| Exhibit 12(b)                                                                                                                      |
|------------------------------------------------------------------------------------------------------------------------------------|
| PPL      ENERGY SUPPLY, LLC AND SUBSIDIARIES COMPUTATION      OF RATIO OF EARNINGS TO FIXED CHARGES(Millions      of Dollars) |
|                                                                                                                               |
|                                                                                                                               |   | Six      Months Ended June 30, |   | Years      Ended December 31, |
|                                                                                                                               |   | 2009 |   | 2008      (b) |   | 2007      (b) |   | 2006      (b) |   | 2005      (b) |   | 2004      (b) |
| Earnings,      as defined:                                                                                                         |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Income      from Continuing Operations Before Income Taxes                                                                         |   | $ | 213 |   |   | $ | 1,084 |   |   | $ | 1,095 |   |   | $ | 841 |   |   | $ | 619 |   |   | $ | 825 |   |
| Less      earnings of equity method investments                                                                                    |   |   | 2 |   |   |   | 3 |   |   |   | 5 |   |   |   | 7 |   |   |   | 7 |   |   |   | 5 |   |
| Distributed      income from equity method investments                                                                             |   |   | 2 |   |   |   | 3 |   |   |   | 7 |   |   |   | 3 |   |   |   | 5 |   |   |   | 5 |   |
|                                                                                                                               |   |   | 213 |   |   |   | 1,084 |   |   |   | 1,097 |   |   |   | 837 |   |   |   | 617 |   |   |   | 825 |   |
|                                                                                                                               |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Total      fixed charges as below                                                                                                  |   |   | 166 |   |   |   | 390 |   |   |   | 388 |   |   |   | 326 |   |   |   | 307 |   |   |   | 289 |   |
| Less:                                                                                                                              |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Capitalized      interest                                                                                                          |   |   | 27 |   |   |   | 56 |   |   |   | 54 |   |   |   | 21 |   |   |   | 7 |   |   |   | 5 |   |
| Interest      expense related to discontinued operations                                                                           |   |   | 2 |   |   |   | 4 |   |   |   | 29 |   |   |   | 30 |   |   |   | 31 |   |   |   | 24 |   |
| Total      fixed charges included in Income from Continuing Operations Before Income      Taxes                                    |   |   | 137 |   |   |   | 330 |   |   |   | 305 |   |   |   | 275 |   |   |   | 269 |   |   |   | 260 |   |
|                                                                                                                               |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Total      earnings                                                                                                                |   | $ | 350 |   |   | $ | 1,414 |   |   | $ | 1,402 |   |   | $ | 1,112 |   |   | $ | 886 |   |   | $ | 1,085 |   |
|                                                                                                                               |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Fixed      charges, as defined:                                                                                                    |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Interest      on long-term debt                                                                                                    |   | $ | 133 |   |   | $ | 345 |   |   | $ | 353 |   |   | $ | 296 |   |   | $ | 259 |   |   | $ | 255 |   |
| Interest      on short-term debt and other interest                                                                           |   |   | 15 |   |   |   | 27 |   |   |   | 24 |   |   |   | 16 |   |   |   | 26 |   |   |   | 23 |   |
| Amortization      of debt discount, expense and premium - net                                                                 |   |   | 4 |   |   |   | 2 |   |   |   | (3 | ) |   |   | (1 | ) |   |   | 7 |   |   |   | (6 | ) |
| Estimated      interest component of operating rentals                                                                        |   |   | 13 |   |   |   | 15 |   |   |   | 14 |   |   |   | 15 |   |   |   | 15 |   |   |   | 17 |   |
| Fixed      charges of majority-owned share of 50% or less-owned    persons                                                         |   |   | 1 |   |   |   | 1 |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|                                                                                                                               |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Total      fixed charges (a)                                                                                                       |   | $ | 166 |   |   | $ | 390 |   |   | $ | 388 |   |   | $ | 326 |   |   | $ | 307 |   |   | $ | 289 |   |
|                                                                                                                               |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Ratio      of earnings to fixed charges                                                                                            |   |   | 2.1 |   |   |   | 3.6 |   |   |   | 3.6 |   |   |   | 3.4 |   |   |   | 2.9 |   |   |   | 3.8 |   |

| (a) |   | Interest      on unrecognized tax benefits is not included in fixed    charges.                                                                                                                                                                                                              |
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| (b) |   | Certain      line items have been revised due to the expected sales of the Long Island      generation business and the Maine hydroelectric generation business and      the related reclassification of prior period operating results to "Income      (Loss) from DiscontinuedOperations." |