| Exhibit      99(a)                                                        |
|---------------------------------------------------------------------------|
|                                                                      |
| PPL Corporation -      Corporate Organization(Selected      Subsidiaries) |
| PPL      Corporation                                                      |
|                                                                      |   | PPL      Electric Utilities Corporation |
|                                                                      | PPL      Transition Bond Company, LLC |
|                                                                      | PPL      Receivables Corporation |
|                                                                      | CEP      Commerce, LLC |
|                                                                      |   |   | CEP      Lending, Inc. |
|                                                                      |   | PPL      Gas Utilities Corporation |
|                                                                      |   | PPL      Services Corporation |
|                                                                      |   | PPL      Capital Funding, Inc. |
|                                                                      |   | PPL      Properties, Inc. |
|                                                                      |   | PPL      Power Insurance Ltd. |
|                                                                      |   | PPL      Energy Funding Corporation |
|                                                                      | CEP      Reserves, Inc. |
|                                                                      | PPLSolutions,      LLC |
|                                                                      | PPL      Energy Supply, LLC |
|                                                                      |   |   | PPL      Investment Corporation |
|                                                                      |   |   | PPL      Global, LLC |
|                                                                      |   |   |   | PMDC      International Holdings, Inc. (includes      WPD) |
|                                                                      |   |   | PPL      EnergyPlus, LLC |
|                                                                      |   |   |   | PPL      Energy Services Group, LLC |
|                                                                      |   |   |   |   | PPL Land      Holdings, LLC |
|                                                                      |   |   |   |   | PPL      Energy Services Holdings, LLC |
|                                                                      |   |   |   | PPL Treasure State,      LLC |
|                                                                      |   |   | PPL      Generation, LLC |
|                                                                      |   |   |   | Lower      Mount Bethel Energy, LLC |
|                                                                      |   |   |   | PPL Brunner Island,      LLC |
|                                                                      |   |   |   |   | PPL      Rights, LLC (jointly      owned by PPL Brunner Island (67%) and PPL Martins Creek      (33%)) |
|                                                                      |   |   |   | PPL      Edgewood Energy, LLC |
|                                                                      |   |   |   | PPL      Holtwood, LLC |
|                                                                      |   |   |   | PPL      Interstate Energy Company |
|                                                                      |   |   |   | PPL      Maine, LLC |
|                                                                      |   |   |   | PPL      Martins Creek, LLC |
|                                                                      |   |   |   | PPL      Midwest Holdings, LLC (includes PPL University Park,    LLC) |
|                                                                      |   |   |   | PPL      Montana Holdings, LLC (includes PPL Montana,  LLC) |
|                                                                      |   |   |   | PPL      Montour, LLC |
|                                                                      |   |   |   | PPL      Nuclear Development, LLC |
|                                                                      |   |   |   | PPL      Renewable Energy, LLC |
|                                                                      |   |   |   | PPL      Shoreham Energy, LLC |
|                                                                      |   |   |   | PPL      Susquehanna, LLC |
|                                                                      |   |   |   | PPL      Wallingford Energy LLC |