Exhibit 21

PPL Corporation

Subsidiairies of the Registrant

At December 31, 2010

Company Name	State or Jurisdiction of
Business Conducted under Same Name	Incorporation/Formation
LG&E and KU Energy LLC	Kentucky
Louisville Gas and Electric Company	Kentucky
Kentucky Utilities Company	Kentucky and Virginia
PPL Electric Utilities Corporation	Pennsylvania
PPL Energy Funding Corporation	Pennsylvania
PPL Energy Supply, LLC	Delaware
PPL Investment Corporation	Delaware
CEP Reserves, Inc.	Delaware
PPL EnergyPlus, LLC	Pennsylvania
PPL Generation, LLC	Delaware
PPL Brunner Island, LLC	Delaware
PPL Martins Creek, LLC	Delaware
PPL Montour, LLC	Delaware
PPL Susquehanna, LLC	Delaware
PPL Montana Holdings, LLC	Delaware
PPL Montana, LLC	Delaware
PPL Global, LLC	Delaware
PMDC International Holdings, Inc.	Delaware
PPL UK Holdings, LLC	Delaware
PPL UK Resources Limited	United Kingdom
Western Power Distribution Holdings Limited	United Kingdom