| [X]            | QUARTERLY      REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF      1934 for the quarterly period ended March 31,      2008          |
|----------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------|
|           | OR                                                                                                                                                            |
| [       ] | TRANSITION      REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF      1934 for the transition period from _________ to    ___________ |

|   | Commission      FileNumber | Registrant;      State of Incorporation;Address and Telephone      Number                                                                                                                              | IRS      EmployerIdentification      No. |
|--------|----------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------|
|   |                       |                                                                                                                                                                                                   |                                     |
|   | 1-32944                    | PPL      Energy Supply, LLC(Exact      name of Registrant as specified in its charter)(Delaware)Two      North Ninth StreetAllentown,      PA  18101-1179(610)      774-5151                 | 23-3074920                               |
|   |                       |                                                                                                                                                                                                   |                                     |
|   | 1-905                      | PPL      Electric Utilities Corporation(Exact      name of Registrant as specified in its charter)(Pennsylvania)Two      North Ninth StreetAllentown,      PA  18101-1179(610)      774-5151 | 23-0959590                               |
|   |                       |                                                                                                                                                                                                   |                                     |
|   |                       |                                                                                                                                                                                                   |                                     |

|   | PPL      Energy Supply, LLC             | Yes       X    | No              |   |
|--------|-----------------------------------------|------------------------------------|----------------------------------------------------|--------|
|   | PPL      Electric Utilities Corporation | Yes       X    | No              |   |

|   |                                    | Large      accelerated filer     | Acceleratedfiler                 | Non-acceleratedfiler | Smaller      reportingcompany    |
|--------|-----------------------------------------|----------------------------------|----------------------------------|----------------------|----------------------------------|
|   | PPL      Energy Supply, LLC             | [     ] | [     ] | [ X      ]           | [     ] |
|   | PPL      Electric Utilities Corporation | [     ] | [     ] | [ X      ]           | [     ] |

|   | PPL      Energy Supply, LLC             | Yes              | No       X    |   |
|--------|-----------------------------------------|-----------------------------------------------------|-----------------------------------|--------|
|   | PPL      Electric Utilities Corporation | Yes              | No       X    |   |

----

|   | PPL      Energy Supply, LLC             | PPL      Corporation indirectly holds all of the membership interests in PPL Energy      Supply, LLC.                  |
|--------|-----------------------------------------|------------------------------------------------------------------------------------------------------------------------|
|   |                                    |                                                                                                                   |
|   | PPL      Electric Utilities Corporation | Common      stock, no par value, 66,368,056 shares outstanding and all held by PPL      Corporation at April 28, 2008. |

----

|                                                                                                                                          | Page                             |
|-----------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------|
|                                                                                                                                          |                             |   |
| EXPLANATORY      NOTE                                                                                                                         | 1                                |   |
|                                                                                                                                          |                             |   |
| PART      II.  OTHER INFORMATION                                                                                                    |                             |   |
|                                                                                                                                          | Item      6.  Exhibits | 1 |   |
|                                                                                                                                          |                             |   |
| SIGNATURES                                                                                                                                    | 2                                |   |
|                                                                                                                                          |                             |   |
| CERTIFICATES      OF PRINCIPAL EXECUTIVE OFFICER AND PRINCIPAL FINANCIALOFFICERPURSUANT      TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 |                             |   |
|                                                                                                                                          |                             |   | PPL Energy Supply,      LLC | 3 |   |
|                                                                                                                                          |                             |   | PPL Electric Utilities      Corporation | 5 |   |
|                                                                                                                                          |                             |   |

----

| Item      6.  Exhibits                                                                                                                                                                     |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                                                                                                                                                                                 |   |   |
| Certifications      pursuant to Section 302 of the Sarbanes-Oxley Act of 2002, for the      quarterly period ended March 31, 2008, filed by the following officers for      the following companies: |
|                                                                                                                                                                                                 |   |   |
| 31(c)                                                                                                                                                                                                | - | James      H. Miller for PPL Energy Supply, LLC |
| 31(d)                                                                                                                                                                                                | - | Paul      A. Farr for PPL Energy Supply, LLC |
| 31(e)                                                                                                                                                                                                | - | David      G. DeCampli for PPL Electric Utilities Corporation |
| 31(f)                                                                                                                                                                                                | - | J.      Matt Simmons, Jr. for PPL Electric Utilities  Corporation |

----

SIGNATURES

|                               | PPL Energy Supply,      LLC              |
|------------------------------------|------------------------------------------|
|                               | (Registrant)                             |   |
|                               |                                     |   |
|                               | PPL Electric Utilities      Corporation  |
|                               | (Registrant)                             |   |
|                               |                                     |   |
|                               |                                     |   |
|                               |                                     |   |
| Date:  May      30, 2008 | /s/  J.      Matt Simmons, Jr. |   |
|                               | J.      Matt Simmons, Jr.                |   |
|                               | Vice      President and Controller       |   |
|                               | (Principal      Accounting Officer)      |   |