml:lang="en">Accumulated Depletion</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccumulatedDepletion_lbl" xml:lang="en">Accumulated Depletion - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccumulatedDepreciationDepletionAmortization" xlink:label="exc-og_AccumulatedDepreciationDepletionAmortization"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccumulatedDepreciationDepletionAmortization" xlink:to="exc-og_AccumulatedDepreciationDepletionAmortization_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccumulatedDepreciationDepletionAmortization_lbl" xml:lang="en">The cumulative amount of Depreciation, Depletion and Amortization.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccumulatedDepreciationDepletionAmortization_lbl" xml:lang="en">Accumulated Depreciation, Depletion and Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccumulatedDepreciationDepletionAmortization_lbl" xml:lang="en">Accumulated Depreciation, Depletion and Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccumulatedDepreciationDepletionAmortization_lbl" xml:lang="en">Accumulated Depreciation, Depletion and Amortization - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccumulatedDepreciationDepletionAmortizationAbstract" xlink:label="exc-og_AccumulatedDepreciationDepletionAmortizationAbstract"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccumulatedDepreciationDepletionAmortizationAbstract" xlink:to="exc-og_AccumulatedDepreciationDepletionAmortizationAbstract_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccumulatedDepreciationDepletionAmortizationAbstract_lbl" xml:lang="en">Cumulative depreciation, depletion and amortization of other property and equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccumulatedDepreciationDepletionAmortizationAbstract_lbl" xml:lang="en">Accumulated Depreciation, Depletion and  Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccumulatedDepreciationDepletionAmortizationAbstract_lbl" xml:lang="en">Accumulated Depreciation, Depletion and Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccumulatedDepreciationDepletionAmortizationAbstract_lbl" xml:lang="en">Accumulated Depreciation, Depletion and  Amortization - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccumulatedDepreciationDepletionAmortizationMineralProperties" xlink:label="exc-og_AccumulatedDepreciationDepletionAmortizationMineralProperties"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccumulatedDepreciationDepletionAmortizationMineralProperties" xlink:to="exc-og_AccumulatedDepreciationDepletionAmortizationMineralProperties_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccumulatedDepreciationDepletionAmortizationMineralProperties_lbl" xml:lang="en">The cumulative amount of Depreciation, Depletion and Amortization on Mineral Properties that has been recognized in the income statement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccumulatedDepreciationDepletionAmortizationMineralProperties_lbl" xml:lang="en">Accumulated Depreciation, Depletion and Amortization - Mineral Properties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccumulatedDepreciationDepletionAmortizationMineralProperties_lbl" xml:lang="en">Accumulated Depreciation, Depletion and Amortization - Mineral Properties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccumulatedDepreciationDepletionAmortizationMineralProperties_lbl" xml:lang="en">Accumulated Depreciation, Depletion and Amortization - Mineral Properties - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccumulatedDepreciationDepletionAmortizationTimberProperties" xlink:label="exc-og_AccumulatedDepreciationDepletionAmortizationTimberProperties"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccumulatedDepreciationDepletionAmortizationTimberProperties" xlink:to="exc-og_AccumulatedDepreciationDepletionAmortizationTimberProperties_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccumulatedDepreciationDepletionAmortizationTimberProperties_lbl" xml:lang="en">The cumulative amount of Depreciation, Depletion and Amortization on Timber Properties that has been recognized in the income statement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccumulatedDepreciationDepletionAmortizationTimberProperties_lbl" xml:lang="en">Accumulated Depreciation, Depletion and Amortization - Timber Properties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccumulatedDepreciationDepletionAmortizationTimberProperties_lbl" xml:lang="en">Accumulated Depreciation, Depletion and Amortization - Timber Properties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccumulatedDepreciationDepletionAmortizationTimberProperties_lbl" xml:lang="en">Accumulated Depreciation, Depletion and Amortization - Timber Properties - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccumulatedDepreciationGasGatheringProcessingEquipment" xlink:label="exc-og_AccumulatedDepreciationGasGatheringProcessingEquipment"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccumulatedDepreciationGasGatheringProcessingEquipment" xlink:to="exc-og_AccumulatedDepreciationGasGatheringProcessingEquipment_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccumulatedDepreciationGasGatheringProcessingEquipment_lbl" xml:lang="en">The cumulative amount of depreciation on gas gathering equipment, hat has been recognized in the income statement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccumulatedDepreciationGasGatheringProcessingEquipment_lbl" xml:lang="en">Accumulated Depreciation Gas Gathering and Processing Equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccumulatedDepreciationGasGatheringProcessingEquipment_lbl" xml:lang="en">Depreciation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccumulatedDepreciationGasGatheringProcessingEquipment_lbl" xml:lang="en">Accumulated Depreciation Gas Gathering and Processing Equipment - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccumulatedDepreciationPPE" xlink:label="exc-og_AccumulatedDepreciationPPE"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccumulatedDepreciationPPE" xlink:to="exc-og_AccumulatedDepreciationPPE_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccumulatedDepreciationPPE_lbl" xml:lang="en">The cumulative amount of depreciation that has been recognized in the income statement, generally shown as a deduction from the historical cost of fixed assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccumulatedDepreciationPPE_lbl" xml:lang="en">Accumulated Depreciation PPE</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccumulatedDepreciationPPE_lbl" xml:lang="en">Accumulated Depreciation PPE</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccumulatedDepreciationPPE_lbl" xml:lang="en">Accumulated Depreciation PPE - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AccumulatedProvision" xlink:label="exc-og_AccumulatedProvision"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AccumulatedProvision" xlink:to="exc-og_AccumulatedProvision_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AccumulatedProvision_lbl" xml:lang="en">Accumulated Provision</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AccumulatedProvision_lbl" xml:lang="en">Accumulated Provision</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AccumulatedProvision_lbl" xml:lang="en">Accumulated Provision</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AccumulatedProvision_lbl" xml:lang="en">Accumulated Provision - Total</label>
    <loc xlink:type="locator" xlink:href="http://www.xbrl.org/us/fr/common/pte/2005-02-28/usfr-pte-2005-02-28.xsd#usfr-pte_AcquisitionBusinessesNetCashAcquired" xlink:label="usfr-pte_AcquisitionBusinessesNetCashAcquired"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="usfr-pte_AcquisitionBusinessesNetCashAcquired" xlink:to="usfr-pte_AcquisitionBusinessesNetCashAcquired_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="usfr-pte_AcquisitionBusinessesNetCashAcquired_lbl" xml:lang="en">The cash paid to acquire businesses during the period, net of the cash acquired from the purchased businesses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="usfr-pte_AcquisitionBusinessesNetCashAcquired_lbl" xml:lang="en">Acquisitions of business, net of cash acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="usfr-pte_AcquisitionBusinessesNetCashAcquired_lbl" xml:lang="en">Acquisitions of business, net of cash acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="usfr-pte_AcquisitionBusinessesNetCashAcquired_lbl" xml:lang="en">Acquisitions of business, net of cash acquired</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AcquisitionBusinessLineHAndH" xlink:label="exc-og_AcquisitionBusinessLineHAndH"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AcquisitionBusinessLineHAndH" xlink:to="exc-og_AcquisitionBusinessLineHAndH_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AcquisitionBusinessLineHAndH_lbl" xml:lang="en">Payments for acquistion of H and H Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AcquisitionBusinessLineHAndH_lbl" xml:lang="en">Payments for acquistion of H and H Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AcquisitionBusinessLineHAndH_lbl" xml:lang="en">Payments for acquistion of H and H Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AcquisitionBusinessLineHAndH_lbl" xml:lang="en">Payments for acquistion of H and H Assets - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AcquisitionBusinessLineMaiman" xlink:label="exc-og_AcquisitionBusinessLineMaiman"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AcquisitionBusinessLineMaiman" xlink:to="exc-og_AcquisitionBusinessLineMaiman_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AcquisitionBusinessLineMaiman_lbl" xml:lang="en">Payments for acquistion of Maiman Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AcquisitionBusinessLineMaiman_lbl" xml:lang="en">Payments for acquistion of Maiman Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AcquisitionBusinessLineMaiman_lbl" xml:lang="en">Payments for acquistion of Maiman Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AcquisitionBusinessLineMaiman_lbl" xml:lang="en">Payments for acquistion of Maiman Assets - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AcquisitionBusinessLineNAHH" xlink:label="exc-og_AcquisitionBusinessLineNAHH"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AcquisitionBusinessLineNAHH" xlink:to="exc-og_AcquisitionBusinessLineNAHH_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AcquisitionBusinessLineNAHH_lbl" xml:lang="en">Payments for acquistion of NAHH Net of cash Acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AcquisitionBusinessLineNAHH_lbl" xml:lang="en">Payments for acquistion of NAHH Net of cash Acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AcquisitionBusinessLineNAHH_lbl" xml:lang="en">Payments for acquistion of NAHH Net of cash Acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AcquisitionBusinessLineNAHH_lbl" xml:lang="en">Payments for acquistion of NAHH Net of cash Acquired - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AcquisitionBusinessLineORIS" xlink:label="exc-og_AcquisitionBusinessLineORIS"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AcquisitionBusinessLineORIS" xlink:to="exc-og_AcquisitionBusinessLineORIS_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AcquisitionBusinessLineORIS_lbl" xml:lang="en">Payments for acquistion of Oris Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AcquisitionBusinessLineORIS_lbl" xml:lang="en">Payments for acquistion of Oris Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AcquisitionBusinessLineORIS_lbl" xml:lang="en">Payments for acquistion of Oris Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AcquisitionBusinessLineORIS_lbl" xml:lang="en">Payments for acquistion of Oris Assets - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AcquisitionBusinessLinePMW" xlink:label="exc-og_AcquisitionBusinessLinePMW"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AcquisitionBusinessLinePMW" xlink:to="exc-og_AcquisitionBusinessLinePMW_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AcquisitionBusinessLinePMW_lbl" xml:lang="en">Payments for acquistion of PMW Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AcquisitionBusinessLinePMW_lbl" xml:lang="en">Payments for acquistion of PMW Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AcquisitionBusinessLinePMW_lbl" xml:lang="en">Payments for acquistion of PMW Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AcquisitionBusinessLinePMW_lbl" xml:lang="en">Payments for acquistion of PMW Assets - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AcquisitionBusinessLinePriorityPharmacy" xlink:label="exc-og_AcquisitionBusinessLinePriorityPharmacy"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AcquisitionBusinessLinePriorityPharmacy" xlink:to="exc-og_AcquisitionBusinessLinePriorityPharmacy_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AcquisitionBusinessLinePriorityPharmacy_lbl" xml:lang="en">Payments for acquistion of Priority Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AcquisitionBusinessLinePriorityPharmacy_lbl" xml:lang="en">Payments for acquistion of Priority Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AcquisitionBusinessLinePriorityPharmacy_lbl" xml:lang="en">Payments for acquistion of Priority Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AcquisitionBusinessLinePriorityPharmacy_lbl" xml:lang="en">Payments for acquistion of Priority Assets - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AcquisitionBusinessLineSPI" xlink:label="exc-og_AcquisitionBusinessLineSPI"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AcquisitionBusinessLineSPI" xlink:to="exc-og_AcquisitionBusinessLineSPI_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AcquisitionBusinessLineSPI_lbl" xml:lang="en">Payments for acquistion of SPI</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AcquisitionBusinessLineSPI_lbl" xml:lang="en">Payments for acquistion of SPI</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AcquisitionBusinessLineSPI_lbl" xml:lang="en">Payments for acquistion of SPI</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AcquisitionBusinessLineSPI_lbl" xml:lang="en">Payments for acquistion of SPI - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AcquisitionBusinessLineWhittier" xlink:label="exc-og_AcquisitionBusinessLineWhittier"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AcquisitionBusinessLineWhittier" xlink:to="exc-og_AcquisitionBusinessLineWhittier_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AcquisitionBusinessLineWhittier_lbl" xml:lang="en">Payments for acquistion of Whittier Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AcquisitionBusinessLineWhittier_lbl" xml:lang="en">Payments for acquistion of Whittier Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AcquisitionBusinessLineWhittier_lbl" xml:lang="en">Payments for acquistion of Whittier Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AcquisitionBusinessLineWhittier_lbl" xml:lang="en">Payments for acquistion of Whittier Assets - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AcquisitionBusinessNetCashAcquiredAbstract" xlink:label="exc-og_AcquisitionBusinessNetCashAcquiredAbstract"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AcquisitionBusinessNetCashAcquiredAbstract" xlink:to="exc-og_AcquisitionBusinessNetCashAcquiredAbstract_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AcquisitionBusinessNetCashAcquiredAbstract_lbl" xml:lang="en">The cash paid to acquire businesses during the period, net of the cash acquired from the purchased businesses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AcquisitionBusinessNetCashAcquiredAbstract_lbl" xml:lang="en">Acquisition of Businesses, Net of Cash Acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AcquisitionBusinessNetCashAcquiredAbstract_lbl" xml:lang="en">Acquisition of Businesses, Net of Cash Acquired</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AcquisitionBusinessNetCashAcquiredAbstract_lbl" xml:lang="en">Acquisition of Businesses, Net of Cash Acquired - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AcquisitionDivestitureBusinessActivitiesNetOther" xlink:label="exc-og_AcquisitionDivestitureBusinessActivitiesNetOther"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AcquisitionDivestitureBusinessActivitiesNetOther" xlink:to="exc-og_AcquisitionDivestitureBusinessActivitiesNetOther_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AcquisitionDivestitureBusinessActivitiesNetOther_lbl" xml:lang="en">Other Acquisition and Divestiture of Business Activities, Net not otherwise defined</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AcquisitionDivestitureBusinessActivitiesNetOther_lbl" xml:lang="en">Other Acquisition/(Divestiture) of Business Activities, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AcquisitionDivestitureBusinessActivitiesNetOther_lbl" xml:lang="en">Other Acquisition/(Divestiture) of Business Activities, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AcquisitionDivestitureBusinessActivitiesNetOther_lbl" xml:lang="en">Other Acquisition/(Divestiture) of Business Activities, Net - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AcquisitionRetrofitOffshoreSupplyVechiles" xlink:label="exc-og_AcquisitionRetrofitOffshoreSupplyVechiles"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AcquisitionRetrofitOffshoreSupplyVechiles" xlink:to="exc-og_AcquisitionRetrofitOffshoreSupplyVechiles_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AcquisitionRetrofitOffshoreSupplyVechiles_lbl" xml:lang="en">Acquisition and Retrofit of Offshore Supply Vechiles</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AcquisitionRetrofitOffshoreSupplyVechiles_lbl" xml:lang="en">Acquisition and Retrofit of Offshore Supply Vechiles</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AcquisitionRetrofitOffshoreSupplyVechiles_lbl" xml:lang="en">Acquisition and Retrofit of Offshore Supply Vechiles</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AcquisitionRetrofitOffshoreSupplyVechiles_lbl" xml:lang="en">Acquisition and Retrofit of Offshore Supply Vechiles - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AcquisitionRetrofitOtherVechiles" xlink:label="exc-og_AcquisitionRetrofitOtherVechiles"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AcquisitionRetrofitOtherVechiles" xlink:to="exc-og_AcquisitionRetrofitOtherVechiles_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AcquisitionRetrofitOtherVechiles_lbl" xml:lang="en">Acquisition and Retrofit of Other Vechiles</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AcquisitionRetrofitOtherVechiles_lbl" xml:lang="en">Acquisition and Retrofit of Other Vechiles</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AcquisitionRetrofitOtherVechiles_lbl" xml:lang="en">Acquisition and Retrofit of Other Vechiles</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AcquisitionRetrofitOtherVechiles_lbl" xml:lang="en">Acquisition and Retrofit of Other Vechiles - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AcquisitionRetrofitTugsTankBarges" xlink:label="exc-og_AcquisitionRetrofitTugsTankBarges"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AcquisitionRetrofitTugsTankBarges" xlink:to="exc-og_AcquisitionRetrofitTugsTankBarges_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AcquisitionRetrofitTugsTankBarges_lbl" xml:lang="en">Acquisition and Retrofit of Tugs Tank Barges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AcquisitionRetrofitTugsTankBarges_lbl" xml:lang="en">Acquisition and Retrofit of Tugs Tank Barges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AcquisitionRetrofitTugsTankBarges_lbl" xml:lang="en">Acquisition and Retrofit of Tugs Tank Barges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AcquisitionRetrofitTugsTankBarges_lbl" xml:lang="en">Acquisition and Retrofit of Tugs Tank Barges - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdditionalPaidCapitalBeginningBalance" xlink:label="exc-og_AdditionalPaidCapitalBeginningBalance"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdditionalPaidCapitalBeginningBalance" xlink:to="exc-og_AdditionalPaidCapitalBeginningBalance_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdditionalPaidCapitalBeginningBalance_lbl" xml:lang="en">Additional Paid in Capital - Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdditionalPaidCapitalBeginningBalance_lbl" xml:lang="en">Additional Paid in Capital - Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdditionalPaidCapitalBeginningBalance_lbl" xml:lang="en">Additional Paid in Capital - Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdditionalPaidCapitalBeginningBalance_lbl" xml:lang="en">Additional Paid in Capital - Beginning Balance - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdditionalPaidCapitalEndingBalance" xlink:label="exc-og_AdditionalPaidCapitalEndingBalance"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdditionalPaidCapitalEndingBalance" xlink:to="exc-og_AdditionalPaidCapitalEndingBalance_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdditionalPaidCapitalEndingBalance_lbl" xml:lang="en">Amounts received at issuance in excess of the par or stated value of capital stock and amounts received from other transactions involving the entity's stock or stockholders.  Represents both common and preferred stock.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdditionalPaidCapitalEndingBalance_lbl" xml:lang="en">Additional Paid in Capital - Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdditionalPaidCapitalEndingBalance_lbl" xml:lang="en">Additional Paid in Capital - Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdditionalPaidCapitalEndingBalance_lbl" xml:lang="en">Additional Paid in Capital - Ending Balance - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentAccretion" xlink:label="exc-og_AdjustmentAccretion"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentAccretion" xlink:to="exc-og_AdjustmentAccretion_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentAccretion_lbl" xml:lang="en">Asset growth, by internal expansion or acquisition shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentAccretion_lbl" xml:lang="en">Adjustment Accretion</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentAccretion_lbl" xml:lang="en">Adjustment Accretion</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentAccretion_lbl" xml:lang="en">Adjustment Accretion - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentAcquisitionOther" xlink:label="exc-og_AdjustmentAcquisitionOther"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentAcquisitionOther" xlink:to="exc-og_AdjustmentAcquisitionOther_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentAcquisitionOther_lbl" xml:lang="en">Adjustment other acquisition not otherwise defined; shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentAcquisitionOther_lbl" xml:lang="en">Adjustment acquisition other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentAcquisitionOther_lbl" xml:lang="en">Adjustment acquisition other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentAcquisitionOther_lbl" xml:lang="en">Adjustment acquisition other - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentAdoptionFAS158" xlink:label="exc-og_AdjustmentAdoptionFAS158"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentAdoptionFAS158" xlink:to="exc-og_AdjustmentAdoptionFAS158_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentAdoptionFAS158_lbl" xml:lang="en">Adoption of SFAS No. 158 which requires employers to report a postretirement benefit asset for plans that are overfunded and a postretirement benefit liability for plans that are underfunded.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentAdoptionFAS158_lbl" xml:lang="en">Adjustment to initially apply SFAS No. 158, net of income taxes of $804</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentAdoptionFAS158_lbl" xml:lang="en">Adjustment to initially apply SFAS No. 158, net of income taxes of $804</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentAdoptionFAS158_lbl" xml:lang="en">Adoption of SFAS No. 158 - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentAllowanceFundsUsedDuringConstruction" xlink:label="exc-og_AdjustmentAllowanceFundsUsedDuringConstruction"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentAllowanceFundsUsedDuringConstruction" xlink:to="exc-og_AdjustmentAllowanceFundsUsedDuringConstruction_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentAllowanceFundsUsedDuringConstruction_lbl" xml:lang="en">Adjustment Allowance for  Funds Used During Construction</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentAllowanceFundsUsedDuringConstruction_lbl" xml:lang="en">Adjustment Allowance for  Funds Used During Construction</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentAllowanceFundsUsedDuringConstruction_lbl" xml:lang="en">Adjustment Allowance for  Funds Used During Construction</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentAllowanceFundsUsedDuringConstruction_lbl" xml:lang="en">Adjustment Allowance for  Funds Used During Construction - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentAmortization" xlink:label="exc-og_AdjustmentAmortization"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentAmortization" xlink:to="exc-og_AdjustmentAmortization_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentAmortization_lbl" xml:lang="en">The amount of expense charged against earnings by a company to write off the cost of an intangible possession.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentAmortization_lbl" xml:lang="en">Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentAmortization_lbl" xml:lang="en">Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentAmortization_lbl" xml:lang="en">Amortization - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentAmortizationAcquisitionCosts" xlink:label="exc-og_AdjustmentAmortizationAcquisitionCosts"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentAmortizationAcquisitionCosts" xlink:to="exc-og_AdjustmentAmortizationAcquisitionCosts_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentAmortizationAcquisitionCosts_lbl" xml:lang="en">The adjustment amount of expense charged against earnings by a company to write off acquisition costs. Shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentAmortizationAcquisitionCosts_lbl" xml:lang="en">Adjustment Amortization - Acquisition Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentAmortizationAcquisitionCosts_lbl" xml:lang="en">Adjustment Amortization - Acquisition Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentAmortizationAcquisitionCosts_lbl" xml:lang="en">Adjustment Amortization - Acquisition Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentAmortizationAdvanceRoyalty" xlink:label="exc-og_AdjustmentAmortizationAdvanceRoyalty"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentAmortizationAdvanceRoyalty" xlink:to="exc-og_AdjustmentAmortizationAdvanceRoyalty_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentAmortizationAdvanceRoyalty_lbl" xml:lang="en">Adjustment - Amortization of Advance Royalty</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentAmortizationAdvanceRoyalty_lbl" xml:lang="en">Adjustment - Amortization of Advance Royalty</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentAmortizationAdvanceRoyalty_lbl" xml:lang="en">Adjustment - Amortization of Advance Royalty</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentAmortizationAdvanceRoyalty_lbl" xml:lang="en">Adjustment - Amortization of Advance Royalty - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentAmortizationBondDiscount" xlink:label="exc-og_AdjustmentAmortizationBondDiscount"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentAmortizationBondDiscount" xlink:to="exc-og_AdjustmentAmortizationBondDiscount_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentAmortizationBondDiscount_lbl" xml:lang="en">The amount of expense charged against earnings by a company to write down the difference between the purchase price and face value of a bond when the face value exceeds the purchase price.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentAmortizationBondDiscount_lbl" xml:lang="en">Adjustment - Amortization of Bond Discount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentAmortizationBondDiscount_lbl" xml:lang="en">Adjustment - Amortization of Bond Discount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentAmortizationBondDiscount_lbl" xml:lang="en">Adjustment - Amortization of Bond Discount - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentAmortizationDebtDiscount" xlink:label="exc-og_AdjustmentAmortizationDebtDiscount"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentAmortizationDebtDiscount" xlink:to="exc-og_AdjustmentAmortizationDebtDiscount_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentAmortizationDebtDiscount_lbl" xml:lang="en">The adjustment amortization of debt discount which is the amount by which the price for a security is less than its par or face value. The discount or difference between such a reduced value purchase price and the redemption  - par value comprises all or part of the investors compensation for owning the security. Debt discount is deferred and amortized using the effective interest method the life of the related senior notes payable.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentAmortizationDebtDiscount_lbl" xml:lang="en">Adjustment Amortization - Debt Discount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentAmortizationDebtDiscount_lbl" xml:lang="en">Adjustment Amortization - Debt Discount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentAmortizationDebtDiscount_lbl" xml:lang="en">Adjustment Amortization - Debt Discount - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentAmortizationDebtDiscountDebtIssuance" xlink:label="exc-og_AdjustmentAmortizationDebtDiscountDebtIssuance"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentAmortizationDebtDiscountDebtIssuance" xlink:to="exc-og_AdjustmentAmortizationDebtDiscountDebtIssuance_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentAmortizationDebtDiscountDebtIssuance_lbl" xml:lang="en">The adjustment amortization of debt discount and debt issuance.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentAmortizationDebtDiscountDebtIssuance_lbl" xml:lang="en">Adjustment Amortization - Debt Discount and Debt Issuance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentAmortizationDebtDiscountDebtIssuance_lbl" xml:lang="en">Adjustment Amortization - Debt Discount and Debt Issuance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentAmortizationDebtDiscountDebtIssuance_lbl" xml:lang="en">Adjustment Amortization - Debt Discount and Debt Issuance - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentAmortizationDebtIssuanceCosts" xlink:label="exc-og_AdjustmentAmortizationDebtIssuanceCosts"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentAmortizationDebtIssuanceCosts" xlink:to="exc-og_AdjustmentAmortizationDebtIssuanceCosts_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentAmortizationDebtIssuanceCosts_lbl" xml:lang="en">Amortization of Debt Issuance Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentAmortizationDebtIssuanceCosts_lbl" xml:lang="en">Amortization of Debt Issuance Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentAmortizationDebtIssuanceCosts_lbl" xml:lang="en">Amortization of Debt Issuance Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentAmortizationDebtIssuanceCosts_lbl" xml:lang="en">Amortization of Debt Issuance Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentAmortizationDeferredCharges" xlink:label="exc-og_AdjustmentAmortizationDeferredCharges"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentAmortizationDeferredCharges" xlink:to="exc-og_AdjustmentAmortizationDeferredCharges_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentAmortizationDeferredCharges_lbl" xml:lang="en">The amount of expense charged against earnings by a company to write down deferred charges.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentAmortizationDeferredCharges_lbl" xml:lang="en">Adjustment - Amortization of Deferred Charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentAmortizationDeferredCharges_lbl" xml:lang="en">Adjustment - Amortization of Deferred Charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentAmortizationDeferredCharges_lbl" xml:lang="en">Adjustment - Amortization of Deferred Charges - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentAmortizationDeferredCompensation" xlink:label="exc-og_AdjustmentAmortizationDeferredCompensation"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentAmortizationDeferredCompensation" xlink:to="exc-og_AdjustmentAmortizationDeferredCompensation_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentAmortizationDeferredCompensation_lbl" xml:lang="en">Amortization expense from amortization of deferred compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentAmortizationDeferredCompensation_lbl" xml:lang="en">Amortization - Deferred Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentAmortizationDeferredCompensation_lbl" xml:lang="en">Amortization of Deferred Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentAmortizationDeferredCompensation_lbl" xml:lang="en">Amortization - Deferred Compensation - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentAmortizationDeferredCompensationEquity" xlink:label="exc-og_AdjustmentAmortizationDeferredCompensationEquity"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentAmortizationDeferredCompensationEquity" xlink:to="exc-og_AdjustmentAmortizationDeferredCompensationEquity_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentAmortizationDeferredCompensationEquity_lbl" xml:lang="en">The amount of expense charged against earnings by a company to write down deferred equity compensation.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentAmortizationDeferredCompensationEquity_lbl" xml:lang="en">Adjustment - Amortization of Deferred Equity Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentAmortizationDeferredCompensationEquity_lbl" xml:lang="en">Amortization of Deferred Equity Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentAmortizationDeferredCompensationEquity_lbl" xml:lang="en">Adjustment - Amortization of Deferred Equity Compensation - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentAmortizationDeferredHedgeGain" xlink:label="exc-og_AdjustmentAmortizationDeferredHedgeGain"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentAmortizationDeferredHedgeGain" xlink:to="exc-og_AdjustmentAmortizationDeferredHedgeGain_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentAmortizationDeferredHedgeGain_lbl" xml:lang="en">The amount of expense charged against earnings by a company to write down deferred gains on hedge instruments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentAmortizationDeferredHedgeGain_lbl" xml:lang="en">Adjustment - Amortization of Deferred Hedge Gains</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentAmortizationDeferredHedgeGain_lbl" xml:lang="en">Adjustment - Amortization of Deferred Hedge Gains</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentAmortizationDeferredHedgeGain_lbl" xml:lang="en">Adjustment - Amortization of Deferred Hedge Gains - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentAmortizationDeferredPropertyTax" xlink:label="exc-og_AdjustmentAmortizationDeferredPropertyTax"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentAmortizationDeferredPropertyTax" xlink:to="exc-og_AdjustmentAmortizationDeferredPropertyTax_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentAmortizationDeferredPropertyTax_lbl" xml:lang="en">Adjustment - Amortization of Deferred Property Taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentAmortizationDeferredPropertyTax_lbl" xml:lang="en">Adjustment - Amortization of Deferred Property Taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentAmortizationDeferredPropertyTax_lbl" xml:lang="en">Adjustment - Amortization of Deferred Property Taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentAmortizationDeferredPropertyTax_lbl" xml:lang="en">Adjustment - Amortization of Deferred Property Taxes - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentAmortizationDeferredRevenue" xlink:label="exc-og_AdjustmentAmortizationDeferredRevenue"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentAmortizationDeferredRevenue" xlink:to="exc-og_AdjustmentAmortizationDeferredRevenue_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentAmortizationDeferredRevenue_lbl" xml:lang="en">Amortization expense from amortization of deferred revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentAmortizationDeferredRevenue_lbl" xml:lang="en">Amortization - Deferred Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentAmortizationDeferredRevenue_lbl" xml:lang="en">Amortization of Deferred Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentAmortizationDeferredRevenue_lbl" xml:lang="en">Amortization - Deferred Revenue - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentAmortizationFinancingCosts" xlink:label="exc-og_AdjustmentAmortizationFinancingCosts"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentAmortizationFinancingCosts" xlink:to="exc-og_AdjustmentAmortizationFinancingCosts_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentAmortizationFinancingCosts_lbl" xml:lang="en">The amount of expense charged against earnings by a company to write down deferred financing costs.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentAmortizationFinancingCosts_lbl" xml:lang="en">Adjustment - Amortization of Financing Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentAmortizationFinancingCosts_lbl" xml:lang="en">Amortization of Financing Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentAmortizationFinancingCosts_lbl" xml:lang="en">Adjustment - Amortization of Financing Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentAmortizationGoodwill" xlink:label="exc-og_AdjustmentAmortizationGoodwill"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentAmortizationGoodwill" xlink:to="exc-og_AdjustmentAmortizationGoodwill_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentAmortizationGoodwill_lbl" xml:lang="en">The adjustment Amortization Goodwill. Shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentAmortizationGoodwill_lbl" xml:lang="en">Adjustment Amortization - Goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentAmortizationGoodwill_lbl" xml:lang="en">Adjustment Amortization - Goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentAmortizationGoodwill_lbl" xml:lang="en">Adjustment Amortization - Goodwill - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentAmortizationIntangibles" xlink:label="exc-og_AdjustmentAmortizationIntangibles"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentAmortizationIntangibles" xlink:to="exc-og_AdjustmentAmortizationIntangibles_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentAmortizationIntangibles_lbl" xml:lang="en">The amount of amortization expense charged against earnings by a company to write off the cost of intangible possessions. Shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentAmortizationIntangibles_lbl" xml:lang="en">Adjustment Amortization - Intangibles (Non-Productive)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentAmortizationIntangibles_lbl" xml:lang="en">Adjustment Amortization - Intangibles (Non-Productive)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentAmortizationIntangibles_lbl" xml:lang="en">Adjustment Amortization - Intangibles (Non-Productive) - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentAmortizationLeases" xlink:label="exc-og_AdjustmentAmortizationLeases"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentAmortizationLeases" xlink:to="exc-og_AdjustmentAmortizationLeases_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentAmortizationLeases_lbl" xml:lang="en">The adjustment amount of expense charged against earnings by a company to write off lease related costs. Shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentAmortizationLeases_lbl" xml:lang="en">Adjustment Amortization - Lease</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentAmortizationLeases_lbl" xml:lang="en">Adjustment Amortization - Lease</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentAmortizationLeases_lbl" xml:lang="en">Adjustment Amortization - Lease - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentAmortizationNuclearFuel" xlink:label="exc-og_AdjustmentAmortizationNuclearFuel"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentAmortizationNuclearFuel" xlink:to="exc-og_AdjustmentAmortizationNuclearFuel_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentAmortizationNuclearFuel_lbl" xml:lang="en">The amount of expense charged against earnings by a company to write down Nuclear Fuel.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentAmortizationNuclearFuel_lbl" xml:lang="en">Adjustment Amortization Nuclear Fuel</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentAmortizationNuclearFuel_lbl" xml:lang="en">Adjustment Amortization Nuclear Fuel</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentAmortizationNuclearFuel_lbl" xml:lang="en">Adjustment Amortization Nuclear Fuel - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentAmortizationPowerContractsEmissionCredits" xlink:label="exc-og_AdjustmentAmortizationPowerContractsEmissionCredits"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentAmortizationPowerContractsEmissionCredits" xlink:to="exc-og_AdjustmentAmortizationPowerContractsEmissionCredits_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentAmortizationPowerContractsEmissionCredits_lbl" xml:lang="en">The amount of expense charged against earnings by a company to write down Power Contracts and or Emission Credits.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentAmortizationPowerContractsEmissionCredits_lbl" xml:lang="en">Adjustment Amortization Power Contracts Emission Credits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentAmortizationPowerContractsEmissionCredits_lbl" xml:lang="en">Adjustment Amortization Power Contracts Emission Credits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentAmortizationPowerContractsEmissionCredits_lbl" xml:lang="en">Adjustment Amortization Power Contracts Emission Credits - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentAmortizationRateDeferral" xlink:label="exc-og_AdjustmentAmortizationRateDeferral"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentAmortizationRateDeferral" xlink:to="exc-og_AdjustmentAmortizationRateDeferral_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentAmortizationRateDeferral_lbl" xml:lang="en">Adjustment - Amortization of Rate Deferral</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentAmortizationRateDeferral_lbl" xml:lang="en">Adjustment - Amortization of Rate Deferral</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentAmortizationRateDeferral_lbl" xml:lang="en">Adjustment - Amortization of Rate Deferral</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentAmortizationRateDeferral_lbl" xml:lang="en">Adjustment - Amortization of Rate Deferral - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentAmortizationRegulatoryAssets" xlink:label="exc-og_AdjustmentAmortizationRegulatoryAssets"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentAmortizationRegulatoryAssets" xlink:to="exc-og_AdjustmentAmortizationRegulatoryAssets_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentAmortizationRegulatoryAssets_lbl" xml:lang="en">The amount of expense charged against earnings by a company to write down Regulatory Asset.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentAmortizationRegulatoryAssets_lbl" xml:lang="en">Adjustment Amortization Regulatory Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentAmortizationRegulatoryAssets_lbl" xml:lang="en">Adjustment Amortization Nuclear Fuel</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentAmortizationRegulatoryAssets_lbl" xml:lang="en">Adjustment Amortization Regulatory Assets - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentAssetImpairmentCharge" xlink:label="exc-og_AdjustmentAssetImpairmentCharge"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentAssetImpairmentCharge" xlink:to="exc-og_AdjustmentAssetImpairmentCharge_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentAssetImpairmentCharge_lbl" xml:lang="en">An impairment loss measured as the amount by which the carrying amount of the asset exceeds the fair value of the asset.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentAssetImpairmentCharge_lbl" xml:lang="en">Impairment charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentAssetImpairmentCharge_lbl" xml:lang="en">Impairment charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentAssetImpairmentCharge_lbl" xml:lang="en">Impairment charges</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentCarryingCosts" xlink:label="exc-og_AdjustmentCarryingCosts"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentCarryingCosts" xlink:to="exc-og_AdjustmentCarryingCosts_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentCarryingCosts_lbl" xml:lang="en">Adjustment to carrying costs are costs incurred in order to retain exploration and property rights after acquisition but before production has occurred. Such costs include legal costs for title defense, ad valorem taxes on non-producing mineral properties.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentCarryingCosts_lbl" xml:lang="en">Adjustment to Carrying Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentCarryingCosts_lbl" xml:lang="en">Adjustment to Carrying Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentCarryingCosts_lbl" xml:lang="en">Adjustment to Carrying Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentCoalInventory" xlink:label="exc-og_AdjustmentCoalInventory"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentCoalInventory" xlink:to="exc-og_AdjustmentCoalInventory_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentCoalInventory_lbl" xml:lang="en">Adjusted coal inventory not to be included in the operating assets and liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentCoalInventory_lbl" xml:lang="en">Adjustment Coal Inventory</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentCoalInventory_lbl" xml:lang="en">Adjustment Coal Inventory</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentCoalInventory_lbl" xml:lang="en">Adjustment Coal Inventory - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentCommodityContracts" xlink:label="exc-og_AdjustmentCommodityContracts"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentCommodityContracts" xlink:to="exc-og_AdjustmentCommodityContracts_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentCommodityContracts_lbl" xml:lang="en">Adjustment On Commodity Contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentCommodityContracts_lbl" xml:lang="en">Adjustment On Commodity Contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentCommodityContracts_lbl" xml:lang="en">Adjustment On Commodity Contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentCommodityContracts_lbl" xml:lang="en">Adjustment On Commodity Contracts - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentCostGoodsSoldDepreciation" xlink:label="exc-og_AdjustmentCostGoodsSoldDepreciation"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentCostGoodsSoldDepreciation" xlink:to="exc-og_AdjustmentCostGoodsSoldDepreciation_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentCostGoodsSoldDepreciation_lbl" xml:lang="en">Adjustment to part of depreciation related directly to the production of products. Shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentCostGoodsSoldDepreciation_lbl" xml:lang="en">Adjustment Cost of Goods Sold - Depreciation and Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentCostGoodsSoldDepreciation_lbl" xml:lang="en">Adjustment Depreciation and Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentCostGoodsSoldDepreciation_lbl" xml:lang="en">Adjustment Cost of Goods Sold - Depreciation and Amortization - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentCostServicesDepreciation" xlink:label="exc-og_AdjustmentCostServicesDepreciation"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentCostServicesDepreciation" xlink:to="exc-og_AdjustmentCostServicesDepreciation_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentCostServicesDepreciation_lbl" xml:lang="en">Adjustment to part of depreciation related directly to the delivery of services. Shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentCostServicesDepreciation_lbl" xml:lang="en">Adjustment Cost of Services - Depreciation and Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentCostServicesDepreciation_lbl" xml:lang="en">Adjustment Depreciation and Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentCostServicesDepreciation_lbl" xml:lang="en">Adjustment Cost of Services - Depreciation and Amortization - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentCumulativeEffectChangeAccountingPrinciple" xlink:label="exc-og_AdjustmentCumulativeEffectChangeAccountingPrinciple"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentCumulativeEffectChangeAccountingPrinciple" xlink:to="exc-og_AdjustmentCumulativeEffectChangeAccountingPrinciple_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentCumulativeEffectChangeAccountingPrinciple_lbl" xml:lang="en">Effect, net of tax, of switching from one accounting principle to another.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentCumulativeEffectChangeAccountingPrinciple_lbl" xml:lang="en">Cumulative effect of a change in accounting principle (net of income taxes)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentCumulativeEffectChangeAccountingPrinciple_lbl" xml:lang="en">Cumulative effect of a change in accounting principle (net of income taxes)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentCumulativeEffectChangeAccountingPrinciple_lbl" xml:lang="en">Cumulative effect of a change in accounting principle (net of income taxes)</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentDeferralGasCostChange" xlink:label="exc-og_AdjustmentDeferralGasCostChange"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentDeferralGasCostChange" xlink:to="exc-og_AdjustmentDeferralGasCostChange_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentDeferralGasCostChange_lbl" xml:lang="en">Adjustment of deferred costs that are attributable to changes in the cost of natural gas</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentDeferralGasCostChange_lbl" xml:lang="en">Adjustment for Deferral of Gas Cost Change</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentDeferralGasCostChange_lbl" xml:lang="en">Deferral of Gas Cost Change</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentDeferralGasCostChange_lbl" xml:lang="en">Adjustment for Deferral of Gas Cost Change - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentDeferredFuelCostClause" xlink:label="exc-og_AdjustmentDeferredFuelCostClause"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentDeferredFuelCostClause" xlink:to="exc-og_AdjustmentDeferredFuelCostClause_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentDeferredFuelCostClause_lbl" xml:lang="en">Fuel cost adjustment clause, fuel clause - A generating utilitys rates are set to recover various costs, including the cost of fuel. Fuel costs can change markedly from month to month. The regular rates contain a certain amount for basic fuel expenses. The fuel cost adjustment clause allows the utility to charge only for the actual cost of fuel above or below the basic fuel cost stated in the rate.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentDeferredFuelCostClause_lbl" xml:lang="en">Adjustment to Deferred Fuel Cost Clause</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentDeferredFuelCostClause_lbl" xml:lang="en">Adjustment to Deferred Fuel Cost Clause</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentDeferredFuelCostClause_lbl" xml:lang="en">Adjustment to Deferred Fuel Cost Clause - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentDeferredIncomeTaxes" xlink:label="exc-og_AdjustmentDeferredIncomeTaxes"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentDeferredIncomeTaxes" xlink:to="exc-og_AdjustmentDeferredIncomeTaxes_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentDeferredIncomeTaxes_lbl" xml:lang="en">Adjusted deferred income taxes not to be included in the operating assets and liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentDeferredIncomeTaxes_lbl" xml:lang="en">Deferred Income Taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentDeferredIncomeTaxes_lbl" xml:lang="en">Deferred Income Taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentDeferredIncomeTaxes_lbl" xml:lang="en">Deferred Income Taxes - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentDeferredIncomeTaxesDeferredInvestmenTaxCredit" xlink:label="exc-og_AdjustmentDeferredIncomeTaxesDeferredInvestmenTaxCredit"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentDeferredIncomeTaxesDeferredInvestmenTaxCredit" xlink:to="exc-og_AdjustmentDeferredIncomeTaxesDeferredInvestmenTaxCredit_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentDeferredIncomeTaxesDeferredInvestmenTaxCredit_lbl" xml:lang="en">Deferred income tax expense and amortization of the investment tax credits.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentDeferredIncomeTaxesDeferredInvestmenTaxCredit_lbl" xml:lang="en">Deferred income taxes and amortization of investment tax credits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentDeferredIncomeTaxesDeferredInvestmenTaxCredit_lbl" xml:lang="en">Deferred income taxes and amortization of investment tax credits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentDeferredIncomeTaxesDeferredInvestmenTaxCredit_lbl" xml:lang="en">Deferred income taxes and amortization of investment tax credits</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentDeferredInvestmentTaxCredit" xlink:label="exc-og_AdjustmentDeferredInvestmentTaxCredit"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentDeferredInvestmentTaxCredit" xlink:to="exc-og_AdjustmentDeferredInvestmentTaxCredit_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentDeferredInvestmentTaxCredit_lbl" xml:lang="en">Adjusted deferred investment tax credit not to be included in the operating assets and liabilities: shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentDeferredInvestmentTaxCredit_lbl" xml:lang="en">Adjustment Deferred Investment Credit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentDeferredInvestmentTaxCredit_lbl" xml:lang="en">Adjustment Deferred Investment Credit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentDeferredInvestmentTaxCredit_lbl" xml:lang="en">Adjustment Deferred Investment Credit - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentDeferredPurchasePower" xlink:label="exc-og_AdjustmentDeferredPurchasePower"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentDeferredPurchasePower" xlink:to="exc-og_AdjustmentDeferredPurchasePower_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentDeferredPurchasePower_lbl" xml:lang="en">Adjustments to deferred purchased power shall be classified as cash flow operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentDeferredPurchasePower_lbl" xml:lang="en">Adjustments to Deferred Purchased Power</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentDeferredPurchasePower_lbl" xml:lang="en">Adjustments to Deferred Purchased Power</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentDeferredPurchasePower_lbl" xml:lang="en">Adjustments to Deferred Purchased Power - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentDeferredRevenue" xlink:label="exc-og_AdjustmentDeferredRevenue"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentDeferredRevenue" xlink:to="exc-og_AdjustmentDeferredRevenue_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentDeferredRevenue_lbl" xml:lang="en">Adjusted deferred revenue not to be included in the operating assets and liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentDeferredRevenue_lbl" xml:lang="en">Adjustment Deferred Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentDeferredRevenue_lbl" xml:lang="en">Deferred Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentDeferredRevenue_lbl" xml:lang="en">Adjustment Deferred Revenue - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentDepletion" xlink:label="exc-og_AdjustmentDepletion"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentDepletion" xlink:to="exc-og_AdjustmentDepletion_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentDepletion_lbl" xml:lang="en">The expense charged against depletion of oil and gas reserves.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentDepletion_lbl" xml:lang="en">Adjustment for Depletion of Oil and Gas Properties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentDepletion_lbl" xml:lang="en">Depletion of Oil and Gas Properties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentDepletion_lbl" xml:lang="en">Adjustment for Depletion of Oil and Gas Properties - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentDepreciation" xlink:label="exc-og_AdjustmentDepreciation"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentDepreciation" xlink:to="exc-og_AdjustmentDepreciation_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentDepreciation_lbl" xml:lang="en">The amount of expense charged against earnings by a company to write off the cost of non-production fixed assets over their useful lives, giving consideration to wear and tear, obsolescence, and salvage value.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentDepreciation_lbl" xml:lang="en">Depreciation (Non-Production)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentDepreciation_lbl" xml:lang="en">Depreciation (Non-Production)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentDepreciation_lbl" xml:lang="en">Depreciation (Non-Production) - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentDepreciationAmortization" xlink:label="exc-og_AdjustmentDepreciationAmortization"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentDepreciationAmortization" xlink:to="exc-og_AdjustmentDepreciationAmortization_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentDepreciationAmortization_lbl" xml:lang="en">The amount of expense charged against earnings by a company to write off the cost of non-production fixed assets over their useful lives, giving consideration to wear and tear, obsolescence, and salvage value and/or the amount of expense charged against earnings by a company to write off the cost of an intangible possession (a non-current asset).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentDepreciationAmortization_lbl" xml:lang="en">Depreciation, amortization and accretion, including nuclear fuel</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentDepreciationAmortization_lbl" xml:lang="en">Depreciation, amortization and accretion, including nuclear fuel</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentDepreciationAmortization_lbl" xml:lang="en">Depreciation, amortization and accretion, including nuclear fuel</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentDepreciationAmortizationAbstract" xlink:label="exc-og_AdjustmentDepreciationAmortizationAbstract"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentDepreciationAmortizationAbstract" xlink:to="exc-og_AdjustmentDepreciationAmortizationAbstract_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentDepreciationAmortizationAbstract_lbl" xml:lang="en">The amount of expense charged against earnings by a company to write off the cost of non-production fixed assets over their useful lives, giving consideration to wear and tear, obsolescence, and salvage value and/or the amount of expense charged against earnings by a company to write off the cost of an intangible possession (a non-current asset).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentDepreciationAmortizationAbstract_lbl" xml:lang="en">Depreciation and Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentDepreciationAmortizationAbstract_lbl" xml:lang="en">Depreciation and Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentDepreciationAmortizationAbstract_lbl" xml:lang="en">Depreciation and Amortization - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentDepreciationDepletion" xlink:label="exc-og_AdjustmentDepreciationDepletion"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentDepreciationDepletion" xlink:to="exc-og_AdjustmentDepreciationDepletion_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentDepreciationDepletion_lbl" xml:lang="en">The expense charged against depletion of oil and gas reserves and depreciation of other assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentDepreciationDepletion_lbl" xml:lang="en">Adjustment for Depreciation and Depletion</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentDepreciationDepletion_lbl" xml:lang="en">Depreciation and Depletion</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentDepreciationDepletion_lbl" xml:lang="en">Adjustment for Depreciation and Depletion - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentDepreciationDepletionAccretion" xlink:label="exc-og_AdjustmentDepreciationDepletionAccretion"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentDepreciationDepletionAccretion" xlink:to="exc-og_AdjustmentDepreciationDepletionAccretion_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentDepreciationDepletionAccretion_lbl" xml:lang="en">The expense charged against depletion of oil and gas reserves, depreciation of other assets, and accretion of impairments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentDepreciationDepletionAccretion_lbl" xml:lang="en">Adjustment for Depreciation, Depletion and Accretion</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentDepreciationDepletionAccretion_lbl" xml:lang="en">Depreciation, Depletion and Accretion</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentDepreciationDepletionAccretion_lbl" xml:lang="en">Adjustment for Depreciation, Depletion and Accretion - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentDepreciationDepletionAmortization" xlink:label="exc-og_AdjustmentDepreciationDepletionAmortization"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentDepreciationDepletionAmortization" xlink:to="exc-og_AdjustmentDepreciationDepletionAmortization_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentDepreciationDepletionAmortization_lbl" xml:lang="en">The expense charged against depletion of oil and gas reserves, depreciation of other assets, and amortization of charges.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentDepreciationDepletionAmortization_lbl" xml:lang="en">Adjustment for Depreciation, Depletion and Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentDepreciationDepletionAmortization_lbl" xml:lang="en">Depreciation, Depletion and Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentDepreciationDepletionAmortization_lbl" xml:lang="en">Adjustment for Depreciation, Depletion and Amortization - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentDepreciationDepletionAmortizationAccretion" xlink:label="exc-og_AdjustmentDepreciationDepletionAmortizationAccretion"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentDepreciationDepletionAmortizationAccretion" xlink:to="exc-og_AdjustmentDepreciationDepletionAmortizationAccretion_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentDepreciationDepletionAmortizationAccretion_lbl" xml:lang="en">The expense charged against depletion of oil and gas reserves, depreciation of other assets, amortization of charges and accretion of impairments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentDepreciationDepletionAmortizationAccretion_lbl" xml:lang="en">Adjustment for Depreciation, Depletion, Amortization and Accretion</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentDepreciationDepletionAmortizationAccretion_lbl" xml:lang="en">Depreciation, Depletion, Amortization and Accretion</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentDepreciationDepletionAmortizationAccretion_lbl" xml:lang="en">Adjustment for Depreciation, Depletion, Amortization and Accretion - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentDerivatives" xlink:label="exc-og_AdjustmentDerivatives"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentDerivatives" xlink:to="exc-og_AdjustmentDerivatives_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentDerivatives_lbl" xml:lang="en">Adjustment Derivatives (Options, Swaps, Futures, etc.) shall be classified as cash flow operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentDerivatives_lbl" xml:lang="en">Adjustment Derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentDerivatives_lbl" xml:lang="en">Adjustment Derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentDerivatives_lbl" xml:lang="en">Adjustment Derivatives - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentDerivativesCommodityContracts" xlink:label="exc-og_AdjustmentDerivativesCommodityContracts"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentDerivativesCommodityContracts" xlink:to="exc-og_AdjustmentDerivativesCommodityContracts_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentDerivativesCommodityContracts_lbl" xml:lang="en">Adjustment on the fair value of derivatives and commodity contracts resulting from changes in market prices from the time contracts are entered to the time of the reporting period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentDerivativesCommodityContracts_lbl" xml:lang="en">Net realized and unrealized mark-to-market transactions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentDerivativesCommodityContracts_lbl" xml:lang="en">Net realized and unrealized mark-to-market transactions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentDerivativesCommodityContracts_lbl" xml:lang="en">Net realized and unrealized mark-to-market transactions</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentDistributionsEarningsAffiliates" xlink:label="exc-og_AdjustmentDistributionsEarningsAffiliates"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentDistributionsEarningsAffiliates" xlink:to="exc-og_AdjustmentDistributionsEarningsAffiliates_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentDistributionsEarningsAffiliates_lbl" xml:lang="en">Adjustment distribution of earnings to affiliates shall be classified as cash flows from operating activities and reported on the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentDistributionsEarningsAffiliates_lbl" xml:lang="en">Adjustment Distributions Earnings Affiliates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentDistributionsEarningsAffiliates_lbl" xml:lang="en">Distributions Earnings Affiliates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentDistributionsEarningsAffiliates_lbl" xml:lang="en">Adjustment Distributions Earnings Affiliates - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentEarningsLossesEquityInvestments" xlink:label="exc-og_AdjustmentEarningsLossesEquityInvestments"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentEarningsLossesEquityInvestments" xlink:to="exc-og_AdjustmentEarningsLossesEquityInvestments_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentEarningsLossesEquityInvestments_lbl" xml:lang="en">The aggregate income earned from investments in equity securities; include dividends income and/or reporting entity's share of investee's earned income adjusted for dividends distributed during an accounting period if reporting entity has significant inflow</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentEarningsLossesEquityInvestments_lbl" xml:lang="en">Adjustment Income/(Loss) from Equity Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentEarningsLossesEquityInvestments_lbl" xml:lang="en">Adjustment Earnings (Losses) from Equity Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentEarningsLossesEquityInvestments_lbl" xml:lang="en">Adjustment Income/(Loss) from Equity Investments - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentEmployeeCompensation" xlink:label="exc-og_AdjustmentEmployeeCompensation"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentEmployeeCompensation" xlink:to="exc-og_AdjustmentEmployeeCompensation_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentEmployeeCompensation_lbl" xml:lang="en">Benefits such as salary, benefits, stocks, pension, post-retirement benefits and other payments not to include Officers Compensation shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentEmployeeCompensation_lbl" xml:lang="en">Adjustment Employee Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentEmployeeCompensation_lbl" xml:lang="en">Employee Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentEmployeeCompensation_lbl" xml:lang="en">Adjustment Employee Compensation - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentEmployeeStockOptionPlanRestrictedStockExpense" xlink:label="exc-og_AdjustmentEmployeeStockOptionPlanRestrictedStockExpense"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentEmployeeStockOptionPlanRestrictedStockExpense" xlink:to="exc-og_AdjustmentEmployeeStockOptionPlanRestrictedStockExpense_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentEmployeeStockOptionPlanRestrictedStockExpense_lbl" xml:lang="en">The expense recognized as a result of ESOP and restricted stock plans and issuance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentEmployeeStockOptionPlanRestrictedStockExpense_lbl" xml:lang="en">Adjustment Employee Stock Option Plan (ESOP) and Restricted Stock Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentEmployeeStockOptionPlanRestrictedStockExpense_lbl" xml:lang="en">Adjustments to ESOP and Restricted Stock Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentEmployeeStockOptionPlanRestrictedStockExpense_lbl" xml:lang="en">Adjustment Employee Stock Option Plan (ESOP) and Restricted Stock Expense - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentEnvironmentalRemediation" xlink:label="exc-og_AdjustmentEnvironmentalRemediation"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentEnvironmentalRemediation" xlink:to="exc-og_AdjustmentEnvironmentalRemediation_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentEnvironmentalRemediation_lbl" xml:lang="en">Adjustment Costs and recoveries related to environmental remediation. Shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentEnvironmentalRemediation_lbl" xml:lang="en">Adjustment Environmental Remediation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentEnvironmentalRemediation_lbl" xml:lang="en">Adjustment Environmental Remediation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentEnvironmentalRemediation_lbl" xml:lang="en">Adjustment Environmental Remediation - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentEquityCompensation" xlink:label="exc-og_AdjustmentEquityCompensation"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentEquityCompensation" xlink:to="exc-og_AdjustmentEquityCompensation_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentEquityCompensation_lbl" xml:lang="en">Adjusted amount of expense associated to stock-based compensation.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentEquityCompensation_lbl" xml:lang="en">Adjustment for Equity Based Compensation Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentEquityCompensation_lbl" xml:lang="en">Compensation Expense Associated with Stock Based Award</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentEquityCompensation_lbl" xml:lang="en">Adjustment for Equity Based Compensation Expense - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentEquityCompensationDirectors" xlink:label="exc-og_AdjustmentEquityCompensationDirectors"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentEquityCompensationDirectors" xlink:to="exc-og_AdjustmentEquityCompensationDirectors_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentEquityCompensationDirectors_lbl" xml:lang="en">Portion of officers compensation adjustment consisting of stock-based compensation.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentEquityCompensationDirectors_lbl" xml:lang="en">Adjustment for Equity Based Compensation of Directors</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentEquityCompensationDirectors_lbl" xml:lang="en">Common Stock Issued in Lieu of Cash for Directors Fee</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentEquityCompensationDirectors_lbl" xml:lang="en">Adjustment for Equity Based Compensation of Directors - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentExploration" xlink:label="exc-og_AdjustmentExploration"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentExploration" xlink:to="exc-og_AdjustmentExploration_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentExploration_lbl" xml:lang="en">Adjustment for Exploration</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentExploration_lbl" xml:lang="en">Adjustment for Exploration</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentExploration_lbl" xml:lang="en">Adjustment for Exploration</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentExploration_lbl" xml:lang="en">Adjustment for Exploration - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentExtraordinaryItems" xlink:label="exc-og_AdjustmentExtraordinaryItems"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentExtraordinaryItems" xlink:to="exc-og_AdjustmentExtraordinaryItems_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentExtraordinaryItems_lbl" xml:lang="en">Adjustment Extraordinary Items shall be classified as cash flow operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentExtraordinaryItems_lbl" xml:lang="en">Adjustment Extraordinary Items</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentExtraordinaryItems_lbl" xml:lang="en">Extraordinary Items</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentExtraordinaryItems_lbl" xml:lang="en">Adjustment Extraordinary Items - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentForeignCurrencyExchangeGainsLosses" xlink:label="exc-og_AdjustmentForeignCurrencyExchangeGainsLosses"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentForeignCurrencyExchangeGainsLosses" xlink:to="exc-og_AdjustmentForeignCurrencyExchangeGainsLosses_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentForeignCurrencyExchangeGainsLosses_lbl" xml:lang="en">Realized and unrealized foreign exchange gains and losses. Shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentForeignCurrencyExchangeGainsLosses_lbl" xml:lang="en">Adjustments to Foreign Currency Exchange Gains/(Losses)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentForeignCurrencyExchangeGainsLosses_lbl" xml:lang="en">Foreign Currency Exchange Gains/(Losses)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentForeignCurrencyExchangeGainsLosses_lbl" xml:lang="en">Adjustments to Foreign Currency Exchange Gains/(Losses) - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentGainLossCondemnationNetTax" xlink:label="exc-og_AdjustmentGainLossCondemnationNetTax"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentGainLossCondemnationNetTax" xlink:to="exc-og_AdjustmentGainLossCondemnationNetTax_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentGainLossCondemnationNetTax_lbl" xml:lang="en">Adjustment for Gain (Loss) on Condemnation Net of Tax when the net condemnation award is more than the adjusted basis of the condemned property, you have a gain. You can postpone reporting gain from a condemnation if you buy replacement property. If only part of your property is condemned, you can treat the cost of restoring the remaining part to its former usefulness as the cost of replacement property.  Shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentGainLossCondemnationNetTax_lbl" xml:lang="en">Adjustment for Gain (Loss) on Condemnation Net of Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentGainLossCondemnationNetTax_lbl" xml:lang="en">Adjustment for Gain (Loss) on Condemnation Net of Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentGainLossCondemnationNetTax_lbl" xml:lang="en">Adjustment for Gain (Loss) on Condemnation Net of Tax - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentGainLossExtinguishmentDebt" xlink:label="exc-og_AdjustmentGainLossExtinguishmentDebt"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentGainLossExtinguishmentDebt" xlink:to="exc-og_AdjustmentGainLossExtinguishmentDebt_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentGainLossExtinguishmentDebt_lbl" xml:lang="en">Adjustment for extinguishment of debt, an extraordinary item.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentGainLossExtinguishmentDebt_lbl" xml:lang="en">Debt Extinguishment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentGainLossExtinguishmentDebt_lbl" xml:lang="en">Debt Extinguishment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentGainLossExtinguishmentDebt_lbl" xml:lang="en">Debt Extinguishment - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentGainLossOilGasPropertyPlantEquipment" xlink:label="exc-og_AdjustmentGainLossOilGasPropertyPlantEquipment"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentGainLossOilGasPropertyPlantEquipment" xlink:to="exc-og_AdjustmentGainLossOilGasPropertyPlantEquipment_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentGainLossOilGasPropertyPlantEquipment_lbl" xml:lang="en">Adjustment Gain/(Loss) on Oil and Gas Property, Plant and Equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentGainLossOilGasPropertyPlantEquipment_lbl" xml:lang="en">Adjustment Gain/(Loss) on Oil and Gas Property, Plant and Equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentGainLossOilGasPropertyPlantEquipment_lbl" xml:lang="en">Adjustment Gain/(Loss) on Oil and Gas Property, Plant and Equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentGainLossOilGasPropertyPlantEquipment_lbl" xml:lang="en">Adjustment Gain/(Loss) on Oil and Gas Property, Plant and Equipment - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentGainLossOtherDebt" xlink:label="exc-og_AdjustmentGainLossOtherDebt"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentGainLossOtherDebt" xlink:to="exc-og_AdjustmentGainLossOtherDebt_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentGainLossOtherDebt_lbl" xml:lang="en">Adjustment Gain/(Loss) on Other Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentGainLossOtherDebt_lbl" xml:lang="en">Adjustment Gain/(Loss) on Other Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentGainLossOtherDebt_lbl" xml:lang="en">Adjustment Gain/(Loss) on Other Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentGainLossOtherDebt_lbl" xml:lang="en">Adjustment Gain/(Loss) on Other Debt - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentGainLossRetirementPropertyPlantEquipment" xlink:label="exc-og_AdjustmentGainLossRetirementPropertyPlantEquipment"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentGainLossRetirementPropertyPlantEquipment" xlink:to="exc-og_AdjustmentGainLossRetirementPropertyPlantEquipment_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentGainLossRetirementPropertyPlantEquipment_lbl" xml:lang="en">The amount of loss recognized as a result of the retirement of any property, plant and equipment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentGainLossRetirementPropertyPlantEquipment_lbl" xml:lang="en">Adjustment Gain/(Loss) on Sale/Retirement of Property, Plant and Equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentGainLossRetirementPropertyPlantEquipment_lbl" xml:lang="en">Adjustments to Gain/(Loss) on Sale of Property, Plant and Equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentGainLossRetirementPropertyPlantEquipment_lbl" xml:lang="en">Adjustment Gain/(Loss) on Sale/Retirement of Property, Plant and Equipment - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentGainLossSaleBusiness" xlink:label="exc-og_AdjustmentGainLossSaleBusiness"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentGainLossSaleBusiness" xlink:to="exc-og_AdjustmentGainLossSaleBusiness_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentGainLossSaleBusiness_lbl" xml:lang="en">The gains and losses included in earning resulting from the sale of a business segment. Shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentGainLossSaleBusiness_lbl" xml:lang="en">Adjustments to Gain/(Loss) on Sale of Business</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentGainLossSaleBusiness_lbl" xml:lang="en">Gain (Loss) on Sale of Business</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentGainLossSaleBusiness_lbl" xml:lang="en">Adjustments to Gain/(Loss) on Sale of Business - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentGainLossSettlement" xlink:label="exc-og_AdjustmentGainLossSettlement"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentGainLossSettlement" xlink:to="exc-og_AdjustmentGainLossSettlement_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentGainLossSettlement_lbl" xml:lang="en">Adjustment Gain Loss on Settlement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentGainLossSettlement_lbl" xml:lang="en">Adjustment Gain Loss on Settlement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentGainLossSettlement_lbl" xml:lang="en">Adjustment Gain Loss on Settlement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentGainLossSettlement_lbl" xml:lang="en">Adjustment Gain Loss on Settlement - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentImpairmentGoodwill" xlink:label="exc-og_AdjustmentImpairmentGoodwill"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentImpairmentGoodwill" xlink:to="exc-og_AdjustmentImpairmentGoodwill_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentImpairmentGoodwill_lbl" xml:lang="en">Write down of goodwill due to the difference between the carrying value and the fair market value.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentImpairmentGoodwill_lbl" xml:lang="en">Impairment of Goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentImpairmentGoodwill_lbl" xml:lang="en">Impairment of Goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentImpairmentGoodwill_lbl" xml:lang="en">Impairment of Goodwill - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentImpairmentLeaseHold" xlink:label="exc-og_AdjustmentImpairmentLeaseHold"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentImpairmentLeaseHold" xlink:to="exc-og_AdjustmentImpairmentLeaseHold_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentImpairmentLeaseHold_lbl" xml:lang="en">Adjustment - Impairment Leasehold</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentImpairmentLeaseHold_lbl" xml:lang="en">Adjustment - Impairment Leasehold</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentImpairmentLeaseHold_lbl" xml:lang="en">Adjustment - Impairment Leasehold</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentImpairmentLeaseHold_lbl" xml:lang="en">Adjustment - Impairment Leasehold - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentImpairmentOilGasProperties" xlink:label="exc-og_AdjustmentImpairmentOilGasProperties"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentImpairmentOilGasProperties" xlink:to="exc-og_AdjustmentImpairmentOilGasProperties_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentImpairmentOilGasProperties_lbl" xml:lang="en">Adjustment - Impairment Oil and Gas Properties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentImpairmentOilGasProperties_lbl" xml:lang="en">Adjustment - Impairment Oil and Gas Properties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentImpairmentOilGasProperties_lbl" xml:lang="en">Adjustment - Impairment Oil and Gas Properties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentImpairmentOilGasProperties_lbl" xml:lang="en">Adjustment - Impairment Oil and Gas Properties - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentImpairmentOther" xlink:label="exc-og_AdjustmentImpairmentOther"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentImpairmentOther" xlink:to="exc-og_AdjustmentImpairmentOther_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentImpairmentOther_lbl" xml:lang="en">Adjustment - Impairment Other not otherwise defined</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentImpairmentOther_lbl" xml:lang="en">Adjustment - Impairment Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentImpairmentOther_lbl" xml:lang="en">Adjustment - Impairment Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentImpairmentOther_lbl" xml:lang="en">Adjustment - Impairment Other - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentIncomeLossDiscontinuedOperationsNetTaxEffect" xlink:label="exc-og_AdjustmentIncomeLossDiscontinuedOperationsNetTaxEffect"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentIncomeLossDiscontinuedOperationsNetTaxEffect" xlink:to="exc-og_AdjustmentIncomeLossDiscontinuedOperationsNetTaxEffect_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentIncomeLossDiscontinuedOperationsNetTaxEffect_lbl" xml:lang="en">Income(Loss), net of tax, of a business segment that has been discontinued at year-end or will be discontinued shortly after year end.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentIncomeLossDiscontinuedOperationsNetTaxEffect_lbl" xml:lang="en">Income/(Loss) from Discontinued Operations, Net of Tax Effect</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentIncomeLossDiscontinuedOperationsNetTaxEffect_lbl" xml:lang="en">Income (Loss) from Discontinued Operations, Net of Tax Effect</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentIncomeLossDiscontinuedOperationsNetTaxEffect_lbl" xml:lang="en">Income/(Loss) from Discontinued Operations, Net of Tax Effect - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentInProcessResearchDevelopment" xlink:label="exc-og_AdjustmentInProcessResearchDevelopment"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentInProcessResearchDevelopment" xlink:to="exc-og_AdjustmentInProcessResearchDevelopment_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentInProcessResearchDevelopment_lbl" xml:lang="en">Adjustments to portion of purchase price allocated to technologies acquired through business combinations, which neither reached technological feasibility nor have future use ; such costs should be expensed right away. shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentInProcessResearchDevelopment_lbl" xml:lang="en">Adjustment In-Process Research and Development</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentInProcessResearchDevelopment_lbl" xml:lang="en">Adjustment in Process Research and Development</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentInProcessResearchDevelopment_lbl" xml:lang="en">Adjustment In-Process Research and Development - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentIntangibleAssets" xlink:label="exc-og_AdjustmentIntangibleAssets"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentIntangibleAssets" xlink:to="exc-og_AdjustmentIntangibleAssets_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentIntangibleAssets_lbl" xml:lang="en">Adjusted  Intangible Assets excluding Goodwill (not to include writeoffs)not to be included in the operating assets and liabilities; shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentIntangibleAssets_lbl" xml:lang="en">Adjustment Intangible Asset Excluding Goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentIntangibleAssets_lbl" xml:lang="en">Adjustment  of Intangible Asset Excluding Goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentIntangibleAssets_lbl" xml:lang="en">Adjustment Intangible Asset Excluding Goodwill - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentInterestExpenseRelatedDebtDiscountIssuanceCosts" xlink:label="exc-og_AdjustmentInterestExpenseRelatedDebtDiscountIssuanceCosts"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentInterestExpenseRelatedDebtDiscountIssuanceCosts" xlink:to="exc-og_AdjustmentInterestExpenseRelatedDebtDiscountIssuanceCosts_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentInterestExpenseRelatedDebtDiscountIssuanceCosts_lbl" xml:lang="en">Adjustment Interest Expense Related to Debt Discount and Debt Issuance Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentInterestExpenseRelatedDebtDiscountIssuanceCosts_lbl" xml:lang="en">Adjustment Interest Expense Related to Debt Discount and Debt Issuance Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentInterestExpenseRelatedDebtDiscountIssuanceCosts_lbl" xml:lang="en">Adjustment Interest Expense Related to Debt Discount and Debt Issuance Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentInterestExpenseRelatedDebtDiscountIssuanceCosts_lbl" xml:lang="en">Adjustment Interest Expense Related to Debt Discount and Debt Issuance Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentInterestIncomeEarned" xlink:label="exc-og_AdjustmentInterestIncomeEarned"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentInterestIncomeEarned" xlink:to="exc-og_AdjustmentInterestIncomeEarned_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentInterestIncomeEarned_lbl" xml:lang="en">Interest Income Earned (t-bills and notes)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentInterestIncomeEarned_lbl" xml:lang="en">Adjustments to Interest Income Earned</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentInterestIncomeEarned_lbl" xml:lang="en">Interest Income Earned</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentInterestIncomeEarned_lbl" xml:lang="en">Adjustments to Interest Income Earned - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentInventory" xlink:label="exc-og_AdjustmentInventory"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentInventory" xlink:to="exc-og_AdjustmentInventory_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentInventory_lbl" xml:lang="en">Adjusted Inventory not to be included in the operating assets and liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentInventory_lbl" xml:lang="en">Adjustment Inventory</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentInventory_lbl" xml:lang="en">Inventory</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentInventory_lbl" xml:lang="en">Adjustment Inventory - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentInvestments" xlink:label="exc-og_AdjustmentInvestments"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentInvestments" xlink:to="exc-og_AdjustmentInvestments_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentInvestments_lbl" xml:lang="en">Adjustment investments shall be classified as cash flow operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentInvestments_lbl" xml:lang="en">Adjustments to Gains/(Losses) on Sale of Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentInvestments_lbl" xml:lang="en">Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentInvestments_lbl" xml:lang="en">Adjustments to Gains/(Losses) on Sale of Investments - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentInvestmentTaxCredit" xlink:label="exc-og_AdjustmentInvestmentTaxCredit"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentInvestmentTaxCredit" xlink:to="exc-og_AdjustmentInvestmentTaxCredit_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentInvestmentTaxCredit_lbl" xml:lang="en">Adjustment Investment Tax Credit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentInvestmentTaxCredit_lbl" xml:lang="en">Adjustment Investment Tax Credit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentInvestmentTaxCredit_lbl" xml:lang="en">Adjustment Investment Tax Credit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentInvestmentTaxCredit_lbl" xml:lang="en">Adjustment Investment Tax Credit - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentIssuanceStockWarrants" xlink:label="exc-og_AdjustmentIssuanceStockWarrants"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentIssuanceStockWarrants" xlink:to="exc-og_AdjustmentIssuanceStockWarrants_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentIssuanceStockWarrants_lbl" xml:lang="en">Issuance Stock and or Warrants for services or claims</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentIssuanceStockWarrants_lbl" xml:lang="en">Adjustment Issuance Stock and or Warrants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentIssuanceStockWarrants_lbl" xml:lang="en">Adjustment Issuance Stock and or Warrants</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentIssuanceStockWarrants_lbl" xml:lang="en">Adjustment Issuance Stock and or Warrants - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentLease" xlink:label="exc-og_AdjustmentLease"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentLease" xlink:to="exc-og_AdjustmentLease_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentLease_lbl" xml:lang="en">Adjustments to Lease</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentLease_lbl" xml:lang="en">Adjustments to Lease</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentLease_lbl" xml:lang="en">Adjustments to Lease</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentLease_lbl" xml:lang="en">Adjustments to Lease - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentMajorRepairsExpenditures" xlink:label="exc-og_AdjustmentMajorRepairsExpenditures"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentMajorRepairsExpenditures" xlink:to="exc-og_AdjustmentMajorRepairsExpenditures_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentMajorRepairsExpenditures_lbl" xml:lang="en">Adjustment for Expenditure for Major Repairs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentMajorRepairsExpenditures_lbl" xml:lang="en">Adjustment for Expenditure for Major Repairs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentMajorRepairsExpenditures_lbl" xml:lang="en">Adjustment for Expenditure for Major Repairs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentMajorRepairsExpenditures_lbl" xml:lang="en">Adjustment for Expenditure for Major Repairs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentMajorRepairsReserve" xlink:label="exc-og_AdjustmentMajorRepairsReserve"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentMajorRepairsReserve" xlink:to="exc-og_AdjustmentMajorRepairsReserve_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentMajorRepairsReserve_lbl" xml:lang="en">Adjustment for Reserves for Major Repairs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentMajorRepairsReserve_lbl" xml:lang="en">Adjustment for Reserves for Major Repairs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentMajorRepairsReserve_lbl" xml:lang="en">Adjustment for Reserves for Major Repairs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentMajorRepairsReserve_lbl" xml:lang="en">Adjustment for Reserves for Major Repairs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentMergerRelatedCosts" xlink:label="exc-og_AdjustmentMergerRelatedCosts"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentMergerRelatedCosts" xlink:to="exc-og_AdjustmentMergerRelatedCosts_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentMergerRelatedCosts_lbl" xml:lang="en">Adjustment to the costs incurred by an entity during a business combination; shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentMergerRelatedCosts_lbl" xml:lang="en">Adjustment Merger Related Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentMergerRelatedCosts_lbl" xml:lang="en">Adjustment Merger Related Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentMergerRelatedCosts_lbl" xml:lang="en">Adjustment Merger Related Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentMinorityInterest" xlink:label="exc-og_AdjustmentMinorityInterest"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentMinorityInterest" xlink:to="exc-og_AdjustmentMinorityInterest_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentMinorityInterest_lbl" xml:lang="en">The percentage of a subsidiary's income not owned by the consolidating entity, net of taxes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentMinorityInterest_lbl" xml:lang="en">Adjustment Minority Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentMinorityInterest_lbl" xml:lang="en">Minority Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentMinorityInterest_lbl" xml:lang="en">Adjustment Minority Interest - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentNetGainLossMortgageBackedSecurities" xlink:label="exc-og_AdjustmentNetGainLossMortgageBackedSecurities"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentNetGainLossMortgageBackedSecurities" xlink:to="exc-og_AdjustmentNetGainLossMortgageBackedSecurities_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentNetGainLossMortgageBackedSecurities_lbl" xml:lang="en">Net change in aggregate amount of Mortgage Backed Securities shall be classified as cash flow operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentNetGainLossMortgageBackedSecurities_lbl" xml:lang="en">Adjustments to  Net Gain Loss Mortgage Backed Securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentNetGainLossMortgageBackedSecurities_lbl" xml:lang="en">Net Gain Loss Mortgage Backed Securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentNetGainLossMortgageBackedSecurities_lbl" xml:lang="en">Adjustments to  Net Gain Loss Mortgage Backed Securities - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentNetGainLossMortgageLoans" xlink:label="exc-og_AdjustmentNetGainLossMortgageLoans"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentNetGainLossMortgageLoans" xlink:to="exc-og_AdjustmentNetGainLossMortgageLoans_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentNetGainLossMortgageLoans_lbl" xml:lang="en">The amount of net realized gain/loss on the sales of mortgage loans and shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentNetGainLossMortgageLoans_lbl" xml:lang="en">Adjustments to Net Gain Loss Mortgage Loans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentNetGainLossMortgageLoans_lbl" xml:lang="en">Net Gain Loss Mortgage Loans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentNetGainLossMortgageLoans_lbl" xml:lang="en">Adjustments to Net Gain Loss Mortgage Loans - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentNoncashEffectDiscontinuedOperations" xlink:label="exc-og_AdjustmentNoncashEffectDiscontinuedOperations"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentNoncashEffectDiscontinuedOperations" xlink:to="exc-og_AdjustmentNoncashEffectDiscontinuedOperations_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentNoncashEffectDiscontinuedOperations_lbl" xml:lang="en">Portion of income (loss) of a business segment that has been discontinued at year-end that has no cash effect.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentNoncashEffectDiscontinuedOperations_lbl" xml:lang="en">Adjustment for Non-Cash Effect of Discontinued Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentNoncashEffectDiscontinuedOperations_lbl" xml:lang="en">Non-Cash Effect of Discontinued Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentNoncashEffectDiscontinuedOperations_lbl" xml:lang="en">Adjustment for Non-Cash Effect of Discontinued Operations - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentNonrecurring" xlink:label="exc-og_AdjustmentNonrecurring"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentNonrecurring" xlink:to="exc-og_AdjustmentNonrecurring_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentNonrecurring_lbl" xml:lang="en">Adjustments to Nonrecurring</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentNonrecurring_lbl" xml:lang="en">Adjustments to Nonrecurring</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentNonrecurring_lbl" xml:lang="en">Adjustments to Nonrecurring</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentNonrecurring_lbl" xml:lang="en">Adjustments to Nonrecurring - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentOfficersCompensation" xlink:label="exc-og_AdjustmentOfficersCompensation"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentOfficersCompensation" xlink:to="exc-og_AdjustmentOfficersCompensation_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentOfficersCompensation_lbl" xml:lang="en">Expenditures for salaries of officers other than those which can be clearly related to production.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentOfficersCompensation_lbl" xml:lang="en">Adjustment Officers Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentOfficersCompensation_lbl" xml:lang="en">Officers Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentOfficersCompensation_lbl" xml:lang="en">Adjustment Officers Compensation - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentOilGasPropertyImpairmentAbandonment" xlink:label="exc-og_AdjustmentOilGasPropertyImpairmentAbandonment"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentOilGasPropertyImpairmentAbandonment" xlink:to="exc-og_AdjustmentOilGasPropertyImpairmentAbandonment_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentOilGasPropertyImpairmentAbandonment_lbl" xml:lang="en">Adjustment related to impairment and abandonment expenses recorded in the current period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentOilGasPropertyImpairmentAbandonment_lbl" xml:lang="en">Adjustment - Dry Hole, Impairment and Abandonment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentOilGasPropertyImpairmentAbandonment_lbl" xml:lang="en">Dry Hole, Impairment and Abandonment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentOilGasPropertyImpairmentAbandonment_lbl" xml:lang="en">Adjustment - Dry Hole, Impairment and Abandonment - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentOtherDeferredCharges" xlink:label="exc-og_AdjustmentOtherDeferredCharges"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentOtherDeferredCharges" xlink:to="exc-og_AdjustmentOtherDeferredCharges_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentOtherDeferredCharges_lbl" xml:lang="en">Adjustments to other deferred charges; shall be classified as cash flow operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentOtherDeferredCharges_lbl" xml:lang="en">Adjustments to Other Deferred Charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentOtherDeferredCharges_lbl" xml:lang="en">Adjustments to Other Deferred Charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentOtherDeferredCharges_lbl" xml:lang="en">Adjustments to Other Deferred Charges - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentOtherDeferredCredits" xlink:label="exc-og_AdjustmentOtherDeferredCredits"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentOtherDeferredCredits" xlink:to="exc-og_AdjustmentOtherDeferredCredits_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentOtherDeferredCredits_lbl" xml:lang="en">Adjustments to other deferred credits, not including unearned income on installment loans, unamortized discounts on purchased loans and other such items that should be deducted from total loans; shall be classified as cash flow operating activities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentOtherDeferredCredits_lbl" xml:lang="en">Adjustments to Other Deferred Credits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentOtherDeferredCredits_lbl" xml:lang="en">Adjustments to Other Deferred Credits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentOtherDeferredCredits_lbl" xml:lang="en">Adjustments to Other Deferred Credits - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentOtherPostretirementBenefitContributionPensionPlan" xlink:label="exc-og_AdjustmentOtherPostretirementBenefitContributionPensionPlan"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentOtherPostretirementBenefitContributionPensionPlan" xlink:to="exc-og_AdjustmentOtherPostretirementBenefitContributionPensionPlan_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentOtherPostretirementBenefitContributionPensionPlan_lbl" xml:lang="en">Adjustment to Postretirement Plans - Contributions Paid to Plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentOtherPostretirementBenefitContributionPensionPlan_lbl" xml:lang="en">Adjustment to Postretirement Plans - Contributions Paid to Plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentOtherPostretirementBenefitContributionPensionPlan_lbl" xml:lang="en">Adjustment to Postretirement Plans - Contributions Paid to Plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentOtherPostretirementBenefitContributionPensionPlan_lbl" xml:lang="en">Adjustment to Postretirement Plans - Contributions Paid to Plan - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentOverUnderEnergyRecovery" xlink:label="exc-og_AdjustmentOverUnderEnergyRecovery"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentOverUnderEnergyRecovery" xlink:to="exc-og_AdjustmentOverUnderEnergyRecovery_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentOverUnderEnergyRecovery_lbl" xml:lang="en">Adjustment to the over under-recovery (not part of asset or liability changes) means that the basic energy price based on the daily product price and exchange rate is less (over) or more (under)  than the basic energy price used in the calculation of the monthly retail energy product An over-recovery therefore implies that the retail energy product price can be lowered at the next monthly price adjustment, provided the government does not introduce a new levy or raise either the wholesale or retail margin. However, transition charge revenues are expected to vary from projected amounts due to variations in power usage and the effects of unbilled revenue accruals, resulting in temporary over or under recovery of transition charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentOverUnderEnergyRecovery_lbl" xml:lang="en">Adjustment Over/ (Under) Energy Recovery</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentOverUnderEnergyRecovery_lbl" xml:lang="en">ADjustment Over/ (Under) Energy Recovery</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentOverUnderEnergyRecovery_lbl" xml:lang="en">Adjustment Over/ (Under) Energy Recovery - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentPayable" xlink:label="exc-og_AdjustmentPayable"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentPayable" xlink:to="exc-og_AdjustmentPayable_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentPayable_lbl" xml:lang="en">Amounts due from an overproduced working interest owner to an underproduced working interest owner.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentPayable_lbl" xml:lang="en">Adjustment of Gas Imbalance Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentPayable_lbl" xml:lang="en">Gas Imbalance Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentPayable_lbl" xml:lang="en">Adjustment of Gas Imbalance Receivable - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentPlantCapacity" xlink:label="exc-og_AdjustmentPlantCapacity"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentPlantCapacity" xlink:to="exc-og_AdjustmentPlantCapacity_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentPlantCapacity_lbl" xml:lang="en">Adjustment Plant Capacity associated with the amount of electric power or coal-fired units for which a generating unit, generating station, or other electrical apparatus is rated either by the user or manufacturer. The term is also used for the total volume of natural gas that can flow through a pipeline over a given amount of time, considering such factors as compression and pipeline size.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentPlantCapacity_lbl" xml:lang="en">Adjustment Plant Capacity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentPlantCapacity_lbl" xml:lang="en">Adjustment Plant Capacity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentPlantCapacity_lbl" xml:lang="en">Adjustment Plant Capacity - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentPropertyPlantEquipment" xlink:label="exc-og_AdjustmentPropertyPlantEquipment"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentPropertyPlantEquipment" xlink:to="exc-og_AdjustmentPropertyPlantEquipment_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentPropertyPlantEquipment_lbl" xml:lang="en">Adjusted property plant and equipment not to be included in the operating assets and liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentPropertyPlantEquipment_lbl" xml:lang="en">Adjustment Property Plant Equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentPropertyPlantEquipment_lbl" xml:lang="en">Property Plant Equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentPropertyPlantEquipment_lbl" xml:lang="en">Adjustment Property Plant Equipment - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentProvisionDoubtfulAccounts" xlink:label="exc-og_AdjustmentProvisionDoubtfulAccounts"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentProvisionDoubtfulAccounts" xlink:to="exc-og_AdjustmentProvisionDoubtfulAccounts_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentProvisionDoubtfulAccounts_lbl" xml:lang="en">Bad debt write-offs or provisions for the period. Shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentProvisionDoubtfulAccounts_lbl" xml:lang="en">Adjustments to Provision for Doubtful Accounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentProvisionDoubtfulAccounts_lbl" xml:lang="en">Provision for Doubtful Accounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentProvisionDoubtfulAccounts_lbl" xml:lang="en">Adjustments to Provision for Doubtful Accounts - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentProvisionIncomeTaxesAdjustments" xlink:label="exc-og_AdjustmentProvisionIncomeTaxesAdjustments"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentProvisionIncomeTaxesAdjustments" xlink:to="exc-og_AdjustmentProvisionIncomeTaxesAdjustments_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentProvisionIncomeTaxesAdjustments_lbl" xml:lang="en">Adjustment tax adjustments, settlements, and unusual provisions which includes adjustments of tax assessment reversal, IRS tax settlement and unusual repatriation of foreign earnings. Shall be classified as cash flows from Operating activities and reported in the statement of cash flows and not to be included in the operating assets and liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentProvisionIncomeTaxesAdjustments_lbl" xml:lang="en">Adjustment Tax Adjustments, Settlements, and Unusual Provisions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentProvisionIncomeTaxesAdjustments_lbl" xml:lang="en">Adjustment Tax Adjustments, Settlements, and Unusual Provisions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentProvisionIncomeTaxesAdjustments_lbl" xml:lang="en">Adjustment Tax Adjustments, Settlements, and Unusual Provisions - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentRealizedGainLossOilGasProperty" xlink:label="exc-og_AdjustmentRealizedGainLossOilGasProperty"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentRealizedGainLossOilGasProperty" xlink:to="exc-og_AdjustmentRealizedGainLossOilGasProperty_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentRealizedGainLossOilGasProperty_lbl" xml:lang="en">Gain or loss recognized on sale of oil and gas property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentRealizedGainLossOilGasProperty_lbl" xml:lang="en">Adjustment - Realized Gain (Loss) on Oil and Gas Property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentRealizedGainLossOilGasProperty_lbl" xml:lang="en">Gain (Loss) on Oil and Gas Property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentRealizedGainLossOilGasProperty_lbl" xml:lang="en">Adjustment - Realized Gain (Loss) on Oil and Gas Property - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentRealizedGainLossProperty" xlink:label="exc-og_AdjustmentRealizedGainLossProperty"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentRealizedGainLossProperty" xlink:to="exc-og_AdjustmentRealizedGainLossProperty_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentRealizedGainLossProperty_lbl" xml:lang="en">Gain or loss recognized on sale of property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentRealizedGainLossProperty_lbl" xml:lang="en">Adjustment - Realized Gain (Loss) on Sale of Property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentRealizedGainLossProperty_lbl" xml:lang="en">Gain (Loss) on Sale of Property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentRealizedGainLossProperty_lbl" xml:lang="en">Adjustment - Realized Gain (Loss) on Sale of Property - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentRealizedGainLossProvedProperty" xlink:label="exc-og_AdjustmentRealizedGainLossProvedProperty"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentRealizedGainLossProvedProperty" xlink:to="exc-og_AdjustmentRealizedGainLossProvedProperty_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentRealizedGainLossProvedProperty_lbl" xml:lang="en">Gain or loss recognized on sale of proved oil and gas property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentRealizedGainLossProvedProperty_lbl" xml:lang="en">Adjustment - Realized Gain (Loss) on Proved Property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentRealizedGainLossProvedProperty_lbl" xml:lang="en">Gain (Loss) on Proved Property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentRealizedGainLossProvedProperty_lbl" xml:lang="en">Adjustment - Realized Gain (Loss) on Proved Property - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentRealizedGainLossTimberProperty" xlink:label="exc-og_AdjustmentRealizedGainLossTimberProperty"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentRealizedGainLossTimberProperty" xlink:to="exc-og_AdjustmentRealizedGainLossTimberProperty_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentRealizedGainLossTimberProperty_lbl" xml:lang="en">Gain or loss recognized on sale of timber property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentRealizedGainLossTimberProperty_lbl" xml:lang="en">Adjustment - Realized Gain (Loss) on Timber Property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentRealizedGainLossTimberProperty_lbl" xml:lang="en">Gain (Loss) on Timber Property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentRealizedGainLossTimberProperty_lbl" xml:lang="en">Adjustment - Realized Gain (Loss) on Timber Property - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentRealizedGainLossUnprovedProperty" xlink:label="exc-og_AdjustmentRealizedGainLossUnprovedProperty"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentRealizedGainLossUnprovedProperty" xlink:to="exc-og_AdjustmentRealizedGainLossUnprovedProperty_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentRealizedGainLossUnprovedProperty_lbl" xml:lang="en">Gain or loss recognized on sale of unproved oil and gas property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentRealizedGainLossUnprovedProperty_lbl" xml:lang="en">Adjustment - Realized Gain (Loss) on Unproved Property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentRealizedGainLossUnprovedProperty_lbl" xml:lang="en">Gain (Loss) on Unproved Property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentRealizedGainLossUnprovedProperty_lbl" xml:lang="en">Adjustment - Realized Gain (Loss) on Unproved Property - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentRealizedGainsLossesOnSaleAsset" xlink:label="exc-og_AdjustmentRealizedGainsLossesOnSaleAsset"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentRealizedGainsLossesOnSaleAsset" xlink:to="exc-og_AdjustmentRealizedGainsLossesOnSaleAsset_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentRealizedGainsLossesOnSaleAsset_lbl" xml:lang="en">The gains and losses included in earnings resulting from the sale of an asset</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentRealizedGainsLossesOnSaleAsset_lbl" xml:lang="en">Adjustment Realized Gains Losses On Sale Asset</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentRealizedGainsLossesOnSaleAsset_lbl" xml:lang="en">Realized Gains Losses On Sale Asset</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentRealizedGainsLossesOnSaleAsset_lbl" xml:lang="en">Adjustment Realized Gains Losses On Sale Asset - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentRealizedGainsLossesOnSaleEquityMethodInvestments" xlink:label="exc-og_AdjustmentRealizedGainsLossesOnSaleEquityMethodInvestments"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentRealizedGainsLossesOnSaleEquityMethodInvestments" xlink:to="exc-og_AdjustmentRealizedGainsLossesOnSaleEquityMethodInvestments_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentRealizedGainsLossesOnSaleEquityMethodInvestments_lbl" xml:lang="en">The gains and losses included in earning resulting from the sale of a equity method investments. Equity method are investments in joint ventures and entities in which the company has an equity ownership interest normally of 20 to 50% and exercises significant influence are accounted for using the equity method. Shall be classified as cash flows from operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentRealizedGainsLossesOnSaleEquityMethodInvestments_lbl" xml:lang="en">Adjustment Realized Gains Losses On Sale of Equity Method Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentRealizedGainsLossesOnSaleEquityMethodInvestments_lbl" xml:lang="en">Realized Gains Losses On Sale of Project</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentRealizedGainsLossesOnSaleEquityMethodInvestments_lbl" xml:lang="en">Adjustment Realized Gains Losses On Sale of Equity Method Investments - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentRealizedGainsLossesOnSaleInvestments" xlink:label="exc-og_AdjustmentRealizedGainsLossesOnSaleInvestments"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentRealizedGainsLossesOnSaleInvestments" xlink:to="exc-og_AdjustmentRealizedGainsLossesOnSaleInvestments_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentRealizedGainsLossesOnSaleInvestments_lbl" xml:lang="en">The gains and losses included in earning resulting from the sale of debt and equity securities. Shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentRealizedGainsLossesOnSaleInvestments_lbl" xml:lang="en">Adjustments to Realized Gains/(Losses) on Sale of Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentRealizedGainsLossesOnSaleInvestments_lbl" xml:lang="en">Realized Gains (Losses) on Sale of Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentRealizedGainsLossesOnSaleInvestments_lbl" xml:lang="en">Adjustments to Realized Gains/(Losses) on Sale of Investments - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentRealizedGainsLossesOnSaleOtherInvestments" xlink:label="exc-og_AdjustmentRealizedGainsLossesOnSaleOtherInvestments"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentRealizedGainsLossesOnSaleOtherInvestments" xlink:to="exc-og_AdjustmentRealizedGainsLossesOnSaleOtherInvestments_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentRealizedGainsLossesOnSaleOtherInvestments_lbl" xml:lang="en">The gains and losses included in earning resulting from the sale of a other investments not otherwise defined. Shall be classified as cash flows from operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentRealizedGainsLossesOnSaleOtherInvestments_lbl" xml:lang="en">Adjustment Realized Gains Losses On Sale of Other Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentRealizedGainsLossesOnSaleOtherInvestments_lbl" xml:lang="en">Adjustment Realized Gains Losses On Sale of Other Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentRealizedGainsLossesOnSaleOtherInvestments_lbl" xml:lang="en">Adjustment Realized Gains Losses On Sale of Other Investments - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentRealizedGainsLossesOnSaleProject" xlink:label="exc-og_AdjustmentRealizedGainsLossesOnSaleProject"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentRealizedGainsLossesOnSaleProject" xlink:to="exc-og_AdjustmentRealizedGainsLossesOnSaleProject_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentRealizedGainsLossesOnSaleProject_lbl" xml:lang="en">The gains and losses included in earning resulting from the sale of a project. Shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentRealizedGainsLossesOnSaleProject_lbl" xml:lang="en">Adjustment Realized Gains Losses On Sale of Project</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentRealizedGainsLossesOnSaleProject_lbl" xml:lang="en">Realized Gains Losses On Sale of Project</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentRealizedGainsLossesOnSaleProject_lbl" xml:lang="en">Adjustment Realized Gains Losses On Sale of Project - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentReceivable" xlink:label="exc-og_AdjustmentReceivable"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentReceivable" xlink:to="exc-og_AdjustmentReceivable_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentReceivable_lbl" xml:lang="en">Adjusted receivables not to be included in the operating assets and liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentReceivable_lbl" xml:lang="en">Adjustment Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentReceivable_lbl" xml:lang="en">Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentReceivable_lbl" xml:lang="en">Adjustment Receivable - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentReclamationMineShutdownExpenditure" xlink:label="exc-og_AdjustmentReclamationMineShutdownExpenditure"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentReclamationMineShutdownExpenditure" xlink:to="exc-og_AdjustmentReclamationMineShutdownExpenditure_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentReclamationMineShutdownExpenditure_lbl" xml:lang="en">Adjustment of deferred costs that are attributable to reclamation and mine shutdown (asset retirement) costs.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentReclamationMineShutdownExpenditure_lbl" xml:lang="en">Adjustment for Reclamation and Mine Shutdown Expenditure</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentReclamationMineShutdownExpenditure_lbl" xml:lang="en">Reclamation and Mine Shutdown Expenditure</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentReclamationMineShutdownExpenditure_lbl" xml:lang="en">Adjustment for Reclamation and Mine Shutdown Expenditure - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentRegulatoryAssets" xlink:label="exc-og_AdjustmentRegulatoryAssets"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentRegulatoryAssets" xlink:to="exc-og_AdjustmentRegulatoryAssets_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentRegulatoryAssets_lbl" xml:lang="en">Assets associated with the laws related to a given industry, country or type of security to change and impact relevant investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentRegulatoryAssets_lbl" xml:lang="en">Adjustment Regulatory Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentRegulatoryAssets_lbl" xml:lang="en">Adjustment Regulatory Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentRegulatoryAssets_lbl" xml:lang="en">Adjustment Regulatory Assets - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentReimbursementLimitedPartnership" xlink:label="exc-og_AdjustmentReimbursementLimitedPartnership"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentReimbursementLimitedPartnership" xlink:to="exc-og_AdjustmentReimbursementLimitedPartnership_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentReimbursementLimitedPartnership_lbl" xml:lang="en">Adjustment of reimbursement from limited partnership</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentReimbursementLimitedPartnership_lbl" xml:lang="en">Adjustment for Reimbursement from Limited Partnership Investment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentReimbursementLimitedPartnership_lbl" xml:lang="en">Reimbursement from Limited Partnership Investment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentReimbursementLimitedPartnership_lbl" xml:lang="en">Adjustment for Reimbursement from Limited Partnership Investment - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentResearchDevelopmentExcludingInProcess" xlink:label="exc-og_AdjustmentResearchDevelopmentExcludingInProcess"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentResearchDevelopmentExcludingInProcess" xlink:to="exc-og_AdjustmentResearchDevelopmentExcludingInProcess_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentResearchDevelopmentExcludingInProcess_lbl" xml:lang="en">Adjustments to portion Research and Development Excluding InProcess Research and Development</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentResearchDevelopmentExcludingInProcess_lbl" xml:lang="en">Adjustment Research and Development Excluding InProcess</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentResearchDevelopmentExcludingInProcess_lbl" xml:lang="en">Adjustment Research and Development Excluding InProcess</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentResearchDevelopmentExcludingInProcess_lbl" xml:lang="en">Adjustment Research and Development Excluding InProcess - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentRestructuringCharges" xlink:label="exc-og_AdjustmentRestructuringCharges"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentRestructuringCharges" xlink:to="exc-og_AdjustmentRestructuringCharges_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentRestructuringCharges_lbl" xml:lang="en">Charges resulting from the consolidation and/or relocation of operations, or the disposition or abandonment of operations or productive assets. These charges may be incurred in connection with a business combination, and change in strategic plan, or a managerial response to declines in demand, increasing costs or other environmental factors. Shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentRestructuringCharges_lbl" xml:lang="en">Restructuring Charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentRestructuringCharges_lbl" xml:lang="en">Restructuring Charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentRestructuringCharges_lbl" xml:lang="en">Restructuring Charges - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentSecurityTransactionsNet" xlink:label="exc-og_AdjustmentSecurityTransactionsNet"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentSecurityTransactionsNet" xlink:to="exc-og_AdjustmentSecurityTransactionsNet_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentSecurityTransactionsNet_lbl" xml:lang="en">Adjustment Net gain received from Security transactions and shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentSecurityTransactionsNet_lbl" xml:lang="en">Adjustment Security Transactions Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentSecurityTransactionsNet_lbl" xml:lang="en">Security Transactions Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentSecurityTransactionsNet_lbl" xml:lang="en">Adjustment Security Transactions Net - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentStormDamage" xlink:label="exc-og_AdjustmentStormDamage"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentStormDamage" xlink:to="exc-og_AdjustmentStormDamage_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentStormDamage_lbl" xml:lang="en">Adjustments to Storm Damage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentStormDamage_lbl" xml:lang="en">Adjustments to Storm Damage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentStormDamage_lbl" xml:lang="en">Adjustments to Storm Damage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentStormDamage_lbl" xml:lang="en">Adjustments to Storm Damage - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentTaxReserve" xlink:label="exc-og_AdjustmentTaxReserve"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentTaxReserve" xlink:to="exc-og_AdjustmentTaxReserve_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentTaxReserve_lbl" xml:lang="en">Adjustment Tax Reserve</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentTaxReserve_lbl" xml:lang="en">Adjustment Tax Reserve</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentTaxReserve_lbl" xml:lang="en">Adjustment Tax Reserve</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentTaxReserve_lbl" xml:lang="en">Adjustment Tax Reserve - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentUndistributedEarningsAffiliates" xlink:label="exc-og_AdjustmentUndistributedEarningsAffiliates"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentUndistributedEarningsAffiliates" xlink:to="exc-og_AdjustmentUndistributedEarningsAffiliates_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentUndistributedEarningsAffiliates_lbl" xml:lang="en">Earnings (losses) arising from investments in non-consolidated subsidiaries.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentUndistributedEarningsAffiliates_lbl" xml:lang="en">Adjustments to Undistributed Earnings of Affiliates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentUndistributedEarningsAffiliates_lbl" xml:lang="en">Undistributed Earnings of Affiliates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentUndistributedEarningsAffiliates_lbl" xml:lang="en">Adjustments to Undistributed Earnings of Affiliates - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentUnrealizedGainLossDerivatives" xlink:label="exc-og_AdjustmentUnrealizedGainLossDerivatives"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentUnrealizedGainLossDerivatives" xlink:to="exc-og_AdjustmentUnrealizedGainLossDerivatives_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentUnrealizedGainLossDerivatives_lbl" xml:lang="en">Adjustment Unrealized Gain Loss on Derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentUnrealizedGainLossDerivatives_lbl" xml:lang="en">Adjustment Unrealized Gain Loss on Derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentUnrealizedGainLossDerivatives_lbl" xml:lang="en">Adjustment Unrealized Gain Loss on Derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentUnrealizedGainLossDerivatives_lbl" xml:lang="en">Adjustment Unrealized Gain Loss on Derivatives - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentUnrealizedGainLossEnergyContracts" xlink:label="exc-og_AdjustmentUnrealizedGainLossEnergyContracts"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentUnrealizedGainLossEnergyContracts" xlink:to="exc-og_AdjustmentUnrealizedGainLossEnergyContracts_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentUnrealizedGainLossEnergyContracts_lbl" xml:lang="en">Adjustment Unrealized Gain Loss on Energy Contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentUnrealizedGainLossEnergyContracts_lbl" xml:lang="en">Adjustment Unrealized Gain Loss on Energy Contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentUnrealizedGainLossEnergyContracts_lbl" xml:lang="en">Adjustment Unrealized Gain Loss on Energy Contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentUnrealizedGainLossEnergyContracts_lbl" xml:lang="en">Adjustment Unrealized Gain Loss on Energy Contracts - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentUnrealizedGainsLossesDerivativesCommodityContracts" xlink:label="exc-og_AdjustmentUnrealizedGainsLossesDerivativesCommodityContracts"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentUnrealizedGainsLossesDerivativesCommodityContracts" xlink:to="exc-og_AdjustmentUnrealizedGainsLossesDerivativesCommodityContracts_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentUnrealizedGainsLossesDerivativesCommodityContracts_lbl" xml:lang="en">Adjustment Unrealized Gains Losses On Derivatives and Commodity Contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentUnrealizedGainsLossesDerivativesCommodityContracts_lbl" xml:lang="en">Adjustment Unrealized Gains Losses On Derivatives and Commodity Contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentUnrealizedGainsLossesDerivativesCommodityContracts_lbl" xml:lang="en">Adjustment Unrealized Gains Losses On Derivatives and Commodity Contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentUnrealizedGainsLossesDerivativesCommodityContracts_lbl" xml:lang="en">Adjustment Unrealized Gains Losses On Derivatives and Commodity Contracts - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentUnrealizedGainsLossesOnCommodityContracts" xlink:label="exc-og_AdjustmentUnrealizedGainsLossesOnCommodityContracts"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentUnrealizedGainsLossesOnCommodityContracts" xlink:to="exc-og_AdjustmentUnrealizedGainsLossesOnCommodityContracts_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentUnrealizedGainsLossesOnCommodityContracts_lbl" xml:lang="en">Adjustment Unrealized Gains Losses On Commodity Contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentUnrealizedGainsLossesOnCommodityContracts_lbl" xml:lang="en">Adjustment Unrealized Gains Losses On Commodity Contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentUnrealizedGainsLossesOnCommodityContracts_lbl" xml:lang="en">Adjustment Unrealized Gains Losses On Commodity Contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentUnrealizedGainsLossesOnCommodityContracts_lbl" xml:lang="en">Adjustment Unrealized Gains Losses On Commodity Contracts - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentVoluntaryContributionBenefitPlan" xlink:label="exc-og_AdjustmentVoluntaryContributionBenefitPlan"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentVoluntaryContributionBenefitPlan" xlink:to="exc-og_AdjustmentVoluntaryContributionBenefitPlan_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentVoluntaryContributionBenefitPlan_lbl" xml:lang="en">Adjustment Voluntary Contribution Benefit Plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentVoluntaryContributionBenefitPlan_lbl" xml:lang="en">Adjustment Voluntary Contribution Benefit Plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentVoluntaryContributionBenefitPlan_lbl" xml:lang="en">Adjustment Voluntary Contribution Benefit Plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentVoluntaryContributionBenefitPlan_lbl" xml:lang="en">Adjustment Voluntary Contribution Benefit Plan - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentWarrantsGrantedServices" xlink:label="exc-og_AdjustmentWarrantsGrantedServices"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentWarrantsGrantedServices" xlink:to="exc-og_AdjustmentWarrantsGrantedServices_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentWarrantsGrantedServices_lbl" xml:lang="en">Adjustment for non-cash service expenses paid for by granting of warrants.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentWarrantsGrantedServices_lbl" xml:lang="en">Adjustment of Warrants Granted for Services</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentWarrantsGrantedServices_lbl" xml:lang="en">Warrants Granted for Services</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentWarrantsGrantedServices_lbl" xml:lang="en">Adjustment of Warrants Granted for Services - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentWriteOffAcquiredProcessResearchDevelopment" xlink:label="exc-og_AdjustmentWriteOffAcquiredProcessResearchDevelopment"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentWriteOffAcquiredProcessResearchDevelopment" xlink:to="exc-og_AdjustmentWriteOffAcquiredProcessResearchDevelopment_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentWriteOffAcquiredProcessResearchDevelopment_lbl" xml:lang="en">Costs assigned to assets to be used in a particular research and development project and that have no alternative future use shall be charged to expense at the date of consummation of the combination.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentWriteOffAcquiredProcessResearchDevelopment_lbl" xml:lang="en">Adjustments to Write-Off Acquired In-Process Research and Development</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentWriteOffAcquiredProcessResearchDevelopment_lbl" xml:lang="en">Write Off of Acquired in Process Research and Development</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentWriteOffAcquiredProcessResearchDevelopment_lbl" xml:lang="en">Adjustments to Write-Off Acquired In-Process Research and Development - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentWriteOffAsset" xlink:label="exc-og_AdjustmentWriteOffAsset"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentWriteOffAsset" xlink:to="exc-og_AdjustmentWriteOffAsset_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentWriteOffAsset_lbl" xml:lang="en">Adjusted write off of Asset not to be included in the operating assets and liabilities; shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentWriteOffAsset_lbl" xml:lang="en">Adjustment Write Off of Asset</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentWriteOffAsset_lbl" xml:lang="en">Adjustment Write Off Asset</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentWriteOffAsset_lbl" xml:lang="en">Adjustment Write Off of Asset - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentWriteOffGoodwill" xlink:label="exc-og_AdjustmentWriteOffGoodwill"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentWriteOffGoodwill" xlink:to="exc-og_AdjustmentWriteOffGoodwill_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentWriteOffGoodwill_lbl" xml:lang="en">Adjusted write off of Goodwill; shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentWriteOffGoodwill_lbl" xml:lang="en">Adjustment Write Off of Goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentWriteOffGoodwill_lbl" xml:lang="en">Adjustment Write Off Goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentWriteOffGoodwill_lbl" xml:lang="en">Adjustment Write Off of Goodwill - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentWriteOffIntangibleAssets" xlink:label="exc-og_AdjustmentWriteOffIntangibleAssets"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentWriteOffIntangibleAssets" xlink:to="exc-og_AdjustmentWriteOffIntangibleAssets_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentWriteOffIntangibleAssets_lbl" xml:lang="en">Adjusted write off of Intangible Assets excluding Goodwill not to be included in the operating assets and liabilities; shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentWriteOffIntangibleAssets_lbl" xml:lang="en">Adjustment Write Off of Intangible Asset Excluding Goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentWriteOffIntangibleAssets_lbl" xml:lang="en">Adjustment Write Off of Intangible Asset Excluding Goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentWriteOffIntangibleAssets_lbl" xml:lang="en">Adjustment Write Off of Intangible Asset Excluding Goodwill - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentWriteOffInventory" xlink:label="exc-og_AdjustmentWriteOffInventory"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentWriteOffInventory" xlink:to="exc-og_AdjustmentWriteOffInventory_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentWriteOffInventory_lbl" xml:lang="en">Adjusted write off of Inventory not to be included in the operating assets and liabilities; shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentWriteOffInventory_lbl" xml:lang="en">Adjustment Write Off of Inventory</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentWriteOffInventory_lbl" xml:lang="en">Adjustment Write Off Inventory</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentWriteOffInventory_lbl" xml:lang="en">Adjustment Write Off of Inventory - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentWriteOffOther" xlink:label="exc-og_AdjustmentWriteOffOther"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentWriteOffOther" xlink:to="exc-og_AdjustmentWriteOffOther_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentWriteOffOther_lbl" xml:lang="en">Adjusted  of Other write off not otherwise defined; shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentWriteOffOther_lbl" xml:lang="en">Adjustment Write Off of Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentWriteOffOther_lbl" xml:lang="en">Adjustment Write Off Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentWriteOffOther_lbl" xml:lang="en">Adjustment Write Off of Other - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentWriteOffPropertyPlantEquipment" xlink:label="exc-og_AdjustmentWriteOffPropertyPlantEquipment"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentWriteOffPropertyPlantEquipment" xlink:to="exc-og_AdjustmentWriteOffPropertyPlantEquipment_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentWriteOffPropertyPlantEquipment_lbl" xml:lang="en">Adjusted write off of property plant and equipment not to be included in the operating assets and liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentWriteOffPropertyPlantEquipment_lbl" xml:lang="en">Adjustment Write Off Property Plant Equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentWriteOffPropertyPlantEquipment_lbl" xml:lang="en">Write Off Property Plant Equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentWriteOffPropertyPlantEquipment_lbl" xml:lang="en">Adjustment Write Off Property Plant Equipment - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdjustmentWriteOffUnamortizedDebtIssuanceCosts" xlink:label="exc-og_AdjustmentWriteOffUnamortizedDebtIssuanceCosts"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdjustmentWriteOffUnamortizedDebtIssuanceCosts" xlink:to="exc-og_AdjustmentWriteOffUnamortizedDebtIssuanceCosts_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdjustmentWriteOffUnamortizedDebtIssuanceCosts_lbl" xml:lang="en">Adjusted  of write off related to unamortized debt issuance costs; shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdjustmentWriteOffUnamortizedDebtIssuanceCosts_lbl" xml:lang="en">Adjustment Write Off of Unamortized Debt Issuance Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdjustmentWriteOffUnamortizedDebtIssuanceCosts_lbl" xml:lang="en">Adjustment Write Off of Unamortized Debt Issuance Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdjustmentWriteOffUnamortizedDebtIssuanceCosts_lbl" xml:lang="en">Adjustment Write Off of Unamortized Debt Issuance Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdoptionFIN48OtherPaidInCapital" xlink:label="exc-og_AdoptionFIN48OtherPaidInCapital"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdoptionFIN48OtherPaidInCapital" xlink:to="exc-og_AdoptionFIN48OtherPaidInCapital_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdoptionFIN48OtherPaidInCapital_lbl" xml:lang="en">The net change in Other Paid in Capital as a result of adopting FIN 48, Accounting for Uncertainty in Income Taxes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdoptionFIN48OtherPaidInCapital_lbl" xml:lang="en">Adoption of FIN 48 - Other Paid in Capital</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdoptionFIN48OtherPaidInCapital_lbl" xml:lang="en">Adoption of FIN 48 - Other Paid in Capital</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdoptionFIN48OtherPaidInCapital_lbl" xml:lang="en">Adoption of FIN 48 - Other Paid in Capital - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdoptionFIN48RetainedEarnings" xlink:label="exc-og_AdoptionFIN48RetainedEarnings"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdoptionFIN48RetainedEarnings" xlink:to="exc-og_AdoptionFIN48RetainedEarnings_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdoptionFIN48RetainedEarnings_lbl" xml:lang="en">The net change in Retained Earnings as a result of adopting FIN 48, Accounting for Uncertainty in Income Taxes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdoptionFIN48RetainedEarnings_lbl" xml:lang="en">Adoption of FIN 48 - Retained Earnings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdoptionFIN48RetainedEarnings_lbl" xml:lang="en">Adoption of FIN 48 - Retained Earnings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdoptionFIN48RetainedEarnings_lbl" xml:lang="en">Adoption of FIN 48 - Retained Earnings - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdoptionFIN48RetainedEarningsUnappropriated" xlink:label="exc-og_AdoptionFIN48RetainedEarningsUnappropriated"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdoptionFIN48RetainedEarningsUnappropriated" xlink:to="exc-og_AdoptionFIN48RetainedEarningsUnappropriated_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdoptionFIN48RetainedEarningsUnappropriated_lbl" xml:lang="en">The net change in Retained Earnings Unappropriated as a result of adopting FASB Interpretation FIN No. 48, Accounting for uncertainty in Income Taxes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdoptionFIN48RetainedEarningsUnappropriated_lbl" xml:lang="en">Adoption of FIN 48 - Retained Earnings Unappropriated</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdoptionFIN48RetainedEarningsUnappropriated_lbl" xml:lang="en">Adoption of FIN 48 - Retained Earnings Unappropriated</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdoptionFIN48RetainedEarningsUnappropriated_lbl" xml:lang="en">Adoption of FIN 48 - Retained Earnings Unappropriated - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdoptionFIN48UndistrubedEarnings" xlink:label="exc-og_AdoptionFIN48UndistrubedEarnings"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdoptionFIN48UndistrubedEarnings" xlink:to="exc-og_AdoptionFIN48UndistrubedEarnings_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdoptionFIN48UndistrubedEarnings_lbl" xml:lang="en">The net change in Undistributed Earnings as a result of adopting FIN 48, Accounting for Uncertainty in Income Taxes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdoptionFIN48UndistrubedEarnings_lbl" xml:lang="en">Adoption of FIN 48 - Undistributed Earnings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdoptionFIN48UndistrubedEarnings_lbl" xml:lang="en">Adoption of FIN 48 - Undistributed Earnings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdoptionFIN48UndistrubedEarnings_lbl" xml:lang="en">Adoption of FIN 48 - Undistributed Earnings - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ADSBasicDilutedEarningsPerShareNetIncome" xlink:label="exc-og_ADSBasicDilutedEarningsPerShareNetIncome"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ADSBasicDilutedEarningsPerShareNetIncome" xlink:to="exc-og_ADSBasicDilutedEarningsPerShareNetIncome_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ADSBasicDilutedEarningsPerShareNetIncome_lbl" xml:lang="en">American Depository Share equivalent basic and diluted earnings (net income) per Outstanding Share. A share issued under deposit agreement that represents an underlying security in the issuer's home country.  The term ADR and ADS are often thought to be the same. Technically, an ADS is the actual share trading, while an ADR represents a bundle of ADSs.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ADSBasicDilutedEarningsPerShareNetIncome_lbl" xml:lang="en">ADS Equivalent Basic and Diluted Earnings Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ADSBasicDilutedEarningsPerShareNetIncome_lbl" xml:lang="en">ADS Equivalent Basic and Diluted Earnings Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ADSBasicDilutedEarningsPerShareNetIncome_lbl" xml:lang="en">ADS Equivalent Basic and Diluted Earnings Per Share - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ADSBasicDilutedEarningsPerShareNetIncomeAbstract" xlink:label="exc-og_ADSBasicDilutedEarningsPerShareNetIncomeAbstract"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ADSBasicDilutedEarningsPerShareNetIncomeAbstract" xlink:to="exc-og_ADSBasicDilutedEarningsPerShareNetIncomeAbstract_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ADSBasicDilutedEarningsPerShareNetIncomeAbstract_lbl" xml:lang="en">American Depository Share equivalent basic and diluted earnings (net income) per Outstanding Share. A share issued under deposit agreement that represents an underlying security in the issuer's home country.  The term ADR and ADS are often thought to be the same. Technically, an ADS is the actual share trading, while an ADR represents a bundle of ADSs.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ADSBasicDilutedEarningsPerShareNetIncomeAbstract_lbl" xml:lang="en">ADS Equivalent Basic and Diluted Earnings Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ADSBasicDilutedEarningsPerShareNetIncomeAbstract_lbl" xml:lang="en">ADS Equivalent Basic and Diluted Earnings Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ADSBasicDilutedEarningsPerShareNetIncomeAbstract_lbl" xml:lang="en">ADS Equivalent Basic and Diluted Earnings Per Share - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ADSBasicEarningsPerShareNetIncome" xlink:label="exc-og_ADSBasicEarningsPerShareNetIncome"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ADSBasicEarningsPerShareNetIncome" xlink:to="exc-og_ADSBasicEarningsPerShareNetIncome_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ADSBasicEarningsPerShareNetIncome_lbl" xml:lang="en">American Depository Share equivalent basic earnings (net income) per Outstanding Share. A share issued under deposit agreement that represents an underlying security in the issuer's home country.  The term ADR and ADS are often thought to be the same. Technically, an ADS is the actual share trading, while an ADR represents a bundle of ADSs.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ADSBasicEarningsPerShareNetIncome_lbl" xml:lang="en">ADS Equivalent Basic Earnings Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ADSBasicEarningsPerShareNetIncome_lbl" xml:lang="en">ADS Equivalent Basic Earnings Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ADSBasicEarningsPerShareNetIncome_lbl" xml:lang="en">ADS Equivalent Basic Earnings Per Share - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ADSBasicEarningsPerShareNetIncomeAbstract" xlink:label="exc-og_ADSBasicEarningsPerShareNetIncomeAbstract"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ADSBasicEarningsPerShareNetIncomeAbstract" xlink:to="exc-og_ADSBasicEarningsPerShareNetIncomeAbstract_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ADSBasicEarningsPerShareNetIncomeAbstract_lbl" xml:lang="en">American Depository Share equivalent basic earnings (net income) per Outstanding Share. A share issued under deposit agreement that represents an underlying security in the issuer's home country.  The term ADR and ADS are often thought to be the same. Technically, an ADS is the actual share trading, while an ADR represents a bundle of ADSs.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ADSBasicEarningsPerShareNetIncomeAbstract_lbl" xml:lang="en">ADS Equivalent Basic Earnings Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ADSBasicEarningsPerShareNetIncomeAbstract_lbl" xml:lang="en">ADS Equivalent Basic Earnings Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ADSBasicEarningsPerShareNetIncomeAbstract_lbl" xml:lang="en">ADS Equivalent Basic Earnings Per Share - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ADSDilutedEarningsPerShareNetIncome" xlink:label="exc-og_ADSDilutedEarningsPerShareNetIncome"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ADSDilutedEarningsPerShareNetIncome" xlink:to="exc-og_ADSDilutedEarningsPerShareNetIncome_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ADSDilutedEarningsPerShareNetIncome_lbl" xml:lang="en">American Depository Share equivalent diluted earnings (net income) per Outstanding Share. A share issued under deposit agreement that represents an underlying security in the issuer's home country.  The term ADR and ADS are often thought to be the same. Technically, an ADS is the actual share trading, while an ADR represents a bundle of ADSs.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ADSDilutedEarningsPerShareNetIncome_lbl" xml:lang="en">ADS Equivalent Diluted Earnings Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ADSDilutedEarningsPerShareNetIncome_lbl" xml:lang="en">ADS Equivalent Diluted Earnings Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ADSDilutedEarningsPerShareNetIncome_lbl" xml:lang="en">ADS Equivalent Diluted Earnings Per Share - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ADSDilutedEarningsPerShareNetIncomeAbstract" xlink:label="exc-og_ADSDilutedEarningsPerShareNetIncomeAbstract"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ADSDilutedEarningsPerShareNetIncomeAbstract" xlink:to="exc-og_ADSDilutedEarningsPerShareNetIncomeAbstract_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ADSDilutedEarningsPerShareNetIncomeAbstract_lbl" xml:lang="en">American Depository Share equivalent diluted earnings (net income) per Outstanding Share. A share issued under deposit agreement that represents an underlying security in the issuer's home country.  The term ADR and ADS are often thought to be the same. Technically, an ADS is the actual share trading, while an ADR represents a bundle of ADSs.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ADSDilutedEarningsPerShareNetIncomeAbstract_lbl" xml:lang="en">ADS Equivalent Diluted Earnings Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ADSDilutedEarningsPerShareNetIncomeAbstract_lbl" xml:lang="en">ADS Equivalent Diluted Earnings Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ADSDilutedEarningsPerShareNetIncomeAbstract_lbl" xml:lang="en">ADS Equivalent Diluted Earnings Per Share - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ADSWeightedAverageNumberBasicDilutedSharesOutstanding" xlink:label="exc-og_ADSWeightedAverageNumberBasicDilutedSharesOutstanding"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ADSWeightedAverageNumberBasicDilutedSharesOutstanding" xlink:to="exc-og_ADSWeightedAverageNumberBasicDilutedSharesOutstanding_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ADSWeightedAverageNumberBasicDilutedSharesOutstanding_lbl" xml:lang="en">American Depository Share equivalent Weighted Average Number of Shares Outstanding where Basic and Diluted are the same and reported as a single line</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ADSWeightedAverageNumberBasicDilutedSharesOutstanding_lbl" xml:lang="en">Weighted Average Number Basic and Diluted Shares Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ADSWeightedAverageNumberBasicDilutedSharesOutstanding_lbl" xml:lang="en">Weighted Average Number Basic and Diluted Shares Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ADSWeightedAverageNumberBasicDilutedSharesOutstanding_lbl" xml:lang="en">Weighted Average Number Basic and Diluted Shares Outstanding - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ADSWeightedAverageNumberBasicDilutedSharesOutstandingAdjustment" xlink:label="exc-og_ADSWeightedAverageNumberBasicDilutedSharesOutstandingAdjustment"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ADSWeightedAverageNumberBasicDilutedSharesOutstandingAdjustment" xlink:to="exc-og_ADSWeightedAverageNumberBasicDilutedSharesOutstandingAdjustment_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ADSWeightedAverageNumberBasicDilutedSharesOutstandingAdjustment_lbl" xml:lang="en">American Depository Share equivalent Adjustment to the Weighted Average Number of Basic and Diluted Shares Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ADSWeightedAverageNumberBasicDilutedSharesOutstandingAdjustment_lbl" xml:lang="en">Weighted Average Number Basic and Diluted Shares Outstanding Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ADSWeightedAverageNumberBasicDilutedSharesOutstandingAdjustment_lbl" xml:lang="en">Weighted Average Number Basic and Diluted Shares Outstanding Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ADSWeightedAverageNumberBasicDilutedSharesOutstandingAdjustment_lbl" xml:lang="en">Weighted Average Number Basic and Diluted Shares Outstanding Adjustment - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ADSWeightedAverageNumberBasicDilutedSharesOutstandingProForma" xlink:label="exc-og_ADSWeightedAverageNumberBasicDilutedSharesOutstandingProForma"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ADSWeightedAverageNumberBasicDilutedSharesOutstandingProForma" xlink:to="exc-og_ADSWeightedAverageNumberBasicDilutedSharesOutstandingProForma_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ADSWeightedAverageNumberBasicDilutedSharesOutstandingProForma_lbl" xml:lang="en">American Depository Share  equivalent adjustment to the Weighted Average Number of Shares Outstanding where Basic and Diluted are the same</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ADSWeightedAverageNumberBasicDilutedSharesOutstandingProForma_lbl" xml:lang="en">Weighted Average Number Basic Diluted Shares Outstanding ProForma</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ADSWeightedAverageNumberBasicDilutedSharesOutstandingProForma_lbl" xml:lang="en">Weighted Average Number Basic Diluted Shares Outstanding ProForma</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ADSWeightedAverageNumberBasicDilutedSharesOutstandingProForma_lbl" xml:lang="en">Weighted Average Number Basic Diluted Shares Outstanding ProForma - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ADSWeightedAverageNumberBasicSharesOutstanding" xlink:label="exc-og_ADSWeightedAverageNumberBasicSharesOutstanding"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ADSWeightedAverageNumberBasicSharesOutstanding" xlink:to="exc-og_ADSWeightedAverageNumberBasicSharesOutstanding_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ADSWeightedAverageNumberBasicSharesOutstanding_lbl" xml:lang="en">American Depository Share equivalent basic Weighted Average Number of Shares Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ADSWeightedAverageNumberBasicSharesOutstanding_lbl" xml:lang="en">ADS Equivalent Weighted Average Shares Outstanding - Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ADSWeightedAverageNumberBasicSharesOutstanding_lbl" xml:lang="en">ADS Equivalent Weighted Average Number of Shares Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ADSWeightedAverageNumberBasicSharesOutstanding_lbl" xml:lang="en">ADS Equivalent Weighted Average Shares Outstanding - Basic - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ADSWeightedAverageNumberBasicSharesOutstandingAdjustment" xlink:label="exc-og_ADSWeightedAverageNumberBasicSharesOutstandingAdjustment"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ADSWeightedAverageNumberBasicSharesOutstandingAdjustment" xlink:to="exc-og_ADSWeightedAverageNumberBasicSharesOutstandingAdjustment_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ADSWeightedAverageNumberBasicSharesOutstandingAdjustment_lbl" xml:lang="en">American Depository Share equivalent basic Adjustment to the Weighted Average Number of Basic Shares Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ADSWeightedAverageNumberBasicSharesOutstandingAdjustment_lbl" xml:lang="en">Weighted Average Number Basic Shares Outstanding Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ADSWeightedAverageNumberBasicSharesOutstandingAdjustment_lbl" xml:lang="en">Weighted Average Number Basic Shares Outstanding Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ADSWeightedAverageNumberBasicSharesOutstandingAdjustment_lbl" xml:lang="en">Weighted Average Number Basic Shares Outstanding Adjustment - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ADSWeightedAverageNumberBasicSharesOutstandingProForma" xlink:label="exc-og_ADSWeightedAverageNumberBasicSharesOutstandingProForma"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ADSWeightedAverageNumberBasicSharesOutstandingProForma" xlink:to="exc-og_ADSWeightedAverageNumberBasicSharesOutstandingProForma_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ADSWeightedAverageNumberBasicSharesOutstandingProForma_lbl" xml:lang="en">American Depository Share equivalent basic Proforma Weighted Average Number of Shares Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ADSWeightedAverageNumberBasicSharesOutstandingProForma_lbl" xml:lang="en">ProForma Weighted Average Shares Outstanding - Basic</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ADSWeightedAverageNumberBasicSharesOutstandingProForma_lbl" xml:lang="en">ProForma Weighted Average Number of Shares Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ADSWeightedAverageNumberBasicSharesOutstandingProForma_lbl" xml:lang="en">ProForma Weighted Average Shares Outstanding - Basic - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ADSWeightedAverageNumberDilutedSharesOutstanding" xlink:label="exc-og_ADSWeightedAverageNumberDilutedSharesOutstanding"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ADSWeightedAverageNumberDilutedSharesOutstanding" xlink:to="exc-og_ADSWeightedAverageNumberDilutedSharesOutstanding_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ADSWeightedAverageNumberDilutedSharesOutstanding_lbl" xml:lang="en">American Depository Share equivalent Weighted Average Number of Diluted Shares Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ADSWeightedAverageNumberDilutedSharesOutstanding_lbl" xml:lang="en">Weighted Average Shares Outstanding - Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ADSWeightedAverageNumberDilutedSharesOutstanding_lbl" xml:lang="en">Weighted Average Number of Diluted Shares Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ADSWeightedAverageNumberDilutedSharesOutstanding_lbl" xml:lang="en">Weighted Average Shares Outstanding - Diluted - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ADSWeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:label="exc-og_ADSWeightedAverageNumberDilutedSharesOutstandingAdjustment"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ADSWeightedAverageNumberDilutedSharesOutstandingAdjustment" xlink:to="exc-og_ADSWeightedAverageNumberDilutedSharesOutstandingAdjustment_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ADSWeightedAverageNumberDilutedSharesOutstandingAdjustment_lbl" xml:lang="en">American Depository Share equivalent adjustment to the Weighted Average Number of Diluted Shares Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ADSWeightedAverageNumberDilutedSharesOutstandingAdjustment_lbl" xml:lang="en">Weighted Average Number Diluted Shares Outstanding Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ADSWeightedAverageNumberDilutedSharesOutstandingAdjustment_lbl" xml:lang="en">Weighted Average Number Diluted Shares Outstanding Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ADSWeightedAverageNumberDilutedSharesOutstandingAdjustment_lbl" xml:lang="en">Weighted Average Number Diluted Shares Outstanding Adjustment - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ADSWeightedAverageNumberDilutedSharesOutstandingProForma" xlink:label="exc-og_ADSWeightedAverageNumberDilutedSharesOutstandingProForma"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ADSWeightedAverageNumberDilutedSharesOutstandingProForma" xlink:to="exc-og_ADSWeightedAverageNumberDilutedSharesOutstandingProForma_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ADSWeightedAverageNumberDilutedSharesOutstandingProForma_lbl" xml:lang="en">American Depository Share equivalent ProForma Weighted Average Number of Diluted Shares Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ADSWeightedAverageNumberDilutedSharesOutstandingProForma_lbl" xml:lang="en">ProForma Weighted Average Shares Outstanding - Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ADSWeightedAverageNumberDilutedSharesOutstandingProForma_lbl" xml:lang="en">ProForma Weighted Average Number of Diluted Shares Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ADSWeightedAverageNumberDilutedSharesOutstandingProForma_lbl" xml:lang="en">ProForma Weighted Average Shares Outstanding - Diluted - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdvancesForConstruction" xlink:label="exc-og_AdvancesForConstruction"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdvancesForConstruction" xlink:to="exc-og_AdvancesForConstruction_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdvancesForConstruction_lbl" xml:lang="en">A deferred credit account representing cash advances paid to the utility by customers requiring the construction of facilities in their behalf. These advances are refundable, the time or extent of refund is dependent on the contract provisions of the advance (usually dependent on whether or not during a specified period the revenue from the installation warrants the refund). The unrefunded balance, if any, must be transferred to the appropriate plant account CONTRIBUTIONS IN AID OF CONSTRUCTION (due beyond one year or one operating cycle).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdvancesForConstruction_lbl" xml:lang="en">Advances For Construction - Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdvancesForConstruction_lbl" xml:lang="en">Advances For Construction - Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdvancesForConstruction_lbl" xml:lang="en">Advances For Construction - Noncurrent - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AdvertisingRevenue" xlink:label="exc-og_AdvertisingRevenue"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AdvertisingRevenue" xlink:to="exc-og_AdvertisingRevenue_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AdvertisingRevenue_lbl" xml:lang="en">Revenues arising from the sale of Advertising.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AdvertisingRevenue_lbl" xml:lang="en">Advertising Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AdvertisingRevenue_lbl" xml:lang="en">Advertising Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AdvertisingRevenue_lbl" xml:lang="en">Advertising Revenue - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AffordableHousingInvestmentsNoncurrent" xlink:label="exc-og_AffordableHousingInvestmentsNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AffordableHousingInvestmentsNoncurrent" xlink:to="exc-og_AffordableHousingInvestmentsNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AffordableHousingInvestmentsNoncurrent_lbl" xml:lang="en">Aggregate amount of affordable housing investments which may include equity investments in affordable housing guarantee funds.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AffordableHousingInvestmentsNoncurrent_lbl" xml:lang="en">Affordable Housing Investments - Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AffordableHousingInvestmentsNoncurrent_lbl" xml:lang="en">Affordable Housing Investments - Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AffordableHousingInvestmentsNoncurrent_lbl" xml:lang="en">Affordable Housing Investments - Noncurrent - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AllocationStockCompensationGeneralAdministrative" xlink:label="exc-og_AllocationStockCompensationGeneralAdministrative"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AllocationStockCompensationGeneralAdministrative" xlink:to="exc-og_AllocationStockCompensationGeneralAdministrative_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AllocationStockCompensationGeneralAdministrative_lbl" xml:lang="en">The portion of Stock Compensation Allocated to General Administrative</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AllocationStockCompensationGeneralAdministrative_lbl" xml:lang="en">Allocation of Stock Compensation General Administrative</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AllocationStockCompensationGeneralAdministrative_lbl" xml:lang="en">Allocation of Stock Compensation General Administrative</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AllocationStockCompensationGeneralAdministrative_lbl" xml:lang="en">Allocation of Stock Compensation General Administrative - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AllocationStockCompensationMarketingSelling" xlink:label="exc-og_AllocationStockCompensationMarketingSelling"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AllocationStockCompensationMarketingSelling" xlink:to="exc-og_AllocationStockCompensationMarketingSelling_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AllocationStockCompensationMarketingSelling_lbl" xml:lang="en">The portion of Stock Compensation Allocated to Marketing and Selling</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AllocationStockCompensationMarketingSelling_lbl" xml:lang="en">Allocation of Stock Compensation Marketing and Selling</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AllocationStockCompensationMarketingSelling_lbl" xml:lang="en">Allocation of Stock Compensation Marketing and Selling</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AllocationStockCompensationMarketingSelling_lbl" xml:lang="en">Allocation of Stock Compensation Marketing and Selling - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AllocationStockCompensationOtherCostsExpenses" xlink:label="exc-og_AllocationStockCompensationOtherCostsExpenses"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AllocationStockCompensationOtherCostsExpenses" xlink:to="exc-og_AllocationStockCompensationOtherCostsExpenses_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AllocationStockCompensationOtherCostsExpenses_lbl" xml:lang="en">The portion of Stock Compensation Allocated to Other Costs and or Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AllocationStockCompensationOtherCostsExpenses_lbl" xml:lang="en">Allocation of Stock Compensation Other Costs and or Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AllocationStockCompensationOtherCostsExpenses_lbl" xml:lang="en">Allocation of Stock Compensation Other Costs and or Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AllocationStockCompensationOtherCostsExpenses_lbl" xml:lang="en">Allocation of Stock Compensation Other Costs and or Expense - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AllocationStockCompensationResearchDevelopment" xlink:label="exc-og_AllocationStockCompensationResearchDevelopment"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AllocationStockCompensationResearchDevelopment" xlink:to="exc-og_AllocationStockCompensationResearchDevelopment_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AllocationStockCompensationResearchDevelopment_lbl" xml:lang="en">The portion of Stock Compensation Allocated to Research and Development</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AllocationStockCompensationResearchDevelopment_lbl" xml:lang="en">Allocation of Stock Compensation Research and Development</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AllocationStockCompensationResearchDevelopment_lbl" xml:lang="en">Allocation of Stock Compensation Research and Development</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AllocationStockCompensationResearchDevelopment_lbl" xml:lang="en">Allocation of Stock Compensation Research and Development - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AllocationTaxBenefitFromMemberMembershipInterest" xlink:label="exc-og_AllocationTaxBenefitFromMemberMembershipInterest"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AllocationTaxBenefitFromMemberMembershipInterest" xlink:to="exc-og_AllocationTaxBenefitFromMemberMembershipInterest_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AllocationTaxBenefitFromMemberMembershipInterest_lbl" xml:lang="en">Allocation of tax benefit from member - Membership Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AllocationTaxBenefitFromMemberMembershipInterest_lbl" xml:lang="en">Allocation of tax benefit from member - Membership Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AllocationTaxBenefitFromMemberMembershipInterest_lbl" xml:lang="en">Allocation of tax benefit from member - Membership Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AllocationTaxBenefitFromMemberMembershipInterest_lbl" xml:lang="en">Allocation of tax benefit from member - Membership Interest - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AllocationTaxBenefitFromMemberUndistributedEarnings" xlink:label="exc-og_AllocationTaxBenefitFromMemberUndistributedEarnings"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AllocationTaxBenefitFromMemberUndistributedEarnings" xlink:to="exc-og_AllocationTaxBenefitFromMemberUndistributedEarnings_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AllocationTaxBenefitFromMemberUndistributedEarnings_lbl" xml:lang="en">Allocation of tax benefit from member - Undistributed Earnings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AllocationTaxBenefitFromMemberUndistributedEarnings_lbl" xml:lang="en">Allocation of tax benefit from member - Undistributed Earnings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AllocationTaxBenefitFromMemberUndistributedEarnings_lbl" xml:lang="en">Allocation of tax benefit from member - Undistributed Earnings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AllocationTaxBenefitFromMemberUndistributedEarnings_lbl" xml:lang="en">Allocation of tax benefit from member - Undistributed Earnings - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AllocationTaxBenefitFromParentChanges" xlink:label="exc-og_AllocationTaxBenefitFromParentChanges"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AllocationTaxBenefitFromParentChanges" xlink:to="exc-og_AllocationTaxBenefitFromParentChanges_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AllocationTaxBenefitFromParentChanges_lbl" xml:lang="en">Allocation of income tax benefit from parent.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AllocationTaxBenefitFromParentChanges_lbl" xml:lang="en">Allocation of  tax benefit from parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AllocationTaxBenefitFromParentChanges_lbl" xml:lang="en">Allocation of  tax benefit from parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AllocationTaxBenefitFromParentChanges_lbl" xml:lang="en">Allocation of  tax benefit from parent - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AllowanceFundsUsedDuringConstruction" xlink:label="exc-og_AllowanceFundsUsedDuringConstruction"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AllowanceFundsUsedDuringConstruction" xlink:to="exc-og_AllowanceFundsUsedDuringConstruction_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AllowanceFundsUsedDuringConstruction_lbl" xml:lang="en">AFUDC is a component of construction costs representing net cost of borrowed funds and a reasonable rate on other funds used during the period of construction. AFUDC is capitalized until the project is placed in operation by concurrent credits to the income statement and charges to utility plant, based generally on the amount expended to date on the particular project.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AllowanceFundsUsedDuringConstruction_lbl" xml:lang="en">Allowance for Funds Used During Construction</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AllowanceFundsUsedDuringConstruction_lbl" xml:lang="en">Allowance for Funds Used During Construction</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AllowanceFundsUsedDuringConstruction_lbl" xml:lang="en">Allowance for Funds Used During Construction - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AllowanceUncollectibleNotesReceivable" xlink:label="exc-og_AllowanceUncollectibleNotesReceivable"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AllowanceUncollectibleNotesReceivable" xlink:to="exc-og_AllowanceUncollectibleNotesReceivable_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AllowanceUncollectibleNotesReceivable_lbl" xml:lang="en">The accumulated allowance for uncollectible minimum note receivable payments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AllowanceUncollectibleNotesReceivable_lbl" xml:lang="en">Allowance for Uncollectible Notes Receivable Payments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AllowanceUncollectibleNotesReceivable_lbl" xml:lang="en">Allowance for Uncollectible Notes Receivable Payments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AllowanceUncollectibleNotesReceivable_lbl" xml:lang="en">Allowance for Uncollectible Notes Receivable Payments - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AmortizationExpense" xlink:label="exc-og_AmortizationExpense"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AmortizationExpense" xlink:to="exc-og_AmortizationExpense_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AmortizationExpense_lbl" xml:lang="en">Amortization Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AmortizationExpense_lbl" xml:lang="en">Amortization Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AmortizationExpense_lbl" xml:lang="en">Amortization Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AmortizationExpense_lbl" xml:lang="en">Amortization Expense - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AmortizationFinancingCosts" xlink:label="exc-og_AmortizationFinancingCosts"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AmortizationFinancingCosts" xlink:to="exc-og_AmortizationFinancingCosts_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AmortizationFinancingCosts_lbl" xml:lang="en">The amount of expense charged against earnings to write down the cost of financing.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AmortizationFinancingCosts_lbl" xml:lang="en">Amortization of Financing Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AmortizationFinancingCosts_lbl" xml:lang="en">Amortization of Financing Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AmortizationFinancingCosts_lbl" xml:lang="en">Amortization of Financing Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AmortizationGoodwill" xlink:label="exc-og_AmortizationGoodwill"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AmortizationGoodwill" xlink:to="exc-og_AmortizationGoodwill_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AmortizationGoodwill_lbl" xml:lang="en">The cumulative amount of amortization, generally shown as a deduction from the recorded amount of the excess of the cost of an acquired entity over net of the amounts assigned to assets acquired and liabilities assumed in a business combination.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AmortizationGoodwill_lbl" xml:lang="en">Amortization Goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AmortizationGoodwill_lbl" xml:lang="en">Amortization Goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AmortizationGoodwill_lbl" xml:lang="en">Amortization Goodwill - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AmortizationIntangibleAssetsIncludingGoodwill" xlink:label="exc-og_AmortizationIntangibleAssetsIncludingGoodwill"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AmortizationIntangibleAssetsIncludingGoodwill" xlink:to="exc-og_AmortizationIntangibleAssetsIncludingGoodwill_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AmortizationIntangibleAssetsIncludingGoodwill_lbl" xml:lang="en">The cumulative amount of amortization, Intangible Assets Including Goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AmortizationIntangibleAssetsIncludingGoodwill_lbl" xml:lang="en">Amortization Intangible Assets and Goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AmortizationIntangibleAssetsIncludingGoodwill_lbl" xml:lang="en">Amortization Intangible assets and Goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AmortizationIntangibleAssetsIncludingGoodwill_lbl" xml:lang="en">Amortization Intangible Assets and Goodwill - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AmortizationOther" xlink:label="exc-og_AmortizationOther"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AmortizationOther" xlink:to="exc-og_AmortizationOther_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AmortizationOther_lbl" xml:lang="en">The amount of expense charged against earnings by a company to write off the cost of an intangible possession not otherwise defined.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AmortizationOther_lbl" xml:lang="en">Amortization - Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AmortizationOther_lbl" xml:lang="en">Other Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AmortizationOther_lbl" xml:lang="en">Amortization - Other - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AmortizationRegulatoryAsset" xlink:label="exc-og_AmortizationRegulatoryAsset"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AmortizationRegulatoryAsset" xlink:to="exc-og_AmortizationRegulatoryAsset_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AmortizationRegulatoryAsset_lbl" xml:lang="en">Amortization  of fixed assets and working capital used in the regulated activity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AmortizationRegulatoryAsset_lbl" xml:lang="en">Amortization - Regulatory Asset</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AmortizationRegulatoryAsset_lbl" xml:lang="en">Amortization - Regulatory Asset</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AmortizationRegulatoryAsset_lbl" xml:lang="en">Amortization - Regulatory Asset - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AmountsDueFromEmployeeCurrent" xlink:label="exc-og_AmountsDueFromEmployeeCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AmountsDueFromEmployeeCurrent" xlink:to="exc-og_AmountsDueFromEmployeeCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AmountsDueFromEmployeeCurrent_lbl" xml:lang="en">Amounts Due From Employee, not to include stockholders or officers, which are usually due within 1 year (or one business cycle).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AmountsDueFromEmployeeCurrent_lbl" xml:lang="en">Amounts Due From Employee - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AmountsDueFromEmployeeCurrent_lbl" xml:lang="en">Due From Employee</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AmountsDueFromEmployeeCurrent_lbl" xml:lang="en">Amounts Due From Employee - Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AmountsDueFromEmployeeNoncurrent" xlink:label="exc-og_AmountsDueFromEmployeeNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AmountsDueFromEmployeeNoncurrent" xlink:to="exc-og_AmountsDueFromEmployeeNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AmountsDueFromEmployeeNoncurrent_lbl" xml:lang="en">Amounts Due From Employee, not to include stockholders or officers,  due beyond one year or one operating cycle.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AmountsDueFromEmployeeNoncurrent_lbl" xml:lang="en">Amounts Due From Employee - Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AmountsDueFromEmployeeNoncurrent_lbl" xml:lang="en">Due From Employee</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AmountsDueFromEmployeeNoncurrent_lbl" xml:lang="en">Amounts Due From Employee - Noncurrent - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AmountsDueFromJointVenturesCurrent" xlink:label="exc-og_AmountsDueFromJointVenturesCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AmountsDueFromJointVenturesCurrent" xlink:to="exc-og_AmountsDueFromJointVenturesCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AmountsDueFromJointVenturesCurrent_lbl" xml:lang="en">Amounts Due From Joint Ventures - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AmountsDueFromJointVenturesCurrent_lbl" xml:lang="en">Amounts Due From Joint Ventures - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AmountsDueFromJointVenturesCurrent_lbl" xml:lang="en">Amounts Due From Joint Ventures - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AmountsDueFromJointVenturesCurrent_lbl" xml:lang="en">Amounts Due From Joint Ventures - Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AmountsDueToEmployeeCurrent" xlink:label="exc-og_AmountsDueToEmployeeCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AmountsDueToEmployeeCurrent" xlink:to="exc-og_AmountsDueToEmployeeCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AmountsDueToEmployeeCurrent_lbl" xml:lang="en">Amounts due to Employee, not to include stockholders or officers, which are usually due within 1 year (or one business cycle).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AmountsDueToEmployeeCurrent_lbl" xml:lang="en">Amounts Due To Employee - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AmountsDueToEmployeeCurrent_lbl" xml:lang="en">Due to Employee</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AmountsDueToEmployeeCurrent_lbl" xml:lang="en">Amounts Due To Employee - Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AmountsDueToEmployeeNoncurrent" xlink:label="exc-og_AmountsDueToEmployeeNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AmountsDueToEmployeeNoncurrent" xlink:to="exc-og_AmountsDueToEmployeeNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AmountsDueToEmployeeNoncurrent_lbl" xml:lang="en">Amounts due to Employee, not to include stockholders or officers, due beyond one year or one operating cycle</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AmountsDueToEmployeeNoncurrent_lbl" xml:lang="en">Amounts Due To Employee - Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AmountsDueToEmployeeNoncurrent_lbl" xml:lang="en">Due to Employee</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AmountsDueToEmployeeNoncurrent_lbl" xml:lang="en">Amounts Due To Employee - Noncurrent - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AmountsReceivableFromParent" xlink:label="exc-og_AmountsReceivableFromParent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AmountsReceivableFromParent" xlink:to="exc-og_AmountsReceivableFromParent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AmountsReceivableFromParent_lbl" xml:lang="en">Receivable from parent.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AmountsReceivableFromParent_lbl" xml:lang="en">Receivable from Parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AmountsReceivableFromParent_lbl" xml:lang="en">Receivable from Parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AmountsReceivableFromParent_lbl" xml:lang="en">Receivable from Parent - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AntiDilutedNumberSharesOutstanding" xlink:label="exc-og_AntiDilutedNumberSharesOutstanding"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AntiDilutedNumberSharesOutstanding" xlink:to="exc-og_AntiDilutedNumberSharesOutstanding_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AntiDilutedNumberSharesOutstanding_lbl" xml:lang="en">An anti-dilutive element, in the calculation of fully diluted EPS, is a security or option that would have the effect of increasing EPS if converted; such instruments are excluded from the calculation of fully-diluted EPS.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AntiDilutedNumberSharesOutstanding_lbl" xml:lang="en">AntiDiluted Shares Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AntiDilutedNumberSharesOutstanding_lbl" xml:lang="en">AntiDiluted Shares Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AntiDilutedNumberSharesOutstanding_lbl" xml:lang="en">AntiDiluted Shares Outstanding - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ApplicableCommonStockholdersBasicEarningsPerShareNetIncome" xlink:label="exc-og_ApplicableCommonStockholdersBasicEarningsPerShareNetIncome"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ApplicableCommonStockholdersBasicEarningsPerShareNetIncome" xlink:to="exc-og_ApplicableCommonStockholdersBasicEarningsPerShareNetIncome_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ApplicableCommonStockholdersBasicEarningsPerShareNetIncome_lbl" xml:lang="en">Applicable Common Stockholders Basic Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ApplicableCommonStockholdersBasicEarningsPerShareNetIncome_lbl" xml:lang="en">Applicable Common Stockholders Basic Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ApplicableCommonStockholdersBasicEarningsPerShareNetIncome_lbl" xml:lang="en">Applicable Common Stockholders Basic Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ApplicableCommonStockholdersBasicEarningsPerShareNetIncome_lbl" xml:lang="en">Applicable Common Stockholders Basic Per Share - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ApplicableCommonStockholdersDilutedEarningsPerShareNetIncome" xlink:label="exc-og_ApplicableCommonStockholdersDilutedEarningsPerShareNetIncome"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ApplicableCommonStockholdersDilutedEarningsPerShareNetIncome" xlink:to="exc-og_ApplicableCommonStockholdersDilutedEarningsPerShareNetIncome_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ApplicableCommonStockholdersDilutedEarningsPerShareNetIncome_lbl" xml:lang="en">Applicable Common Stockholders Diluted Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ApplicableCommonStockholdersDilutedEarningsPerShareNetIncome_lbl" xml:lang="en">Applicable Common Stockholders Diluted Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ApplicableCommonStockholdersDilutedEarningsPerShareNetIncome_lbl" xml:lang="en">Applicable Common Stockholders Diluted Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ApplicableCommonStockholdersDilutedEarningsPerShareNetIncome_lbl" xml:lang="en">Applicable Common Stockholders Diluted Per Share - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AppropriationFutureDividendsAppropriatedRetainedEarnings" xlink:label="exc-og_AppropriationFutureDividendsAppropriatedRetainedEarnings"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AppropriationFutureDividendsAppropriatedRetainedEarnings" xlink:to="exc-og_AppropriationFutureDividendsAppropriatedRetainedEarnings_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AppropriationFutureDividendsAppropriatedRetainedEarnings_lbl" xml:lang="en">Appropriation of retained earnings for future dividends to appropriated retained earnings.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AppropriationFutureDividendsAppropriatedRetainedEarnings_lbl" xml:lang="en">Appropriation of Retained Earnings for Future Dividends - Appropriated</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AppropriationFutureDividendsAppropriatedRetainedEarnings_lbl" xml:lang="en">Appropriation of Retained Earnings for Future Dividends - Appropriated</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AppropriationFutureDividendsAppropriatedRetainedEarnings_lbl" xml:lang="en">Appropriation of Retained Earnings for Future Dividends - Appropriated - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AppropriationFutureDividendsUnappropriatedRetainedEarnings" xlink:label="exc-og_AppropriationFutureDividendsUnappropriatedRetainedEarnings"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AppropriationFutureDividendsUnappropriatedRetainedEarnings" xlink:to="exc-og_AppropriationFutureDividendsUnappropriatedRetainedEarnings_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AppropriationFutureDividendsUnappropriatedRetainedEarnings_lbl" xml:lang="en">Appropriation of retained earnings for future dividends from unappropriated retained earnings.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AppropriationFutureDividendsUnappropriatedRetainedEarnings_lbl" xml:lang="en">Appropriation of Retained Earnings for Future Dividends - Unappropriated</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AppropriationFutureDividendsUnappropriatedRetainedEarnings_lbl" xml:lang="en">Appropriation of Retained Earnings for Future Dividends - Unappropriated</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AppropriationFutureDividendsUnappropriatedRetainedEarnings_lbl" xml:lang="en">Appropriation of Retained Earnings for Future Dividends - Unappropriated - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ArbitrationAward" xlink:label="exc-og_ArbitrationAward"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ArbitrationAward" xlink:to="exc-og_ArbitrationAward_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ArbitrationAward_lbl" xml:lang="en">An arbitration award is an amount agreed upon by an informal hearing regarding a dispute. The dispute is judged by a group of people (generally three) who have been selected by an impartial panel. Once a decision has been reached, there is no further appeal process.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ArbitrationAward_lbl" xml:lang="en">Arbitration Award</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ArbitrationAward_lbl" xml:lang="en">Arbitration Award</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ArbitrationAward_lbl" xml:lang="en">Arbitration Award - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AssetImpairmentChargeOther" xlink:label="exc-og_AssetImpairmentChargeOther"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AssetImpairmentChargeOther" xlink:to="exc-og_AssetImpairmentChargeOther_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AssetImpairmentChargeOther_lbl" xml:lang="en">Other impairment losses measured as the amount by which the carrying amount of the asset exceeds the fair value of the asset not otherwise defined</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AssetImpairmentChargeOther_lbl" xml:lang="en">Other Asset Impairment Charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AssetImpairmentChargeOther_lbl" xml:lang="en">Other Asset Impairment Charge</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AssetImpairmentChargeOther_lbl" xml:lang="en">Other Asset Impairment Charges - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AssetRecoverableElectricCosts" xlink:label="exc-og_AssetRecoverableElectricCosts"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AssetRecoverableElectricCosts" xlink:to="exc-og_AssetRecoverableElectricCosts_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AssetRecoverableElectricCosts_lbl" xml:lang="en">Asset Recoverable Gas Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AssetRecoverableElectricCosts_lbl" xml:lang="en">Asset Recoverable Electric Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AssetRecoverableElectricCosts_lbl" xml:lang="en">Asset Recoverable Gas Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AssetRecoverableElectricCosts_lbl" xml:lang="en">Asset Recoverable Electric Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AssetRecoverableGasCosts" xlink:label="exc-og_AssetRecoverableGasCosts"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AssetRecoverableGasCosts" xlink:to="exc-og_AssetRecoverableGasCosts_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AssetRecoverableGasCosts_lbl" xml:lang="en">Asset Recoverable Gas Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AssetRecoverableGasCosts_lbl" xml:lang="en">Asset Recoverable Gas Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AssetRecoverableGasCosts_lbl" xml:lang="en">Asset Recoverable Gas Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AssetRecoverableGasCosts_lbl" xml:lang="en">Asset Recoverable Gas Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AssetRecoveryDamagedPropertyCostsCurrent" xlink:label="exc-og_AssetRecoveryDamagedPropertyCostsCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AssetRecoveryDamagedPropertyCostsCurrent" xlink:to="exc-og_AssetRecoveryDamagedPropertyCostsCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AssetRecoveryDamagedPropertyCostsCurrent_lbl" xml:lang="en">Asset Recovery Damaged Property Costs -Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AssetRecoveryDamagedPropertyCostsCurrent_lbl" xml:lang="en">Asset Recovery Damaged Property Costs -Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AssetRecoveryDamagedPropertyCostsCurrent_lbl" xml:lang="en">Asset Recovery Damaged Property Costs -Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AssetRecoveryDamagedPropertyCostsCurrent_lbl" xml:lang="en">Asset Recovery Damaged Property Costs -Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AssetRecoveryDamagedPropertyCostsNoncurrent" xlink:label="exc-og_AssetRecoveryDamagedPropertyCostsNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AssetRecoveryDamagedPropertyCostsNoncurrent" xlink:to="exc-og_AssetRecoveryDamagedPropertyCostsNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AssetRecoveryDamagedPropertyCostsNoncurrent_lbl" xml:lang="en">Asset Recovery Damaged Property Costs -Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AssetRecoveryDamagedPropertyCostsNoncurrent_lbl" xml:lang="en">Asset Recovery Damaged Property Costs -Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AssetRecoveryDamagedPropertyCostsNoncurrent_lbl" xml:lang="en">Asset Recovery Damaged Property Costs -Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AssetRecoveryDamagedPropertyCostsNoncurrent_lbl" xml:lang="en">Asset Recovery Damaged Property Costs -Noncurrent - Total</label>
    <loc xlink:type="locator" xlink:href="http://www.xbrl.org/us/fr/common/pte/2005-02-28/usfr-pte-2005-02-28.xsd#usfr-pte_AssetRetirementObligation" xlink:label="usfr-pte_AssetRetirementObligation"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="usfr-pte_AssetRetirementObligation" xlink:to="usfr-pte_AssetRetirementObligation_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="usfr-pte_AssetRetirementObligation_lbl" xml:lang="en">The legal obligations to perform activities related to the retirement of long-lived .</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="usfr-pte_AssetRetirementObligation_lbl" xml:lang="en">Asset retirement obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="usfr-pte_AssetRetirementObligation_lbl" xml:lang="en">Asset retirement obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="usfr-pte_AssetRetirementObligation_lbl" xml:lang="en">Asset retirement obligations</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AssetRetirementObligationCurrent" xlink:label="exc-og_AssetRetirementObligationCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AssetRetirementObligationCurrent" xlink:to="exc-og_AssetRetirementObligationCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AssetRetirementObligationCurrent_lbl" xml:lang="en">Current portion of long-term asset retirement obligation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AssetRetirementObligationCurrent_lbl" xml:lang="en">Asset retirement obligation, current portion</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AssetRetirementObligationCurrent_lbl" xml:lang="en">Asset retirement Obligation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AssetRetirementObligationCurrent_lbl" xml:lang="en">Asset retirement obligation, current portion - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AssetRetirementObligationExpense" xlink:label="exc-og_AssetRetirementObligationExpense"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AssetRetirementObligationExpense" xlink:to="exc-og_AssetRetirementObligationExpense_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AssetRetirementObligationExpense_lbl" xml:lang="en">Expenses incurred for the asset retirement obligation.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AssetRetirementObligationExpense_lbl" xml:lang="en">Asset Retirement Obligation Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AssetRetirementObligationExpense_lbl" xml:lang="en">Asset Retirement Obligation Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AssetRetirementObligationExpense_lbl" xml:lang="en">Asset Retirement Obligation Expense - Total</label>
    <loc xlink:type="locator" xlink:href="http://www.xbrl.org/us/fr/common/pte/2005-02-28/usfr-pte-2005-02-28.xsd#usfr-pte_Assets" xlink:label="usfr-pte_Assets"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="usfr-pte_Assets" xlink:to="usfr-pte_Assets_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="usfr-pte_Assets_lbl" xml:lang="en">Probable future economic benefit obtained or controlled by an entity.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="usfr-pte_Assets_lbl" xml:lang="en">Total assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="usfr-pte_Assets_lbl" xml:lang="en">Total assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="usfr-pte_Assets_lbl" xml:lang="en">Total assets</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AssetsFromEnergyTradingActivityCurrent" xlink:label="exc-og_AssetsFromEnergyTradingActivityCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AssetsFromEnergyTradingActivityCurrent" xlink:to="exc-og_AssetsFromEnergyTradingActivityCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AssetsFromEnergyTradingActivityCurrent_lbl" xml:lang="en">Current assets arising from energy trading activities involve the purchase and sale of energy under forward contracts at fixed and variable prices and the buying and selling of financial energy contracts which include exchange futures and options and over-the-counter options and swaps. Although trading contracts are generally short-term, there are also long-term trading contracts. We recognize revenues from trading activities generally based on changes in the fair value of open energy trading contracts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AssetsFromEnergyTradingActivityCurrent_lbl" xml:lang="en">Assets From Energy Trading Activity - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AssetsFromEnergyTradingActivityCurrent_lbl" xml:lang="en">Assets From Energy Trading Activity - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AssetsFromEnergyTradingActivityCurrent_lbl" xml:lang="en">Assets From Energy Trading Activity - Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AssetsFromPriceRiskManagementNoncurrent" xlink:label="exc-og_AssetsFromPriceRiskManagementNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AssetsFromPriceRiskManagementNoncurrent" xlink:to="exc-og_AssetsFromPriceRiskManagementNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AssetsFromPriceRiskManagementNoncurrent_lbl" xml:lang="en">Long-term assets from price risk management activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AssetsFromPriceRiskManagementNoncurrent_lbl" xml:lang="en">Assets from price risk management activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AssetsFromPriceRiskManagementNoncurrent_lbl" xml:lang="en">Assets from price risk management activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AssetsFromPriceRiskManagementNoncurrent_lbl" xml:lang="en">Assets from price risk management activities - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_AustralianElectricOtherNet" xlink:label="exc-og_AustralianElectricOtherNet"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_AustralianElectricOtherNet" xlink:to="exc-og_AustralianElectricOtherNet_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_AustralianElectricOtherNet_lbl" xml:lang="en">Australian Electric and Other Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_AustralianElectricOtherNet_lbl" xml:lang="en">Australian Electric and Other Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_AustralianElectricOtherNet_lbl" xml:lang="en">Australian Electric and Other Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_AustralianElectricOtherNet_lbl" xml:lang="en">Australian Electric and Other Net - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_BalanceSheetUnknownSubtotal" xlink:label="exc-og_BalanceSheetUnknownSubtotal"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_BalanceSheetUnknownSubtotal" xlink:to="exc-og_BalanceSheetUnknownSubtotal_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_BalanceSheetUnknownSubtotal_lbl" xml:lang="en">Balance Sheet Unknown Subtotal</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_BalanceSheetUnknownSubtotal_lbl" xml:lang="en">Total deferred debits and other assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_BalanceSheetUnknownSubtotal_lbl" xml:lang="en">Total deferred credits and other liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_BalanceSheetUnknownSubtotal_lbl" xml:lang="en">Total deferred debits and other assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_BalanceSheetUnknownSubtotal_lbl" xml:lang="en">Total deferred credits and other liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_BalanceSheetUnknownSubtotal_lbl" xml:lang="en">Total deferred debits and other assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_BalanceSheetUnknownSubtotal_lbl" xml:lang="en">Total deferred credits and other liabilities</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_BankDebtCurrent" xlink:label="exc-og_BankDebtCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_BankDebtCurrent" xlink:to="exc-og_BankDebtCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_BankDebtCurrent_lbl" xml:lang="en">Current Bank Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_BankDebtCurrent_lbl" xml:lang="en">Bank Debt - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_BankDebtCurrent_lbl" xml:lang="en">Bank Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_BankDebtCurrent_lbl" xml:lang="en">Bank Debt - Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_BasicDilutedEarningsPerShareNetIncome" xlink:label="exc-og_BasicDilutedEarningsPerShareNetIncome"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_BasicDilutedEarningsPerShareNetIncome" xlink:to="exc-og_BasicDilutedEarningsPerShareNetIncome_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_BasicDilutedEarningsPerShareNetIncome_lbl" xml:lang="en">Earnings (net income) per Basic and Diluted Share.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_BasicDilutedEarningsPerShareNetIncome_lbl" xml:lang="en">Basic and Diluted Earnings Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_BasicDilutedEarningsPerShareNetIncome_lbl" xml:lang="en">Basic and Diluted Earnings Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_BasicDilutedEarningsPerShareNetIncome_lbl" xml:lang="en">Basic and Diluted Earnings Per Share - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_BasicDilutedEarningsPerShareNetIncomeAbstract" xlink:label="exc-og_BasicDilutedEarningsPerShareNetIncomeAbstract"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_BasicDilutedEarningsPerShareNetIncomeAbstract" xlink:to="exc-og_BasicDilutedEarningsPerShareNetIncomeAbstract_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_BasicDilutedEarningsPerShareNetIncomeAbstract_lbl" xml:lang="en">Earnings (net income) per Basic and Diluted Share.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_BasicDilutedEarningsPerShareNetIncomeAbstract_lbl" xml:lang="en">Basic and Diluted Earnings Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_BasicDilutedEarningsPerShareNetIncomeAbstract_lbl" xml:lang="en">Basic and Diluted Earnings Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_BasicDilutedEarningsPerShareNetIncomeAbstract_lbl" xml:lang="en">Basic and Diluted Earnings Per Share - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_BasicDilutedEarningsPerShareNetIncomeAdjustment" xlink:label="exc-og_BasicDilutedEarningsPerShareNetIncomeAdjustment"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_BasicDilutedEarningsPerShareNetIncomeAdjustment" xlink:to="exc-og_BasicDilutedEarningsPerShareNetIncomeAdjustment_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_BasicDilutedEarningsPerShareNetIncomeAdjustment_lbl" xml:lang="en">Adjustment to Basic and Diluted earnings (net income) per Outstanding Share.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_BasicDilutedEarningsPerShareNetIncomeAdjustment_lbl" xml:lang="en">Basic and Diluted Earnings Per Share Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_BasicDilutedEarningsPerShareNetIncomeAdjustment_lbl" xml:lang="en">Basic and Diluted Earnings Per Share Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_BasicDilutedEarningsPerShareNetIncomeAdjustment_lbl" xml:lang="en">Basic and Diluted Earnings Per Share Adjustment - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_BasicDilutedEarningsPerShareNetIncomeBeforeAdjustment" xlink:label="exc-og_BasicDilutedEarningsPerShareNetIncomeBeforeAdjustment"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_BasicDilutedEarningsPerShareNetIncomeBeforeAdjustment" xlink:to="exc-og_BasicDilutedEarningsPerShareNetIncomeBeforeAdjustment_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_BasicDilutedEarningsPerShareNetIncomeBeforeAdjustment_lbl" xml:lang="en">Basic  and Diluted earnings (net income) per Outstanding Share Before Adjustment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_BasicDilutedEarningsPerShareNetIncomeBeforeAdjustment_lbl" xml:lang="en">Basic and Diluted Earnings Per Share Before Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_BasicDilutedEarningsPerShareNetIncomeBeforeAdjustment_lbl" xml:lang="en">Basic and Diluted Earnings Per Share Before Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_BasicDilutedEarningsPerShareNetIncomeBeforeAdjustment_lbl" xml:lang="en">Basic and Diluted Earnings Per Share Before Adjustment - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_BasicDilutedEarningsPerShareProForma" xlink:label="exc-og_BasicDilutedEarningsPerShareProForma"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_BasicDilutedEarningsPerShareProForma" xlink:to="exc-og_BasicDilutedEarningsPerShareProForma_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_BasicDilutedEarningsPerShareProForma_lbl" xml:lang="en">ProForma Diluted Earnings Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_BasicDilutedEarningsPerShareProForma_lbl" xml:lang="en">Diluted Earnings Per Share Pro Forma</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_BasicDilutedEarningsPerShareProForma_lbl" xml:lang="en">Diluted Earnings Per Share Pro Forma</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_BasicDilutedEarningsPerShareProForma_lbl" xml:lang="en">Diluted Earnings Per Share Pro Forma - Total</label>
    <loc xlink:type="locator" xlink:href="http://www.xbrl.org/us/fr/common/pte/2005-02-28/usfr-pte-2005-02-28.xsd#usfr-pte_BasicEarningsPerShareNetIncome" xlink:label="usfr-pte_BasicEarningsPerShareNetIncome"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="usfr-pte_BasicEarningsPerShareNetIncome" xlink:to="usfr-pte_BasicEarningsPerShareNetIncome_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="usfr-pte_BasicEarningsPerShareNetIncome_lbl" xml:lang="en">Basic earnings (net income) per Outstanding Share.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="usfr-pte_BasicEarningsPerShareNetIncome_lbl" xml:lang="en">Net income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="usfr-pte_BasicEarningsPerShareNetIncome_lbl" xml:lang="en">Net income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="usfr-pte_BasicEarningsPerShareNetIncome_lbl" xml:lang="en">Net income</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_BasicEarningsPerShareNetIncomeAdjustment" xlink:label="exc-og_BasicEarningsPerShareNetIncomeAdjustment"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_BasicEarningsPerShareNetIncomeAdjustment" xlink:to="exc-og_BasicEarningsPerShareNetIncomeAdjustment_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_BasicEarningsPerShareNetIncomeAdjustment_lbl" xml:lang="en">Adjustment to Basic earnings (net income) per Outstanding Share.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_BasicEarningsPerShareNetIncomeAdjustment_lbl" xml:lang="en">Basic Earnings Per Share Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_BasicEarningsPerShareNetIncomeAdjustment_lbl" xml:lang="en">Basic Earnings Per Share Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_BasicEarningsPerShareNetIncomeAdjustment_lbl" xml:lang="en">Basic Earnings Per Share Adjustment - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_BasicEarningsPerShareNetIncomeBeforeAdjustment" xlink:label="exc-og_BasicEarningsPerShareNetIncomeBeforeAdjustment"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_BasicEarningsPerShareNetIncomeBeforeAdjustment" xlink:to="exc-og_BasicEarningsPerShareNetIncomeBeforeAdjustment_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_BasicEarningsPerShareNetIncomeBeforeAdjustment_lbl" xml:lang="en">Basic earnings (net income) per Outstanding Share Before Adjustment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_BasicEarningsPerShareNetIncomeBeforeAdjustment_lbl" xml:lang="en">Basic Earnings Per Share Before Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_BasicEarningsPerShareNetIncomeBeforeAdjustment_lbl" xml:lang="en">Basic Earnings Per Share Before Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_BasicEarningsPerShareNetIncomeBeforeAdjustment_lbl" xml:lang="en">Basic Earnings Per Share Before Adjustment - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_BasicEarningsPerShareNetIncomeProForma" xlink:label="exc-og_BasicEarningsPerShareNetIncomeProForma"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_BasicEarningsPerShareNetIncomeProForma" xlink:to="exc-og_BasicEarningsPerShareNetIncomeProForma_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_BasicEarningsPerShareNetIncomeProForma_lbl" xml:lang="en">ProForma Basic Earnings Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_BasicEarningsPerShareNetIncomeProForma_lbl" xml:lang="en">Basic Earnings Per Share Pro Forma</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_BasicEarningsPerShareNetIncomeProForma_lbl" xml:lang="en">Basic Earnings Per Share Pro Forma</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_BasicEarningsPerShareNetIncomeProForma_lbl" xml:lang="en">Basic Earnings Per Share Pro Forma - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_BasicPerShareGeneralPartnersDistributions" xlink:label="exc-og_BasicPerShareGeneralPartnersDistributions"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_BasicPerShareGeneralPartnersDistributions" xlink:to="exc-og_BasicPerShareGeneralPartnersDistributions_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_BasicPerShareGeneralPartnersDistributions_lbl" xml:lang="en">Basic Per Share Distributions from earnings to members of a partnership.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_BasicPerShareGeneralPartnersDistributions_lbl" xml:lang="en">Basic Per Share Distributions from earnings to members of a partnership.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_BasicPerShareGeneralPartnersDistributions_lbl" xml:lang="en">Basic Per Share Distributions from earnings to members of a partnership.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_BasicPerShareGeneralPartnersDistributions_lbl" xml:lang="en">Basic Per Share Distributions from earnings to members of a partnership. - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_BasicPerSharePreferredStockDividends" xlink:label="exc-og_BasicPerSharePreferredStockDividends"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_BasicPerSharePreferredStockDividends" xlink:to="exc-og_BasicPerSharePreferredStockDividends_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_BasicPerSharePreferredStockDividends_lbl" xml:lang="en">Basic Per Share Dividends paid to preferred shareholders.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_BasicPerSharePreferredStockDividends_lbl" xml:lang="en">Basic Per Share Dividends paid to preferred shareholders.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_BasicPerSharePreferredStockDividends_lbl" xml:lang="en">Basic Per Share Dividends paid to preferred shareholders.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_BasicPerSharePreferredStockDividends_lbl" xml:lang="en">Basic Per Share Dividends paid to preferred shareholders. - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_BondPremiumDiscountsAmortization" xlink:label="exc-og_BondPremiumDiscountsAmortization"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_BondPremiumDiscountsAmortization" xlink:to="exc-og_BondPremiumDiscountsAmortization_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_BondPremiumDiscountsAmortization_lbl" xml:lang="en">Amortization or accretion of bond premiums and discounts reported in the income statement that are needed to adjust net income to a cash basis</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_BondPremiumDiscountsAmortization_lbl" xml:lang="en">Amortization - Bond Premium and Discounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_BondPremiumDiscountsAmortization_lbl" xml:lang="en">Amortization of Bond Premium and Discounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_BondPremiumDiscountsAmortization_lbl" xml:lang="en">Amortization - Bond Premium and Discounts - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_BorrowingsFromMoneyPool" xlink:label="exc-og_BorrowingsFromMoneyPool"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_BorrowingsFromMoneyPool" xlink:to="exc-og_BorrowingsFromMoneyPool_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_BorrowingsFromMoneyPool_lbl" xml:lang="en">Borrowings from money pool.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_BorrowingsFromMoneyPool_lbl" xml:lang="en">Borrowings from Money Pool</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_BorrowingsFromMoneyPool_lbl" xml:lang="en">Borrowings from Money Pool</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_BorrowingsFromMoneyPool_lbl" xml:lang="en">Borrowings from Money Pool - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_BorrowingsFromUnconsolidatedAffiliates" xlink:label="exc-og_BorrowingsFromUnconsolidatedAffiliates"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_BorrowingsFromUnconsolidatedAffiliates" xlink:to="exc-og_BorrowingsFromUnconsolidatedAffiliates_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_BorrowingsFromUnconsolidatedAffiliates_lbl" xml:lang="en">Borrowings from Unconsolidated Affilates.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_BorrowingsFromUnconsolidatedAffiliates_lbl" xml:lang="en">Borrowings from Unconsolidated Affilates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_BorrowingsFromUnconsolidatedAffiliates_lbl" xml:lang="en">Borrowings from Unconsolidated Affilates.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_BorrowingsFromUnconsolidatedAffiliates_lbl" xml:lang="en">Borrowings from Unconsolidated Affilates - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_BuildingBuildingImprovements" xlink:label="exc-og_BuildingBuildingImprovements"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_BuildingBuildingImprovements" xlink:to="exc-og_BuildingBuildingImprovements_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_BuildingBuildingImprovements_lbl" xml:lang="en">Structure and Items added to Buildings that have limited lifes, such as renovations including interior masonry, interior flooring, electrical, and plumbing</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_BuildingBuildingImprovements_lbl" xml:lang="en">Building and Building Improvements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_BuildingBuildingImprovements_lbl" xml:lang="en">Building and Building Improvements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_BuildingBuildingImprovements_lbl" xml:lang="en">Building and Building Improvements - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_BuildingImprovements" xlink:label="exc-og_BuildingImprovements"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_BuildingImprovements" xlink:to="exc-og_BuildingImprovements_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_BuildingImprovements_lbl" xml:lang="en">Items added to Buildings that have limited lifes, such as renovations including interior masonry, interior flooring, electrical, and plumbing</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_BuildingImprovements_lbl" xml:lang="en">Building Improvements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_BuildingImprovements_lbl" xml:lang="en">Building Improvements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_BuildingImprovements_lbl" xml:lang="en">Building Improvements - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_BuildingsLandNet" xlink:label="exc-og_BuildingsLandNet"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_BuildingsLandNet" xlink:to="exc-og_BuildingsLandNet_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_BuildingsLandNet_lbl" xml:lang="en">Buildings and land, net of depreciation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_BuildingsLandNet_lbl" xml:lang="en">Buildings and Land, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_BuildingsLandNet_lbl" xml:lang="en">Buildings and Land, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_BuildingsLandNet_lbl" xml:lang="en">Buildings and Land, Net - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_BusinessExitCostsChangesBalances" xlink:label="exc-og_BusinessExitCostsChangesBalances"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_BusinessExitCostsChangesBalances" xlink:to="exc-og_BusinessExitCostsChangesBalances_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_BusinessExitCostsChangesBalances_lbl" xml:lang="en">Costs resulting from the disposition or abandonment of operations or productive assets. These costs may be incurred in connection with a change in strategic plan, or a managerial response to declines in demand, increasing costs or other environmental factors.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_BusinessExitCostsChangesBalances_lbl" xml:lang="en">Adjustments to Reserve for Business Exit Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_BusinessExitCostsChangesBalances_lbl" xml:lang="en">Increase/(Decrease) in Reserve for Business Exit Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_BusinessExitCostsChangesBalances_lbl" xml:lang="en">Adjustments to Reserve for Business Exit Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CapitalContributionFromParentChanges" xlink:label="exc-og_CapitalContributionFromParentChanges"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CapitalContributionFromParentChanges" xlink:to="exc-og_CapitalContributionFromParentChanges_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CapitalContributionFromParentChanges_lbl" xml:lang="en">Capital contribution from parent.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CapitalContributionFromParentChanges_lbl" xml:lang="en">Capital contribution from parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CapitalContributionFromParentChanges_lbl" xml:lang="en">Capital contribution from parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CapitalContributionFromParentChanges_lbl" xml:lang="en">Capital contribution from parent - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CapitalDistribution" xlink:label="exc-og_CapitalDistribution"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CapitalDistribution" xlink:to="exc-og_CapitalDistribution_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CapitalDistribution_lbl" xml:lang="en">The term capital distribution means - (i) any dividend or other distribution in cash or in kind made with respect to any shares of, or other ownership interest in, an enterprise, except a dividend consisting only of shares of the enterprise; (ii) any</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CapitalDistribution_lbl" xml:lang="en">Capital Distribution</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CapitalDistribution_lbl" xml:lang="en">Capital Distribution</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CapitalDistribution_lbl" xml:lang="en">Capital Distribution - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_Capitalization" xlink:label="exc-og_Capitalization"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_Capitalization" xlink:to="exc-og_Capitalization_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_Capitalization_lbl" xml:lang="en">Capitalization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_Capitalization_lbl" xml:lang="en">Capitalization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_Capitalization_lbl" xml:lang="en">Total Capitalization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_Capitalization_lbl" xml:lang="en">Capitalization - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CapitalizedAssetRetirementCosts" xlink:label="exc-og_CapitalizedAssetRetirementCosts"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CapitalizedAssetRetirementCosts" xlink:to="exc-og_CapitalizedAssetRetirementCosts_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CapitalizedAssetRetirementCosts_lbl" xml:lang="en">Capitalized Asset Retirement Costs -Under the new accounting requirements, when an entity records a liability for an asset retirement obligation, it concurrently capitalizes that amount as part of the assets cost. Effectively, the fair value of the obligation becomes part of the overall cost of the asset, similar to other amounts that are capitalized as part of the assets construction or acquisition cost to separately identify these in the electric and gas utility plant records.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CapitalizedAssetRetirementCosts_lbl" xml:lang="en">Capitalized Asset Retirement Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CapitalizedAssetRetirementCosts_lbl" xml:lang="en">Capitalized Asset Retirement Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CapitalizedAssetRetirementCosts_lbl" xml:lang="en">Capitalized Asset Retirement Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CapitalizedInterestPortionInterestExpense" xlink:label="exc-og_CapitalizedInterestPortionInterestExpense"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CapitalizedInterestPortionInterestExpense" xlink:to="exc-og_CapitalizedInterestPortionInterestExpense_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CapitalizedInterestPortionInterestExpense_lbl" xml:lang="en">Interest that is not immediately expensed, but instead is treated as an asset an amortized over time on the income statement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CapitalizedInterestPortionInterestExpense_lbl" xml:lang="en">Capitalized Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CapitalizedInterestPortionInterestExpense_lbl" xml:lang="en">Capitalized Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CapitalizedInterestPortionInterestExpense_lbl" xml:lang="en">Capitalized Interest - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CapitalLeasedAssetsNet" xlink:label="exc-og_CapitalLeasedAssetsNet"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CapitalLeasedAssetsNet" xlink:to="exc-og_CapitalLeasedAssetsNet_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CapitalLeasedAssetsNet_lbl" xml:lang="en">Tangible assets financed by a capital lease agreement, net of adjustments and depreciation.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CapitalLeasedAssetsNet_lbl" xml:lang="en">Capital Leased Assets, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CapitalLeasedAssetsNet_lbl" xml:lang="en">Capital Leased Assets, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CapitalLeasedAssetsNet_lbl" xml:lang="en">Capital Leased Assets, Net - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CarryingCosts" xlink:label="exc-og_CarryingCosts"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CarryingCosts" xlink:to="exc-og_CarryingCosts_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CarryingCosts_lbl" xml:lang="en">Carrying Costs are costs incurred in order to retain exploration and property rights after acquisition but before production has occurred. Such costs include legal costs for title defense, ad valorem taxes on non-producing mineral properties, shut-in royalties, and delay rentals.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CarryingCosts_lbl" xml:lang="en">Carrying Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CarryingCosts_lbl" xml:lang="en">Carrying Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CarryingCosts_lbl" xml:lang="en">Carrying Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CashAcquiredFromAcquisition" xlink:label="exc-og_CashAcquiredFromAcquisition"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CashAcquiredFromAcquisition" xlink:to="exc-og_CashAcquiredFromAcquisition_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CashAcquiredFromAcquisition_lbl" xml:lang="en">Cash Acquired From Acquisition</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CashAcquiredFromAcquisition_lbl" xml:lang="en">Cash Acquired From Acquisition</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CashAcquiredFromAcquisition_lbl" xml:lang="en">Cash Acquired From Acquisition</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CashAcquiredFromAcquisition_lbl" xml:lang="en">Cash Acquired From Acquisition - Total</label>
    <loc xlink:type="locator" xlink:href="http://www.xbrl.org/us/fr/common/pte/2005-02-28/usfr-pte-2005-02-28.xsd#usfr-pte_CashCashEquivalents" xlink:label="usfr-pte_CashCashEquivalents"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="usfr-pte_CashCashEquivalents" xlink:to="usfr-pte_CashCashEquivalents_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="usfr-pte_CashCashEquivalents_lbl" xml:lang="en">Cash and short-term, highly liquid investments that are readily convertible to known amounts of cash and are so near their maturity that they present negligible risk of changes in value due to changes in interest rates - usually with an original maturity less than 90 days, This includes restricted cash, treasury bills, commercial paper and money market funds and other operating cash balances.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="usfr-pte_CashCashEquivalents_lbl" xml:lang="en">Cash and cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="usfr-pte_CashCashEquivalents_lbl" xml:lang="en">Cash and cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="usfr-pte_CashCashEquivalents_lbl" xml:lang="en">Cash and cash equivalents</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CashCashEquivalentsAdjustment" xlink:label="exc-og_CashCashEquivalentsAdjustment"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CashCashEquivalentsAdjustment" xlink:to="exc-og_CashCashEquivalentsAdjustment_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CashCashEquivalentsAdjustment_lbl" xml:lang="en">Cash and cash equivalents adjustment to beginning period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CashCashEquivalentsAdjustment_lbl" xml:lang="en">Cash and cash equivalents adjustment to beginning period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CashCashEquivalentsAdjustment_lbl" xml:lang="en">Cash and cash equivalents adjustment to beginning period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CashCashEquivalentsAdjustment_lbl" xml:lang="en">Cash and cash equivalents adjustment to beginning period - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CashCashEquivalentsBeginningYear" xlink:label="exc-og_CashCashEquivalentsBeginningYear"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CashCashEquivalentsBeginningYear" xlink:to="exc-og_CashCashEquivalentsBeginningYear_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CashCashEquivalentsBeginningYear_lbl" xml:lang="en">Cash and cash equivalents at the beginning of the year.  Cash equivalents are short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.  Generally, only investments with original maturities of three months or less qualify under the definition.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CashCashEquivalentsBeginningYear_lbl" xml:lang="en">Cash and cash equivalents at beginning of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CashCashEquivalentsBeginningYear_lbl" xml:lang="en">Cash and cash equivalents at beginning of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CashCashEquivalentsBeginningYear_lbl" xml:lang="en">Cash and cash equivalents at beginning of period</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CashCashEquivalentsEndYear" xlink:label="exc-og_CashCashEquivalentsEndYear"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CashCashEquivalentsEndYear" xlink:to="exc-og_CashCashEquivalentsEndYear_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CashCashEquivalentsEndYear_lbl" xml:lang="en">Cash and cash equivalents at the end of the year.  Cash equivalents are short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.  Generally, only investments with original maturities of three months or less qualify under the definition.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CashCashEquivalentsEndYear_lbl" xml:lang="en">Cash and cash equivalents at end of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CashCashEquivalentsEndYear_lbl" xml:lang="en">Cash and cash equivalents at end of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CashCashEquivalentsEndYear_lbl" xml:lang="en">Cash and cash equivalents at end of period</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CashDividendAmountPerRedeemablePreferredShare" xlink:label="exc-og_CashDividendAmountPerRedeemablePreferredShare"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CashDividendAmountPerRedeemablePreferredShare" xlink:to="exc-og_CashDividendAmountPerRedeemablePreferredShare_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CashDividendAmountPerRedeemablePreferredShare_lbl" xml:lang="en">Redeemable Preferred Amount per share cash dividend declared and/or paid by an entity to shareholders shall be reported in the statement of income.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CashDividendAmountPerRedeemablePreferredShare_lbl" xml:lang="en">Cash Dividend Amount for Redeemable Preferred Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CashDividendAmountPerRedeemablePreferredShare_lbl" xml:lang="en">Cash Dividend Amount for Redeemable Preferred Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CashDividendAmountPerRedeemablePreferredShare_lbl" xml:lang="en">Cash Dividend Amount for Redeemable Preferred Per Share - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CashDividendAmountPerShare" xlink:label="exc-og_CashDividendAmountPerShare"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CashDividendAmountPerShare" xlink:to="exc-og_CashDividendAmountPerShare_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CashDividendAmountPerShare_lbl" xml:lang="en">Amount per share cash dividend declared and/or paid by an entity to shareholders shall be reported in the statement of Income.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CashDividendAmountPerShare_lbl" xml:lang="en">Dividends per common share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CashDividendAmountPerShare_lbl" xml:lang="en">Dividends per common share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CashDividendAmountPerShare_lbl" xml:lang="en">Dividends per common share</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CashDividendCommonStockRetainedEarningsAppropriated" xlink:label="exc-og_CashDividendCommonStockRetainedEarningsAppropriated"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CashDividendCommonStockRetainedEarningsAppropriated" xlink:to="exc-og_CashDividendCommonStockRetainedEarningsAppropriated_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CashDividendCommonStockRetainedEarningsAppropriated_lbl" xml:lang="en">Cash dividend declared and/or paid by an entity to common shareholders - retained earnings appropriated.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CashDividendCommonStockRetainedEarningsAppropriated_lbl" xml:lang="en">Cash Dividend - Common Stock - Retained Earnings Appropriated</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CashDividendCommonStockRetainedEarningsAppropriated_lbl" xml:lang="en">Cash Dividend - Common Stock - Retained Earnings Appropriated</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CashDividendCommonStockRetainedEarningsAppropriated_lbl" xml:lang="en">Cash Dividend - Common Stock - Retained Earnings Appropriated - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CashDividendCommonStockRetainedEarningsUnappropriated" xlink:label="exc-og_CashDividendCommonStockRetainedEarningsUnappropriated"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CashDividendCommonStockRetainedEarningsUnappropriated" xlink:to="exc-og_CashDividendCommonStockRetainedEarningsUnappropriated_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CashDividendCommonStockRetainedEarningsUnappropriated_lbl" xml:lang="en">Cash dividend declared and/or paid by an entity to common shareholders - retained earnings unappropriated.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CashDividendCommonStockRetainedEarningsUnappropriated_lbl" xml:lang="en">Cash Dividend - Common Stock - Retained Earnings Unappropriated</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CashDividendCommonStockRetainedEarningsUnappropriated_lbl" xml:lang="en">Cash Dividend - Common Stock - Retained Earnings Unappropriated</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CashDividendCommonStockRetainedEarningsUnappropriated_lbl" xml:lang="en">Cash Dividend - Common Stock - Retained Earnings Unappropriated - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CashFlowDiscontinuedOperationsAdjustment" xlink:label="exc-og_CashFlowDiscontinuedOperationsAdjustment"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CashFlowDiscontinuedOperationsAdjustment" xlink:to="exc-og_CashFlowDiscontinuedOperationsAdjustment_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CashFlowDiscontinuedOperationsAdjustment_lbl" xml:lang="en">Adjustment to discontinued operations not defined as operating, investing or financing activities. shall be classified as cash flows from Discontinued Operations when presented outside of operating, investing or financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CashFlowDiscontinuedOperationsAdjustment_lbl" xml:lang="en">Adjustment discontinue operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CashFlowDiscontinuedOperationsAdjustment_lbl" xml:lang="en">Adjustment discontinue operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CashFlowDiscontinuedOperationsAdjustment_lbl" xml:lang="en">Adjustment discontinue operations - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CashFlowStatementUnknownSubtotal" xlink:label="exc-og_CashFlowStatementUnknownSubtotal"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CashFlowStatementUnknownSubtotal" xlink:to="exc-og_CashFlowStatementUnknownSubtotal_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CashFlowStatementUnknownSubtotal_lbl" xml:lang="en">Cash Flow Statement Unknown Subtotal</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CashFlowStatementUnknownSubtotal_lbl" xml:lang="en">Cash Flow Statement Unknown Subtotal</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CashFlowStatementUnknownSubtotal_lbl" xml:lang="en">Cash Flow Statement Unknown Subtotal</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CashFlowStatementUnknownSubtotal_lbl" xml:lang="en">Cash Flow Statement Unknown Subtotal - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CashPortionAcquisitionPurchasePrice" xlink:label="exc-og_CashPortionAcquisitionPurchasePrice"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CashPortionAcquisitionPurchasePrice" xlink:to="exc-og_CashPortionAcquisitionPurchasePrice_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CashPortionAcquisitionPurchasePrice_lbl" xml:lang="en">The Cash Portion of Acquisition of Business; it's a component of cash outflows from investing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CashPortionAcquisitionPurchasePrice_lbl" xml:lang="en">Cash Portion Acquisition Purchase Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CashPortionAcquisitionPurchasePrice_lbl" xml:lang="en">Cash Portion Acquisition Purchase Price</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CashPortionAcquisitionPurchasePrice_lbl" xml:lang="en">Cash Portion Acquisition Purchase Price - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeAccountsNotesReceivable" xlink:label="exc-og_ChangeAccountsNotesReceivable"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeAccountsNotesReceivable" xlink:to="exc-og_ChangeAccountsNotesReceivable_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeAccountsNotesReceivable_lbl" xml:lang="en">The net change in the beginning and end of period  of receivables arising from the accounts and notes, which are usually due within 1 year (or one business cycle).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeAccountsNotesReceivable_lbl" xml:lang="en">Change Accounts Notes Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeAccountsNotesReceivable_lbl" xml:lang="en">Change Accounts Notes Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeAccountsNotesReceivable_lbl" xml:lang="en">Change Accounts Notes Receivable - Total</label>
    <loc xlink:type="locator" xlink:href="http://www.xbrl.org/us/fr/common/pte/2005-02-28/usfr-pte-2005-02-28.xsd#usfr-pte_ChangeAccountsPayableAccruedExpenses" xlink:label="usfr-pte_ChangeAccountsPayableAccruedExpenses"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="usfr-pte_ChangeAccountsPayableAccruedExpenses" xlink:to="usfr-pte_ChangeAccountsPayableAccruedExpenses_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="usfr-pte_ChangeAccountsPayableAccruedExpenses_lbl" xml:lang="en">The net change in the beginning and end of period Accounts Payable and Accrued Expenses balances.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="usfr-pte_ChangeAccountsPayableAccruedExpenses_lbl" xml:lang="en">Accounts payable, accrued expenses and other current liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="usfr-pte_ChangeAccountsPayableAccruedExpenses_lbl" xml:lang="en">Accounts payable, accrued expenses and other current liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="usfr-pte_ChangeAccountsPayableAccruedExpenses_lbl" xml:lang="en">Accounts payable, accrued expenses and other current liabilities</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeAccountsReceivable" xlink:label="exc-og_ChangeAccountsReceivable"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeAccountsReceivable" xlink:to="exc-og_ChangeAccountsReceivable_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeAccountsReceivable_lbl" xml:lang="en">The net change in the beginning and end of period accounts receivable balances arising from the sale of goods and services provided in the normal course of business, which are usually due within 12 months or one business cycle.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeAccountsReceivable_lbl" xml:lang="en">Accounts receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeAccountsReceivable_lbl" xml:lang="en">Accounts receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeAccountsReceivable_lbl" xml:lang="en">Accounts receivable</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeAccruedExpensesAbstract" xlink:label="exc-og_ChangeAccruedExpensesAbstract"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeAccruedExpensesAbstract" xlink:to="exc-og_ChangeAccruedExpensesAbstract_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeAccruedExpensesAbstract_lbl" xml:lang="en">The net change in the beginning and end of period Accrued Expenses balances.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeAccruedExpensesAbstract_lbl" xml:lang="en">Increase/(Decrease) in Accrued Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeAccruedExpensesAbstract_lbl" xml:lang="en">Accrued Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeAccruedExpensesAbstract_lbl" xml:lang="en">Increase/(Decrease) in Accrued Expenses - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeAccruedProductPurchases" xlink:label="exc-og_ChangeAccruedProductPurchases"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeAccruedProductPurchases" xlink:to="exc-og_ChangeAccruedProductPurchases_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeAccruedProductPurchases_lbl" xml:lang="en">Accrued Product Purchases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeAccruedProductPurchases_lbl" xml:lang="en">Accrued Product Purchases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeAccruedProductPurchases_lbl" xml:lang="en">Accrued Product Purchases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeAccruedProductPurchases_lbl" xml:lang="en">Accrued Product Purchases - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeAccruedProductShortages" xlink:label="exc-og_ChangeAccruedProductShortages"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeAccruedProductShortages" xlink:to="exc-og_ChangeAccruedProductShortages_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeAccruedProductShortages_lbl" xml:lang="en">Accrued Product Shortages</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeAccruedProductShortages_lbl" xml:lang="en">Accrued Product Shortages</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeAccruedProductShortages_lbl" xml:lang="en">Accrued Product Shortages</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeAccruedProductShortages_lbl" xml:lang="en">Accrued Product Shortages - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeAdjustmentAccumulatedOtherComprehensiveIncomeDueConsolidation" xlink:label="exc-og_ChangeAdjustmentAccumulatedOtherComprehensiveIncomeDueConsolidation"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeAdjustmentAccumulatedOtherComprehensiveIncomeDueConsolidation" xlink:to="exc-og_ChangeAdjustmentAccumulatedOtherComprehensiveIncomeDueConsolidation_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeAdjustmentAccumulatedOtherComprehensiveIncomeDueConsolidation_lbl" xml:lang="en">The change in other comprehensive income, net of tax effects, due to the consolidation of an entity into the company.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeAdjustmentAccumulatedOtherComprehensiveIncomeDueConsolidation_lbl" xml:lang="en">Increase/(Decrease) in Adjustment to Accumulated Other Comprehensive Income Due To Consolidation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeAdjustmentAccumulatedOtherComprehensiveIncomeDueConsolidation_lbl" xml:lang="en">Other Accumulated Comprehensive Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeAdjustmentAccumulatedOtherComprehensiveIncomeDueConsolidation_lbl" xml:lang="en">Increase/(Decrease) in Adjustment to Accumulated Other Comprehensive Income Due To Consolidation - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeAmountsDueFromAffiliatesCurrent" xlink:label="exc-og_ChangeAmountsDueFromAffiliatesCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeAmountsDueFromAffiliatesCurrent" xlink:to="exc-og_ChangeAmountsDueFromAffiliatesCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeAmountsDueFromAffiliatesCurrent_lbl" xml:lang="en">The net change in current receivables (due within one year or one operating cycle) to be collected from an entity that is controlling, under the control of, or within the same control group as the reporting entity by means of direct or indirect ownership.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeAmountsDueFromAffiliatesCurrent_lbl" xml:lang="en">Increase/(Decrease) in Amounts Due From Affiliates - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeAmountsDueFromAffiliatesCurrent_lbl" xml:lang="en">Due from Affiliates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeAmountsDueFromAffiliatesCurrent_lbl" xml:lang="en">Increase/(Decrease) in Amounts Due From Affiliates - Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeAmountsDueFromOfficersStockholdersCurrent" xlink:label="exc-og_ChangeAmountsDueFromOfficersStockholdersCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeAmountsDueFromOfficersStockholdersCurrent" xlink:to="exc-og_ChangeAmountsDueFromOfficersStockholdersCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeAmountsDueFromOfficersStockholdersCurrent_lbl" xml:lang="en">The net change in current receivables (due within one year or one operating cycle) to be collected from reporting entity's executives and owners during an accounting period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeAmountsDueFromOfficersStockholdersCurrent_lbl" xml:lang="en">Increase/(Decrease) in Amounts Due From Officers/Stockholders - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeAmountsDueFromOfficersStockholdersCurrent_lbl" xml:lang="en">Due from Officers/Stockholders</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeAmountsDueFromOfficersStockholdersCurrent_lbl" xml:lang="en">Increase/(Decrease) in Amounts Due From Officers/Stockholders - Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeAmountsDueToEmployee" xlink:label="exc-og_ChangeAmountsDueToEmployee"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeAmountsDueToEmployee" xlink:to="exc-og_ChangeAmountsDueToEmployee_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeAmountsDueToEmployee_lbl" xml:lang="en">The net change in current obligations (due within one year or one operating cycle) owed to Employees which shall not include reporting entity's executives and owners during an accounting period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeAmountsDueToEmployee_lbl" xml:lang="en">Increase/(Decrease) in Amounts Due To Employee - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeAmountsDueToEmployee_lbl" xml:lang="en">Due to Employee</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeAmountsDueToEmployee_lbl" xml:lang="en">Increase/(Decrease) in Amounts Due To Employee - Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeAmountsDueToOfficersStockholdersCurrent" xlink:label="exc-og_ChangeAmountsDueToOfficersStockholdersCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeAmountsDueToOfficersStockholdersCurrent" xlink:to="exc-og_ChangeAmountsDueToOfficersStockholdersCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeAmountsDueToOfficersStockholdersCurrent_lbl" xml:lang="en">The net change in current obligations (due within one year or one operating cycle) owed to reporting entity's executives and owners during an accounting period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeAmountsDueToOfficersStockholdersCurrent_lbl" xml:lang="en">Increase/(Decrease) in Amounts Due To Officers/Stockholders - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeAmountsDueToOfficersStockholdersCurrent_lbl" xml:lang="en">Due to Officers/Stockholders</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeAmountsDueToOfficersStockholdersCurrent_lbl" xml:lang="en">Increase/(Decrease) in Amounts Due To Officers/Stockholders - Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeAmountsDueToRelatedPartiesCurrentAbstract" xlink:label="exc-og_ChangeAmountsDueToRelatedPartiesCurrentAbstract"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeAmountsDueToRelatedPartiesCurrentAbstract" xlink:to="exc-og_ChangeAmountsDueToRelatedPartiesCurrentAbstract_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeAmountsDueToRelatedPartiesCurrentAbstract_lbl" xml:lang="en">The net change in aggregate amount for current obligations (due within one year or one operating cycle) owed to all related parties where one party can exercise control or significant influence over another party (including affiliates, owners/officers and their immediate families, pension trusts, etc.)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeAmountsDueToRelatedPartiesCurrentAbstract_lbl" xml:lang="en">Increase/(Decrease) in Amounts Due To Related Parties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeAmountsDueToRelatedPartiesCurrentAbstract_lbl" xml:lang="en">Due to Related Parties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeAmountsDueToRelatedPartiesCurrentAbstract_lbl" xml:lang="en">Increase/(Decrease) in Amounts Due To Related Parties - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeAssetRetirementObligations" xlink:label="exc-og_ChangeAssetRetirementObligations"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeAssetRetirementObligations" xlink:to="exc-og_ChangeAssetRetirementObligations_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeAssetRetirementObligations_lbl" xml:lang="en">Net change in asset retirement obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeAssetRetirementObligations_lbl" xml:lang="en">Increase/(Decrease) in Asset Retirement Obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeAssetRetirementObligations_lbl" xml:lang="en">Asset Retirement Obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeAssetRetirementObligations_lbl" xml:lang="en">Increase/(Decrease) in Asset Retirement Obligations - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeAssetsAbstract" xlink:label="exc-og_ChangeAssetsAbstract"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeAssetsAbstract" xlink:to="exc-og_ChangeAssetsAbstract_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeAssetsAbstract_lbl" xml:lang="en">Changes In Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeAssetsAbstract_lbl" xml:lang="en">Increase/(Decrease) in Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeAssetsAbstract_lbl" xml:lang="en">Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeAssetsAbstract_lbl" xml:lang="en">Increase/(Decrease) in Assets - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeAssetsDiscontinuedOperations" xlink:label="exc-og_ChangeAssetsDiscontinuedOperations"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeAssetsDiscontinuedOperations" xlink:to="exc-og_ChangeAssetsDiscontinuedOperations_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeAssetsDiscontinuedOperations_lbl" xml:lang="en">Change in the aggregate net value (measured at the lower of net carrying value or fair value) for all assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeAssetsDiscontinuedOperations_lbl" xml:lang="en">Change in Assets of Discontinued Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeAssetsDiscontinuedOperations_lbl" xml:lang="en">Change in Assets of Discontinued Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeAssetsDiscontinuedOperations_lbl" xml:lang="en">Change in Assets of Discontinued Operations - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeAssetsHeldSale" xlink:label="exc-og_ChangeAssetsHeldSale"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeAssetsHeldSale" xlink:to="exc-og_ChangeAssetsHeldSale_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeAssetsHeldSale_lbl" xml:lang="en">Long lived assets that are held for sale shall be classified as cash flow operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeAssetsHeldSale_lbl" xml:lang="en">Change Assets Held for Sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeAssetsHeldSale_lbl" xml:lang="en">Change Assets Held for Sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeAssetsHeldSale_lbl" xml:lang="en">Change Assets Held for Sale - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeBalancingAccount" xlink:label="exc-og_ChangeBalancingAccount"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeBalancingAccount" xlink:to="exc-og_ChangeBalancingAccount_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeBalancingAccount_lbl" xml:lang="en">Increase/(Decrease) in Balancing Account which is a regulatory convention in which costs and revenues associated with certain utility expenses (e.g., fuel) are accumulated but on which no return is earned.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeBalancingAccount_lbl" xml:lang="en">Increase/(Decrease) in Balancing Account</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeBalancingAccount_lbl" xml:lang="en">Increase/(Decrease) in Balancing Account</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeBalancingAccount_lbl" xml:lang="en">Increase/(Decrease) in Balancing Account - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeBillingExcessCostEarnings" xlink:label="exc-og_ChangeBillingExcessCostEarnings"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeBillingExcessCostEarnings" xlink:to="exc-og_ChangeBillingExcessCostEarnings_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeBillingExcessCostEarnings_lbl" xml:lang="en">The net change in the beginning and end of period Income Billing Excess Cost Earnings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeBillingExcessCostEarnings_lbl" xml:lang="en">Increase/(Decrease) in Billing in Excess of Cost of Earnings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeBillingExcessCostEarnings_lbl" xml:lang="en">Increase/(Decrease) in Billing in Excess of Cost of Earnings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeBillingExcessCostEarnings_lbl" xml:lang="en">Increase/(Decrease) in Billing in Excess of Cost of Earnings - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeCoalInventories" xlink:label="exc-og_ChangeCoalInventories"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeCoalInventories" xlink:to="exc-og_ChangeCoalInventories_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeCoalInventories_lbl" xml:lang="en">The net change in the beginning and end of period coal Inventories balances.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeCoalInventories_lbl" xml:lang="en">Increase/(Decrease) in Coal Inventories</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeCoalInventories_lbl" xml:lang="en">Increase/(Decrease) in Coal Inventories</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeCoalInventories_lbl" xml:lang="en">Increase/(Decrease) in Coal Inventories - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeCommodityContractAssetsLiabilities" xlink:label="exc-og_ChangeCommodityContractAssetsLiabilities"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeCommodityContractAssetsLiabilities" xlink:to="exc-og_ChangeCommodityContractAssetsLiabilities_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeCommodityContractAssetsLiabilities_lbl" xml:lang="en">Change in Commodity Contract Assets and Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeCommodityContractAssetsLiabilities_lbl" xml:lang="en">Change in Commodity Contract Assets and Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeCommodityContractAssetsLiabilities_lbl" xml:lang="en">Change in Commodity Contract Assets and Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeCommodityContractAssetsLiabilities_lbl" xml:lang="en">Change in Commodity Contract Assets and Liabilities - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeComprehensiveIncomeAdditionalMinimumPensionLiabilityNetTaxEffect" xlink:label="exc-og_ChangeComprehensiveIncomeAdditionalMinimumPensionLiabilityNetTaxEffect"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeComprehensiveIncomeAdditionalMinimumPensionLiabilityNetTaxEffect" xlink:to="exc-og_ChangeComprehensiveIncomeAdditionalMinimumPensionLiabilityNetTaxEffect_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeComprehensiveIncomeAdditionalMinimumPensionLiabilityNetTaxEffect_lbl" xml:lang="en">The change in accumulated net losses recognized as an additional pension liability not yet recognized as a net periodic pension cost, net of tax effects.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeComprehensiveIncomeAdditionalMinimumPensionLiabilityNetTaxEffect_lbl" xml:lang="en">Pension and other postretirement plans adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeComprehensiveIncomeAdditionalMinimumPensionLiabilityNetTaxEffect_lbl" xml:lang="en">Pension and other postretirement plans adjustments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeComprehensiveIncomeAdditionalMinimumPensionLiabilityNetTaxEffect_lbl" xml:lang="en">Pension and other postretirement plans adjustments - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeComprehensiveIncomeAdditionalMinimumPensionLiabilityTaxEffect" xlink:label="exc-og_ChangeComprehensiveIncomeAdditionalMinimumPensionLiabilityTaxEffect"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeComprehensiveIncomeAdditionalMinimumPensionLiabilityTaxEffect" xlink:to="exc-og_ChangeComprehensiveIncomeAdditionalMinimumPensionLiabilityTaxEffect_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeComprehensiveIncomeAdditionalMinimumPensionLiabilityTaxEffect_lbl" xml:lang="en">The change the comprehensive income accumulated net losses recognized as an additional pension liability not yet recognized as a net periodic pension cost tax effect.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeComprehensiveIncomeAdditionalMinimumPensionLiabilityTaxEffect_lbl" xml:lang="en">Increase/(Decrease) in Comprehensive Income Additional Minimum Pension Liability Tax Effect</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeComprehensiveIncomeAdditionalMinimumPensionLiabilityTaxEffect_lbl" xml:lang="en">Comprehensive Income Minimum Pension Liability Tax Effect</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeComprehensiveIncomeAdditionalMinimumPensionLiabilityTaxEffect_lbl" xml:lang="en">Increase/(Decrease) in Comprehensive Income Additional Minimum Pension Liability Tax Effect - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeComprehensiveIncomeCumulativeTranslationAdjustmentNetTaxEffect" xlink:label="exc-og_ChangeComprehensiveIncomeCumulativeTranslationAdjustmentNetTaxEffect"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeComprehensiveIncomeCumulativeTranslationAdjustmentNetTaxEffect" xlink:to="exc-og_ChangeComprehensiveIncomeCumulativeTranslationAdjustmentNetTaxEffect_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeComprehensiveIncomeCumulativeTranslationAdjustmentNetTaxEffect_lbl" xml:lang="en">The change in comprehensive income adjustment for converting foreign investments into the company's own currency on a particular day.  The difference between the investment value in the foreign currency and the investment value in the company's own currency at a particular point in time.   Also used for investments in subsidiaries which are of a different currency.  Net of tax effect</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeComprehensiveIncomeCumulativeTranslationAdjustmentNetTaxEffect_lbl" xml:lang="en">Increase/(Decrease) in Comprehensive Income Cumulative Translation Adjustment, Net of Tax Effect</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeComprehensiveIncomeCumulativeTranslationAdjustmentNetTaxEffect_lbl" xml:lang="en">Comprehensive Income Cumulative Translation Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeComprehensiveIncomeCumulativeTranslationAdjustmentNetTaxEffect_lbl" xml:lang="en">Increase/(Decrease) in Comprehensive Income Cumulative Translation Adjustment, Net of Tax Effect - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeComprehensiveIncomeCumulativeTranslationAdjustmentTaxEffect" xlink:label="exc-og_ChangeComprehensiveIncomeCumulativeTranslationAdjustmentTaxEffect"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeComprehensiveIncomeCumulativeTranslationAdjustmentTaxEffect" xlink:to="exc-og_ChangeComprehensiveIncomeCumulativeTranslationAdjustmentTaxEffect_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeComprehensiveIncomeCumulativeTranslationAdjustmentTaxEffect_lbl" xml:lang="en">The change in tax effect of the comprehensive income adjustment for converting foreign investments into the company's own currency on a particular day.  The difference between the investment value in the foreign currency and the investment value in company's own currency at a particular point in time.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeComprehensiveIncomeCumulativeTranslationAdjustmentTaxEffect_lbl" xml:lang="en">Increase/(Decrease) in Comprehensive Income Cumulative Translation Adjustment Tax Effect</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeComprehensiveIncomeCumulativeTranslationAdjustmentTaxEffect_lbl" xml:lang="en">Comprehensive Income Cumulative Translation Adjustment Tax Effect</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeComprehensiveIncomeCumulativeTranslationAdjustmentTaxEffect_lbl" xml:lang="en">Increase/(Decrease) in Comprehensive Income Cumulative Translation Adjustment Tax Effect - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeComprehensiveIncomeDeferredHedgingGainLossNetTaxEffect" xlink:label="exc-og_ChangeComprehensiveIncomeDeferredHedgingGainLossNetTaxEffect"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeComprehensiveIncomeDeferredHedgingGainLossNetTaxEffect" xlink:to="exc-og_ChangeComprehensiveIncomeDeferredHedgingGainLossNetTaxEffect_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeComprehensiveIncomeDeferredHedgingGainLossNetTaxEffect_lbl" xml:lang="en">The change in comprehensive income accumulated gains and losses from hedges that meet hedge criteria are generally recognized in current income when gains and losses on the hedged item are reported in current income.  Net of tax effect.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeComprehensiveIncomeDeferredHedgingGainLossNetTaxEffect_lbl" xml:lang="en">Increase/(Decrease) in Comprehensive Income Deferred Hedging Gain/(Loss), Net of Tax Effect</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeComprehensiveIncomeDeferredHedgingGainLossNetTaxEffect_lbl" xml:lang="en">Comprehensive Income Deferred Hedging Gain/Loss</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeComprehensiveIncomeDeferredHedgingGainLossNetTaxEffect_lbl" xml:lang="en">Increase/(Decrease) in Comprehensive Income Deferred Hedging Gain/(Loss), Net of Tax Effect - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeComprehensiveIncomeDeferredHedgingGainLossTaxEffect" xlink:label="exc-og_ChangeComprehensiveIncomeDeferredHedgingGainLossTaxEffect"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeComprehensiveIncomeDeferredHedgingGainLossTaxEffect" xlink:to="exc-og_ChangeComprehensiveIncomeDeferredHedgingGainLossTaxEffect_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeComprehensiveIncomeDeferredHedgingGainLossTaxEffect_lbl" xml:lang="en">The change in tax effect of comprehensive income accumulated gains and losses from hedges that meet hedge criteria are generally recognized in current income when gains and losses on the hedged item are reported in current income.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeComprehensiveIncomeDeferredHedgingGainLossTaxEffect_lbl" xml:lang="en">Increase/(Decrease) in Comprehensive Income Deferred Hedging Gain/(Loss) Tax Effect</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeComprehensiveIncomeDeferredHedgingGainLossTaxEffect_lbl" xml:lang="en">Comprehensive Income Deferred Hedging Gain/Loss Tax Effect</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeComprehensiveIncomeDeferredHedgingGainLossTaxEffect_lbl" xml:lang="en">Increase/(Decrease) in Comprehensive Income Deferred Hedging Gain/(Loss) Tax Effect - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeComprehensiveIncomeFairValueDerivatives" xlink:label="exc-og_ChangeComprehensiveIncomeFairValueDerivatives"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeComprehensiveIncomeFairValueDerivatives" xlink:to="exc-og_ChangeComprehensiveIncomeFairValueDerivatives_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeComprehensiveIncomeFairValueDerivatives_lbl" xml:lang="en">Change in Comprehensive Income Fair value of derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeComprehensiveIncomeFairValueDerivatives_lbl" xml:lang="en">Change in Comprehensive Income Fair value of derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeComprehensiveIncomeFairValueDerivatives_lbl" xml:lang="en">Change in Comprehensive Income Fair value of derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeComprehensiveIncomeFairValueDerivatives_lbl" xml:lang="en">Change in Comprehensive Income Fair value of derivatives - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeComprehensiveIncomeTaxEffect" xlink:label="exc-og_ChangeComprehensiveIncomeTaxEffect"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeComprehensiveIncomeTaxEffect" xlink:to="exc-og_ChangeComprehensiveIncomeTaxEffect_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeComprehensiveIncomeTaxEffect_lbl" xml:lang="en">The change in cumulative amount of all the Comprehensive Income accounts not otherwise defined, net of tax effects.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeComprehensiveIncomeTaxEffect_lbl" xml:lang="en">Increase/(Decrease) in Comprehensive Income, Net of Tax Effect</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeComprehensiveIncomeTaxEffect_lbl" xml:lang="en">Comprehensive Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeComprehensiveIncomeTaxEffect_lbl" xml:lang="en">Increase/(Decrease) in Comprehensive Income, Net of Tax Effect - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeComprehensiveIncomeUnrealizedGainLossMarketableSecuritiesNetTaxEffect" xlink:label="exc-og_ChangeComprehensiveIncomeUnrealizedGainLossMarketableSecuritiesNetTaxEffect"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeComprehensiveIncomeUnrealizedGainLossMarketableSecuritiesNetTaxEffect" xlink:to="exc-og_ChangeComprehensiveIncomeUnrealizedGainLossMarketableSecuritiesNetTaxEffect_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeComprehensiveIncomeUnrealizedGainLossMarketableSecuritiesNetTaxEffect_lbl" xml:lang="en">The change in comprehensive income unrealized holding gains and losses on securities available-for-sale, or that result from the transfer of a debt security being transferred from 'hold-to-maturity' category to 'avail-for-sale'.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeComprehensiveIncomeUnrealizedGainLossMarketableSecuritiesNetTaxEffect_lbl" xml:lang="en">Increase/(Decrease) in Comprehensive Income Unrealized Gain/(Loss) on Marketable Securities, Net of Reclassifications, Net of Tax Effect</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeComprehensiveIncomeUnrealizedGainLossMarketableSecuritiesNetTaxEffect_lbl" xml:lang="en">Comprehensive Income Unrealized Gain/Loss on Marketable Securities, Net of Reclassifications, Net of Tax Effect</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeComprehensiveIncomeUnrealizedGainLossMarketableSecuritiesNetTaxEffect_lbl" xml:lang="en">Increase/(Decrease) in Comprehensive Income Unrealized Gain/(Loss) on Marketable Securities, Net of Reclassifications, Net of Tax Effect - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeComprehensiveIncomeUnrealizedGainLossMarketableSecuritiesTaxEffect" xlink:label="exc-og_ChangeComprehensiveIncomeUnrealizedGainLossMarketableSecuritiesTaxEffect"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeComprehensiveIncomeUnrealizedGainLossMarketableSecuritiesTaxEffect" xlink:to="exc-og_ChangeComprehensiveIncomeUnrealizedGainLossMarketableSecuritiesTaxEffect_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeComprehensiveIncomeUnrealizedGainLossMarketableSecuritiesTaxEffect_lbl" xml:lang="en">The change in tax effect in comprehensive income accumulated unrealized holding gains and losses on securities available-for-sale, or that result from the transfer of a debt security being transferred from 'hold-to-maturity' category to 'avail-for-sale'.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeComprehensiveIncomeUnrealizedGainLossMarketableSecuritiesTaxEffect_lbl" xml:lang="en">Increase/(Decrease) in Comprehensive Income Unrealized Gain/(Loss) on Marketable Securities, Net of Reclassifications Tax Effect</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeComprehensiveIncomeUnrealizedGainLossMarketableSecuritiesTaxEffect_lbl" xml:lang="en">Comprehensive Income Unrealized Gain/Loss on Marketable Securities, Net of Reclassifications Tax Effect</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeComprehensiveIncomeUnrealizedGainLossMarketableSecuritiesTaxEffect_lbl" xml:lang="en">Increase/(Decrease) in Comprehensive Income Unrealized Gain/(Loss) on Marketable Securities, Net of Reclassifications Tax Effect - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeCounterpartyCollateralAsset" xlink:label="exc-og_ChangeCounterpartyCollateralAsset"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeCounterpartyCollateralAsset" xlink:to="exc-og_ChangeCounterpartyCollateralAsset_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeCounterpartyCollateralAsset_lbl" xml:lang="en">The net change in the beginning and end of period counterparty collateral asset balances.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeCounterpartyCollateralAsset_lbl" xml:lang="en">Counterparty collateral asset</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeCounterpartyCollateralAsset_lbl" xml:lang="en">Counterparty collateral asset</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeCounterpartyCollateralAsset_lbl" xml:lang="en">Counterparty collateral asset</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeCounterpartyCollateralLiability" xlink:label="exc-og_ChangeCounterpartyCollateralLiability"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeCounterpartyCollateralLiability" xlink:to="exc-og_ChangeCounterpartyCollateralLiability_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeCounterpartyCollateralLiability_lbl" xml:lang="en">The net change in the beginning and end of period counterparty collateral liability balances.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeCounterpartyCollateralLiability_lbl" xml:lang="en">Counterparty collateral liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeCounterpartyCollateralLiability_lbl" xml:lang="en">Counterparty collateral liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeCounterpartyCollateralLiability_lbl" xml:lang="en">Counterparty collateral liability</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeCurrentNoncurrentEnvironmentalLiabilities" xlink:label="exc-og_ChangeCurrentNoncurrentEnvironmentalLiabilities"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeCurrentNoncurrentEnvironmentalLiabilities" xlink:to="exc-og_ChangeCurrentNoncurrentEnvironmentalLiabilities_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeCurrentNoncurrentEnvironmentalLiabilities_lbl" xml:lang="en">Current and Noncurrent Environmental Liabilities; shall be included in the operating assets and liabilities. Shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeCurrentNoncurrentEnvironmentalLiabilities_lbl" xml:lang="en">Current and Noncurrent Environmental Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeCurrentNoncurrentEnvironmentalLiabilities_lbl" xml:lang="en">Current and Noncurrent Environmental Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeCurrentNoncurrentEnvironmentalLiabilities_lbl" xml:lang="en">Current and Noncurrent Environmental Liabilities - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeCustomerAdvance" xlink:label="exc-og_ChangeCustomerAdvance"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeCustomerAdvance" xlink:to="exc-og_ChangeCustomerAdvance_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeCustomerAdvance_lbl" xml:lang="en">The net change in aggregate amount of prepayments liability (includes both current &amp; non-current portions) to customers for good/service and shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeCustomerAdvance_lbl" xml:lang="en">Change Customer Advance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeCustomerAdvance_lbl" xml:lang="en">Change Customer Advance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeCustomerAdvance_lbl" xml:lang="en">Change Customer Advance - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeCustomerDeposits" xlink:label="exc-og_ChangeCustomerDeposits"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeCustomerDeposits" xlink:to="exc-og_ChangeCustomerDeposits_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeCustomerDeposits_lbl" xml:lang="en">The net change in the beginning and end of period in customer deposit liability balances.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeCustomerDeposits_lbl" xml:lang="en">Increase/(Decrease) in Customer Deposits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeCustomerDeposits_lbl" xml:lang="en">Change Customer Deposits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeCustomerDeposits_lbl" xml:lang="en">Increase/(Decrease) in Customer Deposits - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeDeferredCharges" xlink:label="exc-og_ChangeDeferredCharges"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeDeferredCharges" xlink:to="exc-og_ChangeDeferredCharges_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeDeferredCharges_lbl" xml:lang="en">The net change in the beginning and end of period balances for deferred charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeDeferredCharges_lbl" xml:lang="en">Increase/(Decrease) in Deferred Charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeDeferredCharges_lbl" xml:lang="en">Increase/(Decrease) in Deferred Charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeDeferredCharges_lbl" xml:lang="en">Increase/(Decrease) in Deferred Charges - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeDeferredFuelCosts" xlink:label="exc-og_ChangeDeferredFuelCosts"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeDeferredFuelCosts" xlink:to="exc-og_ChangeDeferredFuelCosts_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeDeferredFuelCosts_lbl" xml:lang="en">The net change in the beginning and end of period balances for deferred fuel cost; shall be considered to be part of cash flow from operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeDeferredFuelCosts_lbl" xml:lang="en">Change in Deferred Fuel Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeDeferredFuelCosts_lbl" xml:lang="en">Change in Deferred Fuel Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeDeferredFuelCosts_lbl" xml:lang="en">Change in Deferred Fuel Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeDeferredPensionCosts" xlink:label="exc-og_ChangeDeferredPensionCosts"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeDeferredPensionCosts" xlink:to="exc-og_ChangeDeferredPensionCosts_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeDeferredPensionCosts_lbl" xml:lang="en">The net change in the beginning and end of period balances for deferred pension costs; shall be considered to be part of cash flow from operating activities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeDeferredPensionCosts_lbl" xml:lang="en">Change in Deferred Pension Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeDeferredPensionCosts_lbl" xml:lang="en">Change in Deferred Pension Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeDeferredPensionCosts_lbl" xml:lang="en">Change in Deferred Pension Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeDepositOtherAssets" xlink:label="exc-og_ChangeDepositOtherAssets"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeDepositOtherAssets" xlink:to="exc-og_ChangeDepositOtherAssets_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeDepositOtherAssets_lbl" xml:lang="en">The net change in the beginning and end of period balances for deposits and other assets accounts that have not otherwise been defined.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeDepositOtherAssets_lbl" xml:lang="en">Change Deposit Other Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeDepositOtherAssets_lbl" xml:lang="en">Change Deposit and Other Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeDepositOtherAssets_lbl" xml:lang="en">Change Deposit Other Assets - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeEnergyTradingActivity" xlink:label="exc-og_ChangeEnergyTradingActivity"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeEnergyTradingActivity" xlink:to="exc-og_ChangeEnergyTradingActivity_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeEnergyTradingActivity_lbl" xml:lang="en">Change in energy trading activities involve the purchase and sale of energy under forward contracts at fixed and variable prices and the buying and selling of financial energy contracts which include exchange futures and options and over-the-counter options and swaps. Although trading contracts are generally short-term, there are also long-term trading contracts. We recognize revenues from trading activities generally based on changes in the fair value of open energy trading contracts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeEnergyTradingActivity_lbl" xml:lang="en">Changes in Energy Trading Activity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeEnergyTradingActivity_lbl" xml:lang="en">Changes in Energy Trading Activity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeEnergyTradingActivity_lbl" xml:lang="en">Changes in Energy Trading Activity - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeEnvironmentalLiabilitiesOther" xlink:label="exc-og_ChangeEnvironmentalLiabilitiesOther"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeEnvironmentalLiabilitiesOther" xlink:to="exc-og_ChangeEnvironmentalLiabilitiesOther_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeEnvironmentalLiabilitiesOther_lbl" xml:lang="en">Other net change in total estimated obligations recorded for probable future loss attributable to environmental contamination issues during an accounting period not otherwise defined</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeEnvironmentalLiabilitiesOther_lbl" xml:lang="en">Other Increase/(Decrease) in Environmental Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeEnvironmentalLiabilitiesOther_lbl" xml:lang="en">Other Changes in Environmental Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeEnvironmentalLiabilitiesOther_lbl" xml:lang="en">Other Increase/(Decrease) in Environmental Liabilities - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeExchangeCommonStock" xlink:label="exc-og_ChangeExchangeCommonStock"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeExchangeCommonStock" xlink:to="exc-og_ChangeExchangeCommonStock_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeExchangeCommonStock_lbl" xml:lang="en">Exchange of common stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeExchangeCommonStock_lbl" xml:lang="en">Change in Exchange of Common Stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeExchangeCommonStock_lbl" xml:lang="en">Exchange of Common Stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeExchangeCommonStock_lbl" xml:lang="en">Change in Exchange of Common Stock - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeFairValueDerivatives" xlink:label="exc-og_ChangeFairValueDerivatives"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeFairValueDerivatives" xlink:to="exc-og_ChangeFairValueDerivatives_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeFairValueDerivatives_lbl" xml:lang="en">Total unrealized gains (losses) on derivative instruments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeFairValueDerivatives_lbl" xml:lang="en">Total unrealized gains (losses) on derivative instruments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeFairValueDerivatives_lbl" xml:lang="en">Total unrealized gains (losses) on derivative instruments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeFairValueDerivatives_lbl" xml:lang="en">Total unrealized gains (losses) on derivative instruments - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeFossilFuelInventories" xlink:label="exc-og_ChangeFossilFuelInventories"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeFossilFuelInventories" xlink:to="exc-og_ChangeFossilFuelInventories_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeFossilFuelInventories_lbl" xml:lang="en">The net change in the beginning and end of period fossil fuel Inventories balances.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeFossilFuelInventories_lbl" xml:lang="en">Increase/(Decrease) in Fossil Fuel Inventories</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeFossilFuelInventories_lbl" xml:lang="en">Increase/(Decrease) in Fossil Fuel Inventories</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeFossilFuelInventories_lbl" xml:lang="en">Increase/(Decrease) in Fossil Fuel Inventories - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeFuelInventories" xlink:label="exc-og_ChangeFuelInventories"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeFuelInventories" xlink:to="exc-og_ChangeFuelInventories_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeFuelInventories_lbl" xml:lang="en">The net change in the beginning and end of period fuel Inventories balances.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeFuelInventories_lbl" xml:lang="en">Increase/(Decrease) in Fuel Inventories</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeFuelInventories_lbl" xml:lang="en">Increase/(Decrease) in Fuel Inventories</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeFuelInventories_lbl" xml:lang="en">Increase/(Decrease) in Fuel Inventories - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeIncomeTaxesInterestPayable" xlink:label="exc-og_ChangeIncomeTaxesInterestPayable"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeIncomeTaxesInterestPayable" xlink:to="exc-og_ChangeIncomeTaxesInterestPayable_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeIncomeTaxesInterestPayable_lbl" xml:lang="en">The net change in the beginning and end of period income taxes and interest payable balances.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeIncomeTaxesInterestPayable_lbl" xml:lang="en">Increase/(Decrease) in Income Taxes and Interest Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeIncomeTaxesInterestPayable_lbl" xml:lang="en">Income Taxes and Interest Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeIncomeTaxesInterestPayable_lbl" xml:lang="en">Increase/(Decrease) in Income Taxes and Interest Payable - Total</label>
    <loc xlink:type="locator" xlink:href="http://www.xbrl.org/us/fr/common/pte/2005-02-28/usfr-pte-2005-02-28.xsd#usfr-pte_ChangeIncomeTaxesPayable" xlink:label="usfr-pte_ChangeIncomeTaxesPayable"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="usfr-pte_ChangeIncomeTaxesPayable" xlink:to="usfr-pte_ChangeIncomeTaxesPayable_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="usfr-pte_ChangeIncomeTaxesPayable_lbl" xml:lang="en">The net change in the beginning and end of period Income Taxes Payable balances.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="usfr-pte_ChangeIncomeTaxesPayable_lbl" xml:lang="en">Income taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="usfr-pte_ChangeIncomeTaxesPayable_lbl" xml:lang="en">Income taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="usfr-pte_ChangeIncomeTaxesPayable_lbl" xml:lang="en">Income taxes</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeIncomeTaxesReceivable" xlink:label="exc-og_ChangeIncomeTaxesReceivable"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeIncomeTaxesReceivable" xlink:to="exc-og_ChangeIncomeTaxesReceivable_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeIncomeTaxesReceivable_lbl" xml:lang="en">The net change in the aggregate of Amounts due from taxing authorities related to the payment of income taxes, net of uncollectible amounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeIncomeTaxesReceivable_lbl" xml:lang="en">Change Income Taxes Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeIncomeTaxesReceivable_lbl" xml:lang="en">Change Income Taxes Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeIncomeTaxesReceivable_lbl" xml:lang="en">Change Income Taxes Receivable - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeIncomeTaxesReceivablePayableNet" xlink:label="exc-og_ChangeIncomeTaxesReceivablePayableNet"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeIncomeTaxesReceivablePayableNet" xlink:to="exc-og_ChangeIncomeTaxesReceivablePayableNet_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeIncomeTaxesReceivablePayableNet_lbl" xml:lang="en">The net aggregate change in Income Taxes Payable and Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeIncomeTaxesReceivablePayableNet_lbl" xml:lang="en">Change Income Taxes Receivable and Payables Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeIncomeTaxesReceivablePayableNet_lbl" xml:lang="en">Change Income Taxes Receivable and Payables Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeIncomeTaxesReceivablePayableNet_lbl" xml:lang="en">Change Income Taxes Receivable and Payables Net - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeIndustryFundObligation" xlink:label="exc-og_ChangeIndustryFundObligation"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeIndustryFundObligation" xlink:to="exc-og_ChangeIndustryFundObligation_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeIndustryFundObligation_lbl" xml:lang="en">Change in Industry Superannuation Fund  also known as Industry Fund is a multi-employer superannuation fund, which will normally cover employees in a particular industry or group of industries, or in a particular geographic area. Because of their scope, industry funds tend to have large memberships. Their economies of scale, and the fact that they are not-for-profit and do not pay any fees or commissions to agents, make them extremely effective in keeping down costs to members. These funds have trustee boards with equal representation for employers and employees, and have been a very effective vehicle for the implementation of universal superannuation i.e. for Australian workers.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeIndustryFundObligation_lbl" xml:lang="en">Change in Industry Fund Obligation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeIndustryFundObligation_lbl" xml:lang="en">Change in Industry Fund Obligation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeIndustryFundObligation_lbl" xml:lang="en">Change in Industry Fund Obligation - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeIntangibleAssets" xlink:label="exc-og_ChangeIntangibleAssets"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeIntangibleAssets" xlink:to="exc-og_ChangeIntangibleAssets_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeIntangibleAssets_lbl" xml:lang="en">Change in  Intangible Assets excluding Goodwill (not to include writeoffs) and shall be included in the operating assets and liabilities; shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeIntangibleAssets_lbl" xml:lang="en">Change in Intangible Asset Excluding Goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeIntangibleAssets_lbl" xml:lang="en">Change in Intangible Asset Excluding Goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeIntangibleAssets_lbl" xml:lang="en">Change in Intangible Asset Excluding Goodwill - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeInterestReceivable" xlink:label="exc-og_ChangeInterestReceivable"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeInterestReceivable" xlink:to="exc-og_ChangeInterestReceivable_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeInterestReceivable_lbl" xml:lang="en">The net change in the aggregate amount of interest receivables; it's a component of Operating Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeInterestReceivable_lbl" xml:lang="en">Change in Interest Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeInterestReceivable_lbl" xml:lang="en">Change to Interest Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeInterestReceivable_lbl" xml:lang="en">Change in Interest Receivable - Total</label>
    <loc xlink:type="locator" xlink:href="http://www.xbrl.org/us/fr/common/pte/2005-02-28/usfr-pte-2005-02-28.xsd#usfr-pte_ChangeInventories" xlink:label="usfr-pte_ChangeInventories"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="usfr-pte_ChangeInventories" xlink:to="usfr-pte_ChangeInventories_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="usfr-pte_ChangeInventories_lbl" xml:lang="en">The net change in the beginning and end of period Inventories balances.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="usfr-pte_ChangeInventories_lbl" xml:lang="en">Inventories</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="usfr-pte_ChangeInventories_lbl" xml:lang="en">Inventories</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="usfr-pte_ChangeInventories_lbl" xml:lang="en">Inventories</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeInventoriesMaterialsSupplies" xlink:label="exc-og_ChangeInventoriesMaterialsSupplies"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeInventoriesMaterialsSupplies" xlink:to="exc-og_ChangeInventoriesMaterialsSupplies_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeInventoriesMaterialsSupplies_lbl" xml:lang="en">Increase/(Decrease) in Inventories Materials and Supplies</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeInventoriesMaterialsSupplies_lbl" xml:lang="en">Increase/(Decrease) in Inventories Materials and Supplies</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeInventoriesMaterialsSupplies_lbl" xml:lang="en">Increase/(Decrease) in Inventories Materials and Supplies</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeInventoriesMaterialsSupplies_lbl" xml:lang="en">Increase/(Decrease) in Inventories Materials and Supplies - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeInvestmentsOtherAssets" xlink:label="exc-og_ChangeInvestmentsOtherAssets"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeInvestmentsOtherAssets" xlink:to="exc-og_ChangeInvestmentsOtherAssets_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeInvestmentsOtherAssets_lbl" xml:lang="en">Net change in aggregate amount of investments and other assets shall be classified as cash flow operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeInvestmentsOtherAssets_lbl" xml:lang="en">Change Investments and Other Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeInvestmentsOtherAssets_lbl" xml:lang="en">Change Investments and Other Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeInvestmentsOtherAssets_lbl" xml:lang="en">Change Investments and Other Assets - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeLiabilitiesDiscontinuedOperations" xlink:label="exc-og_ChangeLiabilitiesDiscontinuedOperations"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeLiabilitiesDiscontinuedOperations" xlink:to="exc-og_ChangeLiabilitiesDiscontinuedOperations_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeLiabilitiesDiscontinuedOperations_lbl" xml:lang="en">Change in the aggregate net value for all liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeLiabilitiesDiscontinuedOperations_lbl" xml:lang="en">Change in Liabilities of Discontinued Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeLiabilitiesDiscontinuedOperations_lbl" xml:lang="en">Change in Liabilities of Discontinued Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeLiabilitiesDiscontinuedOperations_lbl" xml:lang="en">Change in Liabilities of Discontinued Operations - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeLoansUnearnedIncome" xlink:label="exc-og_ChangeLoansUnearnedIncome"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeLoansUnearnedIncome" xlink:to="exc-og_ChangeLoansUnearnedIncome_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeLoansUnearnedIncome_lbl" xml:lang="en">Change Unearned income, net unamortized loan origination and other fees and costs, and purchased premiums/discounts;</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeLoansUnearnedIncome_lbl" xml:lang="en">Change Loans - Unearned Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeLoansUnearnedIncome_lbl" xml:lang="en">Change Unearned Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeLoansUnearnedIncome_lbl" xml:lang="en">Change Loans - Unearned Income - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeMortgageServicingRights" xlink:label="exc-og_ChangeMortgageServicingRights"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeMortgageServicingRights" xlink:to="exc-og_ChangeMortgageServicingRights_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeMortgageServicingRights_lbl" xml:lang="en">Net change in aggregate amount of fees associated with administration of a mortgage loan  and shall be classified as cash flow Investing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeMortgageServicingRights_lbl" xml:lang="en">Increase Decrease Mortgage Servicing Rights</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeMortgageServicingRights_lbl" xml:lang="en">Increase Decrease Mortgage Servicing Rights</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeMortgageServicingRights_lbl" xml:lang="en">Increase Decrease Mortgage Servicing Rights - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeNetGainLossMortgageBackedSecurities" xlink:label="exc-og_ChangeNetGainLossMortgageBackedSecurities"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeNetGainLossMortgageBackedSecurities" xlink:to="exc-og_ChangeNetGainLossMortgageBackedSecurities_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeNetGainLossMortgageBackedSecurities_lbl" xml:lang="en">Net change in aggregate amount of Mortgage Backed Securities shall be classified as cash flow operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeNetGainLossMortgageBackedSecurities_lbl" xml:lang="en">Change Net Gain Loss Mortgage Backed Securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeNetGainLossMortgageBackedSecurities_lbl" xml:lang="en">Net Gain Loss Mortgage Backed Securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeNetGainLossMortgageBackedSecurities_lbl" xml:lang="en">Change Net Gain Loss Mortgage Backed Securities - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeNetGainLossMortgageLoans" xlink:label="exc-og_ChangeNetGainLossMortgageLoans"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeNetGainLossMortgageLoans" xlink:to="exc-og_ChangeNetGainLossMortgageLoans_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeNetGainLossMortgageLoans_lbl" xml:lang="en">The amount of net realized gain/loss on the sales of mortgage loans and shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeNetGainLossMortgageLoans_lbl" xml:lang="en">Change Net Gain Loss Mortgage Loans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeNetGainLossMortgageLoans_lbl" xml:lang="en">Net Gain Loss Mortgage Loans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeNetGainLossMortgageLoans_lbl" xml:lang="en">Change Net Gain Loss Mortgage Loans - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeOperatingAssetsLiabilitiesNet" xlink:label="exc-og_ChangeOperatingAssetsLiabilitiesNet"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeOperatingAssetsLiabilitiesNet" xlink:to="exc-og_ChangeOperatingAssetsLiabilitiesNet_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeOperatingAssetsLiabilitiesNet_lbl" xml:lang="en">The description and net change of each current and noncurrent operating assets and liabilities from the beginning to the end of the period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeOperatingAssetsLiabilitiesNet_lbl" xml:lang="en">Changes in Operating Assets and Liabilities, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeOperatingAssetsLiabilitiesNet_lbl" xml:lang="en">Changes in Operating Assets and Liabilities, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeOperatingAssetsLiabilitiesNet_lbl" xml:lang="en">Changes in Operating Assets and Liabilities, Net - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeOperatingAssetsLiabilitiesNetAbstract" xlink:label="exc-og_ChangeOperatingAssetsLiabilitiesNetAbstract"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeOperatingAssetsLiabilitiesNetAbstract" xlink:to="exc-og_ChangeOperatingAssetsLiabilitiesNetAbstract_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeOperatingAssetsLiabilitiesNetAbstract_lbl" xml:lang="en">The description and net change of each current and noncurrent operating assets and liabilities from the beginning to the end of the period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeOperatingAssetsLiabilitiesNetAbstract_lbl" xml:lang="en">Changes in Operating Assets and Liabilities, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeOperatingAssetsLiabilitiesNetAbstract_lbl" xml:lang="en">Changes in Operating Assets and Liabilities, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeOperatingAssetsLiabilitiesNetAbstract_lbl" xml:lang="en">Changes in Operating Assets and Liabilities, Net - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeOperatingLeaseAssets" xlink:label="exc-og_ChangeOperatingLeaseAssets"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeOperatingLeaseAssets" xlink:to="exc-og_ChangeOperatingLeaseAssets_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeOperatingLeaseAssets_lbl" xml:lang="en">Change in Operating Lease Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeOperatingLeaseAssets_lbl" xml:lang="en">Change in Operating Lease Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeOperatingLeaseAssets_lbl" xml:lang="en">Change in Operating Lease Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeOperatingLeaseAssets_lbl" xml:lang="en">Change in Operating Lease Assets - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeOtherAccountsPayableAccruedExpenses" xlink:label="exc-og_ChangeOtherAccountsPayableAccruedExpenses"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeOtherAccountsPayableAccruedExpenses" xlink:to="exc-og_ChangeOtherAccountsPayableAccruedExpenses_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeOtherAccountsPayableAccruedExpenses_lbl" xml:lang="en">Other net change in the beginning and end of period Accounts Payable and Accrued Expenses balances not otherwise defined.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeOtherAccountsPayableAccruedExpenses_lbl" xml:lang="en">Increase/(Decrease) in Other Accounts Payable and Accrued Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeOtherAccountsPayableAccruedExpenses_lbl" xml:lang="en">Increase/(Decrease) in Other Accounts Payable and Accrued Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeOtherAccountsPayableAccruedExpenses_lbl" xml:lang="en">Increase/(Decrease) in Other Accounts Payable and Accrued Expenses - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeOtherAccruedExpenses" xlink:label="exc-og_ChangeOtherAccruedExpenses"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeOtherAccruedExpenses" xlink:to="exc-og_ChangeOtherAccruedExpenses_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeOtherAccruedExpenses_lbl" xml:lang="en">The net change in the aggregate of other accrued expenses (expenses incurred at the end of the reporting period but not yet paid) not otherwise defined.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeOtherAccruedExpenses_lbl" xml:lang="en">Change Other Accrued Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeOtherAccruedExpenses_lbl" xml:lang="en">Change Other Accrued Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeOtherAccruedExpenses_lbl" xml:lang="en">Change Other Accrued Expenses - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeOtherAssets" xlink:label="exc-og_ChangeOtherAssets"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeOtherAssets" xlink:to="exc-og_ChangeOtherAssets_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeOtherAssets_lbl" xml:lang="en">The net change in the beginning and end of period balances for other assets accounts that have not otherwise been defined.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeOtherAssets_lbl" xml:lang="en">Increase/(Decrease) in Other Nonoperating Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeOtherAssets_lbl" xml:lang="en">Other Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeOtherAssets_lbl" xml:lang="en">Increase/(Decrease) in Other Nonoperating Assets - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeOtherComprehensiveIncomeNetTaxEffect" xlink:label="exc-og_ChangeOtherComprehensiveIncomeNetTaxEffect"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeOtherComprehensiveIncomeNetTaxEffect" xlink:to="exc-og_ChangeOtherComprehensiveIncomeNetTaxEffect_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeOtherComprehensiveIncomeNetTaxEffect_lbl" xml:lang="en">The change in cumulative amount of all the Other Comprehensive Income accounts not otherwise defined, net of tax effects.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeOtherComprehensiveIncomeNetTaxEffect_lbl" xml:lang="en">Increase/(Decrease) in Other Comprehensive Income, Net of Tax Effect</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeOtherComprehensiveIncomeNetTaxEffect_lbl" xml:lang="en">Other Comprehensive Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeOtherComprehensiveIncomeNetTaxEffect_lbl" xml:lang="en">Increase/(Decrease) in Other Comprehensive Income, Net of Tax Effect - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeOtherComprehensiveIncomeNetTaxEffectAccumulatedOther" xlink:label="exc-og_ChangeOtherComprehensiveIncomeNetTaxEffectAccumulatedOther"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeOtherComprehensiveIncomeNetTaxEffectAccumulatedOther" xlink:to="exc-og_ChangeOtherComprehensiveIncomeNetTaxEffectAccumulatedOther_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeOtherComprehensiveIncomeNetTaxEffectAccumulatedOther_lbl" xml:lang="en">The change in cumulative amount of all the Other Comprehensive Income accounts not otherwise defined, net of tax effects.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeOtherComprehensiveIncomeNetTaxEffectAccumulatedOther_lbl" xml:lang="en">Other comprehensive income, net of income taxes - Accumulated Other Comprehensive Income (Loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeOtherComprehensiveIncomeNetTaxEffectAccumulatedOther_lbl" xml:lang="en">Other comprehensive income, net of income taxes - Accumulated Other Comprehensive Income (Loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeOtherComprehensiveIncomeNetTaxEffectAccumulatedOther_lbl" xml:lang="en">Other comprehensive income, net of income taxes - Accumulated Other Comprehensive Income (Loss) - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeOtherComprehensiveIncomeTaxEffect" xlink:label="exc-og_ChangeOtherComprehensiveIncomeTaxEffect"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeOtherComprehensiveIncomeTaxEffect" xlink:to="exc-og_ChangeOtherComprehensiveIncomeTaxEffect_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeOtherComprehensiveIncomeTaxEffect_lbl" xml:lang="en">Tax effect of the change in cumulative amount of all the Other Comprehensive Income accounts not otherwise defined.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeOtherComprehensiveIncomeTaxEffect_lbl" xml:lang="en">Increase/(Decrease) in Other Comprehensive Income, Tax Effect</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeOtherComprehensiveIncomeTaxEffect_lbl" xml:lang="en">Other Comprehensive Income, Tax Effect</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeOtherComprehensiveIncomeTaxEffect_lbl" xml:lang="en">Increase/(Decrease) in Other Comprehensive Income, Tax Effect - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeOtherDeferredLiabilities" xlink:label="exc-og_ChangeOtherDeferredLiabilities"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeOtherDeferredLiabilities" xlink:to="exc-og_ChangeOtherDeferredLiabilities_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeOtherDeferredLiabilities_lbl" xml:lang="en">The net change in aggregate deferred liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeOtherDeferredLiabilities_lbl" xml:lang="en">Increase/(Decrease) in Other Deferred Liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeOtherDeferredLiabilities_lbl" xml:lang="en">Other Deferred Liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeOtherDeferredLiabilities_lbl" xml:lang="en">Increase/(Decrease) in Other Deferred Liability - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeOtherLiabilities" xlink:label="exc-og_ChangeOtherLiabilities"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeOtherLiabilities" xlink:to="exc-og_ChangeOtherLiabilities_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeOtherLiabilities_lbl" xml:lang="en">The net change in the beginning and end of period balances for other liabilities that have not otherwise been defined.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeOtherLiabilities_lbl" xml:lang="en">Increase/(Decrease) in Other Nonoperating Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeOtherLiabilities_lbl" xml:lang="en">Other Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeOtherLiabilities_lbl" xml:lang="en">Increase/(Decrease) in Other Nonoperating Liabilities - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeOtherLoans" xlink:label="exc-og_ChangeOtherLoans"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeOtherLoans" xlink:to="exc-og_ChangeOtherLoans_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeOtherLoans_lbl" xml:lang="en">Change Other Loans and related fees not otherwise defined.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeOtherLoans_lbl" xml:lang="en">Change Other Loans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeOtherLoans_lbl" xml:lang="en">Change Other Loans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeOtherLoans_lbl" xml:lang="en">Change Other Loans - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeOtherReceivable" xlink:label="exc-og_ChangeOtherReceivable"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeOtherReceivable" xlink:to="exc-og_ChangeOtherReceivable_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeOtherReceivable_lbl" xml:lang="en">The net change in aggregate amount for receivables not otherwise defined.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeOtherReceivable_lbl" xml:lang="en">Change Other Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeOtherReceivable_lbl" xml:lang="en">Change Other Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeOtherReceivable_lbl" xml:lang="en">Change Other Receivable - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeOtherRegulatoryAssets" xlink:label="exc-og_ChangeOtherRegulatoryAssets"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeOtherRegulatoryAssets" xlink:to="exc-og_ChangeOtherRegulatoryAssets_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeOtherRegulatoryAssets_lbl" xml:lang="en">Increase/(Decrease) in Other Regulatory Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeOtherRegulatoryAssets_lbl" xml:lang="en">Increase/(Decrease) in Other Regulatory Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeOtherRegulatoryAssets_lbl" xml:lang="en">Increase/(Decrease) in Other Regulatory Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeOtherRegulatoryAssets_lbl" xml:lang="en">Increase/(Decrease) in Other Regulatory Assets - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeOverEnergyRecovery" xlink:label="exc-og_ChangeOverEnergyRecovery"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeOverEnergyRecovery" xlink:to="exc-og_ChangeOverEnergyRecovery_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeOverEnergyRecovery_lbl" xml:lang="en">An over-recovery means that the basic energy product price based on the daily product price and exchange rate is less than the basic fuel price used in the calculation of the monthly retail energy product. An over-recovery therefore implies that the retail energy product price can be lowered at the next monthly price adjustment, provided the government does not introduce a new levy or raise either the wholesale or retail margin.  However, transition charge revenues are expected to vary from projected amounts due to variations in power usage and the effects of unbilled revenue accruals, resulting in temporary over or under recovery of transition charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeOverEnergyRecovery_lbl" xml:lang="en">Change Over Energy Recovery</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeOverEnergyRecovery_lbl" xml:lang="en">Change Over Energy Recovery</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeOverEnergyRecovery_lbl" xml:lang="en">Change Over Energy Recovery - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeOverUnderEnergyRecovery" xlink:label="exc-og_ChangeOverUnderEnergyRecovery"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeOverUnderEnergyRecovery" xlink:to="exc-og_ChangeOverUnderEnergyRecovery_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeOverUnderEnergyRecovery_lbl" xml:lang="en">An over under-recovery means that the basic energy price based on the daily product price and exchange rate is less (over) or more (under)  than the basic energy price used in the calculation of the monthly retail energy product An over-recovery therefore implies that the retail energy product price can be lowered at the next monthly price adjustment, provided the government does not introduce a new levy or raise either the wholesale or retail margin. However, transition charge revenues are expected to vary from projected amounts due to variations in power usage and the effects of unbilled revenue accruals, resulting in temporary over or under recovery of transition charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeOverUnderEnergyRecovery_lbl" xml:lang="en">Change Over/ (Under) Energy Recovery</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeOverUnderEnergyRecovery_lbl" xml:lang="en">Change Over/ (Under) Energy Recovery</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeOverUnderEnergyRecovery_lbl" xml:lang="en">Change Over/ (Under) Energy Recovery - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangePensionPlanObligations" xlink:label="exc-og_ChangePensionPlanObligations"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangePensionPlanObligations" xlink:to="exc-og_ChangePensionPlanObligations_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangePensionPlanObligations_lbl" xml:lang="en">The net change in the beginning and end of period pension and non-pension plan obligations balances outside of items reflected elsewhere in the cash flow statement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangePensionPlanObligations_lbl" xml:lang="en">Pension and non-pension postretirement benefit contributions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangePensionPlanObligations_lbl" xml:lang="en">Pension and non-pension postretirement benefit contributions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangePensionPlanObligations_lbl" xml:lang="en">Pension and non-pension postretirement benefit contributions</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangePneumoconiosisBenefitObligations" xlink:label="exc-og_ChangePneumoconiosisBenefitObligations"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangePneumoconiosisBenefitObligations" xlink:to="exc-og_ChangePneumoconiosisBenefitObligations_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangePneumoconiosisBenefitObligations_lbl" xml:lang="en">The net change in the beginning and end of period pneumoconiosis benefit obligations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangePneumoconiosisBenefitObligations_lbl" xml:lang="en">Increase/(Decrease) in Pneumoconiosis Benefit Obligations Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangePneumoconiosisBenefitObligations_lbl" xml:lang="en">Increase/(Decrease) in Pneumoconiosis Benefit Obligations Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangePneumoconiosisBenefitObligations_lbl" xml:lang="en">Increase/(Decrease) in Pneumoconiosis Benefit Obligations Noncurrent - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangePostretirementObligations" xlink:label="exc-og_ChangePostretirementObligations"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangePostretirementObligations" xlink:to="exc-og_ChangePostretirementObligations_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangePostretirementObligations_lbl" xml:lang="en">The net change in the beginning and end of period postretirment obligations balances.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangePostretirementObligations_lbl" xml:lang="en">Increase/(Decrease) in Postretirement Obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangePostretirementObligations_lbl" xml:lang="en">Increase/(Decrease) in Postretirement Obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangePostretirementObligations_lbl" xml:lang="en">Increase/(Decrease) in Postretirement Obligations - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangePPE" xlink:label="exc-og_ChangePPE"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangePPE" xlink:to="exc-og_ChangePPE_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangePPE_lbl" xml:lang="en">Change in PPE</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangePPE_lbl" xml:lang="en">Change in Property Plant and Equipment (Material and Supply)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangePPE_lbl" xml:lang="en">PPE (Material and Supply)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangePPE_lbl" xml:lang="en">Change in Property Plant and Equipment (Material and Supply) - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangePrepaidExpensesOtherAssets" xlink:label="exc-og_ChangePrepaidExpensesOtherAssets"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangePrepaidExpensesOtherAssets" xlink:to="exc-og_ChangePrepaidExpensesOtherAssets_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangePrepaidExpensesOtherAssets_lbl" xml:lang="en">The net change in the beginning and end of period balances for prepaid expenses and noncurrent other assets accounts that have not otherwise been defined.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangePrepaidExpensesOtherAssets_lbl" xml:lang="en">Change Prepaid Expenses Other Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangePrepaidExpensesOtherAssets_lbl" xml:lang="en">Change Prepaid Expenses Other Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangePrepaidExpensesOtherAssets_lbl" xml:lang="en">Change Prepaid Expenses Other Assets - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangePrepaidExpensesOtherCurrentAssets" xlink:label="exc-og_ChangePrepaidExpensesOtherCurrentAssets"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangePrepaidExpensesOtherCurrentAssets" xlink:to="exc-og_ChangePrepaidExpensesOtherCurrentAssets_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangePrepaidExpensesOtherCurrentAssets_lbl" xml:lang="en">The net change in the beginning and end of period balances for prepaid expenses and current other assets accounts that have not otherwise been defined.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangePrepaidExpensesOtherCurrentAssets_lbl" xml:lang="en">Change Prepaid Expenses Other Current Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangePrepaidExpensesOtherCurrentAssets_lbl" xml:lang="en">Change Prepaid Expenses Other Current Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangePrepaidExpensesOtherCurrentAssets_lbl" xml:lang="en">Change Prepaid Expenses Other Current Assets - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangePrepaidGasDelivery" xlink:label="exc-og_ChangePrepaidGasDelivery"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangePrepaidGasDelivery" xlink:to="exc-og_ChangePrepaidGasDelivery_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangePrepaidGasDelivery_lbl" xml:lang="en">The net change in the beginning and end of period balances for prepaid gas delivery accounts that have not otherwise been defined.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangePrepaidGasDelivery_lbl" xml:lang="en">Change Prepaid Gas Delivery</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangePrepaidGasDelivery_lbl" xml:lang="en">Change Prepaid Gas Delivery</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangePrepaidGasDelivery_lbl" xml:lang="en">Change Prepaid Gas Delivery - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeProductionParticipationPlanLiability" xlink:label="exc-og_ChangeProductionParticipationPlanLiability"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeProductionParticipationPlanLiability" xlink:to="exc-og_ChangeProductionParticipationPlanLiability_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeProductionParticipationPlanLiability_lbl" xml:lang="en">The net change the noncurrent liability of interests in oil and gas properties acquired or developed during the year as allocated to employees in the plan on a discretionary basis.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeProductionParticipationPlanLiability_lbl" xml:lang="en">Increase/(Decrease) in Production Participation Plan Liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeProductionParticipationPlanLiability_lbl" xml:lang="en">Production Participation Plan Liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeProductionParticipationPlanLiability_lbl" xml:lang="en">Increase/(Decrease) in Production Participation Plan Liability - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangePropertyOtherTaxesPayable" xlink:label="exc-og_ChangePropertyOtherTaxesPayable"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangePropertyOtherTaxesPayable" xlink:to="exc-og_ChangePropertyOtherTaxesPayable_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangePropertyOtherTaxesPayable_lbl" xml:lang="en">The net change in the beginning and end of period property and other non-income Taxes Payable balances.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangePropertyOtherTaxesPayable_lbl" xml:lang="en">Increase/(Decrease) in Property and Other Taxes Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangePropertyOtherTaxesPayable_lbl" xml:lang="en">Increase/(Decrease) in Property and Other Taxes Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangePropertyOtherTaxesPayable_lbl" xml:lang="en">Increase/(Decrease) in Property and Other Taxes Payable - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeProvisionIncomeTaxesAdjustments" xlink:label="exc-og_ChangeProvisionIncomeTaxesAdjustments"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeProvisionIncomeTaxesAdjustments" xlink:to="exc-og_ChangeProvisionIncomeTaxesAdjustments_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeProvisionIncomeTaxesAdjustments_lbl" xml:lang="en">Change tax adjustments, settlements, and unusual provisions which includes adjustments of tax assessment reversal, IRS tax settlement and unusual repatriation of foreign earnings.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeProvisionIncomeTaxesAdjustments_lbl" xml:lang="en">Change Tax Adjustments, Settlements, and Unusual Provisions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeProvisionIncomeTaxesAdjustments_lbl" xml:lang="en">Change Tax Adjustments, Settlements, and Unusual Provisions</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeProvisionIncomeTaxesAdjustments_lbl" xml:lang="en">Change Tax Adjustments, Settlements, and Unusual Provisions - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeReceivablesPayablesFromAffiliates" xlink:label="exc-og_ChangeReceivablesPayablesFromAffiliates"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeReceivablesPayablesFromAffiliates" xlink:to="exc-og_ChangeReceivablesPayablesFromAffiliates_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeReceivablesPayablesFromAffiliates_lbl" xml:lang="en">The change in related receivables (payables) from affiliates.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeReceivablesPayablesFromAffiliates_lbl" xml:lang="en">Related Receivables/(Payables), Net From Affiliates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeReceivablesPayablesFromAffiliates_lbl" xml:lang="en">Related Receivables/(Payables), Net From Affiliates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeReceivablesPayablesFromAffiliates_lbl" xml:lang="en">Related Receivables/(Payables), Net From Affiliates - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeRecoverablePropertyDamageCosts" xlink:label="exc-og_ChangeRecoverablePropertyDamageCosts"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeRecoverablePropertyDamageCosts" xlink:to="exc-og_ChangeRecoverablePropertyDamageCosts_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeRecoverablePropertyDamageCosts_lbl" xml:lang="en">The net change in the beginning and end of period balances for Change Recoverable property damage costs.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeRecoverablePropertyDamageCosts_lbl" xml:lang="en">Change Recoverable Property Damage Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeRecoverablePropertyDamageCosts_lbl" xml:lang="en">Change Recoverable Property Damage Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeRecoverablePropertyDamageCosts_lbl" xml:lang="en">Change Recoverable Property Damage Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeRecoverableRefundableGasCosts" xlink:label="exc-og_ChangeRecoverableRefundableGasCosts"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeRecoverableRefundableGasCosts" xlink:to="exc-og_ChangeRecoverableRefundableGasCosts_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeRecoverableRefundableGasCosts_lbl" xml:lang="en">The net change in the beginning and end of period balances for Change Recoverable Refundable Gas Costs.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeRecoverableRefundableGasCosts_lbl" xml:lang="en">Change Recoverable Refundable Gas Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeRecoverableRefundableGasCosts_lbl" xml:lang="en">Change Recoverable Refundable Gas Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeRecoverableRefundableGasCosts_lbl" xml:lang="en">Change Recoverable Refundable Gas Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeRegulatoryAssetsLiabilities" xlink:label="exc-og_ChangeRegulatoryAssetsLiabilities"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeRegulatoryAssetsLiabilities" xlink:to="exc-og_ChangeRegulatoryAssetsLiabilities_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeRegulatoryAssetsLiabilities_lbl" xml:lang="en">The net change in the beginning and ending period balances of regulatory assets and liabilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeRegulatoryAssetsLiabilities_lbl" xml:lang="en">Increase/(Decrease) in Regulatory Assets and Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeRegulatoryAssetsLiabilities_lbl" xml:lang="en">Increase/(Decrease) in Regulatory Assets and Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeRegulatoryAssetsLiabilities_lbl" xml:lang="en">Increase/(Decrease) in Regulatory Assets and Liabilities - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeRegulatoryClauseRevenues" xlink:label="exc-og_ChangeRegulatoryClauseRevenues"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeRegulatoryClauseRevenues" xlink:to="exc-og_ChangeRegulatoryClauseRevenues_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeRegulatoryClauseRevenues_lbl" xml:lang="en">The net change in the beginning and end of period regulatory clause revenues balances.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeRegulatoryClauseRevenues_lbl" xml:lang="en">Increase/(Decrease) in Regulatory Clause Revenues</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeRegulatoryClauseRevenues_lbl" xml:lang="en">Increase/(Decrease) in Regulatory Clause Revenues</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeRegulatoryClauseRevenues_lbl" xml:lang="en">Increase/(Decrease) in Regulatory Clause Revenues - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeRegulatoryLiabilities" xlink:label="exc-og_ChangeRegulatoryLiabilities"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeRegulatoryLiabilities" xlink:to="exc-og_ChangeRegulatoryLiabilities_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeRegulatoryLiabilities_lbl" xml:lang="en">Liabilities associated with the laws related to a given industry, country or type of security to change and impact relevant investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeRegulatoryLiabilities_lbl" xml:lang="en">Change Regulatory Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeRegulatoryLiabilities_lbl" xml:lang="en">Change Regulatory Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeRegulatoryLiabilities_lbl" xml:lang="en">Change Regulatory Liabilities - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeRestrictedCash" xlink:label="exc-og_ChangeRestrictedCash"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeRestrictedCash" xlink:to="exc-og_ChangeRestrictedCash_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeRestrictedCash_lbl" xml:lang="en">The net cash inflow (outflow) for the net change associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as operating activities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeRestrictedCash_lbl" xml:lang="en">Restricted cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeRestrictedCash_lbl" xml:lang="en">Restricted cash</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeRestrictedCash_lbl" xml:lang="en">Restricted cash</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeRiskManagementAssetsLiabilities" xlink:label="exc-og_ChangeRiskManagementAssetsLiabilities"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeRiskManagementAssetsLiabilities" xlink:to="exc-og_ChangeRiskManagementAssetsLiabilities_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeRiskManagementAssetsLiabilities_lbl" xml:lang="en">Net change in aggregate amount of Risk Management Assets and Liabilities - which is the control and limitation of the risks faced by an organisation due to its exposure to changes in financial market variables, such as foreign exchange and interest rates, equity and commodity prices or counterparty creditworthiness. This may be because of the financial impact of an adverse move in the market variable (market risk), because the organisation is ill-prepared to respond to such a move (operational risk), because a counterparty defaults (credit risk) or because a specific contract is not enforceable (legal risk). Market risks are usually managed by hedging with financial instruments, although a firm may also reduce risk by adjusting its business practices (see natural hedge). While financial derivatives lend themselves to this purpose, risk can also be reduced through judicious use of the underlying assets, eg, by diversifying portfolios. Derivatives are commonly used in the energy industry as risk management instruments. Properly used, they can provide insurance against interest rate or energy price hikes, improve the investment quality of a utilitys issues of bonds or other securities, or offer any number of other benefits. Shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeRiskManagementAssetsLiabilities_lbl" xml:lang="en">Changes in Risk Management Assets and Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeRiskManagementAssetsLiabilities_lbl" xml:lang="en">Changes in Risk Management Assets and Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeRiskManagementAssetsLiabilities_lbl" xml:lang="en">Changes in Risk Management Assets and Liabilities - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeRoyaltyPayable" xlink:label="exc-og_ChangeRoyaltyPayable"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeRoyaltyPayable" xlink:to="exc-og_ChangeRoyaltyPayable_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeRoyaltyPayable_lbl" xml:lang="en">Net change in aggregate royalties payable.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeRoyaltyPayable_lbl" xml:lang="en">Increase/(Decrease) in Royalties Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeRoyaltyPayable_lbl" xml:lang="en">Royalties Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeRoyaltyPayable_lbl" xml:lang="en">Increase/(Decrease) in Royalties Payable - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangesAccruedReclamationLiabilites" xlink:label="exc-og_ChangesAccruedReclamationLiabilites"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangesAccruedReclamationLiabilites" xlink:to="exc-og_ChangesAccruedReclamationLiabilites_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangesAccruedReclamationLiabilites_lbl" xml:lang="en">Change in costs of oil and gas reclamation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangesAccruedReclamationLiabilites_lbl" xml:lang="en">Change in accrued cost of oil and gas reclamation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangesAccruedReclamationLiabilites_lbl" xml:lang="en">Change in accrued cost of oil and gas reclamation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangesAccruedReclamationLiabilites_lbl" xml:lang="en">Change in accrued cost of oil and gas reclamation - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangesComprehensiveIncomeAbstract" xlink:label="exc-og_ChangesComprehensiveIncomeAbstract"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangesComprehensiveIncomeAbstract" xlink:to="exc-og_ChangesComprehensiveIncomeAbstract_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangesComprehensiveIncomeAbstract_lbl" xml:lang="en">Changes Comprehensive Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangesComprehensiveIncomeAbstract_lbl" xml:lang="en">Comprehensive Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangesComprehensiveIncomeAbstract_lbl" xml:lang="en">Comprehensive Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangesComprehensiveIncomeAbstract_lbl" xml:lang="en">Comprehensive Income - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangesContributionsToUnconsolidatedAffiliates" xlink:label="exc-og_ChangesContributionsToUnconsolidatedAffiliates"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangesContributionsToUnconsolidatedAffiliates" xlink:to="exc-og_ChangesContributionsToUnconsolidatedAffiliates_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangesContributionsToUnconsolidatedAffiliates_lbl" xml:lang="en">Changes in contributions to unconsolidated affiliates; shall be considered to be part of cash flow from investing activities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangesContributionsToUnconsolidatedAffiliates_lbl" xml:lang="en">Changes in Contributions to Unconsolidated Affiliates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangesContributionsToUnconsolidatedAffiliates_lbl" xml:lang="en">Changes in Contributions to Unconsolidated Affiliates.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangesContributionsToUnconsolidatedAffiliates_lbl" xml:lang="en">Changes in Contributions to Unconsolidated Affiliates - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangesEmployeeStockOwnershipPlanAbstract" xlink:label="exc-og_ChangesEmployeeStockOwnershipPlanAbstract"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangesEmployeeStockOwnershipPlanAbstract" xlink:to="exc-og_ChangesEmployeeStockOwnershipPlanAbstract_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangesEmployeeStockOwnershipPlanAbstract_lbl" xml:lang="en">Increase/(Decrease) in Employee Stock Ownership Plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangesEmployeeStockOwnershipPlanAbstract_lbl" xml:lang="en">Increase/(Decrease) in Employee Stock Ownership Plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangesEmployeeStockOwnershipPlanAbstract_lbl" xml:lang="en">Increase/(Decrease) in Employee Stock Ownership Plan</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangesEmployeeStockOwnershipPlanAbstract_lbl" xml:lang="en">Increase/(Decrease) in Employee Stock Ownership Plan - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangesExecutivesDirectorsBenefitsTrustAbstract" xlink:label="exc-og_ChangesExecutivesDirectorsBenefitsTrustAbstract"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangesExecutivesDirectorsBenefitsTrustAbstract" xlink:to="exc-og_ChangesExecutivesDirectorsBenefitsTrustAbstract_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangesExecutivesDirectorsBenefitsTrustAbstract_lbl" xml:lang="en">Increase/(Decrease) in Executives Directors Benefits Trust</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangesExecutivesDirectorsBenefitsTrustAbstract_lbl" xml:lang="en">Increase/(Decrease) in Executives Directors Benefits Trust</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangesExecutivesDirectorsBenefitsTrustAbstract_lbl" xml:lang="en">Increase/(Decrease) in Executives Directors Benefits Trust</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangesExecutivesDirectorsBenefitsTrustAbstract_lbl" xml:lang="en">Increase/(Decrease) in Executives Directors Benefits Trust - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeShortTermBorrowingsOther" xlink:label="exc-og_ChangeShortTermBorrowingsOther"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeShortTermBorrowingsOther" xlink:to="exc-og_ChangeShortTermBorrowingsOther_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeShortTermBorrowingsOther_lbl" xml:lang="en">Other net change in reporting entity's short-term borrowings (due within one year or one operating cycle) during an accounting period not otherwise defined</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeShortTermBorrowingsOther_lbl" xml:lang="en">Other Increase/(Decrease) in Short Term Borrowings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeShortTermBorrowingsOther_lbl" xml:lang="en">Other Short Term Borrowings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeShortTermBorrowingsOther_lbl" xml:lang="en">Other Increase/(Decrease) in Short Term Borrowings - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeShortTermInvestmentsOther" xlink:label="exc-og_ChangeShortTermInvestmentsOther"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeShortTermInvestmentsOther" xlink:to="exc-og_ChangeShortTermInvestmentsOther_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeShortTermInvestmentsOther_lbl" xml:lang="en">Other net amount received (paid) by the reporting entity through sale/maturities (acquisition) of short-term investments during an accounting period; it's a component of net cash flows from investing activities not otherwise defined</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeShortTermInvestmentsOther_lbl" xml:lang="en">Other Proceeds/(Payments) on Short Term Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeShortTermInvestmentsOther_lbl" xml:lang="en">Other Short Term Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeShortTermInvestmentsOther_lbl" xml:lang="en">Other Proceeds/(Payments) on Short Term Investments - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeShortTermTradingInvestments" xlink:label="exc-og_ChangeShortTermTradingInvestments"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeShortTermTradingInvestments" xlink:to="exc-og_ChangeShortTermTradingInvestments_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeShortTermTradingInvestments_lbl" xml:lang="en">Net change in aggregate amount of short term trading investments; shall be classified as cash flow operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeShortTermTradingInvestments_lbl" xml:lang="en">Change Short Term Trading Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeShortTermTradingInvestments_lbl" xml:lang="en">Change Short Term Trading Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeShortTermTradingInvestments_lbl" xml:lang="en">Change Short Term Trading Investments - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeShortTermTradingInvestmentsAbstract" xlink:label="exc-og_ChangeShortTermTradingInvestmentsAbstract"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeShortTermTradingInvestmentsAbstract" xlink:to="exc-og_ChangeShortTermTradingInvestmentsAbstract_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeShortTermTradingInvestmentsAbstract_lbl" xml:lang="en">Net change in aggregate amount of short term trading investments; shall be classified as cash flow operating activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeShortTermTradingInvestmentsAbstract_lbl" xml:lang="en">Change Short Term Trading Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeShortTermTradingInvestmentsAbstract_lbl" xml:lang="en">Change Short Term Trading Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeShortTermTradingInvestmentsAbstract_lbl" xml:lang="en">Change Short Term Trading Investments - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangesMarginDeposits" xlink:label="exc-og_ChangesMarginDeposits"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangesMarginDeposits" xlink:to="exc-og_ChangesMarginDeposits_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangesMarginDeposits_lbl" xml:lang="en">Increase/(Decrease) in Margin Deposits Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangesMarginDeposits_lbl" xml:lang="en">Increase/(Decrease) in Margin Deposits Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangesMarginDeposits_lbl" xml:lang="en">Increase/(Decrease) in Margin Deposits Outstanding</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangesMarginDeposits_lbl" xml:lang="en">Increase/(Decrease) in Margin Deposits Outstanding - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangesMembersEquityAbstract" xlink:label="exc-og_ChangesMembersEquityAbstract"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangesMembersEquityAbstract" xlink:to="exc-og_ChangesMembersEquityAbstract_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangesMembersEquityAbstract_lbl" xml:lang="en">Increase/(Decrease) in Total Member's Equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangesMembersEquityAbstract_lbl" xml:lang="en">Increase/(Decrease) in Total Member's Equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangesMembersEquityAbstract_lbl" xml:lang="en">Increase/(Decrease) in Total Member's Equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangesMembersEquityAbstract_lbl" xml:lang="en">Increase/(Decrease) in Total Member's Equity - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangesNotesPayable" xlink:label="exc-og_ChangesNotesPayable"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangesNotesPayable" xlink:to="exc-og_ChangesNotesPayable_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangesNotesPayable_lbl" xml:lang="en">The net change in the of notes payable: shall be classified as cash flows from Operating activities and reported in the statement of cash flows.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangesNotesPayable_lbl" xml:lang="en">Change in Notes Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangesNotesPayable_lbl" xml:lang="en">Notes Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangesNotesPayable_lbl" xml:lang="en">Change in Notes Payable - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangesOriginationSalesAcquisitionsLoansHeldSaleAbstract" xlink:label="exc-og_ChangesOriginationSalesAcquisitionsLoansHeldSaleAbstract"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangesOriginationSalesAcquisitionsLoansHeldSaleAbstract" xlink:to="exc-og_ChangesOriginationSalesAcquisitionsLoansHeldSaleAbstract_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangesOriginationSalesAcquisitionsLoansHeldSaleAbstract_lbl" xml:lang="en">The net change in the beginning and end of period of Loans Held-for-Sale balances.  Note: This element serves as a category heading only.  No data may be tagged to this element.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangesOriginationSalesAcquisitionsLoansHeldSaleAbstract_lbl" xml:lang="en">Increase/(Decrease) in Loans Held-for-Sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangesOriginationSalesAcquisitionsLoansHeldSaleAbstract_lbl" xml:lang="en">Change in Loans Held-for-Sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangesOriginationSalesAcquisitionsLoansHeldSaleAbstract_lbl" xml:lang="en">Increase/(Decrease) in Loans Held-for-Sale - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangesOtherAccountsPayable" xlink:label="exc-og_ChangesOtherAccountsPayable"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangesOtherAccountsPayable" xlink:to="exc-og_ChangesOtherAccountsPayable_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangesOtherAccountsPayable_lbl" xml:lang="en">The net change in the beginning and end of period Accounts Payable balances.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangesOtherAccountsPayable_lbl" xml:lang="en">Increase/(Decrease) in Other Accounts Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangesOtherAccountsPayable_lbl" xml:lang="en">Other Accounts Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangesOtherAccountsPayable_lbl" xml:lang="en">Increase/(Decrease) in Other Accounts Payable - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangesOtherChangesStockholdersEquityAbstract" xlink:label="exc-og_ChangesOtherChangesStockholdersEquityAbstract"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangesOtherChangesStockholdersEquityAbstract" xlink:to="exc-og_ChangesOtherChangesStockholdersEquityAbstract_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangesOtherChangesStockholdersEquityAbstract_lbl" xml:lang="en">Increase/(Decrease) in Other Changes Stockholders Equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangesOtherChangesStockholdersEquityAbstract_lbl" xml:lang="en">Increase/(Decrease) in Other Changes Stockholders Equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangesOtherChangesStockholdersEquityAbstract_lbl" xml:lang="en">Increase/(Decrease) in Other Changes Stockholders Equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangesOtherChangesStockholdersEquityAbstract_lbl" xml:lang="en">Increase/(Decrease) in Other Changes Stockholders Equity - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangesUnearnedCompensationAbstract" xlink:label="exc-og_ChangesUnearnedCompensationAbstract"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangesUnearnedCompensationAbstract" xlink:to="exc-og_ChangesUnearnedCompensationAbstract_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangesUnearnedCompensationAbstract_lbl" xml:lang="en">Increase/(Decrease) in Unearned Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangesUnearnedCompensationAbstract_lbl" xml:lang="en">Increase/(Decrease) in Unearned Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangesUnearnedCompensationAbstract_lbl" xml:lang="en">Increase/(Decrease) in Unearned Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangesUnearnedCompensationAbstract_lbl" xml:lang="en">Increase/(Decrease) in Unearned Compensation - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeTransferToExelonEnergyAccumulatedOther" xlink:label="exc-og_ChangeTransferToExelonEnergyAccumulatedOther"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeTransferToExelonEnergyAccumulatedOther" xlink:to="exc-og_ChangeTransferToExelonEnergyAccumulatedOther_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeTransferToExelonEnergyAccumulatedOther_lbl" xml:lang="en">Transfer of Exelon Energy - Accumulated Other Comprehensive Income (Loss).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeTransferToExelonEnergyAccumulatedOther_lbl" xml:lang="en">Transfer of Exelon Energy - Accumulated Other Comprehensive Income (Loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeTransferToExelonEnergyAccumulatedOther_lbl" xml:lang="en">Transfer of Exelon Energy - Accumulated Other Comprehensive Income (Loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeTransferToExelonEnergyAccumulatedOther_lbl" xml:lang="en">Transfer of Exelon Energy - Accumulated Other Comprehensive Income (Loss) - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeUnbilledReceivables" xlink:label="exc-og_ChangeUnbilledReceivables"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeUnbilledReceivables" xlink:to="exc-og_ChangeUnbilledReceivables_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeUnbilledReceivables_lbl" xml:lang="en">The net change in the aggregate amount of Cost and earnings in excess of amounts billed (include both current &amp; non-current portions). Usually related to long term contracts, net of uncollectible accounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeUnbilledReceivables_lbl" xml:lang="en">Change Unbilled Receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeUnbilledReceivables_lbl" xml:lang="en">Change Unbilled Receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeUnbilledReceivables_lbl" xml:lang="en">Change Unbilled Receivables - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeUnderEnergyRecovery" xlink:label="exc-og_ChangeUnderEnergyRecovery"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeUnderEnergyRecovery" xlink:to="exc-og_ChangeUnderEnergyRecovery_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeUnderEnergyRecovery_lbl" xml:lang="en">An under-recovery means that the basic energy product price based on the daily product price and exchange rate is more  than the basic fuel price used in the calculation of the monthly retail energy product. An over-recovery therefore implies that the retail energy product price can be lowered at the next monthly price adjustment, provided the government does not introduce a new levy or raise either the wholesale or retail margin.  However, transition charge revenues are expected to vary from projected amounts due to variations in power usage and the effects of unbilled revenue accruals, resulting in temporary over or under recovery of transition charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeUnderEnergyRecovery_lbl" xml:lang="en">Change Under Energy Recovery</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeUnderEnergyRecovery_lbl" xml:lang="en">Change Under Energy Recovery</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeUnderEnergyRecovery_lbl" xml:lang="en">Change Under Energy Recovery - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeUnprovedOilGasProperty" xlink:label="exc-og_ChangeUnprovedOilGasProperty"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeUnprovedOilGasProperty" xlink:to="exc-og_ChangeUnprovedOilGasProperty_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeUnprovedOilGasProperty_lbl" xml:lang="en">Change in carrying value of unproved oil and gas properties.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeUnprovedOilGasProperty_lbl" xml:lang="en">Change in Unproved Oil and Gas Property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeUnprovedOilGasProperty_lbl" xml:lang="en">Unproved Oil and Gas Property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeUnprovedOilGasProperty_lbl" xml:lang="en">Change in Unproved Oil and Gas Property - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeUnrealizedGainLossOnMarketableSecuritiesNetTaxEffect" xlink:label="exc-og_ChangeUnrealizedGainLossOnMarketableSecuritiesNetTaxEffect"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeUnrealizedGainLossOnMarketableSecuritiesNetTaxEffect" xlink:to="exc-og_ChangeUnrealizedGainLossOnMarketableSecuritiesNetTaxEffect_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeUnrealizedGainLossOnMarketableSecuritiesNetTaxEffect_lbl" xml:lang="en">The change in accumulated unrealized holding gains and losses on securities available for sale, or that result from the transfer of a debt security being transferred from 'hold-to-maturity' category to 'avail-for-sale'. Increases or decreases in the fair value of securities available for sale that occur after such securities have been written down as impaired.  Net of tax effect.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeUnrealizedGainLossOnMarketableSecuritiesNetTaxEffect_lbl" xml:lang="en">Increase/(Decrease) in Unrealized Gain/(Loss) on Marketable Securities, Net of Tax Effect</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeUnrealizedGainLossOnMarketableSecuritiesNetTaxEffect_lbl" xml:lang="en">Unrealized Gain/Loss on Marketable Securities, Net of Tax Effect</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeUnrealizedGainLossOnMarketableSecuritiesNetTaxEffect_lbl" xml:lang="en">Increase/(Decrease) in Unrealized Gain/(Loss) on Marketable Securities, Net of Tax Effect - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeUnrealizedGainLossOnMarketableSecuritiesTaxEffect" xlink:label="exc-og_ChangeUnrealizedGainLossOnMarketableSecuritiesTaxEffect"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeUnrealizedGainLossOnMarketableSecuritiesTaxEffect" xlink:to="exc-og_ChangeUnrealizedGainLossOnMarketableSecuritiesTaxEffect_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeUnrealizedGainLossOnMarketableSecuritiesTaxEffect_lbl" xml:lang="en">Tax effect of the change in accumulated unrealized holding gains and losses on securities available for sale, or that result from the transfer of a debt security being transferred from 'hold-to-maturity' category to 'avail-for-sale'.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeUnrealizedGainLossOnMarketableSecuritiesTaxEffect_lbl" xml:lang="en">Increase/(Decrease) in Unrealized Gain/(Loss) on Marketable Securities, Tax Effect</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeUnrealizedGainLossOnMarketableSecuritiesTaxEffect_lbl" xml:lang="en">Unrealized Gain/Loss on Marketable Securities, Tax Effect</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeUnrealizedGainLossOnMarketableSecuritiesTaxEffect_lbl" xml:lang="en">Increase/(Decrease) in Unrealized Gain/(Loss) on Marketable Securities, Tax Effect - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeUnrealizedGainsLossesOnAvailableSaleSecuritiesNetTaxEffect" xlink:label="exc-og_ChangeUnrealizedGainsLossesOnAvailableSaleSecuritiesNetTaxEffect"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeUnrealizedGainsLossesOnAvailableSaleSecuritiesNetTaxEffect" xlink:to="exc-og_ChangeUnrealizedGainsLossesOnAvailableSaleSecuritiesNetTaxEffect_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeUnrealizedGainsLossesOnAvailableSaleSecuritiesNetTaxEffect_lbl" xml:lang="en">The change in accumulated unrealized holding gains and losses on securities available for sale, or that result from the transfer of a debt security being transferred from 'hold-to-maturity' category to 'avail-for-sale'. Increases or decreases in the fair value of securities available for sale that occur after such securities have been written down as impaired.  Component of 'Other Comprehensive Income'.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeUnrealizedGainsLossesOnAvailableSaleSecuritiesNetTaxEffect_lbl" xml:lang="en">Increase/(Decrease) in Unrealized Gains/(Losses) on Available for Sale Securities, Net of Tax Effect</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeUnrealizedGainsLossesOnAvailableSaleSecuritiesNetTaxEffect_lbl" xml:lang="en">Unrealized Gains/Losses on Available for Sale Securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeUnrealizedGainsLossesOnAvailableSaleSecuritiesNetTaxEffect_lbl" xml:lang="en">Increase/(Decrease) in Unrealized Gains/(Losses) on Available for Sale Securities, Net of Tax Effect - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeUnrealizedGainsLossesOnAvailableSaleSecuritiesTaxEffect" xlink:label="exc-og_ChangeUnrealizedGainsLossesOnAvailableSaleSecuritiesTaxEffect"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeUnrealizedGainsLossesOnAvailableSaleSecuritiesTaxEffect" xlink:to="exc-og_ChangeUnrealizedGainsLossesOnAvailableSaleSecuritiesTaxEffect_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeUnrealizedGainsLossesOnAvailableSaleSecuritiesTaxEffect_lbl" xml:lang="en">Tax effect of the change in accumulated unrealized holding gains and losses on securities available for sale, or that result from the transfer of a debt security being transferred from 'hold-to-maturity' category to 'avail-for-sale'.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeUnrealizedGainsLossesOnAvailableSaleSecuritiesTaxEffect_lbl" xml:lang="en">Increase/(Decrease) in Unrealized Gains/(Losses) on Available for Sale Securities, Tax Effect</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeUnrealizedGainsLossesOnAvailableSaleSecuritiesTaxEffect_lbl" xml:lang="en">Unrealized Gains/Losses on Available for Sale Securities, Tax Effect</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeUnrealizedGainsLossesOnAvailableSaleSecuritiesTaxEffect_lbl" xml:lang="en">Increase/(Decrease) in Unrealized Gains/(Losses) on Available for Sale Securities, Tax Effect - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ChangeWorkersCompensationLiabilities" xlink:label="exc-og_ChangeWorkersCompensationLiabilities"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ChangeWorkersCompensationLiabilities" xlink:to="exc-og_ChangeWorkersCompensationLiabilities_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ChangeWorkersCompensationLiabilities_lbl" xml:lang="en">The net change in the beginning and end of period workers compensation liabilities balances.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ChangeWorkersCompensationLiabilities_lbl" xml:lang="en">Increase/(Decrease) in Workers Compensation Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ChangeWorkersCompensationLiabilities_lbl" xml:lang="en">Increase/(Decrease) in Workers Compensation Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ChangeWorkersCompensationLiabilities_lbl" xml:lang="en">Increase/(Decrease) in Workers Compensation Liabilities - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CleanEnergyProgramLiabilityCurrent" xlink:label="exc-og_CleanEnergyProgramLiabilityCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CleanEnergyProgramLiabilityCurrent" xlink:to="exc-og_CleanEnergyProgramLiabilityCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CleanEnergyProgramLiabilityCurrent_lbl" xml:lang="en">Current Portion of Clean Energy Program - The Board of Public Utilities has approved a new funding requirement for each utility applicable to Renewable Energy and Energy Efficiency programs. The sum of Public Service Electric and Gas's electric and gas funding requirement, a liability that has been recorded at discounted present value with an offsetting regulatory asset (less than 12 months).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CleanEnergyProgramLiabilityCurrent_lbl" xml:lang="en">Current Portion of Clean Energy Program</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CleanEnergyProgramLiabilityCurrent_lbl" xml:lang="en">Current Portion of Clean Energy Program</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CleanEnergyProgramLiabilityCurrent_lbl" xml:lang="en">Current Portion of Clean Energy Program - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CleanEnergyProgramLiabilityNoncurrent" xlink:label="exc-og_CleanEnergyProgramLiabilityNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CleanEnergyProgramLiabilityNoncurrent" xlink:to="exc-og_CleanEnergyProgramLiabilityNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CleanEnergyProgramLiabilityNoncurrent_lbl" xml:lang="en">Noncurrent Clean Energy Program - The Board of Public Utilities has approved a new funding requirement for each utility applicable to Renewable Energy and Energy Efficiency programs. The sum of Public Service Electric and Gas's electric and gas funding requirement, a liability that has been recorded at discounted present value with an offsetting regulatory asset (greater  than 12 months).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CleanEnergyProgramLiabilityNoncurrent_lbl" xml:lang="en">Clean Energy Program Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CleanEnergyProgramLiabilityNoncurrent_lbl" xml:lang="en">Clean Energy Program Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CleanEnergyProgramLiabilityNoncurrent_lbl" xml:lang="en">Clean Energy Program Noncurrent - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CoalSupplyAgreementObligationNoncurrent" xlink:label="exc-og_CoalSupplyAgreementObligationNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CoalSupplyAgreementObligationNoncurrent" xlink:to="exc-og_CoalSupplyAgreementObligationNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CoalSupplyAgreementObligationNoncurrent_lbl" xml:lang="en">Noncurrent liability of coal supply agreement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CoalSupplyAgreementObligationNoncurrent_lbl" xml:lang="en">Coal Supply Agreement Obligations - Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CoalSupplyAgreementObligationNoncurrent_lbl" xml:lang="en">Coal Supply Agreement Obligations - Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CoalSupplyAgreementObligationNoncurrent_lbl" xml:lang="en">Coal Supply Agreement Obligations - Noncurrent - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CommissionPayableCurrent" xlink:label="exc-og_CommissionPayableCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CommissionPayableCurrent" xlink:to="exc-og_CommissionPayableCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CommissionPayableCurrent_lbl" xml:lang="en">Commission payable is simply a distribution expense for the product provider. The fee paid to a broker for executing a trade. A fee charged by a broker or agent for his/her service in facilitating a transaction, such as the buying or selling of securities or real estate. In the case of securities trading, brokers can be split into two broad categories depending on the commissions they charge. Discount brokers charge relatively low commissions, but provide no services beyond executing trades. Full service brokers charge higher commissions, but provide research and investment advisory services.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CommissionPayableCurrent_lbl" xml:lang="en">Commissions Payable - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CommissionPayableCurrent_lbl" xml:lang="en">Commissions Payable - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CommissionPayableCurrent_lbl" xml:lang="en">Commissions Payable - Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CommodityContractAssetCurrent" xlink:label="exc-og_CommodityContractAssetCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CommodityContractAssetCurrent" xlink:to="exc-og_CommodityContractAssetCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CommodityContractAssetCurrent_lbl" xml:lang="en">Portion of current assets attributable to commodity contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CommodityContractAssetCurrent_lbl" xml:lang="en">Commodity Contract Asset - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CommodityContractAssetCurrent_lbl" xml:lang="en">Commodity Contract Asset - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CommodityContractAssetCurrent_lbl" xml:lang="en">Commodity Contract Asset - Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CommodityContractAssetNoncurrent" xlink:label="exc-og_CommodityContractAssetNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CommodityContractAssetNoncurrent" xlink:to="exc-og_CommodityContractAssetNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CommodityContractAssetNoncurrent_lbl" xml:lang="en">Long-term assets from commodity contract asset</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CommodityContractAssetNoncurrent_lbl" xml:lang="en">Assets from Commodity Contract Assets - Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CommodityContractAssetNoncurrent_lbl" xml:lang="en">Assets from Commodity Contract Assets - Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CommodityContractAssetNoncurrent_lbl" xml:lang="en">Assets from Commodity Contract Assets - Noncurrent - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CommodityContractLiabilitiesCurrent" xlink:label="exc-og_CommodityContractLiabilitiesCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CommodityContractLiabilitiesCurrent" xlink:to="exc-og_CommodityContractLiabilitiesCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CommodityContractLiabilitiesCurrent_lbl" xml:lang="en">Current liability arising from commodity contract assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CommodityContractLiabilitiesCurrent_lbl" xml:lang="en">Commodity Contract Liabilities - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CommodityContractLiabilitiesCurrent_lbl" xml:lang="en">Commodity Contract Liabilities - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CommodityContractLiabilitiesCurrent_lbl" xml:lang="en">Commodity Contract Liabilities - Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CommodityContractLiabilitiesNoncurrent" xlink:label="exc-og_CommodityContractLiabilitiesNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CommodityContractLiabilitiesNoncurrent" xlink:to="exc-og_CommodityContractLiabilitiesNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CommodityContractLiabilitiesNoncurrent_lbl" xml:lang="en">Noncurrent liability arising from commodity contract assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CommodityContractLiabilitiesNoncurrent_lbl" xml:lang="en">Commodity Contract Liabilities -Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CommodityContractLiabilitiesNoncurrent_lbl" xml:lang="en">Commodity Contract Liabilities - Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CommodityContractLiabilitiesNoncurrent_lbl" xml:lang="en">Commodity Contract Liabilities -Noncurrent - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CommonClassAValue" xlink:label="exc-og_CommonClassAValue"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CommonClassAValue" xlink:to="exc-og_CommonClassAValue_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CommonClassAValue_lbl" xml:lang="en">Value of common class A stock outstanding.  Value may be calculated differently depending on whether the stock is issued at par value, no par or stated value.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CommonClassAValue_lbl" xml:lang="en">Common Class A - Value (Excluding Additional Paid in Capital)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CommonClassAValue_lbl" xml:lang="en">Class A Common Stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CommonClassAValue_lbl" xml:lang="en">Common Class A - Value (Excluding Additional Paid in Capital) - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CommonClassBValue" xlink:label="exc-og_CommonClassBValue"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CommonClassBValue" xlink:to="exc-og_CommonClassBValue_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CommonClassBValue_lbl" xml:lang="en">Value of common class B stock outstanding.  Value may be calculated differently depending on whether the stock is issued at par value, no par or stated value.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CommonClassBValue_lbl" xml:lang="en">Common Class B  - Value (Excluding Additional Paid in Capital)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CommonClassBValue_lbl" xml:lang="en">Class B Common Stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CommonClassBValue_lbl" xml:lang="en">Common Class B  - Value (Excluding Additional Paid in Capital) - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CommonPlant" xlink:label="exc-og_CommonPlant"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CommonPlant" xlink:to="exc-og_CommonPlant_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CommonPlant_lbl" xml:lang="en">Utility plant used by a combination utility company (i.e., one which renders more than one utility service, such as gas and electric) to such extent and in such manner as to render segregation impractical, as would be the case of a garage housing gas utility and electric utility trucks. A plant used by a utility in rendering more than one type of service, such as electric and gas, i.e., a corporate headquarters, computer equipment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CommonPlant_lbl" xml:lang="en">Common Plant</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CommonPlant_lbl" xml:lang="en">Common Plant</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CommonPlant_lbl" xml:lang="en">Common Plant - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CommonStockAllocationTaxBenefitFromParentChanges" xlink:label="exc-og_CommonStockAllocationTaxBenefitFromParentChanges"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CommonStockAllocationTaxBenefitFromParentChanges" xlink:to="exc-og_CommonStockAllocationTaxBenefitFromParentChanges_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CommonStockAllocationTaxBenefitFromParentChanges_lbl" xml:lang="en">Allocation of income tax benefit from parent - Common Stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CommonStockAllocationTaxBenefitFromParentChanges_lbl" xml:lang="en">Allocation of income tax benefit from parent - Common Stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CommonStockAllocationTaxBenefitFromParentChanges_lbl" xml:lang="en">Allocation of income tax benefit from parent - Common Stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CommonStockAllocationTaxBenefitFromParentChanges_lbl" xml:lang="en">Allocation of income tax benefit from parent - Common Stock - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CommonStockCapitalContributionFromParentChanges" xlink:label="exc-og_CommonStockCapitalContributionFromParentChanges"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CommonStockCapitalContributionFromParentChanges" xlink:to="exc-og_CommonStockCapitalContributionFromParentChanges_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CommonStockCapitalContributionFromParentChanges_lbl" xml:lang="en">Capital contribution from parent - Common Stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CommonStockCapitalContributionFromParentChanges_lbl" xml:lang="en">Capital contribution from parent - Common Stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CommonStockCapitalContributionFromParentChanges_lbl" xml:lang="en">Capital contribution from parent - Common Stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CommonStockCapitalContributionFromParentChanges_lbl" xml:lang="en">Capital contribution from parent - Common Stock - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CommonStockDividendsDeclared" xlink:label="exc-og_CommonStockDividendsDeclared"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CommonStockDividendsDeclared" xlink:to="exc-og_CommonStockDividendsDeclared_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CommonStockDividendsDeclared_lbl" xml:lang="en">Common stock dividends declared and/or paid by an entity to common shareholders.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CommonStockDividendsDeclared_lbl" xml:lang="en">Common stock dividends declared</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CommonStockDividendsDeclared_lbl" xml:lang="en">Common stock dividends declared</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CommonStockDividendsDeclared_lbl" xml:lang="en">Common stock dividends declared - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CommonStockHeldBySubsidiaryAtCost" xlink:label="exc-og_CommonStockHeldBySubsidiaryAtCost"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CommonStockHeldBySubsidiaryAtCost" xlink:to="exc-og_CommonStockHeldBySubsidiaryAtCost_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CommonStockHeldBySubsidiaryAtCost_lbl" xml:lang="en">Company shares held by subsidiary, which are purchased for the purpose of granting the shares to senior employees as part of an employee stock option plan approved by the Company's Board of Directors, are presented as reduction of shareholders' equity under cost of Company shares held by subsidiary , at their cost to the subsidiary.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CommonStockHeldBySubsidiaryAtCost_lbl" xml:lang="en">Common Stock Held By Subsidiary</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CommonStockHeldBySubsidiaryAtCost_lbl" xml:lang="en">Common Stock Held By Subsidiary</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CommonStockHeldBySubsidiaryAtCost_lbl" xml:lang="en">Common Stock Held By Subsidiary - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CommonStockIssuedLongTermIncentivePlanActivity" xlink:label="exc-og_CommonStockIssuedLongTermIncentivePlanActivity"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CommonStockIssuedLongTermIncentivePlanActivity" xlink:to="exc-og_CommonStockIssuedLongTermIncentivePlanActivity_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CommonStockIssuedLongTermIncentivePlanActivity_lbl" xml:lang="en">Common stock related to long-term incentive plan activity.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CommonStockIssuedLongTermIncentivePlanActivity_lbl" xml:lang="en">Long-Term Incentive Plan Activity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CommonStockIssuedLongTermIncentivePlanActivity_lbl" xml:lang="en">Long-Term Incentive Plan Activity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CommonStockIssuedLongTermIncentivePlanActivity_lbl" xml:lang="en">Long-Term Incentive Plan Activity - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CommonStockPurchasedRetiredForwardContract" xlink:label="exc-og_CommonStockPurchasedRetiredForwardContract"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CommonStockPurchasedRetiredForwardContract" xlink:to="exc-og_CommonStockPurchasedRetiredForwardContract_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CommonStockPurchasedRetiredForwardContract_lbl" xml:lang="en">Total value of common stock that has been purchased and retired by an entity and the value of forward contract in relation to certain treasury stock.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CommonStockPurchasedRetiredForwardContract_lbl" xml:lang="en">Common Stock Purchases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CommonStockPurchasedRetiredForwardContract_lbl" xml:lang="en">Common Stock Purchases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CommonStockPurchasedRetiredForwardContract_lbl" xml:lang="en">Common Stock Purchases - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CommonStockPurchasedRetiredForwardContractParValue" xlink:label="exc-og_CommonStockPurchasedRetiredForwardContractParValue"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CommonStockPurchasedRetiredForwardContractParValue" xlink:to="exc-og_CommonStockPurchasedRetiredForwardContractParValue_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CommonStockPurchasedRetiredForwardContractParValue_lbl" xml:lang="en">Value of forward contract in relation to certain treasury stock.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CommonStockPurchasedRetiredForwardContractParValue_lbl" xml:lang="en">Common Stock - Value of forward contract in relation to certain treasury stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CommonStockPurchasedRetiredForwardContractParValue_lbl" xml:lang="en">Par Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CommonStockPurchasedRetiredForwardContractParValue_lbl" xml:lang="en">Common Stock - Value of forward contract in relation to certain treasury stock - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CommonStockSharesOutstandingTotalBeginningBalance" xlink:label="exc-og_CommonStockSharesOutstandingTotalBeginningBalance"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CommonStockSharesOutstandingTotalBeginningBalance" xlink:to="exc-og_CommonStockSharesOutstandingTotalBeginningBalance_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CommonStockSharesOutstandingTotalBeginningBalance_lbl" xml:lang="en">Total number of common shares outstanding at the beginning of accounting period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CommonStockSharesOutstandingTotalBeginningBalance_lbl" xml:lang="en">Common Stock Shares Outstanding - All Classes - Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CommonStockSharesOutstandingTotalBeginningBalance_lbl" xml:lang="en">Common Stock Shares Outstanding - All Classes - Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CommonStockSharesOutstandingTotalBeginningBalance_lbl" xml:lang="en">Common Stock Shares Outstanding - All Classes - Beginning Balance - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CommonStockSharesOutstandingTotalEndingBalance" xlink:label="exc-og_CommonStockSharesOutstandingTotalEndingBalance"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CommonStockSharesOutstandingTotalEndingBalance" xlink:to="exc-og_CommonStockSharesOutstandingTotalEndingBalance_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CommonStockSharesOutstandingTotalEndingBalance_lbl" xml:lang="en">Total number of common shares outstanding at the end of accounting period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CommonStockSharesOutstandingTotalEndingBalance_lbl" xml:lang="en">Common Stock Shares Outstanding - All Classes - Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CommonStockSharesOutstandingTotalEndingBalance_lbl" xml:lang="en">Common Stock Shares Outstanding - All Classes - Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CommonStockSharesOutstandingTotalEndingBalance_lbl" xml:lang="en">Common Stock Shares Outstanding - All Classes - Ending Balance - Total</label>
    <loc xlink:type="locator" xlink:href="http://www.xbrl.org/us/fr/common/pte/2005-02-28/usfr-pte-2005-02-28.xsd#usfr-pte_CommonStockValue" xlink:label="usfr-pte_CommonStockValue"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="usfr-pte_CommonStockValue" xlink:to="usfr-pte_CommonStockValue_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="usfr-pte_CommonStockValue_lbl" xml:lang="en">Value of common stock outstanding.  Value may be calculated differently depending on whether the stock is issued at par value, no par or stated value.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="usfr-pte_CommonStockValue_lbl" xml:lang="en">Common stock (No par value, 2,000 shares authorized, 661 and 670 shares outstanding at December 31, 2007 and 2006, respectively)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="usfr-pte_CommonStockValue_lbl" xml:lang="en">Common stock (No par value, 2,000 shares authorized, 661 and 670 shares outstanding at December 31, 2007 and 2006, respectively)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="usfr-pte_CommonStockValue_lbl" xml:lang="en">Common stock (No par value, 2,000 shares authorized, 661 and 670 shares outstanding at December 31, 2007 and 2006, respectively)</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CommonStockValueHeldTrust" xlink:label="exc-og_CommonStockValueHeldTrust"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CommonStockValueHeldTrust" xlink:to="exc-og_CommonStockValueHeldTrust_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CommonStockValueHeldTrust_lbl" xml:lang="en">Common Stock Held in Trust</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CommonStockValueHeldTrust_lbl" xml:lang="en">Common Stock Held in Trust</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CommonStockValueHeldTrust_lbl" xml:lang="en">Common Stock Held in Trust and Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CommonStockValueHeldTrust_lbl" xml:lang="en">Common Stock Held in Trust - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CommonStockValueTotalBeginningBalance" xlink:label="exc-og_CommonStockValueTotalBeginningBalance"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CommonStockValueTotalBeginningBalance" xlink:to="exc-og_CommonStockValueTotalBeginningBalance_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CommonStockValueTotalBeginningBalance_lbl" xml:lang="en">Aggregate legal value (par value, stated value or issuance value in case of non-par or non-stated-value stock) for all common stocks from the reporting entity at the beginning of accounting period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CommonStockValueTotalBeginningBalance_lbl" xml:lang="en">Common Stock Value (Excluding Additional Paid in Capital) - All Classes - Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CommonStockValueTotalBeginningBalance_lbl" xml:lang="en">Common Stock Value (Excluding Additional Paid in Capital) - All Classes - Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CommonStockValueTotalBeginningBalance_lbl" xml:lang="en">Common Stock Value (Excluding Additional Paid in Capital) - All Classes - Beginning Balance - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CommonStockValueTotalEndingBalance" xlink:label="exc-og_CommonStockValueTotalEndingBalance"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CommonStockValueTotalEndingBalance" xlink:to="exc-og_CommonStockValueTotalEndingBalance_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CommonStockValueTotalEndingBalance_lbl" xml:lang="en">Aggregate legal value (par value, stated value or issuance value in case of non-par or non-stated-value stock) for all common stocks from the reporting  entity at the financial statement date.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CommonStockValueTotalEndingBalance_lbl" xml:lang="en">Common Stock Value (Excluding Additional Paid in Capital) - All Classes - Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CommonStockValueTotalEndingBalance_lbl" xml:lang="en">Common Stock Value (Excluding Additional Paid in Capital) - Total</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CommonStockValueTotalEndingBalance_lbl" xml:lang="en">Common Stock Value (Excluding Additional Paid in Capital) - All Classes - Ending Balance - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CompanyObligatedMandatorilyRedeemablePreferredCapitalSecuritiesSubsidiaryTrusts" xlink:label="exc-og_CompanyObligatedMandatorilyRedeemablePreferredCapitalSecuritiesSubsidiaryTrusts"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CompanyObligatedMandatorilyRedeemablePreferredCapitalSecuritiesSubsidiaryTrusts" xlink:to="exc-og_CompanyObligatedMandatorilyRedeemablePreferredCapitalSecuritiesSubsidiaryTrusts_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CompanyObligatedMandatorilyRedeemablePreferredCapitalSecuritiesSubsidiaryTrusts_lbl" xml:lang="en">Also add Regulation S-X 5.02.28 and FAS 150 paragraph 9, 20-23</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CompanyObligatedMandatorilyRedeemablePreferredCapitalSecuritiesSubsidiaryTrusts_lbl" xml:lang="en">Company Obligated Mandatorily Redeemable Preferred Capital Securities of Subsidiary Trusts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CompanyObligatedMandatorilyRedeemablePreferredCapitalSecuritiesSubsidiaryTrusts_lbl" xml:lang="en">Company Obligated Mandatorily Redeemable Preferred Capital Securities of Subsidiary Trusts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CompanyObligatedMandatorilyRedeemablePreferredCapitalSecuritiesSubsidiaryTrusts_lbl" xml:lang="en">Company Obligated Mandatorily Redeemable Preferred Capital Securities of Subsidiary Trusts - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CompanyOwnedLifeInsurance" xlink:label="exc-og_CompanyOwnedLifeInsurance"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CompanyOwnedLifeInsurance" xlink:to="exc-og_CompanyOwnedLifeInsurance_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CompanyOwnedLifeInsurance_lbl" xml:lang="en">Company-owned life insurance (COLI) is life insurance on employee's lives but owned by the corporation. COLI was originally only used for highly skilled workers or executives, and was purchased by a company to hedge against the valid financial risk of recruiting and training a replacement for key employees. This use is commonly known as Key man or Key person insurance. In the 1980s, as corporations realized the tax advantages of this arrangement, they began writing policies on masses of lower-level employees. When these employees die, the company benefits, and their families receive either a small portion of the proceeds or nothing. These policies can remain in place even after the employee quits or retires.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CompanyOwnedLifeInsurance_lbl" xml:lang="en">Company Owned Life Insurance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CompanyOwnedLifeInsurance_lbl" xml:lang="en">Company Owned Life Insurance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CompanyOwnedLifeInsurance_lbl" xml:lang="en">Company Owned Life Insurance - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CompensationBenefitsTrust" xlink:label="exc-og_CompensationBenefitsTrust"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CompensationBenefitsTrust" xlink:to="exc-og_CompensationBenefitsTrust_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CompensationBenefitsTrust_lbl" xml:lang="en">Common stock used to secure present and future unfunded benefit obligations provided for certain employees and nonemployee directors.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CompensationBenefitsTrust_lbl" xml:lang="en">Compensation and Benefits Trust</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CompensationBenefitsTrust_lbl" xml:lang="en">Compensation and Benefits Trust</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CompensationBenefitsTrust_lbl" xml:lang="en">Compensation and Benefits Trust - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CompetitiveEngeryServices" xlink:label="exc-og_CompetitiveEngeryServices"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CompetitiveEngeryServices" xlink:to="exc-og_CompetitiveEngeryServices_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CompetitiveEngeryServices_lbl" xml:lang="en">The provision of aggregation service or electricity supply service and/or natural gas supply service to retail customers by a competitive service provider.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CompetitiveEngeryServices_lbl" xml:lang="en">Competitive Engery Services</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CompetitiveEngeryServices_lbl" xml:lang="en">Competitive Engery Services</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CompetitiveEngeryServices_lbl" xml:lang="en">Competitive Engery Services - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CompetitiveTransitionChargeNoncurrent" xlink:label="exc-og_CompetitiveTransitionChargeNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CompetitiveTransitionChargeNoncurrent" xlink:to="exc-og_CompetitiveTransitionChargeNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CompetitiveTransitionChargeNoncurrent_lbl" xml:lang="en">Competitive Transition Charge (CTC) - A charge, approved by the Public Service Commission that allows unbundled utilities to recover investments in certain assets, such as power plants. The charge covers the remaining investment costs that were previously included in electric rates. A CTC allows utilities to recover these costs over a set period of time (the transition period), after which the CTC is phased out. See Stranded Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CompetitiveTransitionChargeNoncurrent_lbl" xml:lang="en">Competitive Transition Charge</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CompetitiveTransitionChargeNoncurrent_lbl" xml:lang="en">Competitive Transition Charge</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CompetitiveTransitionChargeNoncurrent_lbl" xml:lang="en">Competitive Transition Charge - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ComponenetsIncomeBeforeIncomeTaxes" xlink:label="exc-og_ComponenetsIncomeBeforeIncomeTaxes"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ComponenetsIncomeBeforeIncomeTaxes" xlink:to="exc-og_ComponenetsIncomeBeforeIncomeTaxes_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ComponenetsIncomeBeforeIncomeTaxes_lbl" xml:lang="en">Listing of the revenue/expense components that give rise to income from continuing operations before income tax provisions in reporting entity's income statement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ComponenetsIncomeBeforeIncomeTaxes_lbl" xml:lang="en">Components of Income Before Income Taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ComponenetsIncomeBeforeIncomeTaxes_lbl" xml:lang="en">Income Before Income Taxes</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ComponenetsIncomeBeforeIncomeTaxes_lbl" xml:lang="en">Components of Income Before Income Taxes - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ComprehensiveActuarialLossReclassified" xlink:label="exc-og_ComprehensiveActuarialLossReclassified"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ComprehensiveActuarialLossReclassified" xlink:to="exc-og_ComprehensiveActuarialLossReclassified_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ComprehensiveActuarialLossReclassified_lbl" xml:lang="en">Actuarial gain/(loss) reclassified to period benefit cost related to pension and non-pension postretirement benefit plans, net of income taxes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ComprehensiveActuarialLossReclassified_lbl" xml:lang="en">Actuarial loss reclassified to periodic cost, net of income taxes of $57</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ComprehensiveActuarialLossReclassified_lbl" xml:lang="en">Actuarial loss reclassified to periodic cost, net of income taxes of $57</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ComprehensiveActuarialLossReclassified_lbl" xml:lang="en">Actuarial loss reclassified to period benefit cost - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ComprehensiveFinalizationBenefitPlanValuation" xlink:label="exc-og_ComprehensiveFinalizationBenefitPlanValuation"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ComprehensiveFinalizationBenefitPlanValuation" xlink:to="exc-og_ComprehensiveFinalizationBenefitPlanValuation_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ComprehensiveFinalizationBenefitPlanValuation_lbl" xml:lang="en">Finalization of pension and non-pension postretirement benefit plan valuation, net of income taxes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ComprehensiveFinalizationBenefitPlanValuation_lbl" xml:lang="en">Finalization of pension and non-pension postretirement benefit plan valuation, net of income taxes of $1</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ComprehensiveFinalizationBenefitPlanValuation_lbl" xml:lang="en">Finalization of pension and non-pension postretirement benefit plan valuation, net of income taxes of $1</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ComprehensiveFinalizationBenefitPlanValuation_lbl" xml:lang="en">Finalization of pension and non-pension postretirement benefit plan valuation - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ComprehensiveForeignCurrencyExchangeGainsLosses" xlink:label="exc-og_ComprehensiveForeignCurrencyExchangeGainsLosses"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ComprehensiveForeignCurrencyExchangeGainsLosses" xlink:to="exc-og_ComprehensiveForeignCurrencyExchangeGainsLosses_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ComprehensiveForeignCurrencyExchangeGainsLosses_lbl" xml:lang="en">Foreign currency translation adjustment, net of income taxes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ComprehensiveForeignCurrencyExchangeGainsLosses_lbl" xml:lang="en">Foreign currency translation adjustment, net of income taxes of $0, $0, and $(1), respectively</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ComprehensiveForeignCurrencyExchangeGainsLosses_lbl" xml:lang="en">Foreign currency translation adjustment, net of income taxes of $0, $0, and $(1), respectively</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ComprehensiveForeignCurrencyExchangeGainsLosses_lbl" xml:lang="en">Comprehensive Foreign Currency Exchange Gains/(Losses) - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ComprehensiveIncomeAdjustmentAdoptionFAS158" xlink:label="exc-og_ComprehensiveIncomeAdjustmentAdoptionFAS158"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ComprehensiveIncomeAdjustmentAdoptionFAS158" xlink:to="exc-og_ComprehensiveIncomeAdjustmentAdoptionFAS158_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ComprehensiveIncomeAdjustmentAdoptionFAS158_lbl" xml:lang="en">Adoption of SFAS No. 158.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ComprehensiveIncomeAdjustmentAdoptionFAS158_lbl" xml:lang="en">Adoption of SFAS No. 158</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ComprehensiveIncomeAdjustmentAdoptionFAS158_lbl" xml:lang="en">Adoption of SFAS No. 158</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ComprehensiveIncomeAdjustmentAdoptionFAS158_lbl" xml:lang="en">Adoption of SFAS No. 158 - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ComprehensiveIncomeBeginningBalance" xlink:label="exc-og_ComprehensiveIncomeBeginningBalance"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ComprehensiveIncomeBeginningBalance" xlink:to="exc-og_ComprehensiveIncomeBeginningBalance_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ComprehensiveIncomeBeginningBalance_lbl" xml:lang="en">Comprehensive Income at the beginning of accounting period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ComprehensiveIncomeBeginningBalance_lbl" xml:lang="en">Comprehensive Income - Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ComprehensiveIncomeBeginningBalance_lbl" xml:lang="en">Comprehensive Income - Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ComprehensiveIncomeBeginningBalance_lbl" xml:lang="en">Comprehensive Income - Beginning Balance - Total</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ComprehensiveIncomeChanges" xlink:to="exc-og_ComprehensiveIncomeChanges_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ComprehensiveIncomeChanges_lbl" xml:lang="en">Comprehensive Income Activity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ComprehensiveIncomeChanges_lbl" xml:lang="en">Comprehensive Income Activity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ComprehensiveIncomeChanges_lbl" xml:lang="en">Comprehensive Income Activity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ComprehensiveIncomeChanges_lbl" xml:lang="en">Comprehensive Income Activity - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ComprehensiveIncomeEndingBalance" xlink:label="exc-og_ComprehensiveIncomeEndingBalance"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ComprehensiveIncomeEndingBalance" xlink:to="exc-og_ComprehensiveIncomeEndingBalance_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ComprehensiveIncomeEndingBalance_lbl" xml:lang="en">Comprehensive Income at the Ending of accounting period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ComprehensiveIncomeEndingBalance_lbl" xml:lang="en">Comprehensive Income - Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ComprehensiveIncomeEndingBalance_lbl" xml:lang="en">Comprehensive Income - Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ComprehensiveIncomeEndingBalance_lbl" xml:lang="en">Comprehensive Income - Ending Balance - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ComprehensiveIncomeIncreaseDecreaseAbstract" xlink:label="exc-og_ComprehensiveIncomeIncreaseDecreaseAbstract"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ComprehensiveIncomeIncreaseDecreaseAbstract" xlink:to="exc-og_ComprehensiveIncomeIncreaseDecreaseAbstract_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ComprehensiveIncomeIncreaseDecreaseAbstract_lbl" xml:lang="en">ComprehensiveIncomeIncreaseDecreaseAbstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ComprehensiveIncomeIncreaseDecreaseAbstract_lbl" xml:lang="en">ComprehensiveIncomeIncreaseDecreaseAbstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ComprehensiveIncomeIncreaseDecreaseAbstract_lbl" xml:lang="en">ComprehensiveIncomeIncreaseDecreaseAbstract</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ComprehensiveIncomeIncreaseDecreaseAbstract_lbl" xml:lang="en">ComprehensiveIncomeIncreaseDecreaseAbstract - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ComprehensiveIncomeNetIncomeStockholdersEquity" xlink:label="exc-og_ComprehensiveIncomeNetIncomeStockholdersEquity"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ComprehensiveIncomeNetIncomeStockholdersEquity" xlink:to="exc-og_ComprehensiveIncomeNetIncomeStockholdersEquity_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ComprehensiveIncomeNetIncomeStockholdersEquity_lbl" xml:lang="en">All revenue less all expenses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ComprehensiveIncomeNetIncomeStockholdersEquity_lbl" xml:lang="en">Net Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ComprehensiveIncomeNetIncomeStockholdersEquity_lbl" xml:lang="en">Net Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ComprehensiveIncomeNetIncomeStockholdersEquity_lbl" xml:lang="en">Net Income - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ComprehensiveIncomeReclassificationAdjustmentAvailableSaleInvestments" xlink:label="exc-og_ComprehensiveIncomeReclassificationAdjustmentAvailableSaleInvestments"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ComprehensiveIncomeReclassificationAdjustmentAvailableSaleInvestments" xlink:to="exc-og_ComprehensiveIncomeReclassificationAdjustmentAvailableSaleInvestments_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ComprehensiveIncomeReclassificationAdjustmentAvailableSaleInvestments_lbl" xml:lang="en">Comprehensive Reclassification adjustment related to available-for-sale investments, net of tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ComprehensiveIncomeReclassificationAdjustmentAvailableSaleInvestments_lbl" xml:lang="en">Comprehensive Reclassification adjustment related to available-for-sale investments, net of tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ComprehensiveIncomeReclassificationAdjustmentAvailableSaleInvestments_lbl" xml:lang="en">Comprehensive Reclassification adjustment related to available-for-sale investments, net of tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ComprehensiveIncomeReclassificationAdjustmentAvailableSaleInvestments_lbl" xml:lang="en">Comprehensive Reclassification adjustment related to available-for-sale investments, net of tax - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ComprehensiveIncomeTaxBenefit" xlink:label="exc-og_ComprehensiveIncomeTaxBenefit"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ComprehensiveIncomeTaxBenefit" xlink:to="exc-og_ComprehensiveIncomeTaxBenefit_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ComprehensiveIncomeTaxBenefit_lbl" xml:lang="en">Tax Benefit applied to Comprehensive Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ComprehensiveIncomeTaxBenefit_lbl" xml:lang="en">Comprehensive Income Tax Benefit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ComprehensiveIncomeTaxBenefit_lbl" xml:lang="en">Income Tax Benefit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ComprehensiveIncomeTaxBenefit_lbl" xml:lang="en">Comprehensive Income Tax Benefit - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ComprehensiveMinimumLiabilityAdjustment" xlink:label="exc-og_ComprehensiveMinimumLiabilityAdjustment"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ComprehensiveMinimumLiabilityAdjustment" xlink:to="exc-og_ComprehensiveMinimumLiabilityAdjustment_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ComprehensiveMinimumLiabilityAdjustment_lbl" xml:lang="en">The after-tax amount of the change in the additional pension liability not yet recognized pursuant to SFAS 87 par 37 and 38 as a net periodic pension cost.  If the additional pension liability required to be recognized exceeds the unrecognized prior service costs, then the excess (which is the net loss not yet recognized as net periodic pension cost) is to be recorded as a reduction of other comprehensive income, before adjusting for tax effects.  If in a subsequent measurement, the amount of minimum liability is eliminated or adjusted, this adjustment is offset against other comprehensive income in Accumulated Comprehensive Income.  This line also includes changes in an entity's share of an equity investee's increase (decrease) in additional pension liability not yet recognized as a net periodic pension cost.  Eliminated upon adoption of SFAS 158.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ComprehensiveMinimumLiabilityAdjustment_lbl" xml:lang="en">Minimum pension liability, net of income taxes of $0, $674, and $3, respectively</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ComprehensiveMinimumLiabilityAdjustment_lbl" xml:lang="en">Minimum pension liability, net of income taxes of $0, $674, and $3, respectively</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ComprehensiveMinimumLiabilityAdjustment_lbl" xml:lang="en">Comprehensive Minimum Liability Adjustment - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ComprehensiveNetIncome" xlink:label="exc-og_ComprehensiveNetIncome"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ComprehensiveNetIncome" xlink:to="exc-og_ComprehensiveNetIncome_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ComprehensiveNetIncome_lbl" xml:lang="en">Comprehensive income (loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ComprehensiveNetIncome_lbl" xml:lang="en">Comprehensive Net Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ComprehensiveNetIncome_lbl" xml:lang="en">Comprehensive Net Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ComprehensiveNetIncome_lbl" xml:lang="en">Comprehensive Net Income - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ComprehensiveNetIncomeStockholdersEquityAbstract" xlink:label="exc-og_ComprehensiveNetIncomeStockholdersEquityAbstract"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ComprehensiveNetIncomeStockholdersEquityAbstract" xlink:to="exc-og_ComprehensiveNetIncomeStockholdersEquityAbstract_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ComprehensiveNetIncomeStockholdersEquityAbstract_lbl" xml:lang="en">All Comprehensive revenue less all expenses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ComprehensiveNetIncomeStockholdersEquityAbstract_lbl" xml:lang="en">Comprehensive Net Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ComprehensiveNetIncomeStockholdersEquityAbstract_lbl" xml:lang="en">Comprehensive Net Income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ComprehensiveNetIncomeStockholdersEquityAbstract_lbl" xml:lang="en">Comprehensive Net Income - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ComprehensivePensionNonpensionPostretirementBenefitPlansAbstract" xlink:label="exc-og_ComprehensivePensionNonpensionPostretirementBenefitPlansAbstract"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ComprehensivePensionNonpensionPostretirementBenefitPlansAbstract" xlink:to="exc-og_ComprehensivePensionNonpensionPostretirementBenefitPlansAbstract_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ComprehensivePensionNonpensionPostretirementBenefitPlansAbstract_lbl" xml:lang="en">Pension and non-pension postretirement benefit plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ComprehensivePensionNonpensionPostretirementBenefitPlansAbstract_lbl" xml:lang="en">Pension and non-pension postretirement benefit plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ComprehensivePensionNonpensionPostretirementBenefitPlansAbstract_lbl" xml:lang="en">Pension and non-pension postretirement benefit plans</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ComprehensivePensionNonpensionPostretirementBenefitPlansAbstract_lbl" xml:lang="en">Pension and non-pension postretirement benefit plans - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ComprehensivePensionNonpensionPriorServiceBenefitReclassified" xlink:label="exc-og_ComprehensivePensionNonpensionPriorServiceBenefitReclassified"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ComprehensivePensionNonpensionPriorServiceBenefitReclassified" xlink:to="exc-og_ComprehensivePensionNonpensionPriorServiceBenefitReclassified_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ComprehensivePensionNonpensionPriorServiceBenefitReclassified_lbl" xml:lang="en">Prior service benefit/(cost) reclassified to periodic benefit costs related to pension and non-pension postretirement benefit plans, net of income taxes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ComprehensivePensionNonpensionPriorServiceBenefitReclassified_lbl" xml:lang="en">Prior service (benefit) reclassified to periodic benefit cost, net of income taxes of $(4)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ComprehensivePensionNonpensionPriorServiceBenefitReclassified_lbl" xml:lang="en">Prior service (benefit) reclassified to periodic benefit cost, net of income taxes of $(4)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ComprehensivePensionNonpensionPriorServiceBenefitReclassified_lbl" xml:lang="en">Prior service benefit reclassified to periodic benefit costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ComprehensiveRealizedGainLossAvailableSaleInvestments" xlink:label="exc-og_ComprehensiveRealizedGainLossAvailableSaleInvestments"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ComprehensiveRealizedGainLossAvailableSaleInvestments" xlink:to="exc-og_ComprehensiveRealizedGainLossAvailableSaleInvestments_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ComprehensiveRealizedGainLossAvailableSaleInvestments_lbl" xml:lang="en">Comprehensive Income Unrealized Gains and Losses on Investments in debt and equity securities classified as Available-for-Sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ComprehensiveRealizedGainLossAvailableSaleInvestments_lbl" xml:lang="en">Comprehensive Income Realized Gain and Losses on Available For Sale for Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ComprehensiveRealizedGainLossAvailableSaleInvestments_lbl" xml:lang="en">Comprehensive Income Realized Gain and Losses on Available For Sale for Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ComprehensiveRealizedGainLossAvailableSaleInvestments_lbl" xml:lang="en">Comprehensive Income Realized Gain and Losses on Available For Sale for Investments - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ComprehensiveRealizedGainLossInvestment" xlink:label="exc-og_ComprehensiveRealizedGainLossInvestment"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ComprehensiveRealizedGainLossInvestment" xlink:to="exc-og_ComprehensiveRealizedGainLossInvestment_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ComprehensiveRealizedGainLossInvestment_lbl" xml:lang="en">Comprehensive Realized income on derivatives designated as hedging are required to initially report any gain and loss from change of fair market value of the cash flow hedges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ComprehensiveRealizedGainLossInvestment_lbl" xml:lang="en">Comprehensive Realized Gain Loss on Derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ComprehensiveRealizedGainLossInvestment_lbl" xml:lang="en">Comprehensive Realized Gain Loss on Derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ComprehensiveRealizedGainLossInvestment_lbl" xml:lang="en">Comprehensive Realized Gain Loss on Derivatives - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ComprehensiveRealizedUnrealizedGainLossAvailableSaleInvestments" xlink:label="exc-og_ComprehensiveRealizedUnrealizedGainLossAvailableSaleInvestments"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ComprehensiveRealizedUnrealizedGainLossAvailableSaleInvestments" xlink:to="exc-og_ComprehensiveRealizedUnrealizedGainLossAvailableSaleInvestments_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ComprehensiveRealizedUnrealizedGainLossAvailableSaleInvestments_lbl" xml:lang="en">Comprehensive Income Realized and Unrealized Gains and Losses on Investments in debt and equity securities classified as Available-for-Sale</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ComprehensiveRealizedUnrealizedGainLossAvailableSaleInvestments_lbl" xml:lang="en">Comprehensive Income Realized and Unrealized Available For Sale for Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ComprehensiveRealizedUnrealizedGainLossAvailableSaleInvestments_lbl" xml:lang="en">Comprehensive Income Realized and Unrealized Available For Sale for Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ComprehensiveRealizedUnrealizedGainLossAvailableSaleInvestments_lbl" xml:lang="en">Comprehensive Income Realized and Unrealized Available For Sale for Investments - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ComprehensiveRealizedUnrealizedGainLossInvestment" xlink:label="exc-og_ComprehensiveRealizedUnrealizedGainLossInvestment"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ComprehensiveRealizedUnrealizedGainLossInvestment" xlink:to="exc-og_ComprehensiveRealizedUnrealizedGainLossInvestment_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ComprehensiveRealizedUnrealizedGainLossInvestment_lbl" xml:lang="en">Comprehensive Realized and Unrealized income on derivatives designated as hedging are required to initially report any gain and loss from change of fair market value of the cash flow hedges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ComprehensiveRealizedUnrealizedGainLossInvestment_lbl" xml:lang="en">Comprehensive Realized and Unrealized Gain Loss on Derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ComprehensiveRealizedUnrealizedGainLossInvestment_lbl" xml:lang="en">Comprehensive Realized and Unrealized Gain Loss on Derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ComprehensiveRealizedUnrealizedGainLossInvestment_lbl" xml:lang="en">Comprehensive Realized and Unrealized Gain Loss on Derivatives - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ComprehensiveStateIncomeTaxAligment" xlink:label="exc-og_ComprehensiveStateIncomeTaxAligment"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ComprehensiveStateIncomeTaxAligment" xlink:to="exc-og_ComprehensiveStateIncomeTaxAligment_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ComprehensiveStateIncomeTaxAligment_lbl" xml:lang="en">State income tax alignment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ComprehensiveStateIncomeTaxAligment_lbl" xml:lang="en">State income tax alignment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ComprehensiveStateIncomeTaxAligment_lbl" xml:lang="en">State income tax alignment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ComprehensiveStateIncomeTaxAligment_lbl" xml:lang="en">State income tax alignment - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ComprehensiveTransitionObligationReclassified" xlink:label="exc-og_ComprehensiveTransitionObligationReclassified"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ComprehensiveTransitionObligationReclassified" xlink:to="exc-og_ComprehensiveTransitionObligationReclassified_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ComprehensiveTransitionObligationReclassified_lbl" xml:lang="en">Transition benefit (obligation) reclassified to periodic benefit cost related to pension and non-pension postretirement benefit plans, net of income taxes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ComprehensiveTransitionObligationReclassified_lbl" xml:lang="en">Transition obligation reclassified to periodic benefit cost, net of income taxes of $2</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ComprehensiveTransitionObligationReclassified_lbl" xml:lang="en">Transition obligation reclassified to periodic benefit cost, net of income taxes of $2</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ComprehensiveTransitionObligationReclassified_lbl" xml:lang="en">Transition obligation reclassified to periodic benefit cost - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ComprehensiveUnrealizedGainLossAvailableSaleInvestments" xlink:label="exc-og_ComprehensiveUnrealizedGainLossAvailableSaleInvestments"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ComprehensiveUnrealizedGainLossAvailableSaleInvestments" xlink:to="exc-og_ComprehensiveUnrealizedGainLossAvailableSaleInvestments_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ComprehensiveUnrealizedGainLossAvailableSaleInvestments_lbl" xml:lang="en">Unrealized gains and losses on investments in debt and equity securities classified as Available-for-Sale, net of income taxes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ComprehensiveUnrealizedGainLossAvailableSaleInvestments_lbl" xml:lang="en">Unrealized (loss) gain on marketable securities, net of income taxes of $(1), $137, and $4, respectively</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ComprehensiveUnrealizedGainLossAvailableSaleInvestments_lbl" xml:lang="en">Unrealized (loss) gain on marketable securities, net of income taxes of $(1), $137, and $4, respectively</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ComprehensiveUnrealizedGainLossAvailableSaleInvestments_lbl" xml:lang="en">Comprehensive Income Unrealized Available For Sale for Investments - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ComprehensiveUnrealizedGainLossInvestment" xlink:label="exc-og_ComprehensiveUnrealizedGainLossInvestment"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ComprehensiveUnrealizedGainLossInvestment" xlink:to="exc-og_ComprehensiveUnrealizedGainLossInvestment_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ComprehensiveUnrealizedGainLossInvestment_lbl" xml:lang="en">Changes in unrealized gains and losses on derivatives designated as cash flow hedges, net of income taxes.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ComprehensiveUnrealizedGainLossInvestment_lbl" xml:lang="en">Net unrealized (loss) gain on cash-flow hedges, net of income taxes of $(345), $368 and $(133), respectively</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ComprehensiveUnrealizedGainLossInvestment_lbl" xml:lang="en">Net unrealized (loss) gain on cash-flow hedges, net of income taxes of $(345), $368 and $(133), respectively</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ComprehensiveUnrealizedGainLossInvestment_lbl" xml:lang="en">Comprehensive Unrealized Gain Loss on Derivatives - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ConsolidationInAccordanceWithFIN46R" xlink:label="exc-og_ConsolidationInAccordanceWithFIN46R"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ConsolidationInAccordanceWithFIN46R" xlink:to="exc-og_ConsolidationInAccordanceWithFIN46R_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ConsolidationInAccordanceWithFIN46R_lbl" xml:lang="en">Consolidation in accordance with FIN 46-R - Accumulated Other Other Comprehensive Income (Loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ConsolidationInAccordanceWithFIN46R_lbl" xml:lang="en">Consolidation in accordance with FIN 46-R - Accumulated Other Other Comprehensive Income (Loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ConsolidationInAccordanceWithFIN46R_lbl" xml:lang="en">Consolidation in accordance with FIN 46-R - Accumulated Other Other Comprehensive Income (Loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ConsolidationInAccordanceWithFIN46R_lbl" xml:lang="en">Consolidation in accordance with FIN 46-R - Accumulated Other Other Comprehensive Income (Loss) - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ConstructionOffshoreSupplyVechiles" xlink:label="exc-og_ConstructionOffshoreSupplyVechiles"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ConstructionOffshoreSupplyVechiles" xlink:to="exc-og_ConstructionOffshoreSupplyVechiles_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ConstructionOffshoreSupplyVechiles_lbl" xml:lang="en">Construction of Offshore Supply Vechiles</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ConstructionOffshoreSupplyVechiles_lbl" xml:lang="en">Construction of Offshore Supply Vechiles</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ConstructionOffshoreSupplyVechiles_lbl" xml:lang="en">Construction of Offshore Supply Vechiles</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ConstructionOffshoreSupplyVechiles_lbl" xml:lang="en">Construction of Offshore Supply Vechiles - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ConstructionOtherVechiles" xlink:label="exc-og_ConstructionOtherVechiles"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ConstructionOtherVechiles" xlink:to="exc-og_ConstructionOtherVechiles_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ConstructionOtherVechiles_lbl" xml:lang="en">Construction of Other Vechiles</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ConstructionOtherVechiles_lbl" xml:lang="en">Construction of Other Vechiles</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ConstructionOtherVechiles_lbl" xml:lang="en">Constructionof Other Vechiles</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ConstructionOtherVechiles_lbl" xml:lang="en">Construction of Other Vechiles - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ConstructionTugsTankBarges" xlink:label="exc-og_ConstructionTugsTankBarges"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ConstructionTugsTankBarges" xlink:to="exc-og_ConstructionTugsTankBarges_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ConstructionTugsTankBarges_lbl" xml:lang="en">Construction of Tugs Tank Barges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ConstructionTugsTankBarges_lbl" xml:lang="en">Construction of Tugs Tank Barges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ConstructionTugsTankBarges_lbl" xml:lang="en">Construction of Tugs Tank Barges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ConstructionTugsTankBarges_lbl" xml:lang="en">Construction of Tugs Tank Barges - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ContractSettlementExpense" xlink:label="exc-og_ContractSettlementExpense"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ContractSettlementExpense" xlink:to="exc-og_ContractSettlementExpense_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ContractSettlementExpense_lbl" xml:lang="en">A settlement arising from extra payment or termination claims.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ContractSettlementExpense_lbl" xml:lang="en">Contract Settlement Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ContractSettlementExpense_lbl" xml:lang="en">Contract Settlement Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ContractSettlementExpense_lbl" xml:lang="en">Contract Settlement Expense - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ContributedCapital" xlink:label="exc-og_ContributedCapital"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ContributedCapital" xlink:to="exc-og_ContributedCapital_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ContributedCapital_lbl" xml:lang="en">Capital received from investors for stock, equal to capital stock plus contributed capital. also called capital contribution or  called paid-in capital.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ContributedCapital_lbl" xml:lang="en">Contributed Capital</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ContributedCapital_lbl" xml:lang="en">Contributed Capital</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ContributedCapital_lbl" xml:lang="en">Contributed Capital - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ContributionFromMemberMembershipInterest" xlink:label="exc-og_ContributionFromMemberMembershipInterest"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ContributionFromMemberMembershipInterest" xlink:to="exc-og_ContributionFromMemberMembershipInterest_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ContributionFromMemberMembershipInterest_lbl" xml:lang="en">Contribution from member - Membership Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ContributionFromMemberMembershipInterest_lbl" xml:lang="en">Contribution from member - Membership Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ContributionFromMemberMembershipInterest_lbl" xml:lang="en">Contribution from member - Membership Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ContributionFromMemberMembershipInterest_lbl" xml:lang="en">Contribution from member - Membership Interest - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ContributionFromMemberUndistributedEarnings" xlink:label="exc-og_ContributionFromMemberUndistributedEarnings"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ContributionFromMemberUndistributedEarnings" xlink:to="exc-og_ContributionFromMemberUndistributedEarnings_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ContributionFromMemberUndistributedEarnings_lbl" xml:lang="en">Contribution from member - Undistributed Earnings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ContributionFromMemberUndistributedEarnings_lbl" xml:lang="en">Contribution from member - Undistributed Earnings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ContributionFromMemberUndistributedEarnings_lbl" xml:lang="en">Contribution from member - Undistributed Earnings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ContributionFromMemberUndistributedEarnings_lbl" xml:lang="en">Contribution from member - Undistributed Earnings - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ContributionsFromAffiliates" xlink:label="exc-og_ContributionsFromAffiliates"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ContributionsFromAffiliates" xlink:to="exc-og_ContributionsFromAffiliates_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ContributionsFromAffiliates_lbl" xml:lang="en">Contribution from Affiliates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ContributionsFromAffiliates_lbl" xml:lang="en">Contributions from - Affiliates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ContributionsFromAffiliates_lbl" xml:lang="en">Contributions from -  Affiliates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ContributionsFromAffiliates_lbl" xml:lang="en">Contributions from - Affiliates - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ContributionsFromMember" xlink:label="exc-og_ContributionsFromMember"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ContributionsFromMember" xlink:to="exc-og_ContributionsFromMember_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ContributionsFromMember_lbl" xml:lang="en">Contribution from member</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ContributionsFromMember_lbl" xml:lang="en">Contribution from member</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ContributionsFromMember_lbl" xml:lang="en">Contribution from member</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ContributionsFromMember_lbl" xml:lang="en">Contribution from member - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ContributionsFromMinorityInterest" xlink:label="exc-og_ContributionsFromMinorityInterest"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ContributionsFromMinorityInterest" xlink:to="exc-og_ContributionsFromMinorityInterest_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ContributionsFromMinorityInterest_lbl" xml:lang="en">Contribution from minority interest holders</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ContributionsFromMinorityInterest_lbl" xml:lang="en">Contributions from - Minority Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ContributionsFromMinorityInterest_lbl" xml:lang="en">Contributions from - Minority Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ContributionsFromMinorityInterest_lbl" xml:lang="en">Contributions from - Minority Interest - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ContributionsFromParent" xlink:label="exc-og_ContributionsFromParent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ContributionsFromParent" xlink:to="exc-og_ContributionsFromParent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ContributionsFromParent_lbl" xml:lang="en">Contributions from parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ContributionsFromParent_lbl" xml:lang="en">Contributions from parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ContributionsFromParent_lbl" xml:lang="en">Contributions from parent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ContributionsFromParent_lbl" xml:lang="en">Contributions from parent - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ContributionsInAidOfConstruction" xlink:label="exc-og_ContributionsInAidOfConstruction"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ContributionsInAidOfConstruction" xlink:to="exc-og_ContributionsInAidOfConstruction_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ContributionsInAidOfConstruction_lbl" xml:lang="en">The contributions or donations in cash, property, or services from companies, states, municipalities, other governmental agencies, individuals, and others for construction purposes, now carried as a plant item. Compare ADVANCES FOR CONSTRUCTION</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ContributionsInAidOfConstruction_lbl" xml:lang="en">Contributions In Aid Of Construction</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ContributionsInAidOfConstruction_lbl" xml:lang="en">Contributions In Aid Of Construction</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ContributionsInAidOfConstruction_lbl" xml:lang="en">Contributions In Aid Of Construction - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ContributionsToUnconsolidatedAffiliates" xlink:label="exc-og_ContributionsToUnconsolidatedAffiliates"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ContributionsToUnconsolidatedAffiliates" xlink:to="exc-og_ContributionsToUnconsolidatedAffiliates_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ContributionsToUnconsolidatedAffiliates_lbl" xml:lang="en">Contributions to Unconsolidated Affiliates.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ContributionsToUnconsolidatedAffiliates_lbl" xml:lang="en">Contributions to Unconsolidated Affiliates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ContributionsToUnconsolidatedAffiliates_lbl" xml:lang="en">Contributions to Unconsolidated Affiliates.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ContributionsToUnconsolidatedAffiliates_lbl" xml:lang="en">Contributions to Unconsolidated Affiliates - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ConvertibleDebtCurrent" xlink:label="exc-og_ConvertibleDebtCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ConvertibleDebtCurrent" xlink:to="exc-og_ConvertibleDebtCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ConvertibleDebtCurrent_lbl" xml:lang="en">Portion of collateralized/uncollateralized debt obligation due within one year/operating cycle of a Security which can be exchanged for a specified amount of another, related security, at the option of the issuer and/or the holder.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ConvertibleDebtCurrent_lbl" xml:lang="en">Convertible Debt - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ConvertibleDebtCurrent_lbl" xml:lang="en">Convertible Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ConvertibleDebtCurrent_lbl" xml:lang="en">Convertible Debt - Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ConvertibleNotesPayableCurrent" xlink:label="exc-og_ConvertibleNotesPayableCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ConvertibleNotesPayableCurrent" xlink:to="exc-og_ConvertibleNotesPayableCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ConvertibleNotesPayableCurrent_lbl" xml:lang="en">Written promise to pay a note which can be exchanged for a specified amount of another, related security, at the option of the issuer and/or the holder. , the portion at which is due 1 year or less in the future.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ConvertibleNotesPayableCurrent_lbl" xml:lang="en">Convertible Notes Payable - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ConvertibleNotesPayableCurrent_lbl" xml:lang="en">Convertible Notes Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ConvertibleNotesPayableCurrent_lbl" xml:lang="en">Convertible Notes Payable - Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ConvertiblePreferredStockObligations" xlink:label="exc-og_ConvertiblePreferredStockObligations"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ConvertiblePreferredStockObligations" xlink:to="exc-og_ConvertiblePreferredStockObligations_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ConvertiblePreferredStockObligations_lbl" xml:lang="en">Convertible Preferred Stock not included as part of Stockholders equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ConvertiblePreferredStockObligations_lbl" xml:lang="en">Convertible Preferred Stock Obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ConvertiblePreferredStockObligations_lbl" xml:lang="en">Convertible Preferred Stock Obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ConvertiblePreferredStockObligations_lbl" xml:lang="en">Convertible Preferred Stock Obligations - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ConvertibleSubordinatedDebtCurrent" xlink:label="exc-og_ConvertibleSubordinatedDebtCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ConvertibleSubordinatedDebtCurrent" xlink:to="exc-og_ConvertibleSubordinatedDebtCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ConvertibleSubordinatedDebtCurrent_lbl" xml:lang="en">Portion of collateralized/uncollateralized convertible debt obligation due within one year/operating cycle for which a security can be exchanged for a specified amount of another, related security, at the option of the issuer and/or the holder. . Subordinate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ConvertibleSubordinatedDebtCurrent_lbl" xml:lang="en">Convertible Subordinated Debt - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ConvertibleSubordinatedDebtCurrent_lbl" xml:lang="en">Convertible Subordinated Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ConvertibleSubordinatedDebtCurrent_lbl" xml:lang="en">Convertible Subordinated Debt - Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostAdvertising" xlink:label="exc-og_CostAdvertising"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostAdvertising" xlink:to="exc-og_CostAdvertising_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostAdvertising_lbl" xml:lang="en">Advertising Revenue Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostAdvertising_lbl" xml:lang="en">Advertising Revenue Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostAdvertising_lbl" xml:lang="en">Advertising Revenue Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostAdvertising_lbl" xml:lang="en">Advertising Revenue Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostAffiliates" xlink:label="exc-og_CostAffiliates"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostAffiliates" xlink:to="exc-og_CostAffiliates_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostAffiliates_lbl" xml:lang="en">Affiliate Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostAffiliates_lbl" xml:lang="en">Affiliate Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostAffiliates_lbl" xml:lang="en">Affiliate Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostAffiliates_lbl" xml:lang="en">Affiliate Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostBinder" xlink:label="exc-og_CostBinder"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostBinder" xlink:to="exc-og_CostBinder_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostBinder_lbl" xml:lang="en">Cost of binder, which is a material used to bind aggregates. Usually bitumen and bitumen blends</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostBinder_lbl" xml:lang="en">Binder Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostBinder_lbl" xml:lang="en">Binder Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostBinder_lbl" xml:lang="en">Binder Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostBrokeredNaturalGasMargin" xlink:label="exc-og_CostBrokeredNaturalGasMargin"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostBrokeredNaturalGasMargin" xlink:to="exc-og_CostBrokeredNaturalGasMargin_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostBrokeredNaturalGasMargin_lbl" xml:lang="en">The costs related to brokering natural gas. The Company realizes brokered margin as a result of buying and selling natural gas in back-to-back transactions.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostBrokeredNaturalGasMargin_lbl" xml:lang="en">Brokered Natural Gas Margin Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostBrokeredNaturalGasMargin_lbl" xml:lang="en">Brokered Natural Gas Margin Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostBrokeredNaturalGasMargin_lbl" xml:lang="en">Brokered Natural Gas Margin Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostChemicals" xlink:label="exc-og_CostChemicals"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostChemicals" xlink:to="exc-og_CostChemicals_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostChemicals_lbl" xml:lang="en">Cost of Chemicals</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostChemicals_lbl" xml:lang="en">Cost of Chemicals</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostChemicals_lbl" xml:lang="en">Cost of Chemicals</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostChemicals_lbl" xml:lang="en">Cost of Chemicals - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostCoalProductsServices" xlink:label="exc-og_CostCoalProductsServices"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostCoalProductsServices" xlink:to="exc-og_CostCoalProductsServices_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostCoalProductsServices_lbl" xml:lang="en">Cost of Coal Products and Services</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostCoalProductsServices_lbl" xml:lang="en">Cost of Coal Products and Services</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostCoalProductsServices_lbl" xml:lang="en">Cost of Coal Products and Services</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostCoalProductsServices_lbl" xml:lang="en">Cost of Coal Products and Services - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostComputerHardware" xlink:label="exc-og_CostComputerHardware"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostComputerHardware" xlink:to="exc-og_CostComputerHardware_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostComputerHardware_lbl" xml:lang="en">Computer Hardware Costs when Hardware is a revenue item</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostComputerHardware_lbl" xml:lang="en">Computer Hardware Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostComputerHardware_lbl" xml:lang="en">Computer Hardware Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostComputerHardware_lbl" xml:lang="en">Computer Hardware Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostConcessions" xlink:label="exc-og_CostConcessions"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostConcessions" xlink:to="exc-og_CostConcessions_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostConcessions_lbl" xml:lang="en">Concessions Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostConcessions_lbl" xml:lang="en">Concessions Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostConcessions_lbl" xml:lang="en">Concessions Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostConcessions_lbl" xml:lang="en">Concessions Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostDirectOperating" xlink:label="exc-og_CostDirectOperating"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostDirectOperating" xlink:to="exc-og_CostDirectOperating_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostDirectOperating_lbl" xml:lang="en">Oil and Gas Direct Operating Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostDirectOperating_lbl" xml:lang="en">Oil and Gas Direct Operating Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostDirectOperating_lbl" xml:lang="en">Oil and Gas Direct Operating Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostDirectOperating_lbl" xml:lang="en">Oil and Gas Direct Operating Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostDirectOperatingCommunicationsUtilities" xlink:label="exc-og_CostDirectOperatingCommunicationsUtilities"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostDirectOperatingCommunicationsUtilities" xlink:to="exc-og_CostDirectOperatingCommunicationsUtilities_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostDirectOperatingCommunicationsUtilities_lbl" xml:lang="en">Direct Communications and Utilities Costs.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostDirectOperatingCommunicationsUtilities_lbl" xml:lang="en">Direct Communications and Utilities Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostDirectOperatingCommunicationsUtilities_lbl" xml:lang="en">Direct Communications and Utilities Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostDirectOperatingCommunicationsUtilities_lbl" xml:lang="en">Direct Communications and Utilities Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostDirectOperatingInsuranceClaims" xlink:label="exc-og_CostDirectOperatingInsuranceClaims"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostDirectOperatingInsuranceClaims" xlink:to="exc-og_CostDirectOperatingInsuranceClaims_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostDirectOperatingInsuranceClaims_lbl" xml:lang="en">Direct Insurance and Claims Costs.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostDirectOperatingInsuranceClaims_lbl" xml:lang="en">Direct Insurance and Claims Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostDirectOperatingInsuranceClaims_lbl" xml:lang="en">Direct Insurance and Claims Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostDirectOperatingInsuranceClaims_lbl" xml:lang="en">Direct Insurance and Claims Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostDirectOperatingRoyaltyExpense" xlink:label="exc-og_CostDirectOperatingRoyaltyExpense"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostDirectOperatingRoyaltyExpense" xlink:to="exc-og_CostDirectOperatingRoyaltyExpense_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostDirectOperatingRoyaltyExpense_lbl" xml:lang="en">Cost Direct Operating Royalty Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostDirectOperatingRoyaltyExpense_lbl" xml:lang="en">Cost Direct Operating Royalty Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostDirectOperatingRoyaltyExpense_lbl" xml:lang="en">Cost Direct Operating Royalty Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostDirectOperatingRoyaltyExpense_lbl" xml:lang="en">Cost Direct Operating Royalty Expense - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostDirectOperatingSuppliesMaintenance" xlink:label="exc-og_CostDirectOperatingSuppliesMaintenance"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostDirectOperatingSuppliesMaintenance" xlink:to="exc-og_CostDirectOperatingSuppliesMaintenance_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostDirectOperatingSuppliesMaintenance_lbl" xml:lang="en">Operating and maintenance expenses of public utilities including selling, general and administrative expenses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostDirectOperatingSuppliesMaintenance_lbl" xml:lang="en">Operating and maintenance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostDirectOperatingSuppliesMaintenance_lbl" xml:lang="en">Operating and maintenance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostDirectOperatingSuppliesMaintenance_lbl" xml:lang="en">Operating and maintenance</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostDirectOperatingSuppliesMaintenanceAffiliates" xlink:label="exc-og_CostDirectOperatingSuppliesMaintenanceAffiliates"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostDirectOperatingSuppliesMaintenanceAffiliates" xlink:to="exc-og_CostDirectOperatingSuppliesMaintenanceAffiliates_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostDirectOperatingSuppliesMaintenanceAffiliates_lbl" xml:lang="en">Operating and maintenance expenses from affiliates of public utilities including selling, general and administrative expenses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostDirectOperatingSuppliesMaintenanceAffiliates_lbl" xml:lang="en">Direct Operating Supplies and Maintenance Costs From Affiliates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostDirectOperatingSuppliesMaintenanceAffiliates_lbl" xml:lang="en">Direct Operating Supplies and Maintenance Costs From Affiliates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostDirectOperatingSuppliesMaintenanceAffiliates_lbl" xml:lang="en">Direct Operating Supplies and Maintenance Costs From Affiliates - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostDirectOperatingTaxesLicences" xlink:label="exc-og_CostDirectOperatingTaxesLicences"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostDirectOperatingTaxesLicences" xlink:to="exc-og_CostDirectOperatingTaxesLicences_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostDirectOperatingTaxesLicences_lbl" xml:lang="en">Direct Taxes and Licenses Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostDirectOperatingTaxesLicences_lbl" xml:lang="en">Direct Taxes and Licenses Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostDirectOperatingTaxesLicences_lbl" xml:lang="en">Direct Taxes and Licenses Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostDirectOperatingTaxesLicences_lbl" xml:lang="en">Direct Taxes and Licenses Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostDomesticRegulatedElectric" xlink:label="exc-og_CostDomesticRegulatedElectric"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostDomesticRegulatedElectric" xlink:to="exc-og_CostDomesticRegulatedElectric_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostDomesticRegulatedElectric_lbl" xml:lang="en">Cost of Domestic Regulated Electric</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostDomesticRegulatedElectric_lbl" xml:lang="en">Cost of Domestic Regulated Electric</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostDomesticRegulatedElectric_lbl" xml:lang="en">Cost of Domestic Regulated Electric</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostDomesticRegulatedElectric_lbl" xml:lang="en">Cost of Domestic Regulated Electric - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostElectricProduction" xlink:label="exc-og_CostElectricProduction"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostElectricProduction" xlink:to="exc-og_CostElectricProduction_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostElectricProduction_lbl" xml:lang="en">Cost incurred to produce electric sold.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostElectricProduction_lbl" xml:lang="en">Electric Production Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostElectricProduction_lbl" xml:lang="en">Electric Production</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostElectricProduction_lbl" xml:lang="en">Electric Production Expense - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostEnergyServices" xlink:label="exc-og_CostEnergyServices"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostEnergyServices" xlink:to="exc-og_CostEnergyServices_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostEnergyServices_lbl" xml:lang="en">Cost of Goods Sold - Energy Services</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostEnergyServices_lbl" xml:lang="en">Cost of Goods Sold - Energy Services</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostEnergyServices_lbl" xml:lang="en">Cost of Goods Sold - Energy Services</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostEnergyServices_lbl" xml:lang="en">Cost of Goods Sold - Energy Services - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostExplorationProduction" xlink:label="exc-og_CostExplorationProduction"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostExplorationProduction" xlink:to="exc-og_CostExplorationProduction_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostExplorationProduction_lbl" xml:lang="en">Cost Exploration and Production</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostExplorationProduction_lbl" xml:lang="en">Cost Exploration and Production</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostExplorationProduction_lbl" xml:lang="en">Cost Exploration and Production</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostExplorationProduction_lbl" xml:lang="en">Cost Exploration and Production - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostFacility" xlink:label="exc-og_CostFacility"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostFacility" xlink:to="exc-og_CostFacility_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostFacility_lbl" xml:lang="en">Facility Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostFacility_lbl" xml:lang="en">Facility Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostFacility_lbl" xml:lang="en">Facility Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostFacility_lbl" xml:lang="en">Facility Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostFilmRental" xlink:label="exc-og_CostFilmRental"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostFilmRental" xlink:to="exc-og_CostFilmRental_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostFilmRental_lbl" xml:lang="en">Cost of Film Rental</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostFilmRental_lbl" xml:lang="en">Cost of Film Rental</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostFilmRental_lbl" xml:lang="en">Cost of Film Rental</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostFilmRental_lbl" xml:lang="en">Cost of Film Rental - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostFinancialServices" xlink:label="exc-og_CostFinancialServices"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostFinancialServices" xlink:to="exc-og_CostFinancialServices_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostFinancialServices_lbl" xml:lang="en">Costs when Financial Services is a revenue item</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostFinancialServices_lbl" xml:lang="en">Financial Services Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostFinancialServices_lbl" xml:lang="en">Costs Financial Services</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostFinancialServices_lbl" xml:lang="en">Financial Services Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostFreight" xlink:label="exc-og_CostFreight"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostFreight" xlink:to="exc-og_CostFreight_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostFreight_lbl" xml:lang="en">Cost of Freight  where the freight expense is based on weight, negotiated freight rates and method of transportation (i.e., rail, barge, truck, etc.) used for the customers to whom CONSOL Energy contractually provides transportation. Freight expense is billed to customers and the revenue from such billing equals the transportation expense.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostFreight_lbl" xml:lang="en">Cost of Freight</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostFreight_lbl" xml:lang="en">Cost of Freight</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostFreight_lbl" xml:lang="en">Cost of Freight - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostFuel" xlink:label="exc-og_CostFuel"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostFuel" xlink:to="exc-og_CostFuel_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostFuel_lbl" xml:lang="en">Fuel costs related to the generation of electricity and natural gas purchased for distribution.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostFuel_lbl" xml:lang="en">Fuel</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostFuel_lbl" xml:lang="en">Fuel</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostFuel_lbl" xml:lang="en">Fuel</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostFuelFromAffiliate" xlink:label="exc-og_CostFuelFromAffiliate"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostFuelFromAffiliate" xlink:to="exc-og_CostFuelFromAffiliate_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostFuelFromAffiliate_lbl" xml:lang="en">Fuel from affiliate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostFuelFromAffiliate_lbl" xml:lang="en">Fuel from affiliate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostFuelFromAffiliate_lbl" xml:lang="en">Fuel from affiliate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostFuelFromAffiliate_lbl" xml:lang="en">Fuel from affiliate - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostGasGatheringTransporationMarketingProcessing" xlink:label="exc-og_CostGasGatheringTransporationMarketingProcessing"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostGasGatheringTransporationMarketingProcessing" xlink:to="exc-og_CostGasGatheringTransporationMarketingProcessing_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostGasGatheringTransporationMarketingProcessing_lbl" xml:lang="en">Cost of Gathering, Transportation, Marketing and Processing</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostGasGatheringTransporationMarketingProcessing_lbl" xml:lang="en">Cost of Gathering, Transportation, Marketing and Processing</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostGasGatheringTransporationMarketingProcessing_lbl" xml:lang="en">Cost of Gathering, Transportation, Marketing and Processing</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostGasGatheringTransporationMarketingProcessing_lbl" xml:lang="en">Cost of Gathering, Transportation, Marketing and Processing - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostGoldProductsServices" xlink:label="exc-og_CostGoldProductsServices"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostGoldProductsServices" xlink:to="exc-og_CostGoldProductsServices_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostGoldProductsServices_lbl" xml:lang="en">Cost of Gold Products and Services</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostGoldProductsServices_lbl" xml:lang="en">Cost of Gold Products and Services</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostGoldProductsServices_lbl" xml:lang="en">Cost of Gold Products and Services</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostGoldProductsServices_lbl" xml:lang="en">Cost of Gold Products and Services - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostGoodsServicesSoldAmortization" xlink:label="exc-og_CostGoodsServicesSoldAmortization"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostGoodsServicesSoldAmortization" xlink:to="exc-og_CostGoodsServicesSoldAmortization_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostGoodsServicesSoldAmortization_lbl" xml:lang="en">That part of depreciation related directly to the production of products and services.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostGoodsServicesSoldAmortization_lbl" xml:lang="en">Cost of Goods and Services Sold - Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostGoodsServicesSoldAmortization_lbl" xml:lang="en">Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostGoodsServicesSoldAmortization_lbl" xml:lang="en">Cost of Goods and Services Sold - Amortization - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostGoodsServicesSoldDepreciation" xlink:label="exc-og_CostGoodsServicesSoldDepreciation"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostGoodsServicesSoldDepreciation" xlink:to="exc-og_CostGoodsServicesSoldDepreciation_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostGoodsServicesSoldDepreciation_lbl" xml:lang="en">That part of depreciation related directly to the production of products and services.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostGoodsServicesSoldDepreciation_lbl" xml:lang="en">Cost of Goods and Services Sold - Depreciation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostGoodsServicesSoldDepreciation_lbl" xml:lang="en">Depreciation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostGoodsServicesSoldDepreciation_lbl" xml:lang="en">Cost of Goods and Services Sold - Depreciation - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostGoodsServicesSoldDepreciationAmortization" xlink:label="exc-og_CostGoodsServicesSoldDepreciationAmortization"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostGoodsServicesSoldDepreciationAmortization" xlink:to="exc-og_CostGoodsServicesSoldDepreciationAmortization_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostGoodsServicesSoldDepreciationAmortization_lbl" xml:lang="en">That part of depreciation related directly to the production of products and services.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostGoodsServicesSoldDepreciationAmortization_lbl" xml:lang="en">Cost of Goods and Services Sold - Depreciation and Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostGoodsServicesSoldDepreciationAmortization_lbl" xml:lang="en">Depreciation and Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostGoodsServicesSoldDepreciationAmortization_lbl" xml:lang="en">Cost of Goods and Services Sold - Depreciation and Amortization - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostGoodsServicesSoldDirectOperating" xlink:label="exc-og_CostGoodsServicesSoldDirectOperating"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostGoodsServicesSoldDirectOperating" xlink:to="exc-og_CostGoodsServicesSoldDirectOperating_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostGoodsServicesSoldDirectOperating_lbl" xml:lang="en">Direct Operating costs incurred in the production of products and the delivery of services.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostGoodsServicesSoldDirectOperating_lbl" xml:lang="en">Cost Direct Operating Goods and Services Sold</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostGoodsServicesSoldDirectOperating_lbl" xml:lang="en">Cost Direct Operating Goods and Services Sold</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostGoodsServicesSoldDirectOperating_lbl" xml:lang="en">Cost Direct Operating Goods and Services Sold - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostGoodsServicesSoldEnergyCommoditiesServices" xlink:label="exc-og_CostGoodsServicesSoldEnergyCommoditiesServices"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostGoodsServicesSoldEnergyCommoditiesServices" xlink:to="exc-og_CostGoodsServicesSoldEnergyCommoditiesServices_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostGoodsServicesSoldEnergyCommoditiesServices_lbl" xml:lang="en">Cost of Goods and Services - Energy Commodities and Services</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostGoodsServicesSoldEnergyCommoditiesServices_lbl" xml:lang="en">Cost of Goods and Services - Energy Commodities and Services</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostGoodsServicesSoldEnergyCommoditiesServices_lbl" xml:lang="en">Cost of Goods and Services - Energy Commodities and Services</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostGoodsServicesSoldEnergyCommoditiesServices_lbl" xml:lang="en">Cost of Goods and Services - Energy Commodities and Services - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostGoodsSoldElectric" xlink:label="exc-og_CostGoodsSoldElectric"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostGoodsSoldElectric" xlink:to="exc-og_CostGoodsSoldElectric_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostGoodsSoldElectric_lbl" xml:lang="en">Cost incurred to produce and deliver Electric</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostGoodsSoldElectric_lbl" xml:lang="en">Cost of Goods Sold - Electric</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostGoodsSoldElectric_lbl" xml:lang="en">Cost of Electric</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostGoodsSoldElectric_lbl" xml:lang="en">Cost of Goods Sold - Electric - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostGoodsSoldOilGas" xlink:label="exc-og_CostGoodsSoldOilGas"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostGoodsSoldOilGas" xlink:to="exc-og_CostGoodsSoldOilGas_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostGoodsSoldOilGas_lbl" xml:lang="en">Cost incurred to produce and deliver oil and gas sold.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostGoodsSoldOilGas_lbl" xml:lang="en">Cost of Goods Sold - Oil and Gas</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostGoodsSoldOilGas_lbl" xml:lang="en">Cost of Oil and Gas Sold</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostGoodsSoldOilGas_lbl" xml:lang="en">Cost of Goods Sold - Oil and Gas - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostGoodsSoldSubscriptionEmbedded" xlink:label="exc-og_CostGoodsSoldSubscriptionEmbedded"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostGoodsSoldSubscriptionEmbedded" xlink:to="exc-og_CostGoodsSoldSubscriptionEmbedded_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostGoodsSoldSubscriptionEmbedded_lbl" xml:lang="en">Costs incurred with providing Embedded subscription. Embedded subscription consists of revenue for technical support and maintenance services provided.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostGoodsSoldSubscriptionEmbedded_lbl" xml:lang="en">Cost of Goods Sold - Subscription Embedded</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostGoodsSoldSubscriptionEmbedded_lbl" xml:lang="en">Cost of Goods Sold - Subscription Embedded</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostGoodsSoldSubscriptionEmbedded_lbl" xml:lang="en">Cost of Goods Sold - Subscription Embedded - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostGoodsSoldSubscriptionRetail" xlink:label="exc-og_CostGoodsSoldSubscriptionRetail"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostGoodsSoldSubscriptionRetail" xlink:to="exc-og_CostGoodsSoldSubscriptionRetail_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostGoodsSoldSubscriptionRetail_lbl" xml:lang="en">Costs incurred with providing Retail subscriptions.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostGoodsSoldSubscriptionRetail_lbl" xml:lang="en">Cost of Goods Sold - Subscription Retail</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostGoodsSoldSubscriptionRetail_lbl" xml:lang="en">Cost of Goods Sold - Subscription Retail</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostGoodsSoldSubscriptionRetail_lbl" xml:lang="en">Cost of Goods Sold - Subscription Retail - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostGoodsSoldSubscriptionTechnologies" xlink:label="exc-og_CostGoodsSoldSubscriptionTechnologies"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostGoodsSoldSubscriptionTechnologies" xlink:to="exc-og_CostGoodsSoldSubscriptionTechnologies_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostGoodsSoldSubscriptionTechnologies_lbl" xml:lang="en">Costs incurred with providing subscription Technologies.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostGoodsSoldSubscriptionTechnologies_lbl" xml:lang="en">Cost of Goods Sold - Subscription Technologies</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostGoodsSoldSubscriptionTechnologies_lbl" xml:lang="en">Cost of Goods Sold - Subscription Technologies</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostGoodsSoldSubscriptionTechnologies_lbl" xml:lang="en">Cost of Goods Sold - Subscription Technologies - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostHotels" xlink:label="exc-og_CostHotels"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostHotels" xlink:to="exc-og_CostHotels_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostHotels_lbl" xml:lang="en">Direct Costs of lease and owned hotels</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostHotels_lbl" xml:lang="en">Direct Costs of leased and owned hotels</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostHotels_lbl" xml:lang="en">Direct Costs of leased and owned hotels</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostHotels_lbl" xml:lang="en">Direct Costs of leased and owned hotels - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostHotelsLeased" xlink:label="exc-og_CostHotelsLeased"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostHotelsLeased" xlink:to="exc-og_CostHotelsLeased_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostHotelsLeased_lbl" xml:lang="en">Direct Costs of leased hotels</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostHotelsLeased_lbl" xml:lang="en">Direct Costs of leased hotels</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostHotelsLeased_lbl" xml:lang="en">Direct Costs of leased hotels</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostHotelsLeased_lbl" xml:lang="en">Direct Costs of leased hotels - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostHotelsOwned" xlink:label="exc-og_CostHotelsOwned"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostHotelsOwned" xlink:to="exc-og_CostHotelsOwned_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostHotelsOwned_lbl" xml:lang="en">Direct Costs of owned hotels</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostHotelsOwned_lbl" xml:lang="en">Direct Costs of owned hotels</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostHotelsOwned_lbl" xml:lang="en">Direct Costs of owned hotels</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostHotelsOwned_lbl" xml:lang="en">Direct Costs of owned hotels - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostLeaseRental" xlink:label="exc-og_CostLeaseRental"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostLeaseRental" xlink:to="exc-og_CostLeaseRental_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostLeaseRental_lbl" xml:lang="en">Direct Costs of leased and or rented property or equipment when lease or rental is a revenue item</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostLeaseRental_lbl" xml:lang="en">Direct Costs of leased and or rented property or equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostLeaseRental_lbl" xml:lang="en">Direct Costs of leased and or rented property or equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostLeaseRental_lbl" xml:lang="en">Direct Costs of leased and or rented property or equipment - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostLicense" xlink:label="exc-og_CostLicense"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostLicense" xlink:to="exc-og_CostLicense_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostLicense_lbl" xml:lang="en">License Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostLicense_lbl" xml:lang="en">License Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostLicense_lbl" xml:lang="en">License Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostLicense_lbl" xml:lang="en">License Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostMaintenance" xlink:label="exc-og_CostMaintenance"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostMaintenance" xlink:to="exc-og_CostMaintenance_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostMaintenance_lbl" xml:lang="en">Maintenance Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostMaintenance_lbl" xml:lang="en">Maintenance Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostMaintenance_lbl" xml:lang="en">Maintenance Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostMaintenance_lbl" xml:lang="en">Maintenance Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostManufacturing" xlink:label="exc-og_CostManufacturing"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostManufacturing" xlink:to="exc-og_CostManufacturing_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostManufacturing_lbl" xml:lang="en">Manufacturing Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostManufacturing_lbl" xml:lang="en">Manufacturing Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostManufacturing_lbl" xml:lang="en">Manufacturing Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostManufacturing_lbl" xml:lang="en">Manufacturing Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostMarineServices" xlink:label="exc-og_CostMarineServices"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostMarineServices" xlink:to="exc-og_CostMarineServices_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostMarineServices_lbl" xml:lang="en">Cost Marine Services</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostMarineServices_lbl" xml:lang="en">Cost Marine Services</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostMarineServices_lbl" xml:lang="en">Cost Marine Services</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostMarineServices_lbl" xml:lang="en">Cost Marine Services - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostMetalsSold" xlink:label="exc-og_CostMetalsSold"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostMetalsSold" xlink:to="exc-og_CostMetalsSold_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostMetalsSold_lbl" xml:lang="en">Metals Sold Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostMetalsSold_lbl" xml:lang="en">Metals Sold Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostMetalsSold_lbl" xml:lang="en">Metals Sold Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostMetalsSold_lbl" xml:lang="en">Metals Sold Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostMineralExtractionProcessingMarketing" xlink:label="exc-og_CostMineralExtractionProcessingMarketing"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostMineralExtractionProcessingMarketing" xlink:to="exc-og_CostMineralExtractionProcessingMarketing_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostMineralExtractionProcessingMarketing_lbl" xml:lang="en">Mineral Extraction Processing and Marketing Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostMineralExtractionProcessingMarketing_lbl" xml:lang="en">Mineral Extraction Processing and Marketing Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostMineralExtractionProcessingMarketing_lbl" xml:lang="en">Mineral Extraction Processing and Marketing Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostMineralExtractionProcessingMarketing_lbl" xml:lang="en">Mineral Extraction Processing and Marketing Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostNaturalGasMidstream" xlink:label="exc-og_CostNaturalGasMidstream"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostNaturalGasMidstream" xlink:to="exc-og_CostNaturalGasMidstream_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostNaturalGasMidstream_lbl" xml:lang="en">Cost of residue gas, natural gas liquids and condensate. Midstream is a term sometimes used to refer to those industry activities that fall between exploration and production (upstream) and refining and marketing (downstream). The term is most often applied to pipeline transportation of crude oil and natural gas.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostNaturalGasMidstream_lbl" xml:lang="en">Natural Gas Midstream Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostNaturalGasMidstream_lbl" xml:lang="en">Natural Gas Midstream Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostNaturalGasMidstream_lbl" xml:lang="en">Natural Gas Midstream Cost - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostOccupancy" xlink:label="exc-og_CostOccupancy"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostOccupancy" xlink:to="exc-og_CostOccupancy_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostOccupancy_lbl" xml:lang="en">Occupancy Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostOccupancy_lbl" xml:lang="en">Occupancy Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostOccupancy_lbl" xml:lang="en">Occupancy Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostOccupancy_lbl" xml:lang="en">Occupancy Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostOilGasProduction" xlink:label="exc-og_CostOilGasProduction"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostOilGasProduction" xlink:to="exc-og_CostOilGasProduction_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostOilGasProduction_lbl" xml:lang="en">Cost incurred to produce oil and gas sold.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostOilGasProduction_lbl" xml:lang="en">Oil and Gas Production Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostOilGasProduction_lbl" xml:lang="en">Oil and Gas Production</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostOilGasProduction_lbl" xml:lang="en">Oil and Gas Production Expense - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostOilGasProspects" xlink:label="exc-og_CostOilGasProspects"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostOilGasProspects" xlink:to="exc-og_CostOilGasProspects_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostOilGasProspects_lbl" xml:lang="en">Direct costs of oil and gas prospects sold</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostOilGasProspects_lbl" xml:lang="en">Cost of Oil and Gas Prospects</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostOilGasProspects_lbl" xml:lang="en">Cost of Oil and Gas Prospects</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostOilGasProspects_lbl" xml:lang="en">Cost of Oil and Gas Prospects - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostOtherAlternativeEnergy" xlink:label="exc-og_CostOtherAlternativeEnergy"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostOtherAlternativeEnergy" xlink:to="exc-og_CostOtherAlternativeEnergy_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostOtherAlternativeEnergy_lbl" xml:lang="en">Cost Other Alternative Energy</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostOtherAlternativeEnergy_lbl" xml:lang="en">Cost Other Alternative Energy</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostOtherAlternativeEnergy_lbl" xml:lang="en">Cost Other Alternative Energy</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostOtherAlternativeEnergy_lbl" xml:lang="en">Cost Other Alternative Energy - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostOtherGoodsServicesSold" xlink:label="exc-og_CostOtherGoodsServicesSold"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostOtherGoodsServicesSold" xlink:to="exc-og_CostOtherGoodsServicesSold_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostOtherGoodsServicesSold_lbl" xml:lang="en">Other costs incurred in the production of products and the delivery of services.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostOtherGoodsServicesSold_lbl" xml:lang="en">Cost Other Goods and Services Sold</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostOtherGoodsServicesSold_lbl" xml:lang="en">Cost Other Goods and Services Sold</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostOtherGoodsServicesSold_lbl" xml:lang="en">Cost Other Goods and Services Sold - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostOtherManfacturedProducts" xlink:label="exc-og_CostOtherManfacturedProducts"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostOtherManfacturedProducts" xlink:to="exc-og_CostOtherManfacturedProducts_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostOtherManfacturedProducts_lbl" xml:lang="en">Cost of other manufactured products not otherwise defined</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostOtherManfacturedProducts_lbl" xml:lang="en">Cost of Other Manufactured Products</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostOtherManfacturedProducts_lbl" xml:lang="en">Cost of Other Manufactured Products</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostOtherManfacturedProducts_lbl" xml:lang="en">Cost of Other Manufactured Products - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostOtherUtility" xlink:label="exc-og_CostOtherUtility"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostOtherUtility" xlink:to="exc-og_CostOtherUtility_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostOtherUtility_lbl" xml:lang="en">Other Utility Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostOtherUtility_lbl" xml:lang="en">Other Utility Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostOtherUtility_lbl" xml:lang="en">Other Utility Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostOtherUtility_lbl" xml:lang="en">Other Utility Cost - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostPropane" xlink:label="exc-og_CostPropane"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostPropane" xlink:to="exc-og_CostPropane_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostPropane_lbl" xml:lang="en">Propane Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostPropane_lbl" xml:lang="en">Propane Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostPropane_lbl" xml:lang="en">Propane Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostPropane_lbl" xml:lang="en">Propane Cost - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostPublishing" xlink:label="exc-og_CostPublishing"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostPublishing" xlink:to="exc-og_CostPublishing_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostPublishing_lbl" xml:lang="en">Publishing Revenue Costs - such as production, distribution and editorial costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostPublishing_lbl" xml:lang="en">Publishing Revenue Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostPublishing_lbl" xml:lang="en">Publishing Revenue Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostPublishing_lbl" xml:lang="en">Publishing Revenue Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostPurchasedPower" xlink:label="exc-og_CostPurchasedPower"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostPurchasedPower" xlink:to="exc-og_CostPurchasedPower_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostPurchasedPower_lbl" xml:lang="en">Costs incurred in purchasing power.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostPurchasedPower_lbl" xml:lang="en">Purchased power</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostPurchasedPower_lbl" xml:lang="en">Purchased power</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostPurchasedPower_lbl" xml:lang="en">Purchased power</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostPurchasedPowerFromAffiliate" xlink:label="exc-og_CostPurchasedPowerFromAffiliate"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostPurchasedPowerFromAffiliate" xlink:to="exc-og_CostPurchasedPowerFromAffiliate_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostPurchasedPowerFromAffiliate_lbl" xml:lang="en">Purchased power from affiliate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostPurchasedPowerFromAffiliate_lbl" xml:lang="en">Purchased power from affiliate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostPurchasedPowerFromAffiliate_lbl" xml:lang="en">Purchased power from affiliate</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostPurchasedPowerFromAffiliate_lbl" xml:lang="en">Purchased power from affiliate - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostPurchasedWater" xlink:label="exc-og_CostPurchasedWater"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostPurchasedWater" xlink:to="exc-og_CostPurchasedWater_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostPurchasedWater_lbl" xml:lang="en">Purchased-water costs, if water is bought on a unit volume basis, would also be considered as commodity costs. The purchased water cost may include all costs associated with the purchase of water from outside sources including any water related assessment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostPurchasedWater_lbl" xml:lang="en">Cost of Purchased Water</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostPurchasedWater_lbl" xml:lang="en">Cost of Purchased Water</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostPurchasedWater_lbl" xml:lang="en">Cost of Purchased Water - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostPurchaseOilGas" xlink:label="exc-og_CostPurchaseOilGas"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostPurchaseOilGas" xlink:to="exc-og_CostPurchaseOilGas_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostPurchaseOilGas_lbl" xml:lang="en">Cost incurred to purchase oil and gas sold.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostPurchaseOilGas_lbl" xml:lang="en">Cost of Oil and Gas Purchases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostPurchaseOilGas_lbl" xml:lang="en">Cost of Oil and Gas Purchases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostPurchaseOilGas_lbl" xml:lang="en">Cost of Oil and Gas Purchases - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostRecycling" xlink:label="exc-og_CostRecycling"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostRecycling" xlink:to="exc-og_CostRecycling_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostRecycling_lbl" xml:lang="en">Recycling Operating Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostRecycling_lbl" xml:lang="en">Recycling Operating Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostRecycling_lbl" xml:lang="en">Recycling Operating Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostRecycling_lbl" xml:lang="en">Recycling Operating Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostRefiningMarketing" xlink:label="exc-og_CostRefiningMarketing"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostRefiningMarketing" xlink:to="exc-og_CostRefiningMarketing_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostRefiningMarketing_lbl" xml:lang="en">Cost Refining and Marketing</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostRefiningMarketing_lbl" xml:lang="en">Cost Refining and Marketing</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostRefiningMarketing_lbl" xml:lang="en">Cost Refining and Marketing</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostRefiningMarketing_lbl" xml:lang="en">Cost Refining and Marketing - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostReimbursableExpenses" xlink:label="exc-og_CostReimbursableExpenses"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostReimbursableExpenses" xlink:to="exc-og_CostReimbursableExpenses_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostReimbursableExpenses_lbl" xml:lang="en">Cost Reimbursable Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostReimbursableExpenses_lbl" xml:lang="en">Cost Reimbursable Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostReimbursableExpenses_lbl" xml:lang="en">Cost Reimbursable Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostReimbursableExpenses_lbl" xml:lang="en">Cost Reimbursable Expenses - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostRentalLandingFees" xlink:label="exc-og_CostRentalLandingFees"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostRentalLandingFees" xlink:to="exc-og_CostRentalLandingFees_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostRentalLandingFees_lbl" xml:lang="en">Aircraft rental and landing fees.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostRentalLandingFees_lbl" xml:lang="en">Aircraft rental and landing fees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostRentalLandingFees_lbl" xml:lang="en">Aircraft rental and landing fees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostRentalLandingFees_lbl" xml:lang="en">Aircraft rental and landing fees - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostSecondaryProcessing" xlink:label="exc-og_CostSecondaryProcessing"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostSecondaryProcessing" xlink:to="exc-og_CostSecondaryProcessing_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostSecondaryProcessing_lbl" xml:lang="en">Cost incurred in secondary processing of earths, rocks and minerals not carried out at the extraction site (i.e. secondary processing such as bitumen coating of chippings); secondary processing of materials recovered by dredging once they have been transferred from the dredging vessel (including the transfer process); or mineral prospecting. Also secondary processing of crude oil into gases, liquids and solids. Secondary processing could refer to all metalworking processes that follow the forging process in which case the ypical secondary processes are heat treating, rough machining, trimming, torch cutting, and testing.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostSecondaryProcessing_lbl" xml:lang="en">Cost of Secondary Processing</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostSecondaryProcessing_lbl" xml:lang="en">Cost of Secondary Processing</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostSecondaryProcessing_lbl" xml:lang="en">Cost of Secondary Processing - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostServicesDirectEnviromentalRemediation" xlink:label="exc-og_CostServicesDirectEnviromentalRemediation"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostServicesDirectEnviromentalRemediation" xlink:to="exc-og_CostServicesDirectEnviromentalRemediation_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostServicesDirectEnviromentalRemediation_lbl" xml:lang="en">Labor incurred directly in the delivery of environmental remediation when providing such services is part of the companies main business objectives.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostServicesDirectEnviromentalRemediation_lbl" xml:lang="en">Cost of Services - Direct Environmental Remediation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostServicesDirectEnviromentalRemediation_lbl" xml:lang="en">Cost of Services - Direct Environmental Remediation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostServicesDirectEnviromentalRemediation_lbl" xml:lang="en">Cost of Services - Direct Environmental Remediation - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostServicesEmbedded" xlink:label="exc-og_CostServicesEmbedded"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostServicesEmbedded" xlink:to="exc-og_CostServicesEmbedded_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostServicesEmbedded_lbl" xml:lang="en">Costs associated with embedded development services for technical support and maintenance services provided.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostServicesEmbedded_lbl" xml:lang="en">Embedded Service Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostServicesEmbedded_lbl" xml:lang="en">Embedded Service Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostServicesEmbedded_lbl" xml:lang="en">Embedded Service Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostServicesTechnologies" xlink:label="exc-og_CostServicesTechnologies"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostServicesTechnologies" xlink:to="exc-og_CostServicesTechnologies_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostServicesTechnologies_lbl" xml:lang="en">Service Technologies Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostServicesTechnologies_lbl" xml:lang="en">Service Technologies Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostServicesTechnologies_lbl" xml:lang="en">Service Technologies Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostServicesTechnologies_lbl" xml:lang="en">Service Technologies Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostSoftware" xlink:label="exc-og_CostSoftware"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostSoftware" xlink:to="exc-og_CostSoftware_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostSoftware_lbl" xml:lang="en">Software Costs when Software is a revenue item</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostSoftware_lbl" xml:lang="en">Software Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostSoftware_lbl" xml:lang="en">Software Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostSoftware_lbl" xml:lang="en">Software Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostSubscription" xlink:label="exc-og_CostSubscription"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostSubscription" xlink:to="exc-og_CostSubscription_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostSubscription_lbl" xml:lang="en">Costs incurred in fulfillment of subscriptions.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostSubscription_lbl" xml:lang="en">Cost of Goods Sold - Subscription</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostSubscription_lbl" xml:lang="en">Cost of Goods Sold - Subscription Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostSubscription_lbl" xml:lang="en">Cost of Goods Sold - Subscription - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostSyntheticFuels" xlink:label="exc-og_CostSyntheticFuels"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostSyntheticFuels" xlink:to="exc-og_CostSyntheticFuels_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostSyntheticFuels_lbl" xml:lang="en">Costs of Synthetic fuel which is produced from natural gas and is suitable, like modified gasoline, for reforming to produce hydrogen for fuel cell vehicles. Certain synthetic fuels can also be used as a clean diesel fuel. Fuel made by capturing coal fines and processing them into briquettes that are burned either to produce energy or make steel.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostSyntheticFuels_lbl" xml:lang="en">Synthetic Fuel Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostSyntheticFuels_lbl" xml:lang="en">Synthetic Fuel Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostSyntheticFuels_lbl" xml:lang="en">Synthetic Fuel Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostTimber" xlink:label="exc-og_CostTimber"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostTimber" xlink:to="exc-og_CostTimber_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostTimber_lbl" xml:lang="en">Timber Operating Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostTimber_lbl" xml:lang="en">Timber Operating Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostTimber_lbl" xml:lang="en">Timber Operating Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostTimber_lbl" xml:lang="en">Timber Operating Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostTransportation" xlink:label="exc-og_CostTransportation"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostTransportation" xlink:to="exc-og_CostTransportation_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostTransportation_lbl" xml:lang="en">Oil and Gas Transportation Costs and Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostTransportation_lbl" xml:lang="en">Oil and Gas Transportation Costs and Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostTransportation_lbl" xml:lang="en">Oil and Gas Transportation Costs and Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostTransportation_lbl" xml:lang="en">Oil and Gas Transportation Costs and Other - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostWaterProduction" xlink:label="exc-og_CostWaterProduction"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostWaterProduction" xlink:to="exc-og_CostWaterProduction_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostWaterProduction_lbl" xml:lang="en">Water production costs may include cost of treatment plants, pumps, pipes and reservoir, purchased water, power and pump taxes as well as the cost of  reducing water leakage.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostWaterProduction_lbl" xml:lang="en">Water Production Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostWaterProduction_lbl" xml:lang="en">Water Production Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostWaterProduction_lbl" xml:lang="en">Water Production Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostWebSite" xlink:label="exc-og_CostWebSite"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostWebSite" xlink:to="exc-og_CostWebSite_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostWebSite_lbl" xml:lang="en">Website Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostWebSite_lbl" xml:lang="en">Website Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostWebSite_lbl" xml:lang="en">Website Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostWebSite_lbl" xml:lang="en">Website Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostWellService" xlink:label="exc-og_CostWellService"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostWellService" xlink:to="exc-og_CostWellService_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostWellService_lbl" xml:lang="en">Cost incurred to service oil and gas production wells.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostWellService_lbl" xml:lang="en">Well Service Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostWellService_lbl" xml:lang="en">Well Service Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostWellService_lbl" xml:lang="en">Well Service Expense - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CostWorldwideNonregulatedElectric" xlink:label="exc-og_CostWorldwideNonregulatedElectric"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CostWorldwideNonregulatedElectric" xlink:to="exc-og_CostWorldwideNonregulatedElectric_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CostWorldwideNonregulatedElectric_lbl" xml:lang="en">Cost of Worldwide Nonregulated Electric</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CostWorldwideNonregulatedElectric_lbl" xml:lang="en">Cost of Worldwide Nonregulated Electric</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CostWorldwideNonregulatedElectric_lbl" xml:lang="en">Cost of Worldwide Nonregulated Electric</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CostWorldwideNonregulatedElectric_lbl" xml:lang="en">Cost of Worldwide Nonregulated Electric - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CounterpartyCollateralDepositsCurrent" xlink:label="exc-og_CounterpartyCollateralDepositsCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CounterpartyCollateralDepositsCurrent" xlink:to="exc-og_CounterpartyCollateralDepositsCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CounterpartyCollateralDepositsCurrent_lbl" xml:lang="en">Current portion of collateral from party on the other side of a trade and or transaction.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CounterpartyCollateralDepositsCurrent_lbl" xml:lang="en">Counterparty Collateral Deposits - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CounterpartyCollateralDepositsCurrent_lbl" xml:lang="en">Counterparty Collateral Deposits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CounterpartyCollateralDepositsCurrent_lbl" xml:lang="en">Counterparty Collateral Deposits - Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CumulativeEffectChangeAccountingPrincipleNet" xlink:label="exc-og_CumulativeEffectChangeAccountingPrincipleNet"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CumulativeEffectChangeAccountingPrincipleNet" xlink:to="exc-og_CumulativeEffectChangeAccountingPrincipleNet_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CumulativeEffectChangeAccountingPrincipleNet_lbl" xml:lang="en">Cumulative adjustment to equity due to a change in accounting principle, net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CumulativeEffectChangeAccountingPrincipleNet_lbl" xml:lang="en">Cumulative Effect of a Change in Accounting Principle, Net of Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CumulativeEffectChangeAccountingPrincipleNet_lbl" xml:lang="en">Cumulative Effect of a Change in Accounting Principle, Net of Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CumulativeEffectChangeAccountingPrincipleNet_lbl" xml:lang="en">Cumulative Effect of a Change in Accounting Principle, Net of Tax - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CumulativeEffectChangeAccountingPrincipleNetAbstract" xlink:label="exc-og_CumulativeEffectChangeAccountingPrincipleNetAbstract"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CumulativeEffectChangeAccountingPrincipleNetAbstract" xlink:to="exc-og_CumulativeEffectChangeAccountingPrincipleNetAbstract_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CumulativeEffectChangeAccountingPrincipleNetAbstract_lbl" xml:lang="en">The cumulative adjustment to beginning retained earnings resulted from changes in accounting principles (except changing to LIFO inventory method or using new depreciation method to new assets, where cumulative effects are not decidable); computed by applying the new principle(s) to prior years to calculate cumulative differences in income net of any tax effects</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CumulativeEffectChangeAccountingPrincipleNetAbstract_lbl" xml:lang="en">Cumulative Effect of a Change in Accounting Principle, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CumulativeEffectChangeAccountingPrincipleNetAbstract_lbl" xml:lang="en">Cumulative Effect of a Change in Accounting Principle, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CumulativeEffectChangeAccountingPrincipleNetAbstract_lbl" xml:lang="en">Cumulative Effect of a Change in Accounting Principle, Net - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CumulativeEffectChangeAccountingPrincipleNetCumulativeEffectChangeAccountingPrincipleGross" xlink:label="exc-og_CumulativeEffectChangeAccountingPrincipleNetCumulativeEffectChangeAccountingPrincipleGross"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CumulativeEffectChangeAccountingPrincipleNetCumulativeEffectChangeAccountingPrincipleGross" xlink:to="exc-og_CumulativeEffectChangeAccountingPrincipleNetCumulativeEffectChangeAccountingPrincipleGross_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CumulativeEffectChangeAccountingPrincipleNetCumulativeEffectChangeAccountingPrincipleGross_lbl" xml:lang="en">Gross cumulative adjustment to equity due to a change in accounting principle</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CumulativeEffectChangeAccountingPrincipleNetCumulativeEffectChangeAccountingPrincipleGross_lbl" xml:lang="en">Cumulative Effect of a Change in Accounting Principle, Gross</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CumulativeEffectChangeAccountingPrincipleNetCumulativeEffectChangeAccountingPrincipleGross_lbl" xml:lang="en">Cumulative Effect of a Change in Accounting Principle</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CumulativeEffectChangeAccountingPrincipleNetCumulativeEffectChangeAccountingPrincipleGross_lbl" xml:lang="en">Cumulative Effect of a Change in Accounting Principle, Gross - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CumulativeEffectChangeAccountingPrincipleNetOther" xlink:label="exc-og_CumulativeEffectChangeAccountingPrincipleNetOther"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CumulativeEffectChangeAccountingPrincipleNetOther" xlink:to="exc-og_CumulativeEffectChangeAccountingPrincipleNetOther_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CumulativeEffectChangeAccountingPrincipleNetOther_lbl" xml:lang="en">Other Cumulative adjustment to equity due to a change in accounting principle, net not otherwise defined.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CumulativeEffectChangeAccountingPrincipleNetOther_lbl" xml:lang="en">Other Cumulative Effect of a Change in Accounting Principle, Net of Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CumulativeEffectChangeAccountingPrincipleNetOther_lbl" xml:lang="en">Other Cumulative Effect of a Change in Accounting Principle, Net of Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CumulativeEffectChangeAccountingPrincipleNetOther_lbl" xml:lang="en">Other Cumulative Effect of a Change in Accounting Principle, Net of Tax - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CumulativeEffectChangeAccountingPrincipleNetTaxAffectCumulativeEffectAccountingPrinciple" xlink:label="exc-og_CumulativeEffectChangeAccountingPrincipleNetTaxAffectCumulativeEffectAccountingPrinciple"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CumulativeEffectChangeAccountingPrincipleNetTaxAffectCumulativeEffectAccountingPrinciple" xlink:to="exc-og_CumulativeEffectChangeAccountingPrincipleNetTaxAffectCumulativeEffectAccountingPrinciple_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CumulativeEffectChangeAccountingPrincipleNetTaxAffectCumulativeEffectAccountingPrinciple_lbl" xml:lang="en">Tax effect of the cumulative adjustment to equity due to a change in accounting principle</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CumulativeEffectChangeAccountingPrincipleNetTaxAffectCumulativeEffectAccountingPrinciple_lbl" xml:lang="en">Cumulative Effect of a Change in Accounting Principle, Tax Effect</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CumulativeEffectChangeAccountingPrincipleNetTaxAffectCumulativeEffectAccountingPrinciple_lbl" xml:lang="en">Tax Effect of a Cumulative Effect in Accounting Principle</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CumulativeEffectChangeAccountingPrincipleNetTaxAffectCumulativeEffectAccountingPrinciple_lbl" xml:lang="en">Cumulative Effect of a Change in Accounting Principle, Tax Effect - Total</label>
    <loc xlink:type="locator" xlink:href="http://www.xbrl.org/us/fr/common/pte/2005-02-28/usfr-pte-2005-02-28.xsd#usfr-pte_CumulativeEffectChangeAccountingPrincipleNetTaxEffect" xlink:label="usfr-pte_CumulativeEffectChangeAccountingPrincipleNetTaxEffect"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="usfr-pte_CumulativeEffectChangeAccountingPrincipleNetTaxEffect" xlink:to="usfr-pte_CumulativeEffectChangeAccountingPrincipleNetTaxEffect_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="usfr-pte_CumulativeEffectChangeAccountingPrincipleNetTaxEffect_lbl" xml:lang="en">Effect, net of tax, of switching from one accounting principle to another.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="usfr-pte_CumulativeEffectChangeAccountingPrincipleNetTaxEffect_lbl" xml:lang="en">Cumulative effect of a change in accounting principle (net of income taxes of $0, $0, and $(27), respectively)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="usfr-pte_CumulativeEffectChangeAccountingPrincipleNetTaxEffect_lbl" xml:lang="en">Cumulative effect of a change in accounting principle (net of income taxes of $0, $0, and $(27), respectively)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="usfr-pte_CumulativeEffectChangeAccountingPrincipleNetTaxEffect_lbl" xml:lang="en">Cumulative effect of a change in accounting principle (net of income taxes of $0, $0, and $(27), respectively)</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerBasicDilutedShare" xlink:label="exc-og_CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerBasicDilutedShare"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerBasicDilutedShare" xlink:to="exc-og_CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerBasicDilutedShare_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerBasicDilutedShare_lbl" xml:lang="en">Cumulative effect of change in accounting principle, net of tax effect per Basic and Diluted Share.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerBasicDilutedShare_lbl" xml:lang="en">Cumulative Effect of a Change in Accounting Principle, Net of Tax Effect, Per Basic and Diluted Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerBasicDilutedShare_lbl" xml:lang="en">Cumulative Effect of a Change in Accounting Principle, Net of Tax Effect</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerBasicDilutedShare_lbl" xml:lang="en">Cumulative Effect of a Change in Accounting Principle, Net of Tax Effect, Per Basic and Diluted Share - Total</label>
    <loc xlink:type="locator" xlink:href="http://www.xbrl.org/us/fr/common/pte/2005-02-28/usfr-pte-2005-02-28.xsd#usfr-pte_CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerDilutedShare" xlink:label="usfr-pte_CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerDilutedShare"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="usfr-pte_CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerDilutedShare" xlink:to="usfr-pte_CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerDilutedShare_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="usfr-pte_CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerDilutedShare_lbl" xml:lang="en">Cumulative effect of change in accounting principle, net of tax effect per Diluted Share.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="usfr-pte_CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerDilutedShare_lbl" xml:lang="en">Cumulative effect of a change in accounting principle</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="usfr-pte_CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerDilutedShare_lbl" xml:lang="en">Cumulative effect of a change in accounting principle</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="usfr-pte_CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerDilutedShare_lbl" xml:lang="en">Cumulative effect of a change in accounting principle</label>
    <loc xlink:type="locator" xlink:href="http://www.xbrl.org/us/fr/common/pte/2005-02-28/usfr-pte-2005-02-28.xsd#usfr-pte_CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerOutstandingShare" xlink:label="usfr-pte_CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerOutstandingShare"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="usfr-pte_CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerOutstandingShare" xlink:to="usfr-pte_CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerOutstandingShare_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="usfr-pte_CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerOutstandingShare_lbl" xml:lang="en">Cumulative Effect of Change in Accounting Principle, Net of Tax Effect per Outstanding Share.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="usfr-pte_CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerOutstandingShare_lbl" xml:lang="en">Cumulative effect of a change in accounting principle</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="usfr-pte_CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerOutstandingShare_lbl" xml:lang="en">Cumulative effect of a change in accounting principle</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="usfr-pte_CumulativeEffectChangeAccountingPrincipleNetTaxEffectPerOutstandingShare_lbl" xml:lang="en">Cumulative effect of a change in accounting principle</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CurrentAccumulatedDepreciationAmortizationPPE" xlink:label="exc-og_CurrentAccumulatedDepreciationAmortizationPPE"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CurrentAccumulatedDepreciationAmortizationPPE" xlink:to="exc-og_CurrentAccumulatedDepreciationAmortizationPPE_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CurrentAccumulatedDepreciationAmortizationPPE_lbl" xml:lang="en">The cumulative amount of depreciation and amortization that has been recognized in the income statement, generally shown as a deduction from the historical cost of fixed assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CurrentAccumulatedDepreciationAmortizationPPE_lbl" xml:lang="en">Accumulated Depreciation and Amortization - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CurrentAccumulatedDepreciationAmortizationPPE_lbl" xml:lang="en">Accumulated Depreciation and Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CurrentAccumulatedDepreciationAmortizationPPE_lbl" xml:lang="en">Accumulated Depreciation and Amortization - Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CurrentCapitalLeasedAssetsGross" xlink:label="exc-og_CurrentCapitalLeasedAssetsGross"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CurrentCapitalLeasedAssetsGross" xlink:to="exc-og_CurrentCapitalLeasedAssetsGross_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CurrentCapitalLeasedAssetsGross_lbl" xml:lang="en">Current portion of Tangible assets financed by a capital lease agreement.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CurrentCapitalLeasedAssetsGross_lbl" xml:lang="en">Current Capital Leased Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CurrentCapitalLeasedAssetsGross_lbl" xml:lang="en">Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CurrentCapitalLeasedAssetsGross_lbl" xml:lang="en">Current Capital Leased Assets - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CurrentCapitalLeasedAssetsNet" xlink:label="exc-og_CurrentCapitalLeasedAssetsNet"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CurrentCapitalLeasedAssetsNet" xlink:to="exc-og_CurrentCapitalLeasedAssetsNet_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CurrentCapitalLeasedAssetsNet_lbl" xml:lang="en">Current portion of Tangible assets financed by a capital lease agreement net of accumulated Depreciation.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CurrentCapitalLeasedAssetsNet_lbl" xml:lang="en">Current Capital Leased Assets Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CurrentCapitalLeasedAssetsNet_lbl" xml:lang="en">Current Capital Lease Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CurrentCapitalLeasedAssetsNet_lbl" xml:lang="en">Current Capital Leased Assets Net - Total</label>
    <loc xlink:type="locator" xlink:href="http://www.xbrl.org/us/fr/common/pte/2005-02-28/usfr-pte-2005-02-28.xsd#usfr-pte_CurrentLiabilities" xlink:label="usfr-pte_CurrentLiabilities"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="usfr-pte_CurrentLiabilities" xlink:to="usfr-pte_CurrentLiabilities_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="usfr-pte_CurrentLiabilities_lbl" xml:lang="en">Total obligations incurred as part of normal operations that is expected to be repaid during the following twelve months or one business cycle.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="usfr-pte_CurrentLiabilities_lbl" xml:lang="en">Total current liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="usfr-pte_CurrentLiabilities_lbl" xml:lang="en">Total current liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="usfr-pte_CurrentLiabilities_lbl" xml:lang="en">Total current liabilities</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CurrentMaturitiesRedeemablePreferredStock" xlink:label="exc-og_CurrentMaturitiesRedeemablePreferredStock"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CurrentMaturitiesRedeemablePreferredStock" xlink:to="exc-og_CurrentMaturitiesRedeemablePreferredStock_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CurrentMaturitiesRedeemablePreferredStock_lbl" xml:lang="en">Current Maturities of Redeemable Preferred Stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CurrentMaturitiesRedeemablePreferredStock_lbl" xml:lang="en">Current Maturities of Redeemable Preferred Stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CurrentMaturitiesRedeemablePreferredStock_lbl" xml:lang="en">Current Maturities of Redeemable Preferred Stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CurrentMaturitiesRedeemablePreferredStock_lbl" xml:lang="en">Current Maturities of Redeemable Preferred Stock - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CurrentPortionIntangibleAssets" xlink:label="exc-og_CurrentPortionIntangibleAssets"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CurrentPortionIntangibleAssets" xlink:to="exc-og_CurrentPortionIntangibleAssets_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CurrentPortionIntangibleAssets_lbl" xml:lang="en">Current Portion of Assets, excluding financial assets, that lack physical substance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CurrentPortionIntangibleAssets_lbl" xml:lang="en">Current Portion Intangible Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CurrentPortionIntangibleAssets_lbl" xml:lang="en">Current Portion Intangible Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CurrentPortionIntangibleAssets_lbl" xml:lang="en">Current Portion Intangible Assets - Total</label>
    <loc xlink:type="locator" xlink:href="http://www.xbrl.org/us/fr/common/pte/2005-02-28/usfr-pte-2005-02-28.xsd#usfr-pte_CurrentPortionLongTermDebt" xlink:label="usfr-pte_CurrentPortionLongTermDebt"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="usfr-pte_CurrentPortionLongTermDebt" xlink:to="usfr-pte_CurrentPortionLongTermDebt_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="usfr-pte_CurrentPortionLongTermDebt_lbl" xml:lang="en">The sum of all debt which is due within one year or less.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="usfr-pte_CurrentPortionLongTermDebt_lbl" xml:lang="en">Long-term debt due within one year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="usfr-pte_CurrentPortionLongTermDebt_lbl" xml:lang="en">Long-term debt due within one year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="usfr-pte_CurrentPortionLongTermDebt_lbl" xml:lang="en">Long-term debt due within one year</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CurrentPortionLongTermEnergyTransitionTust" xlink:label="exc-og_CurrentPortionLongTermEnergyTransitionTust"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CurrentPortionLongTermEnergyTransitionTust" xlink:to="exc-og_CurrentPortionLongTermEnergyTransitionTust_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CurrentPortionLongTermEnergyTransitionTust_lbl" xml:lang="en">Current portion of long term energy transition tust.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CurrentPortionLongTermEnergyTransitionTust_lbl" xml:lang="en">Current Portion of Long Term Energy Transition Tust</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CurrentPortionLongTermEnergyTransitionTust_lbl" xml:lang="en">Current Portion of Long Term Energy Transition Tust</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CurrentPortionLongTermEnergyTransitionTust_lbl" xml:lang="en">Current Portion of Long Term Energy Transition Tust - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CurrentPortionLongTermReceivables" xlink:label="exc-og_CurrentPortionLongTermReceivables"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CurrentPortionLongTermReceivables" xlink:to="exc-og_CurrentPortionLongTermReceivables_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CurrentPortionLongTermReceivables_lbl" xml:lang="en">Current portion of Long Term Receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CurrentPortionLongTermReceivables_lbl" xml:lang="en">Current Portion Long-Term Receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CurrentPortionLongTermReceivables_lbl" xml:lang="en">Current Portion Long-Term Receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CurrentPortionLongTermReceivables_lbl" xml:lang="en">Current Portion Long-Term Receivables - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CurrentPortionOtherLongTermDebt" xlink:label="exc-og_CurrentPortionOtherLongTermDebt"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CurrentPortionOtherLongTermDebt" xlink:to="exc-og_CurrentPortionOtherLongTermDebt_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CurrentPortionOtherLongTermDebt_lbl" xml:lang="en">The sum of all Other debt which is due within one year or less not otherwise defined.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CurrentPortionOtherLongTermDebt_lbl" xml:lang="en">Current Portion of  Other Long Term Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CurrentPortionOtherLongTermDebt_lbl" xml:lang="en">Current Portion of Other Long Term Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CurrentPortionOtherLongTermDebt_lbl" xml:lang="en">Current Portion of  Other Long Term Debt - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CustodyFees" xlink:label="exc-og_CustodyFees"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CustodyFees" xlink:to="exc-og_CustodyFees_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CustodyFees_lbl" xml:lang="en">Those account fees usually charged annually or semi-annually, on a per security basis, for the costs of custodial services.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CustodyFees_lbl" xml:lang="en">Custody Fees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CustodyFees_lbl" xml:lang="en">Custody Fees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CustodyFees_lbl" xml:lang="en">Custody Fees - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CustomerContributionConstruction" xlink:label="exc-og_CustomerContributionConstruction"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CustomerContributionConstruction" xlink:to="exc-og_CustomerContributionConstruction_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CustomerContributionConstruction_lbl" xml:lang="en">Proceeds from customers contributing to construction</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CustomerContributionConstruction_lbl" xml:lang="en">Customer Contribution in Aid of Construction</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CustomerContributionConstruction_lbl" xml:lang="en">Customer Contribution</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CustomerContributionConstruction_lbl" xml:lang="en">Customer Contribution in Aid of Construction - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_CustomerRefundLiabilityNoncurrent" xlink:label="exc-og_CustomerRefundLiabilityNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_CustomerRefundLiabilityNoncurrent" xlink:to="exc-og_CustomerRefundLiabilityNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_CustomerRefundLiabilityNoncurrent_lbl" xml:lang="en">Noncurrent regulatory liabilities generally represent obligations to make refunds to customers for various reasons including overpayment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_CustomerRefundLiabilityNoncurrent_lbl" xml:lang="en">Customer Refund Liability - Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_CustomerRefundLiabilityNoncurrent_lbl" xml:lang="en">Customer Refund Liability - Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_CustomerRefundLiabilityNoncurrent_lbl" xml:lang="en">Customer Refund Liability - Noncurrent - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DataSalesRevenue" xlink:label="exc-og_DataSalesRevenue"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DataSalesRevenue" xlink:to="exc-og_DataSalesRevenue_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DataSalesRevenue_lbl" xml:lang="en">Revenues arising from the sale of data.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DataSalesRevenue_lbl" xml:lang="en">Data Sales Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DataSalesRevenue_lbl" xml:lang="en">Data Sales Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DataSalesRevenue_lbl" xml:lang="en">Data Sales Revenue - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DebtCapitalLeaseObligationsLongTermOther" xlink:label="exc-og_DebtCapitalLeaseObligationsLongTermOther"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DebtCapitalLeaseObligationsLongTermOther" xlink:to="exc-og_DebtCapitalLeaseObligationsLongTermOther_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DebtCapitalLeaseObligationsLongTermOther_lbl" xml:lang="en">Other agreements by which an owner of property (e.g. cash), called the lender, allows another party , the borrower, to use the property, the portion which is due in more than one year (operating cycle) --plus--  Obligation related to a capital lease, the portion which is due in more than one year (operating cycle) not otherwise defined.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DebtCapitalLeaseObligationsLongTermOther_lbl" xml:lang="en">Other Debt and Capital Lease Obligations - Long Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DebtCapitalLeaseObligationsLongTermOther_lbl" xml:lang="en">Other Debt and Capital Lease Obligations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DebtCapitalLeaseObligationsLongTermOther_lbl" xml:lang="en">Other Debt and Capital Lease Obligations - Long Term - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DebtIssuanceCosts" xlink:label="exc-og_DebtIssuanceCosts"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DebtIssuanceCosts" xlink:to="exc-og_DebtIssuanceCosts_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DebtIssuanceCosts_lbl" xml:lang="en">The costs for the reporting to issue debt in its own name (corporate paper)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DebtIssuanceCosts_lbl" xml:lang="en">Debt Issuance Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DebtIssuanceCosts_lbl" xml:lang="en">Debt Issuance Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DebtIssuanceCosts_lbl" xml:lang="en">Debt Issuance Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DebtIssuanceCostsNoncurrent" xlink:label="exc-og_DebtIssuanceCostsNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DebtIssuanceCostsNoncurrent" xlink:to="exc-og_DebtIssuanceCostsNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DebtIssuanceCostsNoncurrent_lbl" xml:lang="en">The costs for the reporting to issue debt in its own name (corporate paper) over more than one year</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DebtIssuanceCostsNoncurrent_lbl" xml:lang="en">Debt Issuance Costs Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DebtIssuanceCostsNoncurrent_lbl" xml:lang="en">Debt Issuance Costs Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DebtIssuanceCostsNoncurrent_lbl" xml:lang="en">Debt Issuance Costs Noncurrent - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DebtRestructuringCosts" xlink:label="exc-og_DebtRestructuringCosts"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DebtRestructuringCosts" xlink:to="exc-og_DebtRestructuringCosts_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DebtRestructuringCosts_lbl" xml:lang="en">A method used by companies with outstanding debt obligations to alter the terms of the debt agreements in order to achieve some advantage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DebtRestructuringCosts_lbl" xml:lang="en">Debt Restructuring Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DebtRestructuringCosts_lbl" xml:lang="en">Debt Restructuring Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DebtRestructuringCosts_lbl" xml:lang="en">Debt Restructuring Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DecommissioningFundInvestments" xlink:label="exc-og_DecommissioningFundInvestments"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DecommissioningFundInvestments" xlink:to="exc-og_DecommissioningFundInvestments_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DecommissioningFundInvestments_lbl" xml:lang="en">Decommissioning trust fund investments for the process whereby a power station, at the end of its economic life, is taken permanently out of service and its site made available for other purposes. Trusts are created for the purpose of funding decommissioning obligations for a nuclear generating unit consistent with Federal Regulatory Commission requirements.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DecommissioningFundInvestments_lbl" xml:lang="en">Nuclear decommissioning trust funds</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DecommissioningFundInvestments_lbl" xml:lang="en">Nuclear decommissioning trust funds</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DecommissioningFundInvestments_lbl" xml:lang="en">Nuclear decommissioning trust funds</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DecommissioningLiabilityNoncurrent" xlink:label="exc-og_DecommissioningLiabilityNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DecommissioningLiabilityNoncurrent" xlink:to="exc-og_DecommissioningLiabilityNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DecommissioningLiabilityNoncurrent_lbl" xml:lang="en">Decommissioning is the process of closing down a facility permanently from operation. Decommissioning could include: shutdown/deactivation, isolation, removal and could be: partial or complete during the following twelve months or one business cycle.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DecommissioningLiabilityNoncurrent_lbl" xml:lang="en">Decommissioning Liability - Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DecommissioningLiabilityNoncurrent_lbl" xml:lang="en">Decommissioning Liability - Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DecommissioningLiabilityNoncurrent_lbl" xml:lang="en">Decommissioning Liability - Noncurrent - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DeferredCharges" xlink:label="exc-og_DeferredCharges"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DeferredCharges" xlink:to="exc-og_DeferredCharges_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DeferredCharges_lbl" xml:lang="en">Aggregate amount of deferred costs (Abstract heading)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DeferredCharges_lbl" xml:lang="en">Deferred Charges and Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DeferredCharges_lbl" xml:lang="en">Deferred Charges and Other</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DeferredCharges_lbl" xml:lang="en">Deferred Charges and Other - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DeferredCompensationCurrent" xlink:label="exc-og_DeferredCompensationCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DeferredCompensationCurrent" xlink:to="exc-og_DeferredCompensationCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DeferredCompensationCurrent_lbl" xml:lang="en">Current Obligation owed to employees who defer a portion of their compensation to be paid in the future.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DeferredCompensationCurrent_lbl" xml:lang="en">Current Deferred Compensation Liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DeferredCompensationCurrent_lbl" xml:lang="en">Current Deferred Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DeferredCompensationCurrent_lbl" xml:lang="en">Current Deferred Compensation Liability - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DeferredCompensationOnRestrictedStock" xlink:label="exc-og_DeferredCompensationOnRestrictedStock"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DeferredCompensationOnRestrictedStock" xlink:to="exc-og_DeferredCompensationOnRestrictedStock_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DeferredCompensationOnRestrictedStock_lbl" xml:lang="en">The amount of deferred compensation amortized during the year on restricted stock.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DeferredCompensationOnRestrictedStock_lbl" xml:lang="en">Deferred Compensation on Restricted Stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DeferredCompensationOnRestrictedStock_lbl" xml:lang="en">Deferred Compensation on Restricted Stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DeferredCompensationOnRestrictedStock_lbl" xml:lang="en">Deferred Compensation on Restricted Stock - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DeferredCreditsNoncurrent" xlink:label="exc-og_DeferredCreditsNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DeferredCreditsNoncurrent" xlink:to="exc-og_DeferredCreditsNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DeferredCreditsNoncurrent_lbl" xml:lang="en">Deferred credits, not including unearned income on installment loans, unamortized discounts on purchased loans and other such items that should be deducted from total loans.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DeferredCreditsNoncurrent_lbl" xml:lang="en">Deferred Credits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DeferredCreditsNoncurrent_lbl" xml:lang="en">Deferred Credits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DeferredCreditsNoncurrent_lbl" xml:lang="en">Deferred Credits - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DeferredDebtLongTermOther" xlink:label="exc-og_DeferredDebtLongTermOther"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DeferredDebtLongTermOther" xlink:to="exc-og_DeferredDebtLongTermOther_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DeferredDebtLongTermOther_lbl" xml:lang="en">Other debt that has been extended or re-scheduled.  Includes both subordinated and non-subordinated debt not otherwise defined.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DeferredDebtLongTermOther_lbl" xml:lang="en">Other Deferred Debt - Long Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DeferredDebtLongTermOther_lbl" xml:lang="en">Other Deferred Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DeferredDebtLongTermOther_lbl" xml:lang="en">Other Deferred Debt - Long Term - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DeferredFuelCostCurrent" xlink:label="exc-og_DeferredFuelCostCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DeferredFuelCostCurrent" xlink:to="exc-og_DeferredFuelCostCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DeferredFuelCostCurrent_lbl" xml:lang="en">Aggregate amount of deferred fuel costs, which are an expenditure for fuel that is not recognized for bookkeeping practices as a cost in the operating period incurred, but carried forward to be written off in future periods.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DeferredFuelCostCurrent_lbl" xml:lang="en">Deferred Fuel Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DeferredFuelCostCurrent_lbl" xml:lang="en">Deferred Fuel Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DeferredFuelCostCurrent_lbl" xml:lang="en">Deferred Fuel Cost - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DeferredGasCostChangeCurrent" xlink:label="exc-og_DeferredGasCostChangeCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DeferredGasCostChangeCurrent" xlink:to="exc-og_DeferredGasCostChangeCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DeferredGasCostChangeCurrent_lbl" xml:lang="en">Aggregate amount of deferred costs that are attributable to changes in the cost of natural gas</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DeferredGasCostChangeCurrent_lbl" xml:lang="en">Deferred Gas Cost Change</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DeferredGasCostChangeCurrent_lbl" xml:lang="en">Gas Cost Change</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DeferredGasCostChangeCurrent_lbl" xml:lang="en">Deferred Gas Cost Change - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DeferredGasPurchasesCurrent" xlink:label="exc-og_DeferredGasPurchasesCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DeferredGasPurchasesCurrent" xlink:to="exc-og_DeferredGasPurchasesCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DeferredGasPurchasesCurrent_lbl" xml:lang="en">Current liabilities arising from deferral of gas to be purchased</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DeferredGasPurchasesCurrent_lbl" xml:lang="en">Deferred Gas Purchases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DeferredGasPurchasesCurrent_lbl" xml:lang="en">Deferred Gas Purchases</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DeferredGasPurchasesCurrent_lbl" xml:lang="en">Deferred Gas Purchases - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DeferredIncomeTaxesLiabilityNetUnamortizedTaxCredit" xlink:label="exc-og_DeferredIncomeTaxesLiabilityNetUnamortizedTaxCredit"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DeferredIncomeTaxesLiabilityNetUnamortizedTaxCredit" xlink:to="exc-og_DeferredIncomeTaxesLiabilityNetUnamortizedTaxCredit_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DeferredIncomeTaxesLiabilityNetUnamortizedTaxCredit_lbl" xml:lang="en">The future effects on income taxes attributable to taxable temporary differences and unamortized Investment Tax Credits.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DeferredIncomeTaxesLiabilityNetUnamortizedTaxCredit_lbl" xml:lang="en">Deferred income taxes and unamortized tax credits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DeferredIncomeTaxesLiabilityNetUnamortizedTaxCredit_lbl" xml:lang="en">Deferred income taxes and unamortized tax credits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DeferredIncomeTaxesLiabilityNetUnamortizedTaxCredit_lbl" xml:lang="en">Deferred income taxes and unamortized tax credits</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DeferredInvestmentTaxCreditNetCurrent" xlink:label="exc-og_DeferredInvestmentTaxCreditNetCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DeferredInvestmentTaxCreditNetCurrent" xlink:to="exc-og_DeferredInvestmentTaxCreditNetCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DeferredInvestmentTaxCreditNetCurrent_lbl" xml:lang="en">Current Portion Accumulated Deferred Investment Tax Credit Net  is the unamortized balance of investment tax credits that are being spread over the average useful life of the related property or some other shorter period. This balance sheet account is built up by charges against income in the years in which such credits are utilized to reduce federal income tax  payable and is reduced subsequently through credits to income.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DeferredInvestmentTaxCreditNetCurrent_lbl" xml:lang="en">Deferred Investment Tax Credit Net - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DeferredInvestmentTaxCreditNetCurrent_lbl" xml:lang="en">Deferred Investment Tax Credit Net - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DeferredInvestmentTaxCreditNetCurrent_lbl" xml:lang="en">Deferred Investment Tax Credit Net - Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DeferredInvestmentTaxCreditNetNoncurrent" xlink:label="exc-og_DeferredInvestmentTaxCreditNetNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DeferredInvestmentTaxCreditNetNoncurrent" xlink:to="exc-og_DeferredInvestmentTaxCreditNetNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DeferredInvestmentTaxCreditNetNoncurrent_lbl" xml:lang="en">Noncurrent Accumulated Deferred Investment Tax Credit Net  is the unamortized balance of investment tax credits that are being spread over the average useful life of the related property or some other shorter period. This balance sheet account is built up by charges against income in the years in which such credits are utilized to reduce federal income tax  payable and is reduced subsequently through credits to income.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DeferredInvestmentTaxCreditNetNoncurrent_lbl" xml:lang="en">Deferred Investment Tax Credit Net - Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DeferredInvestmentTaxCreditNetNoncurrent_lbl" xml:lang="en">Deferred Investment Tax Credit Net - Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DeferredInvestmentTaxCreditNetNoncurrent_lbl" xml:lang="en">Deferred Investment Tax Credit Net - Noncurrent - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DeferredLeasingCostsNoncurrent" xlink:label="exc-og_DeferredLeasingCostsNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DeferredLeasingCostsNoncurrent" xlink:to="exc-og_DeferredLeasingCostsNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DeferredLeasingCostsNoncurrent_lbl" xml:lang="en">Costs associated with price paid by a a real estate limited partnership, when acquiring a lease, including legal fees and related expenses. The charges are prorated to the limited partners and which are amortized over more than one year.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DeferredLeasingCostsNoncurrent_lbl" xml:lang="en">Deferred Leasing Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DeferredLeasingCostsNoncurrent_lbl" xml:lang="en">Deferred Leasing Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DeferredLeasingCostsNoncurrent_lbl" xml:lang="en">Deferred Leasing Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DeferredLeasingFinancingAccumulatedAmortizationNoncurrent" xlink:label="exc-og_DeferredLeasingFinancingAccumulatedAmortizationNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DeferredLeasingFinancingAccumulatedAmortizationNoncurrent" xlink:to="exc-og_DeferredLeasingFinancingAccumulatedAmortizationNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DeferredLeasingFinancingAccumulatedAmortizationNoncurrent_lbl" xml:lang="en">Less Accumulated Amortization - Deferred Lease and Deferred Financing costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DeferredLeasingFinancingAccumulatedAmortizationNoncurrent_lbl" xml:lang="en">Less Accumulated Amortization - Deferred Lease and Deferred Financing costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DeferredLeasingFinancingAccumulatedAmortizationNoncurrent_lbl" xml:lang="en">Less Accumulated Amortization - Deferred Lease and Deferred Financing costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DeferredLeasingFinancingAccumulatedAmortizationNoncurrent_lbl" xml:lang="en">Less Accumulated Amortization - Deferred Lease and Deferred Financing costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DeferredLiabilityChargesCurrent" xlink:label="exc-og_DeferredLiabilityChargesCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DeferredLiabilityChargesCurrent" xlink:to="exc-og_DeferredLiabilityChargesCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DeferredLiabilityChargesCurrent_lbl" xml:lang="en">Aggregate amount of the deferred effect of a long term assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DeferredLiabilityChargesCurrent_lbl" xml:lang="en">Deferred Long Term Liability Charges - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DeferredLiabilityChargesCurrent_lbl" xml:lang="en">Deferred Long Term Liability Charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DeferredLiabilityChargesCurrent_lbl" xml:lang="en">Deferred Long Term Liability Charges - Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DeferredLiabilityChargesOtherCurrent" xlink:label="exc-og_DeferredLiabilityChargesOtherCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DeferredLiabilityChargesOtherCurrent" xlink:to="exc-og_DeferredLiabilityChargesOtherCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DeferredLiabilityChargesOtherCurrent_lbl" xml:lang="en">Other aggregate amount of the deferred effect of a long term assets not otherwise defined.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DeferredLiabilityChargesOtherCurrent_lbl" xml:lang="en">Other Deferred Liability Charges - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DeferredLiabilityChargesOtherCurrent_lbl" xml:lang="en">Other Deferred Liability Charges - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DeferredLiabilityChargesOtherCurrent_lbl" xml:lang="en">Other Deferred Liability Charges - Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DeferredLongTermAssetChargesOther" xlink:label="exc-og_DeferredLongTermAssetChargesOther"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DeferredLongTermAssetChargesOther" xlink:to="exc-og_DeferredLongTermAssetChargesOther_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DeferredLongTermAssetChargesOther_lbl" xml:lang="en">Other aggregate amount of the deferred effect of a long term not otherwise defined</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DeferredLongTermAssetChargesOther_lbl" xml:lang="en">Other Deferred Long Term Asset Charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DeferredLongTermAssetChargesOther_lbl" xml:lang="en">Other Deferred Long Term Asset Charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DeferredLongTermAssetChargesOther_lbl" xml:lang="en">Other Deferred Long Term Asset Charges - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DeferredLongTermLiabilityChargesOther" xlink:label="exc-og_DeferredLongTermLiabilityChargesOther"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DeferredLongTermLiabilityChargesOther" xlink:to="exc-og_DeferredLongTermLiabilityChargesOther_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DeferredLongTermLiabilityChargesOther_lbl" xml:lang="en">Other aggregate amount of the deferred effect of long term assets and other noncurrent liabilities not otherwise defined.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DeferredLongTermLiabilityChargesOther_lbl" xml:lang="en">Other Deferred Long Term Liability Charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DeferredLongTermLiabilityChargesOther_lbl" xml:lang="en">Other Deferred Long Term Liability Charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DeferredLongTermLiabilityChargesOther_lbl" xml:lang="en">Other Deferred Long Term Liability Charges - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DeferredRecoveredEnergyCostsCurrent" xlink:label="exc-og_DeferredRecoveredEnergyCostsCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DeferredRecoveredEnergyCostsCurrent" xlink:to="exc-og_DeferredRecoveredEnergyCostsCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DeferredRecoveredEnergyCostsCurrent_lbl" xml:lang="en">The amount of under or over recovered energy cost is deferred unitl it is subseqently recovered from or returned to utility customers.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DeferredRecoveredEnergyCostsCurrent_lbl" xml:lang="en">Over Recovered Energy Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DeferredRecoveredEnergyCostsCurrent_lbl" xml:lang="en">Over Recovered Energy Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DeferredRecoveredEnergyCostsCurrent_lbl" xml:lang="en">Over Recovered Energy Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DeferredShortTermAssetCharges" xlink:label="exc-og_DeferredShortTermAssetCharges"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DeferredShortTermAssetCharges" xlink:to="exc-og_DeferredShortTermAssetCharges_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DeferredShortTermAssetCharges_lbl" xml:lang="en">Aggregate amount of the deferred effect of a long term.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DeferredShortTermAssetCharges_lbl" xml:lang="en">Deferred Long Term Asset Charges - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DeferredShortTermAssetCharges_lbl" xml:lang="en">Deferred Long Term Asset Charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DeferredShortTermAssetCharges_lbl" xml:lang="en">Deferred Long Term Asset Charges - Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DeferredStormPropertyDeficiencyCurrent" xlink:label="exc-og_DeferredStormPropertyDeficiencyCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DeferredStormPropertyDeficiencyCurrent" xlink:to="exc-og_DeferredStormPropertyDeficiencyCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DeferredStormPropertyDeficiencyCurrent_lbl" xml:lang="en">Aggregate amount of deferred costs that are attributable to changes in the storm and property reserve fund deficiency,,current portion.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DeferredStormPropertyDeficiencyCurrent_lbl" xml:lang="en">Deferred Storm and Property Reserve Deficiency - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DeferredStormPropertyDeficiencyCurrent_lbl" xml:lang="en">Deferred Storm and Property Reserve Deficiency - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DeferredStormPropertyDeficiencyCurrent_lbl" xml:lang="en">Deferred Storm and Property Reserve Deficiency - Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DeferredStormPropertyDeficiencyNoncurrent" xlink:label="exc-og_DeferredStormPropertyDeficiencyNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DeferredStormPropertyDeficiencyNoncurrent" xlink:to="exc-og_DeferredStormPropertyDeficiencyNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DeferredStormPropertyDeficiencyNoncurrent_lbl" xml:lang="en">Aggregate amount of deferred costs that are attributable to changes in the storm and property reserve fund deficiency over more than one year.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DeferredStormPropertyDeficiencyNoncurrent_lbl" xml:lang="en">Deferred Storm and Property Reserve Deficiency Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DeferredStormPropertyDeficiencyNoncurrent_lbl" xml:lang="en">Deferred Storm and Property Reserve Deficiency - Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DeferredStormPropertyDeficiencyNoncurrent_lbl" xml:lang="en">Deferred Storm and Property Reserve Deficiency Noncurrent - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DeferredTaxAssetsLiabiliitiesGrossNetAbstract" xlink:label="exc-og_DeferredTaxAssetsLiabiliitiesGrossNetAbstract"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DeferredTaxAssetsLiabiliitiesGrossNetAbstract" xlink:to="exc-og_DeferredTaxAssetsLiabiliitiesGrossNetAbstract_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DeferredTaxAssetsLiabiliitiesGrossNetAbstract_lbl" xml:lang="en">Deferred Tax Assets/Liabilities - Gross to Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DeferredTaxAssetsLiabiliitiesGrossNetAbstract_lbl" xml:lang="en">Deferred Tax Assets/Liabilities - Gross to Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DeferredTaxAssetsLiabiliitiesGrossNetAbstract_lbl" xml:lang="en">Deferred Tax - Gross to Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DeferredTaxAssetsLiabiliitiesGrossNetAbstract_lbl" xml:lang="en">Deferred Tax Assets/Liabilities - Gross to Net - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DeferredTaxLiabilitiesEmplyeeBenefits" xlink:label="exc-og_DeferredTaxLiabilitiesEmplyeeBenefits"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DeferredTaxLiabilitiesEmplyeeBenefits" xlink:to="exc-og_DeferredTaxLiabilitiesEmplyeeBenefits_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DeferredTaxLiabilitiesEmplyeeBenefits_lbl" xml:lang="en">The cumulative amount of future tax effects arising from the employee benefits deductible from taxable income but still not charged against accounting income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DeferredTaxLiabilitiesEmplyeeBenefits_lbl" xml:lang="en">Deferred Tax Liabilities - Employee Benefits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DeferredTaxLiabilitiesEmplyeeBenefits_lbl" xml:lang="en">Employee Benefits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DeferredTaxLiabilitiesEmplyeeBenefits_lbl" xml:lang="en">Deferred Tax Liabilities - Employee Benefits - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DeferredUnearnedCompensation" xlink:label="exc-og_DeferredUnearnedCompensation"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DeferredUnearnedCompensation" xlink:to="exc-og_DeferredUnearnedCompensation_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DeferredUnearnedCompensation_lbl" xml:lang="en">Accumulated unrealized deferred compensation. Component of 'Other Comprehensive Income'.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DeferredUnearnedCompensation_lbl" xml:lang="en">Deferred/(Unearned) Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DeferredUnearnedCompensation_lbl" xml:lang="en">Unearned Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DeferredUnearnedCompensation_lbl" xml:lang="en">Deferred/(Unearned) Compensation - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DeferredUnearnedCompensationAbstract" xlink:label="exc-og_DeferredUnearnedCompensationAbstract"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DeferredUnearnedCompensationAbstract" xlink:to="exc-og_DeferredUnearnedCompensationAbstract_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DeferredUnearnedCompensationAbstract_lbl" xml:lang="en">The cumulative amount for unearned compensation at the end of an accounting period; classified as reporting entity's liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DeferredUnearnedCompensationAbstract_lbl" xml:lang="en">Unearned Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DeferredUnearnedCompensationAbstract_lbl" xml:lang="en">Unearned Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DeferredUnearnedCompensationAbstract_lbl" xml:lang="en">Unearned Compensation - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DeferredUnearnedCompensationOther" xlink:label="exc-og_DeferredUnearnedCompensationOther"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DeferredUnearnedCompensationOther" xlink:to="exc-og_DeferredUnearnedCompensationOther_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DeferredUnearnedCompensationOther_lbl" xml:lang="en">Other accumulated unrealized deferred compensation. Component of 'Other Comprehensive Income' not otherwise defined.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DeferredUnearnedCompensationOther_lbl" xml:lang="en">Other Deferred/(Unearned) Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DeferredUnearnedCompensationOther_lbl" xml:lang="en">Other Unearned Compensation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DeferredUnearnedCompensationOther_lbl" xml:lang="en">Other Deferred/(Unearned) Compensation - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DemandSideManagementProgramCostsNoncurrent" xlink:label="exc-og_DemandSideManagementProgramCostsNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DemandSideManagementProgramCostsNoncurrent" xlink:to="exc-og_DemandSideManagementProgramCostsNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DemandSideManagementProgramCostsNoncurrent_lbl" xml:lang="en">Demand-side management costs - The costs incurred by the utility to achieve the capacity and energy savings from the Demand-Side Management Program. Costs incurred by customers or third parties are to be excluded. The costs are to be reported in thousands of dollars (nominal) in the year in which they are incurred, regardless of when the savings occur. The utility costs are all the annual expenses (labor, administrative, equipment, incentives, marketing, monitoring and evaluation, and other incurred by the utility for operation of the DSM Program), regardless of whether the costs are expensed or capitalized. Lump sum capital costs (typically accrued over several years prior to start up) are not to be reported. Program costs associated with strategic load growth activities are also to be excluded.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DemandSideManagementProgramCostsNoncurrent_lbl" xml:lang="en">Demand Side Management Program Costs - Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DemandSideManagementProgramCostsNoncurrent_lbl" xml:lang="en">Demand Side Management Program Costs - Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DemandSideManagementProgramCostsNoncurrent_lbl" xml:lang="en">Demand Side Management Program Costs - Noncurrent - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_Depletion" xlink:label="exc-og_Depletion"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_Depletion" xlink:to="exc-og_Depletion_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_Depletion_lbl" xml:lang="en">The amount of expense charged against earnings by a company to write off the cost of non-production fixed assets over their useful lives, giving consideration to wear and tear, obsolescence, and salvage value.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_Depletion_lbl" xml:lang="en">Depletion (Non-Production)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_Depletion_lbl" xml:lang="en">Depletion (Non-Production)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_Depletion_lbl" xml:lang="en">Depletion (Non-Production) - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DepositsAssetsNoncurrent" xlink:label="exc-og_DepositsAssetsNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DepositsAssetsNoncurrent" xlink:to="exc-og_DepositsAssetsNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DepositsAssetsNoncurrent_lbl" xml:lang="en">Money transferred into a customer's account at a financial institution</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DepositsAssetsNoncurrent_lbl" xml:lang="en">Deposits Assets Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DepositsAssetsNoncurrent_lbl" xml:lang="en">Deposits Assets Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DepositsAssetsNoncurrent_lbl" xml:lang="en">Deposits Assets Noncurrent - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DepositsLiabilityCurrent" xlink:label="exc-og_DepositsLiabilityCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DepositsLiabilityCurrent" xlink:to="exc-og_DepositsLiabilityCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DepositsLiabilityCurrent_lbl" xml:lang="en">Deposits held other than Customer Deposits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DepositsLiabilityCurrent_lbl" xml:lang="en">Current Deposit Liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DepositsLiabilityCurrent_lbl" xml:lang="en">Current Deposit Liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DepositsLiabilityCurrent_lbl" xml:lang="en">Current Deposit Liability - Total</label>
    <loc xlink:type="locator" xlink:href="http://www.xbrl.org/us/fr/common/pte/2005-02-28/usfr-pte-2005-02-28.xsd#usfr-pte_DepreciationAmortization" xlink:label="usfr-pte_DepreciationAmortization"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="usfr-pte_DepreciationAmortization" xlink:to="usfr-pte_DepreciationAmortization_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="usfr-pte_DepreciationAmortization_lbl" xml:lang="en">The amount of expense charged against earnings by a company to write off the cost of non-production fixed assets over their useful lives, giving consideration to wear and tear, obsolescence, and salvage value and/or the amount of expense charged against earnings by a company to write off the cost of an intangible possession (a non-current asset).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="usfr-pte_DepreciationAmortization_lbl" xml:lang="en">Depreciation and amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="usfr-pte_DepreciationAmortization_lbl" xml:lang="en">Depreciation and amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="usfr-pte_DepreciationAmortization_lbl" xml:lang="en">Depreciation and amortization</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DepreciationAmortizationOther" xlink:label="exc-og_DepreciationAmortizationOther"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DepreciationAmortizationOther" xlink:to="exc-og_DepreciationAmortizationOther_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DepreciationAmortizationOther_lbl" xml:lang="en">Other amounts of expense charged against earnings by a company to write off the cost of non-production fixed assets over their useful lives, giving consideration to wear and tear, obsolescence, and salvage value and/or the amount of expense charged against</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DepreciationAmortizationOther_lbl" xml:lang="en">Other Depreciation and Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DepreciationAmortizationOther_lbl" xml:lang="en">Other Depreciation and Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DepreciationAmortizationOther_lbl" xml:lang="en">Other Depreciation and Amortization - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DepreciationDepletionAmortizationExpense" xlink:label="exc-og_DepreciationDepletionAmortizationExpense"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DepreciationDepletionAmortizationExpense" xlink:to="exc-og_DepreciationDepletionAmortizationExpense_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DepreciationDepletionAmortizationExpense_lbl" xml:lang="en">The amount of expense charged against earnings to write off the cost of fixed assets over their useful lives, giving consideration to wear and tear, obsolescence, and salvage value, the amount of expense charged against earnings to write off the cost of depletable assets, and/or the amount of expense charged against earnings to write off the cost of an intangible possession (a non-current asset).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DepreciationDepletionAmortizationExpense_lbl" xml:lang="en">Depreciation, Depletion, and Amortization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DepreciationDepletionAmortizationExpense_lbl" xml:lang="en">DD&amp;A</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DepreciationDepletionAmortizationExpense_lbl" xml:lang="en">Depreciation, Depletion, and Amortization - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DepreciationDepletionAmortizationImpairmentExpense" xlink:label="exc-og_DepreciationDepletionAmortizationImpairmentExpense"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DepreciationDepletionAmortizationImpairmentExpense" xlink:to="exc-og_DepreciationDepletionAmortizationImpairmentExpense_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DepreciationDepletionAmortizationImpairmentExpense_lbl" xml:lang="en">Depreciation, Depletion, Amortization and Impairment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DepreciationDepletionAmortizationImpairmentExpense_lbl" xml:lang="en">Depreciation, Depletion, Amortization and Impairment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DepreciationDepletionAmortizationImpairmentExpense_lbl" xml:lang="en">DD&amp;A and Impairment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DepreciationDepletionAmortizationImpairmentExpense_lbl" xml:lang="en">Depreciation, Depletion, Amortization and Impairment - Total</label>
    <loc xlink:type="locator" xlink:href="http://www.xbrl.org/us/fr/common/pte/2005-02-28/usfr-pte-2005-02-28.xsd#usfr-pte_DerivativeAssetsCurrent" xlink:label="usfr-pte_DerivativeAssetsCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="usfr-pte_DerivativeAssetsCurrent" xlink:to="usfr-pte_DerivativeAssetsCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="usfr-pte_DerivativeAssetsCurrent_lbl" xml:lang="en">A current financial instrument or contract (options, swaps, futures, etc..) whose value is derived from some other financial measure and includes payment provisions (notional amounts, that is, cash, commodities, shares of stock, etc.).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="usfr-pte_DerivativeAssetsCurrent_lbl" xml:lang="en">Mark-to-market derivative assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="usfr-pte_DerivativeAssetsCurrent_lbl" xml:lang="en">Mark-to-market derivative assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="usfr-pte_DerivativeAssetsCurrent_lbl" xml:lang="en">Mark-to-market derivative assets</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DerivativeAssetsCurrentAffiliates" xlink:label="exc-og_DerivativeAssetsCurrentAffiliates"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DerivativeAssetsCurrentAffiliates" xlink:to="exc-og_DerivativeAssetsCurrentAffiliates_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DerivativeAssetsCurrentAffiliates_lbl" xml:lang="en">A current financial instrument or contract with affiliate (options, swaps, futures, etc..) whose value is derived from some other financial measure and includes payment provisions (notional amounts, that is, cash, commodities, etc.) with affiliate.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DerivativeAssetsCurrentAffiliates_lbl" xml:lang="en">Derivative Assets with Affiliates - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DerivativeAssetsCurrentAffiliates_lbl" xml:lang="en">Derivative Assets with Affiliates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DerivativeAssetsCurrentAffiliates_lbl" xml:lang="en">Derivative Assets with Affiliates - Current - Total</label>
    <loc xlink:type="locator" xlink:href="http://www.xbrl.org/us/fr/common/pte/2005-02-28/usfr-pte-2005-02-28.xsd#usfr-pte_DerivativeAssetsNoncurrent" xlink:label="usfr-pte_DerivativeAssetsNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="usfr-pte_DerivativeAssetsNoncurrent" xlink:to="usfr-pte_DerivativeAssetsNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="usfr-pte_DerivativeAssetsNoncurrent_lbl" xml:lang="en">A financial instrument or contract (options, swaps, futures, etc..) whose value is derived from some other financial measure and includes payment provisions (notional amounts, that is, cash, commodities, shares of stock, etc.).  This includes fair value hedges, cash flow hedges, foreign currency hedges, commodities, etc...This excludes items classified as marketable securities and short-term investments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="usfr-pte_DerivativeAssetsNoncurrent_lbl" xml:lang="en">Mark-to-market derivative assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="usfr-pte_DerivativeAssetsNoncurrent_lbl" xml:lang="en">Mark-to-market derivative assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="usfr-pte_DerivativeAssetsNoncurrent_lbl" xml:lang="en">Mark-to-market derivative assets</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DerivativeAssetsNoncurrentAffiliates" xlink:label="exc-og_DerivativeAssetsNoncurrentAffiliates"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DerivativeAssetsNoncurrentAffiliates" xlink:to="exc-og_DerivativeAssetsNoncurrentAffiliates_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DerivativeAssetsNoncurrentAffiliates_lbl" xml:lang="en">A financial instrument or contract (options, swaps, futures, etc..) whose value is derived from some other financial measure and includes payment provisions (notional amounts, that is, cash, commodities, etc.) with affiliate.  This includes fair value hedges, cash flow hedges, foreign currency hedges, commodities, etc...This excludes items classified as marketable securities and short-term investments.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DerivativeAssetsNoncurrentAffiliates_lbl" xml:lang="en">Derivative Assets with Affiliates - Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DerivativeAssetsNoncurrentAffiliates_lbl" xml:lang="en">Derivative Assets with Affiliates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DerivativeAssetsNoncurrentAffiliates_lbl" xml:lang="en">Derivative Assets with Affiliates - Noncurrent - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DerivativeLiabilitiesAffiliatesCurrent" xlink:label="exc-og_DerivativeLiabilitiesAffiliatesCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DerivativeLiabilitiesAffiliatesCurrent" xlink:to="exc-og_DerivativeLiabilitiesAffiliatesCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DerivativeLiabilitiesAffiliatesCurrent_lbl" xml:lang="en">Financial instruments with affiliates under contracts that have one or more underlying and one or more notional amounts.  SFAS 133 requires that derivatives be recognized as assets or liabilities on the balance sheet at fair values.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DerivativeLiabilitiesAffiliatesCurrent_lbl" xml:lang="en">Derivative Liabilities with Affiliates - Short Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DerivativeLiabilitiesAffiliatesCurrent_lbl" xml:lang="en">Derivative Liabilities with Affiliates - Short Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DerivativeLiabilitiesAffiliatesCurrent_lbl" xml:lang="en">Derivative Liabilities with Affiliates - Short Term - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DerivativeLiabilitiesAffiliatesLongTerm" xlink:label="exc-og_DerivativeLiabilitiesAffiliatesLongTerm"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DerivativeLiabilitiesAffiliatesLongTerm" xlink:to="exc-og_DerivativeLiabilitiesAffiliatesLongTerm_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DerivativeLiabilitiesAffiliatesLongTerm_lbl" xml:lang="en">Financial instruments with affiliates under contracts that have one or more underlying and one or more notional amounts.  SFAS 133 requires that derivatives be recognized as assets or liabilities on the balance sheet at fair values.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DerivativeLiabilitiesAffiliatesLongTerm_lbl" xml:lang="en">Derivative Liabilities with Affiliates - Long Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DerivativeLiabilitiesAffiliatesLongTerm_lbl" xml:lang="en">Derivative Liabilities with Affiliates - Long Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DerivativeLiabilitiesAffiliatesLongTerm_lbl" xml:lang="en">Derivative Liabilities with Affiliates - Long Term - Total</label>
    <loc xlink:type="locator" xlink:href="http://www.xbrl.org/us/fr/common/pte/2005-02-28/usfr-pte-2005-02-28.xsd#usfr-pte_DerivativeLiabilitiesLongTerm" xlink:label="usfr-pte_DerivativeLiabilitiesLongTerm"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="usfr-pte_DerivativeLiabilitiesLongTerm" xlink:to="usfr-pte_DerivativeLiabilitiesLongTerm_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="usfr-pte_DerivativeLiabilitiesLongTerm_lbl" xml:lang="en">Financial instruments under contracts that have one or more underlying and one or more notional amounts.  SFAS 133 requires that derivatives be recognized as assets or liabilities on the balance sheet at fair values.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="usfr-pte_DerivativeLiabilitiesLongTerm_lbl" xml:lang="en">Mark-to-market derivative liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="usfr-pte_DerivativeLiabilitiesLongTerm_lbl" xml:lang="en">Mark-to-market derivative liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="usfr-pte_DerivativeLiabilitiesLongTerm_lbl" xml:lang="en">Mark-to-market derivative liabilities</label>
    <loc xlink:type="locator" xlink:href="http://www.xbrl.org/us/fr/common/pte/2005-02-28/usfr-pte-2005-02-28.xsd#usfr-pte_DerivativeLiabilitiesShortTerm" xlink:label="usfr-pte_DerivativeLiabilitiesShortTerm"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="usfr-pte_DerivativeLiabilitiesShortTerm" xlink:to="usfr-pte_DerivativeLiabilitiesShortTerm_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="usfr-pte_DerivativeLiabilitiesShortTerm_lbl" xml:lang="en">Financial instruments under contracts that have one or more underlying and one or more notional amounts.  SFAS 133 requires that derivatives be recognized as assets or liabilities on the balance sheet at fair values.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="usfr-pte_DerivativeLiabilitiesShortTerm_lbl" xml:lang="en">Mark-to-market derivative liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="usfr-pte_DerivativeLiabilitiesShortTerm_lbl" xml:lang="en">Mark-to-market derivative liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="usfr-pte_DerivativeLiabilitiesShortTerm_lbl" xml:lang="en">Mark-to-market derivative liabilities</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DerivativesHedgingNetGainHedgedCommitmentNoLongerQualifiesAsFairValueHedge" xlink:label="exc-og_DerivativesHedgingNetGainHedgedCommitmentNoLongerQualifiesAsFairValueHedge"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DerivativesHedgingNetGainHedgedCommitmentNoLongerQualifiesAsFairValueHedge" xlink:to="exc-og_DerivativesHedgingNetGainHedgedCommitmentNoLongerQualifiesAsFairValueHedge_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DerivativesHedgingNetGainHedgedCommitmentNoLongerQualifiesAsFairValueHedge_lbl" xml:lang="en">The amount of net gain recognized in earnings when a hedged firm commitment no longer qualifies as a fair value hedge.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DerivativesHedgingNetGainHedgedCommitmentNoLongerQualifiesAsFairValueHedge_lbl" xml:lang="en">Derivatives and Hedging - Net Gain - Hedged Commitment No Longer Qualifies as Fair Value Hedge</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DerivativesHedgingNetGainHedgedCommitmentNoLongerQualifiesAsFairValueHedge_lbl" xml:lang="en">Net Gain - Hedged Commitment No Longer Qualifies as Fair Value Hedge</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DerivativesHedgingNetGainHedgedCommitmentNoLongerQualifiesAsFairValueHedge_lbl" xml:lang="en">Derivatives and Hedging - Net Gain - Hedged Commitment No Longer Qualifies as Fair Value Hedge - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DerivativesHedgingNetGainOnCashFlowHedgeIneffectiveness" xlink:label="exc-og_DerivativesHedgingNetGainOnCashFlowHedgeIneffectiveness"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DerivativesHedgingNetGainOnCashFlowHedgeIneffectiveness" xlink:to="exc-og_DerivativesHedgingNetGainOnCashFlowHedgeIneffectiveness_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DerivativesHedgingNetGainOnCashFlowHedgeIneffectiveness_lbl" xml:lang="en">The net gain recognized in earnings during the reporting period due to the cash flow hedges' ineffectiveness.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DerivativesHedgingNetGainOnCashFlowHedgeIneffectiveness_lbl" xml:lang="en">Derivatives and Hedging - Net Gain on Cash Flow Hedge Ineffectiveness</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DerivativesHedgingNetGainOnCashFlowHedgeIneffectiveness_lbl" xml:lang="en">Net Gain on Cash Flow Hedge Ineffectiveness</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DerivativesHedgingNetGainOnCashFlowHedgeIneffectiveness_lbl" xml:lang="en">Derivatives and Hedging - Net Gain on Cash Flow Hedge Ineffectiveness - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DerivativesHedgingNetGainOnFairValueHedgeIneffectiveness" xlink:label="exc-og_DerivativesHedgingNetGainOnFairValueHedgeIneffectiveness"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DerivativesHedgingNetGainOnFairValueHedgeIneffectiveness" xlink:to="exc-og_DerivativesHedgingNetGainOnFairValueHedgeIneffectiveness_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DerivativesHedgingNetGainOnFairValueHedgeIneffectiveness_lbl" xml:lang="en">The net gain recognized in earnings during the reporting period representing due to fair value hedges' ineffectiveness.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DerivativesHedgingNetGainOnFairValueHedgeIneffectiveness_lbl" xml:lang="en">Derivatives and Hedging - Net Gain on Fair Value Hedge Ineffectiveness</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DerivativesHedgingNetGainOnFairValueHedgeIneffectiveness_lbl" xml:lang="en">Net Gain on Fair Value Hedge Ineffectiveness</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DerivativesHedgingNetGainOnFairValueHedgeIneffectiveness_lbl" xml:lang="en">Derivatives and Hedging - Net Gain on Fair Value Hedge Ineffectiveness - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DerivativesHedgingNetGainReclassifiedWithDiscontinuanceCashFlowHedge" xlink:label="exc-og_DerivativesHedgingNetGainReclassifiedWithDiscontinuanceCashFlowHedge"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DerivativesHedgingNetGainReclassifiedWithDiscontinuanceCashFlowHedge" xlink:to="exc-og_DerivativesHedgingNetGainReclassifiedWithDiscontinuanceCashFlowHedge_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DerivativesHedgingNetGainReclassifiedWithDiscontinuanceCashFlowHedge_lbl" xml:lang="en">The amount of net gain reclassified into earnings when cash flow hedge is discontinued.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DerivativesHedgingNetGainReclassifiedWithDiscontinuanceCashFlowHedge_lbl" xml:lang="en">Derivatives and Hedging - Net Gain - Reclassified with Discontinuance of Cash Flow Hedge</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DerivativesHedgingNetGainReclassifiedWithDiscontinuanceCashFlowHedge_lbl" xml:lang="en">Net Gain - Reclassified with Discontinuance of Cash Flow Hedge</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DerivativesHedgingNetGainReclassifiedWithDiscontinuanceCashFlowHedge_lbl" xml:lang="en">Derivatives and Hedging - Net Gain - Reclassified with Discontinuance of Cash Flow Hedge - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DerivativesHedgingNetLossHedgedCommitmentNoLongerQualifiesAsFairValueHedge" xlink:label="exc-og_DerivativesHedgingNetLossHedgedCommitmentNoLongerQualifiesAsFairValueHedge"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DerivativesHedgingNetLossHedgedCommitmentNoLongerQualifiesAsFairValueHedge" xlink:to="exc-og_DerivativesHedgingNetLossHedgedCommitmentNoLongerQualifiesAsFairValueHedge_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DerivativesHedgingNetLossHedgedCommitmentNoLongerQualifiesAsFairValueHedge_lbl" xml:lang="en">The amount of net loss recognized in earnings when a hedged firm commitment no longer qualifies as a fair value hedge.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DerivativesHedgingNetLossHedgedCommitmentNoLongerQualifiesAsFairValueHedge_lbl" xml:lang="en">Derivatives and Hedging - Net Loss - Hedged Commitment No Longer Qualifies as Fair Value Hedge</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DerivativesHedgingNetLossHedgedCommitmentNoLongerQualifiesAsFairValueHedge_lbl" xml:lang="en">Net Loss - Hedged Commitment No Longer Qualifies as Fair Value Hedge</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DerivativesHedgingNetLossHedgedCommitmentNoLongerQualifiesAsFairValueHedge_lbl" xml:lang="en">Derivatives and Hedging - Net Loss - Hedged Commitment No Longer Qualifies as Fair Value Hedge - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DerivativesHedgingNetLossOnCashFlowHedgeIneffectiveness" xlink:label="exc-og_DerivativesHedgingNetLossOnCashFlowHedgeIneffectiveness"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DerivativesHedgingNetLossOnCashFlowHedgeIneffectiveness" xlink:to="exc-og_DerivativesHedgingNetLossOnCashFlowHedgeIneffectiveness_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DerivativesHedgingNetLossOnCashFlowHedgeIneffectiveness_lbl" xml:lang="en">The net loss recognized in earnings during the reporting period due to the cash flow hedges' ineffectiveness.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DerivativesHedgingNetLossOnCashFlowHedgeIneffectiveness_lbl" xml:lang="en">Derivatives and Hedging - Net Loss on Cash Flow Hedge Ineffectiveness</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DerivativesHedgingNetLossOnCashFlowHedgeIneffectiveness_lbl" xml:lang="en">Net Loss on Cash Flow Hedge Ineffectiveness</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DerivativesHedgingNetLossOnCashFlowHedgeIneffectiveness_lbl" xml:lang="en">Derivatives and Hedging - Net Loss on Cash Flow Hedge Ineffectiveness - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DerivativesHedgingNetLossOnFairValueHedgeIneffectiveness" xlink:label="exc-og_DerivativesHedgingNetLossOnFairValueHedgeIneffectiveness"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DerivativesHedgingNetLossOnFairValueHedgeIneffectiveness" xlink:to="exc-og_DerivativesHedgingNetLossOnFairValueHedgeIneffectiveness_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DerivativesHedgingNetLossOnFairValueHedgeIneffectiveness_lbl" xml:lang="en">The net loss recognized in earnings during the reporting period due to the fair value hedges' ineffectiveness.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DerivativesHedgingNetLossOnFairValueHedgeIneffectiveness_lbl" xml:lang="en">Derivatives and Hedging - Net Loss on Fair Value Hedge Ineffectiveness</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DerivativesHedgingNetLossOnFairValueHedgeIneffectiveness_lbl" xml:lang="en">Net Loss on Fair Value Hedge Ineffectiveness</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DerivativesHedgingNetLossOnFairValueHedgeIneffectiveness_lbl" xml:lang="en">Derivatives and Hedging - Net Loss on Fair Value Hedge Ineffectiveness - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DerivativesHedgingNetLossReclassifiedWithDiscontinuanceCashFlowHedge" xlink:label="exc-og_DerivativesHedgingNetLossReclassifiedWithDiscontinuanceCashFlowHedge"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DerivativesHedgingNetLossReclassifiedWithDiscontinuanceCashFlowHedge" xlink:to="exc-og_DerivativesHedgingNetLossReclassifiedWithDiscontinuanceCashFlowHedge_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DerivativesHedgingNetLossReclassifiedWithDiscontinuanceCashFlowHedge_lbl" xml:lang="en">The amount of net loss reclassified into earnings when cash flow hedge is discontinued.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DerivativesHedgingNetLossReclassifiedWithDiscontinuanceCashFlowHedge_lbl" xml:lang="en">Derivatives and Hedging - Net Loss - Reclassified with Discontinuance of Cash Flow Hedge</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DerivativesHedgingNetLossReclassifiedWithDiscontinuanceCashFlowHedge_lbl" xml:lang="en">Net Loss - Reclassified with Discontinuance of Cash Flow Hedge</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DerivativesHedgingNetLossReclassifiedWithDiscontinuanceCashFlowHedge_lbl" xml:lang="en">Derivatives and Hedging - Net Loss - Reclassified with Discontinuance of Cash Flow Hedge - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DetailsofGuaranteesofIndebtednesstoOthers" xlink:label="exc-og_DetailsofGuaranteesofIndebtednesstoOthers"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DetailsofGuaranteesofIndebtednesstoOthers" xlink:to="exc-og_DetailsofGuaranteesofIndebtednesstoOthers_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DetailsofGuaranteesofIndebtednesstoOthers_lbl" xml:lang="en">This includes the amount of guarantees, a general description of the types of obligations guaranteed, the amount of exposure, the amounts and bases of any provisions for losses, and the amount charged to expense for any provisions on the guaranteed indebtedness.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DetailsofGuaranteesofIndebtednesstoOthers_lbl" xml:lang="en">Details of Guarantees of Indebtedness to Others</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DetailsofGuaranteesofIndebtednesstoOthers_lbl" xml:lang="en">Details of Guarantees of Indebtedness to Others</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DetailsofGuaranteesofIndebtednesstoOthers_lbl" xml:lang="en">Details of Guarantees of Indebtedness to Others - Total</label>
    <loc xlink:type="locator" xlink:href="http://www.xbrl.org/us/fr/common/pte/2005-02-28/usfr-pte-2005-02-28.xsd#usfr-pte_DilutedEarningsPerShareNetIncome" xlink:label="usfr-pte_DilutedEarningsPerShareNetIncome"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="usfr-pte_DilutedEarningsPerShareNetIncome" xlink:to="usfr-pte_DilutedEarningsPerShareNetIncome_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="usfr-pte_DilutedEarningsPerShareNetIncome_lbl" xml:lang="en">Earnings (net income) per Diluted Share.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="usfr-pte_DilutedEarningsPerShareNetIncome_lbl" xml:lang="en">Net income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="usfr-pte_DilutedEarningsPerShareNetIncome_lbl" xml:lang="en">Net income</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="usfr-pte_DilutedEarningsPerShareNetIncome_lbl" xml:lang="en">Net income</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DilutedEarningsPerShareNetIncomeAdjustment" xlink:label="exc-og_DilutedEarningsPerShareNetIncomeAdjustment"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DilutedEarningsPerShareNetIncomeAdjustment" xlink:to="exc-og_DilutedEarningsPerShareNetIncomeAdjustment_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DilutedEarningsPerShareNetIncomeAdjustment_lbl" xml:lang="en">Adjustment to Diluted earnings (net income) per Outstanding Share.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DilutedEarningsPerShareNetIncomeAdjustment_lbl" xml:lang="en">Diluted Earnings Per Share Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DilutedEarningsPerShareNetIncomeAdjustment_lbl" xml:lang="en">Diluted Earnings Per Share Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DilutedEarningsPerShareNetIncomeAdjustment_lbl" xml:lang="en">Diluted Earnings Per Share Adjustment - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DilutedEarningsPerShareNetIncomeBeforeAdjustment" xlink:label="exc-og_DilutedEarningsPerShareNetIncomeBeforeAdjustment"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DilutedEarningsPerShareNetIncomeBeforeAdjustment" xlink:to="exc-og_DilutedEarningsPerShareNetIncomeBeforeAdjustment_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DilutedEarningsPerShareNetIncomeBeforeAdjustment_lbl" xml:lang="en">Diluted earnings (net income) per Outstanding Share Before Adjustment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DilutedEarningsPerShareNetIncomeBeforeAdjustment_lbl" xml:lang="en">Diluted Earnings Per Share Before Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DilutedEarningsPerShareNetIncomeBeforeAdjustment_lbl" xml:lang="en">Diluted Earnings Per Share Before Adjustment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DilutedEarningsPerShareNetIncomeBeforeAdjustment_lbl" xml:lang="en">Diluted Earnings Per Share Before Adjustment - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DilutedEarningsPerShareProForma" xlink:label="exc-og_DilutedEarningsPerShareProForma"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DilutedEarningsPerShareProForma" xlink:to="exc-og_DilutedEarningsPerShareProForma_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DilutedEarningsPerShareProForma_lbl" xml:lang="en">ProForma Diluted Earnings Per Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DilutedEarningsPerShareProForma_lbl" xml:lang="en">Diluted Earnings Per Share Pro Forma</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DilutedEarningsPerShareProForma_lbl" xml:lang="en">Diluted Earnings Per Share Pro Forma</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DilutedEarningsPerShareProForma_lbl" xml:lang="en">Diluted Earnings Per Share Pro Forma - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DilutedPerShareGeneralPartnersDistributions" xlink:label="exc-og_DilutedPerShareGeneralPartnersDistributions"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DilutedPerShareGeneralPartnersDistributions" xlink:to="exc-og_DilutedPerShareGeneralPartnersDistributions_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DilutedPerShareGeneralPartnersDistributions_lbl" xml:lang="en">Diluted Per Share Distributions from earnings to members of a partnership.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DilutedPerShareGeneralPartnersDistributions_lbl" xml:lang="en">Diluted Per Share Distributions from earnings to members of a partnership.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DilutedPerShareGeneralPartnersDistributions_lbl" xml:lang="en">Diluted Per Share Distributions from earnings to members of a partnership.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DilutedPerShareGeneralPartnersDistributions_lbl" xml:lang="en">Diluted Per Share Distributions from earnings to members of a partnership. - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DilutedPerSharePreferredStockDividends" xlink:label="exc-og_DilutedPerSharePreferredStockDividends"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DilutedPerSharePreferredStockDividends" xlink:to="exc-og_DilutedPerSharePreferredStockDividends_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DilutedPerSharePreferredStockDividends_lbl" xml:lang="en">Diluted Per Share Dividends paid to preferred shareholders.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DilutedPerSharePreferredStockDividends_lbl" xml:lang="en">Diluted Per Share Dividends paid to preferred shareholders.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DilutedPerSharePreferredStockDividends_lbl" xml:lang="en">Diluted Per Share Dividends paid to preferred shareholders.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DilutedPerSharePreferredStockDividends_lbl" xml:lang="en">Diluted Per Share Dividends paid to preferred shareholders. - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DiscontinuedOperationsCashUsedFinancingActivities" xlink:label="exc-og_DiscontinuedOperationsCashUsedFinancingActivities"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DiscontinuedOperationsCashUsedFinancingActivities" xlink:to="exc-og_DiscontinuedOperationsCashUsedFinancingActivities_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DiscontinuedOperationsCashUsedFinancingActivities_lbl" xml:lang="en">Discontinued operations cash used In financing activities; shall be classified as cash flows from Discontinued Operations when presented outside of operating, iinvesting or financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DiscontinuedOperationsCashUsedFinancingActivities_lbl" xml:lang="en">Discontinued Operations Cash Used In Financing Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DiscontinuedOperationsCashUsedFinancingActivities_lbl" xml:lang="en">Discontinued Operations Cash Used In Financing Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DiscontinuedOperationsCashUsedFinancingActivities_lbl" xml:lang="en">Discontinued Operations Cash Used In Financing Activities - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DiscontinuedOperationsCashUsedInvestingActivities" xlink:label="exc-og_DiscontinuedOperationsCashUsedInvestingActivities"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DiscontinuedOperationsCashUsedInvestingActivities" xlink:to="exc-og_DiscontinuedOperationsCashUsedInvestingActivities_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DiscontinuedOperationsCashUsedInvestingActivities_lbl" xml:lang="en">Discontinued operations cash used in investing activities; shall be classified as cash flows from Discontinued Operations when presented outside of operating, investing or financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DiscontinuedOperationsCashUsedInvestingActivities_lbl" xml:lang="en">Discontinued Operations Cash Used In Investing Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DiscontinuedOperationsCashUsedInvestingActivities_lbl" xml:lang="en">Discontinued Operations Cash Used In Investing Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DiscontinuedOperationsCashUsedInvestingActivities_lbl" xml:lang="en">Discontinued Operations Cash Used In Investing Activities - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DiscontinuedOperationsCashUsedOperatingActivities" xlink:label="exc-og_DiscontinuedOperationsCashUsedOperatingActivities"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DiscontinuedOperationsCashUsedOperatingActivities" xlink:to="exc-og_DiscontinuedOperationsCashUsedOperatingActivities_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DiscontinuedOperationsCashUsedOperatingActivities_lbl" xml:lang="en">Discontinued operations cash used in operating activities; shall be classified as cash flows from Discontinued Operations when presented outside of operating, investing or financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DiscontinuedOperationsCashUsedOperatingActivities_lbl" xml:lang="en">Discontinued Operations Cash Used In Operating Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DiscontinuedOperationsCashUsedOperatingActivities_lbl" xml:lang="en">Discontinued Operations Cash Used In Operating Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DiscontinuedOperationsCashUsedOperatingActivities_lbl" xml:lang="en">Discontinued Operations Cash Used In Operating Activities - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DiscontinuedOperationsEffectOnOperationsDiscontinuedOperationSubsequentlyRetained" xlink:label="exc-og_DiscontinuedOperationsEffectOnOperationsDiscontinuedOperationSubsequentlyRetained"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DiscontinuedOperationsEffectOnOperationsDiscontinuedOperationSubsequentlyRetained" xlink:to="exc-og_DiscontinuedOperationsEffectOnOperationsDiscontinuedOperationSubsequentlyRetained_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DiscontinuedOperationsEffectOnOperationsDiscontinuedOperationSubsequentlyRetained_lbl" xml:lang="en">A description of the effect on the results of discontinued operations if subsequently retained.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DiscontinuedOperationsEffectOnOperationsDiscontinuedOperationSubsequentlyRetained_lbl" xml:lang="en">Discontinued Operations - Effect on Operations of Discontinued Operation Subsequently Retained</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DiscontinuedOperationsEffectOnOperationsDiscontinuedOperationSubsequentlyRetained_lbl" xml:lang="en">Effect on Operations of Discontinued Operation Subsequently Retained</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DiscontinuedOperationsEffectOnOperationsDiscontinuedOperationSubsequentlyRetained_lbl" xml:lang="en">Discontinued Operations - Effect on Operations of Discontinued Operation Subsequently Retained - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DismantlementReserve" xlink:label="exc-og_DismantlementReserve"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DismantlementReserve" xlink:to="exc-og_DismantlementReserve_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DismantlementReserve_lbl" xml:lang="en">Known and estimated reserve for dismantlement costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DismantlementReserve_lbl" xml:lang="en">Dismantlement Reserve</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DismantlementReserve_lbl" xml:lang="en">Dismantlement Reserve</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DismantlementReserve_lbl" xml:lang="en">Dismantlement Reserve - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DistributionsToAffiliates" xlink:label="exc-og_DistributionsToAffiliates"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DistributionsToAffiliates" xlink:to="exc-og_DistributionsToAffiliates_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DistributionsToAffiliates_lbl" xml:lang="en">Distributions to Affiliates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DistributionsToAffiliates_lbl" xml:lang="en">Distributions to Affiliates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DistributionsToAffiliates_lbl" xml:lang="en">Distributions to Affiliates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DistributionsToAffiliates_lbl" xml:lang="en">Distributions to Affiliates - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DistributionsToMember" xlink:label="exc-og_DistributionsToMember"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DistributionsToMember" xlink:to="exc-og_DistributionsToMember_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DistributionsToMember_lbl" xml:lang="en">Distribution to member</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DistributionsToMember_lbl" xml:lang="en">Distribution to member</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DistributionsToMember_lbl" xml:lang="en">Distribution to member</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DistributionsToMember_lbl" xml:lang="en">Distribution to member - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DistributionToMemberMembersEquity" xlink:label="exc-og_DistributionToMemberMembersEquity"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DistributionToMemberMembersEquity" xlink:to="exc-og_DistributionToMemberMembersEquity_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DistributionToMemberMembersEquity_lbl" xml:lang="en">Distribution to member - Total Member's Equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DistributionToMemberMembersEquity_lbl" xml:lang="en">Distribution to member - Total Member's Equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DistributionToMemberMembersEquity_lbl" xml:lang="en">Distribution to member - Total Member's Equity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DistributionToMemberMembersEquity_lbl" xml:lang="en">Distribution to member - Total Member's Equity - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DistributionToMemberMembershipInterest" xlink:label="exc-og_DistributionToMemberMembershipInterest"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DistributionToMemberMembershipInterest" xlink:to="exc-og_DistributionToMemberMembershipInterest_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DistributionToMemberMembershipInterest_lbl" xml:lang="en">Distribution to member - Membership Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DistributionToMemberMembershipInterest_lbl" xml:lang="en">Distribution to member - Membership Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DistributionToMemberMembershipInterest_lbl" xml:lang="en">Distribution to member - Membership Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DistributionToMemberMembershipInterest_lbl" xml:lang="en">Distribution to member - Membership Interest - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DistributionToMemberUndistributedEarnings" xlink:label="exc-og_DistributionToMemberUndistributedEarnings"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DistributionToMemberUndistributedEarnings" xlink:to="exc-og_DistributionToMemberUndistributedEarnings_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DistributionToMemberUndistributedEarnings_lbl" xml:lang="en">Distribution to member - Undistributed Earnings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DistributionToMemberUndistributedEarnings_lbl" xml:lang="en">Distribution to member - Undistributed Earnings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DistributionToMemberUndistributedEarnings_lbl" xml:lang="en">Distribution to member - Undistributed Earnings</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DistributionToMemberUndistributedEarnings_lbl" xml:lang="en">Distribution to member - Undistributed Earnings - Total</label>
    <loc xlink:type="locator" xlink:href="http://www.xbrl.org/us/fr/common/pte/2005-02-28/usfr-pte-2005-02-28.xsd#usfr-pte_DividendsCommonPreferredStock" xlink:label="usfr-pte_DividendsCommonPreferredStock"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="usfr-pte_DividendsCommonPreferredStock" xlink:to="usfr-pte_DividendsCommonPreferredStock_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="usfr-pte_DividendsCommonPreferredStock_lbl" xml:lang="en">Payments of dividends to common and preferred stockholders.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="usfr-pte_DividendsCommonPreferredStock_lbl" xml:lang="en">Dividends paid on common stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="usfr-pte_DividendsCommonPreferredStock_lbl" xml:lang="en">Dividends paid on common stock</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="usfr-pte_DividendsCommonPreferredStock_lbl" xml:lang="en">Dividends paid on common stock</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DividendsInterestPayable" xlink:label="exc-og_DividendsInterestPayable"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DividendsInterestPayable" xlink:to="exc-og_DividendsInterestPayable_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DividendsInterestPayable_lbl" xml:lang="en">Unpaid obligation of the distributions to shareholders and interest payments to creditors.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DividendsInterestPayable_lbl" xml:lang="en">Dividends and Interest Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DividendsInterestPayable_lbl" xml:lang="en">Dividends and Interest Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DividendsInterestPayable_lbl" xml:lang="en">Dividends and Interest Payable - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DividendsTrustPreferredSecurities" xlink:label="exc-og_DividendsTrustPreferredSecurities"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DividendsTrustPreferredSecurities" xlink:to="exc-og_DividendsTrustPreferredSecurities_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DividendsTrustPreferredSecurities_lbl" xml:lang="en">Dividends on Trust Preferred Securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DividendsTrustPreferredSecurities_lbl" xml:lang="en">Dividends on Trust Preferred Securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DividendsTrustPreferredSecurities_lbl" xml:lang="en">Dividends on Trust Preferred Securities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DividendsTrustPreferredSecurities_lbl" xml:lang="en">Dividends on Trust Preferred Securities - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_DownsingSeveranceExpense" xlink:label="exc-og_DownsingSeveranceExpense"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_DownsingSeveranceExpense" xlink:to="exc-og_DownsingSeveranceExpense_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_DownsingSeveranceExpense_lbl" xml:lang="en">Expenditure related to downsizing and severance expenses. Also known as force reduction.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_DownsingSeveranceExpense_lbl" xml:lang="en">Downsizing and Severance Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_DownsingSeveranceExpense_lbl" xml:lang="en">Downsizing and Severance Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_DownsingSeveranceExpense_lbl" xml:lang="en">Downsizing and Severance Expenses - Total</label>
    <loc xlink:type="locator" xlink:href="http://www.xbrl.org/us/fr/common/pte/2005-02-28/usfr-pte-2005-02-28.xsd#usfr-pte_EarningsLossesEquityInvestments" xlink:label="usfr-pte_EarningsLossesEquityInvestments"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="usfr-pte_EarningsLossesEquityInvestments" xlink:to="usfr-pte_EarningsLossesEquityInvestments_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="usfr-pte_EarningsLossesEquityInvestments_lbl" xml:lang="en">The aggregate income earned from investments in equity securities; include dividends income and/or reporting entity's share of investee's earned income adjusted for dividends distributed during an accounting period if reporting entity has significant influence (ownership &amp;gt; 20%) over investee and equity method is used to account for such investment.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="usfr-pte_EarningsLossesEquityInvestments_lbl" xml:lang="en">Equity in losses of unconsolidated affiliates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="usfr-pte_EarningsLossesEquityInvestments_lbl" xml:lang="en">Equity in losses of unconsolidated affiliates</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="usfr-pte_EarningsLossesEquityInvestments_lbl" xml:lang="en">Equity in losses of unconsolidated affiliates</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_EffectExchangeRateOnCashCashEquivalentsContinuingOperations" xlink:label="exc-og_EffectExchangeRateOnCashCashEquivalentsContinuingOperations"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_EffectExchangeRateOnCashCashEquivalentsContinuingOperations" xlink:to="exc-og_EffectExchangeRateOnCashCashEquivalentsContinuingOperations_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_EffectExchangeRateOnCashCashEquivalentsContinuingOperations_lbl" xml:lang="en">The effect of exchange rate changes on cash balances in continuing operations held in foreign currencies.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_EffectExchangeRateOnCashCashEquivalentsContinuingOperations_lbl" xml:lang="en">Effect of Exchange Rate on Cash and Cash Equivalents on Continuing Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_EffectExchangeRateOnCashCashEquivalentsContinuingOperations_lbl" xml:lang="en">Effect of Exchange Rate on Cash and Cash Equivalents On Continuing Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_EffectExchangeRateOnCashCashEquivalentsContinuingOperations_lbl" xml:lang="en">Effect of Exchange Rate on Cash and Cash Equivalents on Continuing Operations - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_EffectExchangeRateOnCashCashEquivalentsDiscontinuingOperations" xlink:label="exc-og_EffectExchangeRateOnCashCashEquivalentsDiscontinuingOperations"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_EffectExchangeRateOnCashCashEquivalentsDiscontinuingOperations" xlink:to="exc-og_EffectExchangeRateOnCashCashEquivalentsDiscontinuingOperations_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_EffectExchangeRateOnCashCashEquivalentsDiscontinuingOperations_lbl" xml:lang="en">The effect of exchange rate changes on cash balances in discontinued operations held in foreign currencies.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_EffectExchangeRateOnCashCashEquivalentsDiscontinuingOperations_lbl" xml:lang="en">Effect of Exchange Rate on Cash and Cash Equivalents on Discontinuing Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_EffectExchangeRateOnCashCashEquivalentsDiscontinuingOperations_lbl" xml:lang="en">Effect of Exchange Rate on Cash and Cash Equivalents On Discontinuing Operations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_EffectExchangeRateOnCashCashEquivalentsDiscontinuingOperations_lbl" xml:lang="en">Effect of Exchange Rate on Cash and Cash Equivalents on Discontinuing Operations - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ElectricalDistribution" xlink:label="exc-og_ElectricalDistribution"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ElectricalDistribution" xlink:to="exc-og_ElectricalDistribution_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ElectricalDistribution_lbl" xml:lang="en">Gross fixed assets for electrical distribution, which is the delivery of electricity to a retail customers home or business through distribution wires or facilities of regulated public utilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ElectricalDistribution_lbl" xml:lang="en">Electrical Distribution</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ElectricalDistribution_lbl" xml:lang="en">Electrical Distribution</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ElectricalDistribution_lbl" xml:lang="en">Electrical Distribution - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ElectricalGeneration" xlink:label="exc-og_ElectricalGeneration"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ElectricalGeneration" xlink:to="exc-og_ElectricalGeneration_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ElectricalGeneration_lbl" xml:lang="en">Generation is the process of producing electric energy by transforming other forms of energy; also, the amount of electric energy produced, expressed in kilowatt hours. Also known as Production</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ElectricalGeneration_lbl" xml:lang="en">Electrical Generation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ElectricalGeneration_lbl" xml:lang="en">Electrical Generation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ElectricalGeneration_lbl" xml:lang="en">Electrical Generation - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ElectricalTransmission" xlink:label="exc-og_ElectricalTransmission"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ElectricalTransmission" xlink:to="exc-og_ElectricalTransmission_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ElectricalTransmission_lbl" xml:lang="en">Gross fixed assets for electrical transmission of the bulk transport of high voltage power, typically over longer distances, between generating plants and distribution systems.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ElectricalTransmission_lbl" xml:lang="en">Electrical Transmission</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ElectricalTransmission_lbl" xml:lang="en">Electrical Transmission</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ElectricalTransmission_lbl" xml:lang="en">Electrical Transmission - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ElectricalTransmissionDistribution" xlink:label="exc-og_ElectricalTransmissionDistribution"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ElectricalTransmissionDistribution" xlink:to="exc-og_ElectricalTransmissionDistribution_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ElectricalTransmissionDistribution_lbl" xml:lang="en">Gross fixed assets for electrical transmission of the bulk transport of high voltage power, typically over longer distances, between generating plants and distribution systems and distribution, which is the delivery of electricity to a retail customers home or business through distribution wires or facilities of regulated public utilities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ElectricalTransmissionDistribution_lbl" xml:lang="en">Electrical Transmission and Distribution</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ElectricalTransmissionDistribution_lbl" xml:lang="en">Electrical Transmission and Distribution</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ElectricalTransmissionDistribution_lbl" xml:lang="en">Electrical Transmission and Distribution - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ElectricBundledRevenues" xlink:label="exc-og_ElectricBundledRevenues"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ElectricBundledRevenues" xlink:to="exc-og_ElectricBundledRevenues_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ElectricBundledRevenues_lbl" xml:lang="en">Revenue for bundled services refers to customers who receive electric generation, as well as transmission and distribution, service.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ElectricBundledRevenues_lbl" xml:lang="en">Electric Bundled Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ElectricBundledRevenues_lbl" xml:lang="en">Electric Bundled Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ElectricBundledRevenues_lbl" xml:lang="en">Electric Bundled Revenue - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ElectricUtilityRevenues" xlink:label="exc-og_ElectricUtilityRevenues"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ElectricUtilityRevenues" xlink:to="exc-og_ElectricUtilityRevenues_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ElectricUtilityRevenues_lbl" xml:lang="en">Electric Utility Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ElectricUtilityRevenues_lbl" xml:lang="en">Electric Utility Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ElectricUtilityRevenues_lbl" xml:lang="en">Electric Utility Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ElectricUtilityRevenues_lbl" xml:lang="en">Electric Utility Revenue - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_EmployeeStockOwnershipPlanBeginningBalance" xlink:label="exc-og_EmployeeStockOwnershipPlanBeginningBalance"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_EmployeeStockOwnershipPlanBeginningBalance" xlink:to="exc-og_EmployeeStockOwnershipPlanBeginningBalance_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_EmployeeStockOwnershipPlanBeginningBalance_lbl" xml:lang="en">Employee Stock Ownership Plan - Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_EmployeeStockOwnershipPlanBeginningBalance_lbl" xml:lang="en">Employee Stock Ownership Plan - Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_EmployeeStockOwnershipPlanBeginningBalance_lbl" xml:lang="en">Employee Stock Ownership Plan - Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_EmployeeStockOwnershipPlanBeginningBalance_lbl" xml:lang="en">Employee Stock Ownership Plan - Beginning Balance - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_EmployeeStockOwnershipPlanEndingBalance" xlink:label="exc-og_EmployeeStockOwnershipPlanEndingBalance"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_EmployeeStockOwnershipPlanEndingBalance" xlink:to="exc-og_EmployeeStockOwnershipPlanEndingBalance_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_EmployeeStockOwnershipPlanEndingBalance_lbl" xml:lang="en">Employee Stock Ownership Plan - Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_EmployeeStockOwnershipPlanEndingBalance_lbl" xml:lang="en">Employee Stock Ownership Plan - Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_EmployeeStockOwnershipPlanEndingBalance_lbl" xml:lang="en">Employee Stock Ownership Plan - Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_EmployeeStockOwnershipPlanEndingBalance_lbl" xml:lang="en">Employee Stock Ownership Plan - Ending Balance - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_EmployeeStockPurchasePlanAdditionalPaidCapital" xlink:label="exc-og_EmployeeStockPurchasePlanAdditionalPaidCapital"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_EmployeeStockPurchasePlanAdditionalPaidCapital" xlink:to="exc-og_EmployeeStockPurchasePlanAdditionalPaidCapital_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_EmployeeStockPurchasePlanAdditionalPaidCapital_lbl" xml:lang="en">Employee Stock Purchase Plan - Additional Paid in Capital</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_EmployeeStockPurchasePlanAdditionalPaidCapital_lbl" xml:lang="en">Employee Stock Purchase Plan - Additional Paid in Capital</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_EmployeeStockPurchasePlanAdditionalPaidCapital_lbl" xml:lang="en">Employee Stock Purchase Plan - Additional Paid in Capital</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_EmployeeStockPurchasePlanAdditionalPaidCapital_lbl" xml:lang="en">Employee Stock Purchase Plan - Additional Paid in Capital - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_EnergyMarketingAssetsNoncurrent" xlink:label="exc-og_EnergyMarketingAssetsNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_EnergyMarketingAssetsNoncurrent" xlink:to="exc-og_EnergyMarketingAssetsNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_EnergyMarketingAssetsNoncurrent_lbl" xml:lang="en">Long-term assets from energy marketing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_EnergyMarketingAssetsNoncurrent_lbl" xml:lang="en">Energy Marketing Assets - Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_EnergyMarketingAssetsNoncurrent_lbl" xml:lang="en">Energy Marketing Assets - Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_EnergyMarketingAssetsNoncurrent_lbl" xml:lang="en">Energy Marketing Assets - Noncurrent - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_EnergyMarketingLiabilitiesCurrent" xlink:label="exc-og_EnergyMarketingLiabilitiesCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_EnergyMarketingLiabilitiesCurrent" xlink:to="exc-og_EnergyMarketingLiabilitiesCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_EnergyMarketingLiabilitiesCurrent_lbl" xml:lang="en">Current liabilities arising from energy marketing and risk management activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_EnergyMarketingLiabilitiesCurrent_lbl" xml:lang="en">Energy Marketing and Risk Management Liabilities - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_EnergyMarketingLiabilitiesCurrent_lbl" xml:lang="en">Energy Marketing and Risk Management Liabilities - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_EnergyMarketingLiabilitiesCurrent_lbl" xml:lang="en">Energy Marketing and Risk Management Liabilities - Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_EnergyMarketingLiabilitiesNoncurrent" xlink:label="exc-og_EnergyMarketingLiabilitiesNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_EnergyMarketingLiabilitiesNoncurrent" xlink:to="exc-og_EnergyMarketingLiabilitiesNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_EnergyMarketingLiabilitiesNoncurrent_lbl" xml:lang="en">Non-current liabilities arising from energy marketing and risk management activities.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_EnergyMarketingLiabilitiesNoncurrent_lbl" xml:lang="en">Energy Marketing and Risk Management Liabilities - Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_EnergyMarketingLiabilitiesNoncurrent_lbl" xml:lang="en">Energy Marketing and Risk Management Liabilities - Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_EnergyMarketingLiabilitiesNoncurrent_lbl" xml:lang="en">Energy Marketing and Risk Management Liabilities - Noncurrent - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_EnergyMarketingReceivablesCurrent" xlink:label="exc-og_EnergyMarketingReceivablesCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_EnergyMarketingReceivablesCurrent" xlink:to="exc-og_EnergyMarketingReceivablesCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_EnergyMarketingReceivablesCurrent_lbl" xml:lang="en">Portion of accounts receivable (current) attributable to energy marketing services</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_EnergyMarketingReceivablesCurrent_lbl" xml:lang="en">Receivables - Energy Marketing</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_EnergyMarketingReceivablesCurrent_lbl" xml:lang="en">Energy Marketing</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_EnergyMarketingReceivablesCurrent_lbl" xml:lang="en">Receivables - Energy Marketing - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_EnergyTradingActivityLiabilityCurrent" xlink:label="exc-og_EnergyTradingActivityLiabilityCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_EnergyTradingActivityLiabilityCurrent" xlink:to="exc-og_EnergyTradingActivityLiabilityCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_EnergyTradingActivityLiabilityCurrent_lbl" xml:lang="en">Current liability arising from energy trading activities involve the purchase and sale of energy under forward contracts at fixed and variable prices and the buying and selling of financial energy contracts which include exchange futures and options and over-the-counter options and swaps. Although trading contracts are generally short-term, there are also long-term trading contracts. We recognize revenues from trading activities generally based on changes in the fair value of open energy trading contracts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_EnergyTradingActivityLiabilityCurrent_lbl" xml:lang="en">Energy Trading Activity Liability Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_EnergyTradingActivityLiabilityCurrent_lbl" xml:lang="en">Energy Trading Activity Liability Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_EnergyTradingActivityLiabilityCurrent_lbl" xml:lang="en">Energy Trading Activity Liability Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_EngineeringExpense" xlink:label="exc-og_EngineeringExpense"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_EngineeringExpense" xlink:to="exc-og_EngineeringExpense_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_EngineeringExpense_lbl" xml:lang="en">The aggregate costs incurred during an accounting period to research and develop new products/technologies when the technological feasibility has not been reached (such costs should be capitalized rather than expensed after reaching technological feasibility)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_EngineeringExpense_lbl" xml:lang="en">Engineering Expense (Excluding In-Process)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_EngineeringExpense_lbl" xml:lang="en">Engineering Expense (Excluding In-Process)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_EngineeringExpense_lbl" xml:lang="en">Engineering Expense (Excluding In-Process) - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_EnvironmentalLiabilitiesByProject" xlink:label="exc-og_EnvironmentalLiabilitiesByProject"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_EnvironmentalLiabilitiesByProject" xlink:to="exc-og_EnvironmentalLiabilitiesByProject_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_EnvironmentalLiabilitiesByProject_lbl" xml:lang="en">The estimated obligation amounts for probable future loss associated with environmental contamination issues listed by projects (e.g. nuclear decommissioning costs)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_EnvironmentalLiabilitiesByProject_lbl" xml:lang="en">Environmental Liabilities by Project</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_EnvironmentalLiabilitiesByProject_lbl" xml:lang="en">Environmental Liabilities by Project</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_EnvironmentalLiabilitiesByProject_lbl" xml:lang="en">Environmental Liabilities by Project - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_EnvironmentalLiabilitiesCostsAccruedToDate" xlink:label="exc-og_EnvironmentalLiabilitiesCostsAccruedToDate"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_EnvironmentalLiabilitiesCostsAccruedToDate" xlink:to="exc-og_EnvironmentalLiabilitiesCostsAccruedToDate_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_EnvironmentalLiabilitiesCostsAccruedToDate_lbl" xml:lang="en">The cumulative amount for estimated obligations accrued for probable future loss associated with environmental contamination issues at the financial statement date (e.g. nuclear decommissioning costs)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_EnvironmentalLiabilitiesCostsAccruedToDate_lbl" xml:lang="en">Environmental Liabilities - Costs Accrued to Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_EnvironmentalLiabilitiesCostsAccruedToDate_lbl" xml:lang="en">Environmental Liabilities - Costs Accrued to Date</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_EnvironmentalLiabilitiesCostsAccruedToDate_lbl" xml:lang="en">Environmental Liabilities - Costs Accrued to Date - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_EnvironmentalLiabilitiesExpectedFuturePaymentsByPeriod" xlink:label="exc-og_EnvironmentalLiabilitiesExpectedFuturePaymentsByPeriod"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_EnvironmentalLiabilitiesExpectedFuturePaymentsByPeriod" xlink:to="exc-og_EnvironmentalLiabilitiesExpectedFuturePaymentsByPeriod_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_EnvironmentalLiabilitiesExpectedFuturePaymentsByPeriod_lbl" xml:lang="en">If an environmental liability qualifies for discounting, disclose expected payments for each of the five years and the aggregate amount thereafter</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_EnvironmentalLiabilitiesExpectedFuturePaymentsByPeriod_lbl" xml:lang="en">Environmental Liabilities - Expected Future Payments by Period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_EnvironmentalLiabilitiesExpectedFuturePaymentsByPeriod_lbl" xml:lang="en">Expected Future Payments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_EnvironmentalLiabilitiesExpectedFuturePaymentsByPeriod_lbl" xml:lang="en">Environmental Liabilities - Expected Future Payments by Period - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_EnvironmentalLiabilitiesRangePossibleAdditionalLossesOnEnvironmentalMatters" xlink:label="exc-og_EnvironmentalLiabilitiesRangePossibleAdditionalLossesOnEnvironmentalMatters"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_EnvironmentalLiabilitiesRangePossibleAdditionalLossesOnEnvironmentalMatters" xlink:to="exc-og_EnvironmentalLiabilitiesRangePossibleAdditionalLossesOnEnvironmentalMatters_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_EnvironmentalLiabilitiesRangePossibleAdditionalLossesOnEnvironmentalMatters_lbl" xml:lang="en">The range or amount or reasonably possible additional losses with respect to site restoration costs or other environmental exit costs that may occur on the sale, disposal, or abandonment of property.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_EnvironmentalLiabilitiesRangePossibleAdditionalLossesOnEnvironmentalMatters_lbl" xml:lang="en">Environmental Liabilities - Range of Possible Additional Losses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_EnvironmentalLiabilitiesRangePossibleAdditionalLossesOnEnvironmentalMatters_lbl" xml:lang="en">Range of Possible Additional Losses on Environmental Matters</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_EnvironmentalLiabilitiesRangePossibleAdditionalLossesOnEnvironmentalMatters_lbl" xml:lang="en">Environmental Liabilities - Range of Possible Additional Losses - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_EnvironmentalLiabilityCurrent" xlink:label="exc-og_EnvironmentalLiabilityCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_EnvironmentalLiabilityCurrent" xlink:to="exc-og_EnvironmentalLiabilityCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_EnvironmentalLiabilityCurrent_lbl" xml:lang="en">Current Portion of Obligation (known or estimated) arising from environmental remedy actions to be taken.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_EnvironmentalLiabilityCurrent_lbl" xml:lang="en">Current Portion of Environmental Liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_EnvironmentalLiabilityCurrent_lbl" xml:lang="en">Current Portion of</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_EnvironmentalLiabilityCurrent_lbl" xml:lang="en">Current Portion of Environmental Liability - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_EquipmentFixture" xlink:label="exc-og_EquipmentFixture"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_EquipmentFixture" xlink:to="exc-og_EquipmentFixture_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_EquipmentFixture_lbl" xml:lang="en">Equipment and Fixture required for revenue generating activities normal conduct of a business</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_EquipmentFixture_lbl" xml:lang="en">Equipment and Furniture</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_EquipmentFixture_lbl" xml:lang="en">Equipment and Furniture</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_EquipmentFixture_lbl" xml:lang="en">Equipment and Furniture - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_EstablishDefeasanceAccount" xlink:label="exc-og_EstablishDefeasanceAccount"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_EstablishDefeasanceAccount" xlink:to="exc-og_EstablishDefeasanceAccount_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_EstablishDefeasanceAccount_lbl" xml:lang="en">Establish defeasance account is debt negation without repayment. The irrevocable setting aside of assets for repayment of a debt without actual retirement of the debt, often for tax reasons.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_EstablishDefeasanceAccount_lbl" xml:lang="en">Establish Defeasance Account</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_EstablishDefeasanceAccount_lbl" xml:lang="en">Establish Defeasance Account</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_EstablishDefeasanceAccount_lbl" xml:lang="en">Establish Defeasance Account - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_EuropeanElectricOtherNet" xlink:label="exc-og_EuropeanElectricOtherNet"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_EuropeanElectricOtherNet" xlink:to="exc-og_EuropeanElectricOtherNet_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_EuropeanElectricOtherNet_lbl" xml:lang="en">European Electric and Other Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_EuropeanElectricOtherNet_lbl" xml:lang="en">European Electric and Other Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_EuropeanElectricOtherNet_lbl" xml:lang="en">European Electric and Other Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_EuropeanElectricOtherNet_lbl" xml:lang="en">European Electric and Other Net - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ExcessBenefitObligationFundsReceivableCurrent" xlink:label="exc-og_ExcessBenefitObligationFundsReceivableCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ExcessBenefitObligationFundsReceivableCurrent" xlink:to="exc-og_ExcessBenefitObligationFundsReceivableCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ExcessBenefitObligationFundsReceivableCurrent_lbl" xml:lang="en">Surplus of company obligated health and pension obligations - for example funds for pneumoconiosis which is fibrosis and scarring of the lungs due to the chronic (long-term) occupational inhalation of dusts such as coal, silica or asbestos -as well as other occupation health conditions which are due within 1 year or less.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ExcessBenefitObligationFundsReceivableCurrent_lbl" xml:lang="en">Excess Benefit Obligation Funds Receivable Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ExcessBenefitObligationFundsReceivableCurrent_lbl" xml:lang="en">Excess Benefit Obligation Funds Receivable Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ExcessBenefitObligationFundsReceivableCurrent_lbl" xml:lang="en">Excess Benefit Obligation Funds Receivable Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ExcessBenefitObligationFundsReceivableNoncurrent" xlink:label="exc-og_ExcessBenefitObligationFundsReceivableNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ExcessBenefitObligationFundsReceivableNoncurrent" xlink:to="exc-og_ExcessBenefitObligationFundsReceivableNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ExcessBenefitObligationFundsReceivableNoncurrent_lbl" xml:lang="en">Surplus of company obligated health and pension obligations - for example funds for pneumoconiosis which is fibrosis and scarring of the lungs due to the chronic (long-term) occupational inhalation of dusts such as coal, silica or asbestos -as well as other occupation health conditions which are due beyond 1 year (or one business cycle).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ExcessBenefitObligationFundsReceivableNoncurrent_lbl" xml:lang="en">Excess Benefit Obligation Funds Receivable Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ExcessBenefitObligationFundsReceivableNoncurrent_lbl" xml:lang="en">Excess Benefit Obligation Funds Receivable Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ExcessBenefitObligationFundsReceivableNoncurrent_lbl" xml:lang="en">Excess Benefit Obligation Funds Receivable Noncurrent - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ExcessTaxBenefitExerciseStockOptions" xlink:label="exc-og_ExcessTaxBenefitExerciseStockOptions"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ExcessTaxBenefitExerciseStockOptions" xlink:to="exc-og_ExcessTaxBenefitExerciseStockOptions_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ExcessTaxBenefitExerciseStockOptions_lbl" xml:lang="en">Excess Tax benefit from the exercise of stock options; shall be deemed part of cash flow financing activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ExcessTaxBenefitExerciseStockOptions_lbl" xml:lang="en">Excess Tax Benefit Stock Option Exercised</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ExcessTaxBenefitExerciseStockOptions_lbl" xml:lang="en">Excess Tax Benefit from Exercise of Stock Options</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ExcessTaxBenefitExerciseStockOptions_lbl" xml:lang="en">Excess Tax Benefit Stock Option Exercised - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ExciseOtherSaleTax" xlink:label="exc-og_ExciseOtherSaleTax"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ExciseOtherSaleTax" xlink:to="exc-og_ExciseOtherSaleTax_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ExciseOtherSaleTax_lbl" xml:lang="en">Excise, value add tax or other sales tax recovered in prices and included in revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ExciseOtherSaleTax_lbl" xml:lang="en">Excise and Other Sales Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ExciseOtherSaleTax_lbl" xml:lang="en">Excise and Other Sales Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ExciseOtherSaleTax_lbl" xml:lang="en">Excise and Other Sales Tax - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ExecutivesDirectorsBenefitsTrustBeginningBalance" xlink:label="exc-og_ExecutivesDirectorsBenefitsTrustBeginningBalance"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ExecutivesDirectorsBenefitsTrustBeginningBalance" xlink:to="exc-og_ExecutivesDirectorsBenefitsTrustBeginningBalance_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ExecutivesDirectorsBenefitsTrustBeginningBalance_lbl" xml:lang="en">Executives and Directors Benefits Trust - Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ExecutivesDirectorsBenefitsTrustBeginningBalance_lbl" xml:lang="en">Executives and Directors Benefits Trust - Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ExecutivesDirectorsBenefitsTrustBeginningBalance_lbl" xml:lang="en">Executives and Directors Benefits Trust - Beginning Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ExecutivesDirectorsBenefitsTrustBeginningBalance_lbl" xml:lang="en">Executives and Directors Benefits Trust - Beginning Balance - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ExecutivesDirectorsBenefitsTrustEndingBalance" xlink:label="exc-og_ExecutivesDirectorsBenefitsTrustEndingBalance"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ExecutivesDirectorsBenefitsTrustEndingBalance" xlink:to="exc-og_ExecutivesDirectorsBenefitsTrustEndingBalance_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ExecutivesDirectorsBenefitsTrustEndingBalance_lbl" xml:lang="en">Executives and Directors Benefits Trust - Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ExecutivesDirectorsBenefitsTrustEndingBalance_lbl" xml:lang="en">Executives and Directors Benefits Trust - Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ExecutivesDirectorsBenefitsTrustEndingBalance_lbl" xml:lang="en">Executives and Directors Benefits Trust - Ending Balance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ExecutivesDirectorsBenefitsTrustEndingBalance_lbl" xml:lang="en">Executives and Directors Benefits Trust - Ending Balance - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ExerciseStockOptionsWarrantsParValue" xlink:label="exc-og_ExerciseStockOptionsWarrantsParValue"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ExerciseStockOptionsWarrantsParValue" xlink:to="exc-og_ExerciseStockOptionsWarrantsParValue_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ExerciseStockOptionsWarrantsParValue_lbl" xml:lang="en">Value of common stock issued  as a result of the exercise of stock warrants recorded at par value.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ExerciseStockOptionsWarrantsParValue_lbl" xml:lang="en">Common Stock Issued - Stock Warrants Exercised - Value (Excluding Additional Paid in Capital)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ExerciseStockOptionsWarrantsParValue_lbl" xml:lang="en">Common Stock - Par Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ExerciseStockOptionsWarrantsParValue_lbl" xml:lang="en">Common Stock Issued - Stock Warrants Exercised - Value (Excluding Additional Paid in Capital) - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ExerciseStockWarrantsAdditionalPaidCapital" xlink:label="exc-og_ExerciseStockWarrantsAdditionalPaidCapital"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ExerciseStockWarrantsAdditionalPaidCapital" xlink:to="exc-og_ExerciseStockWarrantsAdditionalPaidCapital_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ExerciseStockWarrantsAdditionalPaidCapital_lbl" xml:lang="en">Value of common and/or treasury stock issued as a result of the exercise of stock warrants recorded above par value.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ExerciseStockWarrantsAdditionalPaidCapital_lbl" xml:lang="en">Common Stock Issued - Stock Warrants Exercised - Additional Paid in Capital</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ExerciseStockWarrantsAdditionalPaidCapital_lbl" xml:lang="en">Additional Paid in Capital</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ExerciseStockWarrantsAdditionalPaidCapital_lbl" xml:lang="en">Common Stock Issued - Stock Warrants Exercised - Additional Paid in Capital - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ExerciseStockWarrantsCommonStockNumberShares" xlink:label="exc-og_ExerciseStockWarrantsCommonStockNumberShares"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ExerciseStockWarrantsCommonStockNumberShares" xlink:to="exc-og_ExerciseStockWarrantsCommonStockNumberShares_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ExerciseStockWarrantsCommonStockNumberShares_lbl" xml:lang="en">Number of shares of common stock issued as a result of the exercise of stock warrants.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ExerciseStockWarrantsCommonStockNumberShares_lbl" xml:lang="en">Common Stock Issued - Stock Warrants Exercised - Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ExerciseStockWarrantsCommonStockNumberShares_lbl" xml:lang="en">Common Stock Warrants Exercised - Number of Shares</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ExerciseStockWarrantsCommonStockNumberShares_lbl" xml:lang="en">Common Stock Issued - Stock Warrants Exercised - Shares - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ExplorationAbandonmentImpairmentExpense" xlink:label="exc-og_ExplorationAbandonmentImpairmentExpense"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ExplorationAbandonmentImpairmentExpense" xlink:to="exc-og_ExplorationAbandonmentImpairmentExpense_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ExplorationAbandonmentImpairmentExpense_lbl" xml:lang="en">Abandonment and Impairment expenses incurred in exploration</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ExplorationAbandonmentImpairmentExpense_lbl" xml:lang="en">Exploration Abandonment and Impairment Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ExplorationAbandonmentImpairmentExpense_lbl" xml:lang="en">Abandonment and Impairment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ExplorationAbandonmentImpairmentExpense_lbl" xml:lang="en">Exploration Abandonment and Impairment Expense - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ExplorationExpense" xlink:label="exc-og_ExplorationExpense"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ExplorationExpense" xlink:to="exc-og_ExplorationExpense_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ExplorationExpense_lbl" xml:lang="en">Exploration Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ExplorationExpense_lbl" xml:lang="en">Exploration Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ExplorationExpense_lbl" xml:lang="en">Exploration Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ExplorationExpense_lbl" xml:lang="en">Exploration Expense - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ExplorationProductionFullCostMethodGross" xlink:label="exc-og_ExplorationProductionFullCostMethodGross"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ExplorationProductionFullCostMethodGross" xlink:to="exc-og_ExplorationProductionFullCostMethodGross_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ExplorationProductionFullCostMethodGross_lbl" xml:lang="en">Exploration and Production, Full Cost Method</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ExplorationProductionFullCostMethodGross_lbl" xml:lang="en">Exploration and Production, Full Cost Method</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ExplorationProductionFullCostMethodGross_lbl" xml:lang="en">Exploration and Production, Full Cost Method</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ExplorationProductionFullCostMethodGross_lbl" xml:lang="en">Exploration and Production, Full Cost Method - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_FinanceReceivablesBilledPortion" xlink:label="exc-og_FinanceReceivablesBilledPortion"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_FinanceReceivablesBilledPortion" xlink:to="exc-og_FinanceReceivablesBilledPortion_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_FinanceReceivablesBilledPortion_lbl" xml:lang="en">Receivables arising from the financing of goods and services - billed portion</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_FinanceReceivablesBilledPortion_lbl" xml:lang="en">Billed Portion of Finance Receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_FinanceReceivablesBilledPortion_lbl" xml:lang="en">Billed Portion of Finance Receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_FinanceReceivablesBilledPortion_lbl" xml:lang="en">Billed Portion of Finance Receivables - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_FinanceReceivablesNetNonurrent" xlink:label="exc-og_FinanceReceivablesNetNonurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_FinanceReceivablesNetNonurrent" xlink:to="exc-og_FinanceReceivablesNetNonurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_FinanceReceivablesNetNonurrent_lbl" xml:lang="en">Long term receivables arising from the financing of goods and services, net of uncollectible accounts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_FinanceReceivablesNetNonurrent_lbl" xml:lang="en">Financing Receivables - Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_FinanceReceivablesNetNonurrent_lbl" xml:lang="en">Financing Receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_FinanceReceivablesNetNonurrent_lbl" xml:lang="en">Financing Receivables - Noncurrent - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_FinancingCosts" xlink:label="exc-og_FinancingCosts"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_FinancingCosts" xlink:to="exc-og_FinancingCosts_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_FinancingCosts_lbl" xml:lang="en">The costs associated with obtaining financing associated with a third party</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_FinancingCosts_lbl" xml:lang="en">Financing Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_FinancingCosts_lbl" xml:lang="en">Financing Costs</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_FinancingCosts_lbl" xml:lang="en">Financing Costs - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_FirstMortgageBondLongTerm" xlink:label="exc-og_FirstMortgageBondLongTerm"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_FirstMortgageBondLongTerm" xlink:to="exc-og_FirstMortgageBondLongTerm_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_FirstMortgageBondLongTerm_lbl" xml:lang="en">A debt instrument secured by a first mortgage deed of trust containing a pledge of real property.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_FirstMortgageBondLongTerm_lbl" xml:lang="en">First Mortgage Bond - Long Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_FirstMortgageBondLongTerm_lbl" xml:lang="en">First Mortgage Bond - Long Term</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_FirstMortgageBondLongTerm_lbl" xml:lang="en">First Mortgage Bond - Long Term - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_GainLossCondemnationNetTax" xlink:label="exc-og_GainLossCondemnationNetTax"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_GainLossCondemnationNetTax" xlink:to="exc-og_GainLossCondemnationNetTax_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_GainLossCondemnationNetTax_lbl" xml:lang="en">Gain (Loss) on Condemnation Net of Tax when the net condemnation award is more than the adjusted basis of the condemned property, you have a gain. You can postpone reporting gain from a condemnation if you buy replacement property. If only part of your property is condemned, you can treat the cost of restoring the remaining part to its former usefulness as the cost of replacement property.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_GainLossCondemnationNetTax_lbl" xml:lang="en">Gain (Loss) on Condemnation Net of Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_GainLossCondemnationNetTax_lbl" xml:lang="en">Gain (Loss) on Condemnation Net of Tax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_GainLossCondemnationNetTax_lbl" xml:lang="en">Gain (Loss) on Condemnation Net of Tax - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_GainLossDerivatives" xlink:label="exc-og_GainLossDerivatives"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_GainLossDerivatives" xlink:to="exc-og_GainLossDerivatives_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_GainLossDerivatives_lbl" xml:lang="en">Gain and/or loss on derivative trading activity.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_GainLossDerivatives_lbl" xml:lang="en">Gain (Loss) on Derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_GainLossDerivatives_lbl" xml:lang="en">Gain (Loss) on Derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_GainLossDerivatives_lbl" xml:lang="en">Gain (Loss) on Derivatives - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_GainLossDispositionNonUtilityProperty" xlink:label="exc-og_GainLossDispositionNonUtilityProperty"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_GainLossDispositionNonUtilityProperty" xlink:to="exc-og_GainLossDispositionNonUtilityProperty_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_GainLossDispositionNonUtilityProperty_lbl" xml:lang="en">Gain (Loss) on Sale of NonUtility Properties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_GainLossDispositionNonUtilityProperty_lbl" xml:lang="en">Gain (Loss) on Sale of NonUtility Properties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_GainLossDispositionNonUtilityProperty_lbl" xml:lang="en">Gain (Loss) on Sale of NonUtility Properties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_GainLossDispositionNonUtilityProperty_lbl" xml:lang="en">Gain (Loss) on Sale of NonUtility Properties - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_GainLossDispositionOilGasProperty" xlink:label="exc-og_GainLossDispositionOilGasProperty"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_GainLossDispositionOilGasProperty" xlink:to="exc-og_GainLossDispositionOilGasProperty_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_GainLossDispositionOilGasProperty_lbl" xml:lang="en">Revenues recorded from sale of oil and gas properties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_GainLossDispositionOilGasProperty_lbl" xml:lang="en">Gain (Loss) on Sale of Oil and Gas Properties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_GainLossDispositionOilGasProperty_lbl" xml:lang="en">Gain (Loss) on Sale of Oil and Gas Properties</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_GainLossDispositionOilGasProperty_lbl" xml:lang="en">Gain (Loss) on Sale of Oil and Gas Properties - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_GainLossInsuranceSettement" xlink:label="exc-og_GainLossInsuranceSettement"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_GainLossInsuranceSettement" xlink:to="exc-og_GainLossInsuranceSettement_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_GainLossInsuranceSettement_lbl" xml:lang="en">Gain and/or loss from insurance settlements.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_GainLossInsuranceSettement_lbl" xml:lang="en">Gain (Loss) on Insurance Settlement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_GainLossInsuranceSettement_lbl" xml:lang="en">Gain (Loss) on Insurance Settlement</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_GainLossInsuranceSettement_lbl" xml:lang="en">Gain (Loss) on Insurance Settlement - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_GainLossInvestments" xlink:label="exc-og_GainLossInvestments"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_GainLossInvestments" xlink:to="exc-og_GainLossInvestments_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_GainLossInvestments_lbl" xml:lang="en">Gain and/or loss on investments (I.e. write down or write off of investments)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_GainLossInvestments_lbl" xml:lang="en">Gain/(Loss) on Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_GainLossInvestments_lbl" xml:lang="en">Gain  and or loss on  Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_GainLossInvestments_lbl" xml:lang="en">Gain/(Loss) on Investments - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_GainLossOilGasHedging" xlink:label="exc-og_GainLossOilGasHedging"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_GainLossOilGasHedging" xlink:to="exc-og_GainLossOilGasHedging_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_GainLossOilGasHedging_lbl" xml:lang="en">Gain and/or loss on oil and gas hedging (derivatives) activity.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_GainLossOilGasHedging_lbl" xml:lang="en">Gain (Loss) on Oil and Gas Hedging Activity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_GainLossOilGasHedging_lbl" xml:lang="en">Gain (Loss) on Oil and Gas Hedging Activity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_GainLossOilGasHedging_lbl" xml:lang="en">Gain (Loss) on Oil and Gas Hedging Activity - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_GainLossOnDispositionProperty" xlink:label="exc-og_GainLossOnDispositionProperty"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_GainLossOnDispositionProperty" xlink:to="exc-og_GainLossOnDispositionProperty_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_GainLossOnDispositionProperty_lbl" xml:lang="en">The gains and losses included in earning resulting from the sale or disposal of land and property.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_GainLossOnDispositionProperty_lbl" xml:lang="en">Gain/(Loss) on Disposition of Property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_GainLossOnDispositionProperty_lbl" xml:lang="en">Gain (Loss) on Disposition of Property</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_GainLossOnDispositionProperty_lbl" xml:lang="en">Gain/(Loss) on Disposition of Property - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_GainLossOnSaleProjects" xlink:label="exc-og_GainLossOnSaleProjects"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_GainLossOnSaleProjects" xlink:to="exc-og_GainLossOnSaleProjects_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_GainLossOnSaleProjects_lbl" xml:lang="en">Gain/(Loss) on Sale of interest in Projects</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_GainLossOnSaleProjects_lbl" xml:lang="en">Gain/(Loss) on Sale of interest in Projects</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_GainLossOnSaleProjects_lbl" xml:lang="en">Gain/(Loss) on Sale of interest in Projects</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_GainLossOnSaleProjects_lbl" xml:lang="en">Gain/(Loss) on Sale of interest in Projects - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_GainLossOtherDebt" xlink:label="exc-og_GainLossOtherDebt"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_GainLossOtherDebt" xlink:to="exc-og_GainLossOtherDebt_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_GainLossOtherDebt_lbl" xml:lang="en">Gain or loss on other debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_GainLossOtherDebt_lbl" xml:lang="en">Gain (Loss) on Other Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_GainLossOtherDebt_lbl" xml:lang="en">Gain (Loss) on Other Debt</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_GainLossOtherDebt_lbl" xml:lang="en">Gain (Loss) on Other Debt - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_GainLossPriceRiskManagementActivity" xlink:label="exc-og_GainLossPriceRiskManagementActivity"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_GainLossPriceRiskManagementActivity" xlink:to="exc-og_GainLossPriceRiskManagementActivity_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_GainLossPriceRiskManagementActivity_lbl" xml:lang="en">Gain and/or loss on hedging undertaken to manage commodity price risk.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_GainLossPriceRiskManagementActivity_lbl" xml:lang="en">Gain (Loss) from Price Risk Management Activity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_GainLossPriceRiskManagementActivity_lbl" xml:lang="en">Gain (Loss) from Price Risk Management Activity</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_GainLossPriceRiskManagementActivity_lbl" xml:lang="en">Gain (Loss) from Price Risk Management Activity - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_GasGatheringProcessingEquipment" xlink:label="exc-og_GasGatheringProcessingEquipment"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_GasGatheringProcessingEquipment" xlink:to="exc-og_GasGatheringProcessingEquipment_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_GasGatheringProcessingEquipment_lbl" xml:lang="en">Gross fixed assets for gathering and processing natural gas</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_GasGatheringProcessingEquipment_lbl" xml:lang="en">Gas Gathering and Processing Equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_GasGatheringProcessingEquipment_lbl" xml:lang="en">Gas Gathering and Processing Equipment</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_GasGatheringProcessingEquipment_lbl" xml:lang="en">Gas Gathering and Processing Equipment - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_GasGatheringProcessingEquipmentTransportation" xlink:label="exc-og_GasGatheringProcessingEquipmentTransportation"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_GasGatheringProcessingEquipmentTransportation" xlink:to="exc-og_GasGatheringProcessingEquipmentTransportation_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_GasGatheringProcessingEquipmentTransportation_lbl" xml:lang="en">Gross fixed assets for gathering, processing and transporting natural gas</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_GasGatheringProcessingEquipmentTransportation_lbl" xml:lang="en">Gas Gathering and Processing Equipment and Transportation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_GasGatheringProcessingEquipmentTransportation_lbl" xml:lang="en">Gas Gathering and Processing Equipment and Transportation</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_GasGatheringProcessingEquipmentTransportation_lbl" xml:lang="en">Gas Gathering and Processing Equipment and Transportation - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_GasGatheringTransporationMarketingProcessingRevenue" xlink:label="exc-og_GasGatheringTransporationMarketingProcessingRevenue"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_GasGatheringTransporationMarketingProcessingRevenue" xlink:to="exc-og_GasGatheringTransporationMarketingProcessingRevenue_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_GasGatheringTransporationMarketingProcessingRevenue_lbl" xml:lang="en">Gathering, Transportation, Marketing and Processing Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_GasGatheringTransporationMarketingProcessingRevenue_lbl" xml:lang="en">Gathering, Transportation, Marketing and Processing Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_GasGatheringTransporationMarketingProcessingRevenue_lbl" xml:lang="en">Gathering, Transportation, Marketing and Processing Revenue</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_GasGatheringTransporationMarketingProcessingRevenue_lbl" xml:lang="en">Gathering, Transportation, Marketing and Processing Revenue - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_GasImbalancePayable" xlink:label="exc-og_GasImbalancePayable"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_GasImbalancePayable" xlink:to="exc-og_GasImbalancePayable_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_GasImbalancePayable_lbl" xml:lang="en">Amounts due to an underproduced working interest owner when an overproduced working interest owner has sold gas in excess of the party's ownership percentage.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_GasImbalancePayable_lbl" xml:lang="en">Gas Imbalance - Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_GasImbalancePayable_lbl" xml:lang="en">Gas Imbalance - Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_GasImbalancePayable_lbl" xml:lang="en">Gas Imbalance - Payable - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_GasPurchaseContractNet" xlink:label="exc-og_GasPurchaseContractNet"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_GasPurchaseContractNet" xlink:to="exc-og_GasPurchaseContractNet_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_GasPurchaseContractNet_lbl" xml:lang="en">Discounted future value of a contract to purchase gas at favorable prices</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_GasPurchaseContractNet_lbl" xml:lang="en">Gas Purchase Contract, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_GasPurchaseContractNet_lbl" xml:lang="en">Gas Purchase Contract, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_GasPurchaseContractNet_lbl" xml:lang="en">Gas Purchase Contract, Net - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_GeneralPartnersInterest" xlink:label="exc-og_GeneralPartnersInterest"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_GeneralPartnersInterest" xlink:to="exc-og_GeneralPartnersInterest_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_GeneralPartnersInterest_lbl" xml:lang="en">General Partners Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_GeneralPartnersInterest_lbl" xml:lang="en">General Partners Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_GeneralPartnersInterest_lbl" xml:lang="en">General Partners Interest</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_GeneralPartnersInterest_lbl" xml:lang="en">General Partners Interest - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_GoldInvestments" xlink:label="exc-og_GoldInvestments"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_GoldInvestments" xlink:to="exc-og_GoldInvestments_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_GoldInvestments_lbl" xml:lang="en">Investments In Gold</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_GoldInvestments_lbl" xml:lang="en">Investments In Gold</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_GoldInvestments_lbl" xml:lang="en">Investments In Gold</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_GoldInvestments_lbl" xml:lang="en">Investments In Gold - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_HedgingAssetsCurrent" xlink:label="exc-og_HedgingAssetsCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_HedgingAssetsCurrent" xlink:to="exc-og_HedgingAssetsCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_HedgingAssetsCurrent_lbl" xml:lang="en">A current financial instrument or contract used to hedge price changes in underlying assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_HedgingAssetsCurrent_lbl" xml:lang="en">Hedging Assets - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_HedgingAssetsCurrent_lbl" xml:lang="en">Hedging Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_HedgingAssetsCurrent_lbl" xml:lang="en">Hedging Assets - Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_HedgingAssetsNoncurrent" xlink:label="exc-og_HedgingAssetsNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_HedgingAssetsNoncurrent" xlink:to="exc-og_HedgingAssetsNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_HedgingAssetsNoncurrent_lbl" xml:lang="en">A financial instrument or contract used to hedge price changes in underlying assets.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_HedgingAssetsNoncurrent_lbl" xml:lang="en">Hedging Assets - Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_HedgingAssetsNoncurrent_lbl" xml:lang="en">Hedging Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_HedgingAssetsNoncurrent_lbl" xml:lang="en">Hedging Assets - Noncurrent - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_HedgingLiabilityCurrent" xlink:label="exc-og_HedgingLiabilityCurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_HedgingLiabilityCurrent" xlink:to="exc-og_HedgingLiabilityCurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_HedgingLiabilityCurrent_lbl" xml:lang="en">Current liability arising from hedging activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_HedgingLiabilityCurrent_lbl" xml:lang="en">Hedging Liability - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_HedgingLiabilityCurrent_lbl" xml:lang="en">Hedging Liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_HedgingLiabilityCurrent_lbl" xml:lang="en">Hedging Liability - Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_HedgingLiabilityNoncurrent" xlink:label="exc-og_HedgingLiabilityNoncurrent"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_HedgingLiabilityNoncurrent" xlink:to="exc-og_HedgingLiabilityNoncurrent_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_HedgingLiabilityNoncurrent_lbl" xml:lang="en">Non-current liabilities arising from hedging contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_HedgingLiabilityNoncurrent_lbl" xml:lang="en">Hedging Liability - Non Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_HedgingLiabilityNoncurrent_lbl" xml:lang="en">Hedging Liability</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_HedgingLiabilityNoncurrent_lbl" xml:lang="en">Hedging Liability - Non Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_HoldingCompanyAssets" xlink:label="exc-og_HoldingCompanyAssets"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_HoldingCompanyAssets" xlink:to="exc-og_HoldingCompanyAssets_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_HoldingCompanyAssets_lbl" xml:lang="en">Holding Company Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_HoldingCompanyAssets_lbl" xml:lang="en">Holding Company Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_HoldingCompanyAssets_lbl" xml:lang="en">Holding Company Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_HoldingCompanyAssets_lbl" xml:lang="en">Holding Company Assets - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_HoldingCompanyLiabilities" xlink:label="exc-og_HoldingCompanyLiabilities"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_HoldingCompanyLiabilities" xlink:to="exc-og_HoldingCompanyLiabilities_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_HoldingCompanyLiabilities_lbl" xml:lang="en">Current liabilities of the holding company anticipated to be sold in the near future (less than 12 months).</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_HoldingCompanyLiabilities_lbl" xml:lang="en">Liabilities Of Holding Company - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_HoldingCompanyLiabilities_lbl" xml:lang="en">Liabilities Of Holding Company - Current</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_HoldingCompanyLiabilities_lbl" xml:lang="en">Liabilities Of Holding Company - Current - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_HurricaneRecoveriesExpenseNet" xlink:label="exc-og_HurricaneRecoveriesExpenseNet"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_HurricaneRecoveriesExpenseNet" xlink:to="exc-og_HurricaneRecoveriesExpenseNet_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_HurricaneRecoveriesExpenseNet_lbl" xml:lang="en">Hurricane recovery costs net of insurance coverage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_HurricaneRecoveriesExpenseNet_lbl" xml:lang="en">Hurricane recovery costs net of insurance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_HurricaneRecoveriesExpenseNet_lbl" xml:lang="en">Hurricane recovery costs net of insurance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_HurricaneRecoveriesExpenseNet_lbl" xml:lang="en">Hurricane recovery costs net of insurance - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_IBalanceSheet" xlink:label="exc-og_IBalanceSheet"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_IBalanceSheet" xlink:to="exc-og_IBalanceSheet_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_IBalanceSheet_lbl" xml:lang="en">Balance Sheet - Capitalization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_IBalanceSheet_lbl" xml:lang="en">Balance Sheet - Capitalization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_IBalanceSheet_lbl" xml:lang="en">Balance Sheet - Capitalization</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_IBalanceSheet_lbl" xml:lang="en">Balance Sheet - Capitalization - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ImpairmentDisposalLongLivedAssetsImpairmentLossOnAssetsHeldUsed" xlink:label="exc-og_ImpairmentDisposalLongLivedAssetsImpairmentLossOnAssetsHeldUsed"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ImpairmentDisposalLongLivedAssetsImpairmentLossOnAssetsHeldUsed" xlink:to="exc-og_ImpairmentDisposalLongLivedAssetsImpairmentLossOnAssetsHeldUsed_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ImpairmentDisposalLongLivedAssetsImpairmentLossOnAssetsHeldUsed_lbl" xml:lang="en">Amount of the impairment loss on long lived assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ImpairmentDisposalLongLivedAssetsImpairmentLossOnAssetsHeldUsed_lbl" xml:lang="en">Impairment Loss on Assets Held and Used</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ImpairmentDisposalLongLivedAssetsImpairmentLossOnAssetsHeldUsed_lbl" xml:lang="en">Impairment Loss on Assets Held and Used</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ImpairmentDisposalLongLivedAssetsImpairmentLossOnAssetsHeldUsed_lbl" xml:lang="en">Impairment Loss on Assets Held and Used - Total</label>
    <loc xlink:type="locator" xlink:href="http://www.xbrl.org/us/fr/common/pte/2005-02-28/usfr-pte-2005-02-28.xsd#usfr-pte_ImpairmentGoodwill" xlink:label="usfr-pte_ImpairmentGoodwill"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="usfr-pte_ImpairmentGoodwill" xlink:to="usfr-pte_ImpairmentGoodwill_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="usfr-pte_ImpairmentGoodwill_lbl" xml:lang="en">Costs resulting from the write down of goodwill due to the difference between the carrying value and the fair market value.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="usfr-pte_ImpairmentGoodwill_lbl" xml:lang="en">Impairment of goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="usfr-pte_ImpairmentGoodwill_lbl" xml:lang="en">Impairment of goodwill</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="usfr-pte_ImpairmentGoodwill_lbl" xml:lang="en">Impairment of goodwill</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ImpairmentInvestments" xlink:label="exc-og_ImpairmentInvestments"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ImpairmentInvestments" xlink:to="exc-og_ImpairmentInvestments_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ImpairmentInvestments_lbl" xml:lang="en">Investment impairment losses measured as the amount by which the carrying amount of the asset exceeds the fair value of the asset.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ImpairmentInvestments_lbl" xml:lang="en">Investments Impairment Charges</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ImpairmentInvestments_lbl" xml:lang="en">Investments Impairment Charge</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ImpairmentInvestments_lbl" xml:lang="en">Investments Impairment Charges - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_ImpairmentOrDisposalLongLivedAssetsNote" xlink:label="exc-og_ImpairmentOrDisposalLongLivedAssetsNote"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_ImpairmentOrDisposalLongLivedAssetsNote" xlink:to="exc-og_ImpairmentOrDisposalLongLivedAssetsNote_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_ImpairmentOrDisposalLongLivedAssetsNote_lbl" xml:lang="en">Impairment or disposal of long lived assets are categorized by whether the assets are to be held and used or to be disposed of. For long lived assets to be held and used, disclosures often include a description of the impaired long-lived asset and facts and circumstances leading to the impairment, amount of the impairment loss and where located in the income statement, method(s) for determining fair value, and the segment in which the impaired long-lived asset is reported.  For a long-lived asset classified as held and used as of and after the balance sheet date, the following is often included:  a description of the circumstances leading to the expected disposal, the expected manner and timing of that disposal, and the carrying amount(s) of the major classes of assets and liabilities related to the disposal. For long lived assets and disposal groups to be disposed of, disclosures often include a description of the circumstances leading to the expected disposal, the expected manner and timing of that disposal, carrying amount(s) of the major classes of assets and liabilities included as part of a disposal group, gain and loss recognized (as a result of write-down of long-lived asset's carrying amount to fair value, subsequent increase in fair value, and sale of a long-lived asset), the caption in the income statement that includes the gain or loss, and the segment in which the long-lived asset is reported.  If a company decides not to sell a long-lived asset previously classified as held for sale, and the asset is reclassified as held and used, include the facts and circumstances leading to the decision, and its effect on the results of operations.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_ImpairmentOrDisposalLongLivedAssetsNote_lbl" xml:lang="en">Impairment or Disposal of Long Lived Assets Note</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_ImpairmentOrDisposalLongLivedAssetsNote_lbl" xml:lang="en">Impairment or Disposal of Long Lived Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_ImpairmentOrDisposalLongLivedAssetsNote_lbl" xml:lang="en">Impairment or Disposal of Long Lived Assets Note - Total</label>
    <loc xlink:type="locator" xlink:href="http://www.xbrl.org/us/fr/common/pte/2005-02-28/usfr-pte-2005-02-28.xsd#usfr-pte_IncomeBeforeCumulativeEffectChangeAccountingPrinciple" xlink:label="usfr-pte_IncomeBeforeCumulativeEffectChangeAccountingPrinciple"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="usfr-pte_IncomeBeforeCumulativeEffectChangeAccountingPrinciple" xlink:to="usfr-pte_IncomeBeforeCumulativeEffectChangeAccountingPrinciple_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="usfr-pte_IncomeBeforeCumulativeEffectChangeAccountingPrinciple_lbl" xml:lang="en">Income before cumulative effect of change in accounting principle.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="usfr-pte_IncomeBeforeCumulativeEffectChangeAccountingPrinciple_lbl" xml:lang="en">Income before a cumulative effect of change in accounting principle</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="usfr-pte_IncomeBeforeCumulativeEffectChangeAccountingPrinciple_lbl" xml:lang="en">Income before a cumulative effect of change in accounting principle</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="usfr-pte_IncomeBeforeCumulativeEffectChangeAccountingPrinciple_lbl" xml:lang="en">Income before a cumulative effect of change in accounting principle</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_IncomeBeforeCumulativeEffectChangeAccountingPrinciplePerBasicDilutedShare" xlink:label="exc-og_IncomeBeforeCumulativeEffectChangeAccountingPrinciplePerBasicDilutedShare"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_IncomeBeforeCumulativeEffectChangeAccountingPrinciplePerBasicDilutedShare" xlink:to="exc-og_IncomeBeforeCumulativeEffectChangeAccountingPrinciplePerBasicDilutedShare_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_IncomeBeforeCumulativeEffectChangeAccountingPrinciplePerBasicDilutedShare_lbl" xml:lang="en">Income Before Cumulative Effect of Change in Accounting Principle per Basic and Diluted Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_IncomeBeforeCumulativeEffectChangeAccountingPrinciplePerBasicDilutedShare_lbl" xml:lang="en">Income Before Cumulative Effect of Change in Accounting Principle Per Basic and Diluted Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_IncomeBeforeCumulativeEffectChangeAccountingPrinciplePerBasicDilutedShare_lbl" xml:lang="en">Income Before Cumulative Effect of Change in Accounting Principle</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_IncomeBeforeCumulativeEffectChangeAccountingPrinciplePerBasicDilutedShare_lbl" xml:lang="en">Income Before Cumulative Effect of Change in Accounting Principle Per Basic and Diluted Share - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_IncomeBeforeExtraordinaryItems" xlink:label="exc-og_IncomeBeforeExtraordinaryItems"/>
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="exc-og_IncomeBeforeExtraordinaryItems" xlink:to="exc-og_IncomeBeforeExtraordinaryItems_lbl"/>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_IncomeBeforeExtraordinaryItems_lbl" xml:lang="en">Income before Extraordinary Items</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_IncomeBeforeExtraordinaryItems_lbl" xml:lang="en">Income Before Extraordinary Items</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_IncomeBeforeExtraordinaryItems_lbl" xml:lang="en">Income Before Extraordinary Items</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_IncomeBeforeExtraordinaryItems_lbl" xml:lang="en">Income Before Extraordinary Items - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_IncomeBeforeExtraordinaryItemsCumulativeEffectChangeAccountingPrinciplePerBasicDilutedShare" xlink:label="exc-og_IncomeBeforeExtraordinaryItemsCumulativeEffectChangeAccountingPrinciplePerBasicDilutedShare"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_IncomeBeforeMinorityInterestEarningsLossEquityInvestments_lbl" xml:lang="en">Income Loss Continuing Operations Before Income Taxes Minority Interest Earnings Losses Equity Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_IncomeBeforeMinorityInterestEarningsLossEquityInvestments_lbl" xml:lang="en">Income Loss Continuing Operations Before Minority Interest Earnings Losses Equity Investments - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_IncomeBeforeMinorityInterestEarningsLossEquityInvestmentsCumulativeEffectChangeAccountingPrinciple" xlink:label="exc-og_IncomeBeforeMinorityInterestEarningsLossEquityInvestmentsCumulativeEffectChangeAccountingPrinciple"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_IncomeBeforeMinorityInterestEarningsLossEquityInvestmentsCumulativeEffectChangeAccountingPrinciple_lbl" xml:lang="en">Income before the percentage of a subsidiary's income not owned by the consolidating entity, net of taxes, Earnings Loss Equity Investments and the cumulative effect of change in accounting principle cumulative differences in income net of any tax effects.</label>
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    <loc xlink:type="locator" xlink:href="http://www.xbrl.org/us/fr/common/pte/2005-02-28/usfr-pte-2005-02-28.xsd#usfr-pte_IncomeLossContinuingOperations" xlink:label="usfr-pte_IncomeLossContinuingOperations"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="usfr-pte_IncomeLossContinuingOperations_lbl" xml:lang="en">Revenues and expenses after tax arising from the ongoing operations of the business.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="usfr-pte_IncomeLossContinuingOperations_lbl" xml:lang="en">Income from continuing operations</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="usfr-pte_IncomeLossContinuingOperationsBeforeIncomeTaxes_lbl" xml:lang="en">Sum of operating profit and non-operating income (expense).</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="usfr-pte_IncomeLossContinuingOperationsBeforeIncomeTaxes_lbl" xml:lang="en">Income from continuing operations before income taxes</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_IncomeLossDispositionDiscontinuedOperationsOtherPerOutstandingShare_lbl" xml:lang="en">Other Income/(Loss) from Disposition of Discontinued Operations Per Outstanding Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_IncomeLossDispositionDiscontinuedOperationsOtherPerOutstandingShare_lbl" xml:lang="en">Other Income (Loss) from Disposition of Discontinued Operations Per Outstanding Share</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_IncomeLossDispositionDiscontinuedOperationsPerBasicDilutedShare_lbl" xml:lang="en">Income/(Loss) from Disposition of Discontinued Operations Per Basic and Diluted Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_IncomeLossDispositionDiscontinuedOperationsPerBasicDilutedShare_lbl" xml:lang="en">Income (Loss) from Disposition of Discontinued Operations Per Basic and Diluted Share</label>
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    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_IncomeLossDuringPhaseOutPeriodPerBasicDilutedShare" xlink:label="exc-og_IncomeLossDuringPhaseOutPeriodPerBasicDilutedShare"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_IncomeLossDuringPhaseOutPeriodPerBasicDilutedShare_lbl" xml:lang="en">Gross income(loss) from disposing of a business segment that has been discontinued at year-end or will be discontinued shortly after year end - Per Basic and Diluted Share reported as a single line</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_IncomeLossDuringPhaseOutPeriodPerBasicDilutedShare_lbl" xml:lang="en">Income/(Loss) During Phase Out Period Per Basic and Diluted Share</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_IncomeLossDuringPhaseOutPeriodPerBasicDilutedShare_lbl" xml:lang="en">Income/(Loss) During Phase Out Period Per Basic and Diluted Share - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_IncomeLossDuringPhaseOutPeriodPerDilutedShare" xlink:label="exc-og_IncomeLossDuringPhaseOutPeriodPerDilutedShare"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_IncomeLossDuringPhaseOutPeriodPerDilutedShare_lbl" xml:lang="en">Gross income(loss) from disposing of a business segment that has been discontinued at year-end or will be discontinued shortly after year end - Per Diluted Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_IncomeLossDuringPhaseOutPeriodPerDilutedShare_lbl" xml:lang="en">Income/(Loss) During Phase Out Period Per Diluted Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_IncomeLossDuringPhaseOutPeriodPerDilutedShare_lbl" xml:lang="en">Income (Loss) During Phase Out Period Per Diluted Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_IncomeLossDuringPhaseOutPeriodPerDilutedShare_lbl" xml:lang="en">Income/(Loss) During Phase Out Period Per Diluted Share - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_IncomeLossDuringPhaseOutPeriodPerOutstandingShare" xlink:label="exc-og_IncomeLossDuringPhaseOutPeriodPerOutstandingShare"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_IncomeLossDuringPhaseOutPeriodPerOutstandingShare_lbl" xml:lang="en">Gross income(loss) from disposing of a business segment that has been discontinued at year-end or will be discontinued shortly after year end - Per Outstanding Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_IncomeLossDuringPhaseOutPeriodPerOutstandingShare_lbl" xml:lang="en">Income/(Loss) During Phase Out Period Per Outstanding Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_IncomeLossDuringPhaseOutPeriodPerOutstandingShare_lbl" xml:lang="en">Income (Loss) During Phase Out Period Per Outstanding Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_IncomeLossDuringPhaseOutPeriodPerOutstandingShare_lbl" xml:lang="en">Income/(Loss) During Phase Out Period Per Outstanding Share - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_IncomeLossExtraordinaryItemsNetTaxEffectPerBasicDilutedShare" xlink:label="exc-og_IncomeLossExtraordinaryItemsNetTaxEffectPerBasicDilutedShare"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_IncomeLossExtraordinaryItemsNetTaxEffectPerBasicDilutedShare_lbl" xml:lang="en">Income/(Loss) from Extraordinary Items, Net of Tax Effect, Per Basic and Diluted Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_IncomeLossExtraordinaryItemsNetTaxEffectPerBasicDilutedShare_lbl" xml:lang="en">Income (Loss) from Extraordinary Items, Net of Tax Effect</label>
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    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_IncomeLossOtherDispositionDiscontinuedOperationsOtherStockPerBasicDilutedShare" xlink:label="exc-og_IncomeLossOtherDispositionDiscontinuedOperationsOtherStockPerBasicDilutedShare"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="exc-og_IncomeLossOtherDispositionDiscontinuedOperationsOtherStockPerBasicDilutedShare_lbl" xml:lang="en">Income(Loss) from Disposition of Discontinued Operations for Other Stock (usually company stock) per Basic and Diluted Share.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_IncomeLossOtherDispositionDiscontinuedOperationsOtherStockPerBasicDilutedShare_lbl" xml:lang="en">Income Loss Other Disposition Discontinued Operations Other Stock Per Basic and Diluted Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_IncomeLossOtherDispositionDiscontinuedOperationsOtherStockPerBasicDilutedShare_lbl" xml:lang="en">Income Loss Other Disposition Discontinued Operations Other Stock Per Diluted Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_IncomeLossOtherDispositionDiscontinuedOperationsOtherStockPerBasicDilutedShare_lbl" xml:lang="en">Income Loss Other Disposition Discontinued Operations Other Stock Per Basic and Diluted Share - Total</label>
    <loc xlink:type="locator" xlink:href="exc-20071231.xsd#exc-og_IncomeLossOtherDispositionDiscontinuedOperationsOtherStockPerBasicShare" xlink:label="exc-og_IncomeLossOtherDispositionDiscontinuedOperationsOtherStockPerBasicShare"/>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="exc-og_IncomeLossOtherDispositionDiscontinuedOperationsOtherStockPerBasicShare_lbl" xml:lang="en">Income Loss Other Disposition Discontinued Operations Other Stock Per Basic Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_IncomeLossOtherDispositionDiscontinuedOperationsOtherStockPerBasicShare_lbl" xml:lang="en">Income Loss Other Disposition Discontinued Operations Other Stock Per Basic Share</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="exc-og_IncomeLossOtherDispositionDiscontinuedOperationsOtherStockPerBasicShare_lbl" xml:lang="en">Income Loss Other Disposition Discontinued Operations Other Stock Per Basic Share - Total</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="exc-og_IncomeLossOtherDispositionDiscontinuedOperationsOtherStockPerDilutedShare_lbl" xml:lang="en">Income Loss Other Disposition Discontinued Operations Other Stock Per Diluted Share</label>
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