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  <InputFiles>
    <File>efh-20140930.xml</File>
    <File>efh-20140930.xsd</File>
    <File>efh-20140930_cal.xml</File>
    <File>efh-20140930_def.xml</File>
    <File>efh-20140930_lab.xml</File>
    <File>efh-20140930_pre.xml</File>
  </InputFiles>
  <SupplementalFiles />
  <BaseTaxonomies />
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
