| Exhibit 12(b)                                                                                                                      |
|------------------------------------------------------------------------------------------------------------------------------------|
| PPL      ENERGY SUPPLY, LLC AND SUBSIDIARIES COMPUTATION      OF RATIO OF EARNINGS TO FIXED CHARGES(Millions      of Dollars) |
|                                                                                                                               |
|                                                                                                                               |   | 3      MonthsEndedMarch 31, |   | 12      Months Ended December 31, |
|                                                                                                                               |   | 2009 |   | 2008 |   | 2007 |   | 2006 |   | 2005 |   | 2004 |
| Earnings,      as defined:                                                                                                         |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Income      from Continuing Operations Before Income Taxes                                                                         |   | $ | 258 |   |   | $ | 1,109 |   |   | $ | 1,118 |   |   | $ | 866 |   |   | $ | 649 |   |   | $ | 851 |   |
| Less      earnings of equity method investments                                                                                    |   |   | 1 |   |   |   | 3 |   |   |   | 5 |   |   |   | 7 |   |   |   | 7 |   |   |   | 5 |   |
| Distributed      income from equity method investments                                                                             |   |   |   |   |   |   | 3 |   |   |   | 7 |   |   |   | 3 |   |   |   | 5 |   |   |   | 5 |   |
|                                                                                                                               |   |   | 257 |   |   |   | 1,109 |   |   |   | 1,120 |   |   |   | 862 |   |   |   | 647 |   |   |   | 851 |   |
|                                                                                                                               |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Total      fixed charges as below                                                                                                  |   |   | 78 |   |   |   | 390 |   |   |   | 388 |   |   |   | 326 |   |   |   | 307 |   |   |   | 289 |   |
| Less:                                                                                                                              |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Capitalized      interest                                                                                                          |   |   | 18 |   |   |   | 56 |   |   |   | 54 |   |   |   | 21 |   |   |   | 7 |   |   |   | 5 |   |
| Interest      expense related to discontinued operations                                                                           |   |   |   |   |   |   |   |   |   |   | 27 |   |   |   | 29 |   |   |   | 28 |   |   |   | 22 |   |
| Total      fixed charges included in Income from Continuing Operations Before Income      Taxes                                    |   |   | 60 |   |   |   | 334 |   |   |   | 307 |   |   |   | 276 |   |   |   | 272 |   |   |   | 262 |   |
|                                                                                                                               |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Total      earnings                                                                                                                |   | $ | 317 |   |   | $ | 1,443 |   |   | $ | 1,427 |   |   | $ | 1,138 |   |   | $ | 919 |   |   | $ | 1,113 |   |
|                                                                                                                               |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Fixed      charges, as defined:                                                                                                    |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Interest      on long-term debt                                                                                                    |   | $ | 66 |   |   | $ | 345 |   |   | $ | 353 |   |   | $ | 296 |   |   | $ | 259 |   |   | $ | 255 |   |
| Interest      on short-term debt and other interest                                                                           |   |   | 7 |   |   |   | 27 |   |   |   | 24 |   |   |   | 16 |   |   |   | 26 |   |   |   | 23 |   |
| Amortization      of debt discount, expense and premium - net                                                                 |   |   | 1 |   |   |   | 2 |   |   |   | (3 | ) |   |   | (1 | ) |   |   | 7 |   |   |   | (6 | ) |
| Estimated      interest component of operating rentals                                                                        |   |   | 4 |   |   |   | 15 |   |   |   | 14 |   |   |   | 15 |   |   |   | 15 |   |   |   | 17 |   |
| Fixed      charges of majority-owned share of 50% or less-owned    persons                                                         |   |   |   |   |   |   | 1 |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
|                                                                                                                               |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Total      fixed charges (a)                                                                                                       |   | $ | 78 |   |   | $ | 390 |   |   | $ | 388 |   |   | $ | 326 |   |   | $ | 307 |   |   | $ | 289 |   |
|                                                                                                                               |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Ratio      of earnings to fixed charges                                                                                            |   |   | 4.1 |   |   |   | 3.7 |   |   |   | 3.7 |   |   |   | 3.5 |   |   |   | 3.0 |   |   |   | 3.9 |   |

| (a) |   | Interest      on unrecognized tax benefits is not included in fixed    charges. |
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