| Exhibit                12(b)                                                                                                                                                                                                          |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| **PPL                ENERGY SUPPLY, LLC AND SUBSIDIARIES** **COMPUTATION                OF RATIO OF EARNINGS TO FIXED CHARGES**(Millions                of Dollars)                                                              |
|                                                                                                                                                                                                                                  |   |   |   |   |   |   |   |   |   |   |
|                                                                                                                                                                                                                                  |   | **2006** |   | **2005                (b)** |   | **2004                (b)** |   | **2003                (b)** |   | **2002                (b)** |
|                                                                                                                                                                                                                                  |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Fixed                charges, as defined:                                                                                                                                                                                             |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Interest                on long-term debt                                                                                                                                                                                             |   | **$** | **296** |   |   | $ | 259 |   |   | $ | 255 |   |   | $ | 149 |   |   | $ | 169 |   |
| Interest                on short-term debt and   other                interest                                                                                                                                              |   |   | **16** |   |   |   | 26 |   |   |   | 23 |   |   |   | 25 |   |   |   | 52 |   |
| Amortization                of debt discount,   expense                and premium - net                                                                                                                                    |   |   | **(1** | **)** |   |   | 7 |   |   |   | (6 | ) |   |   | 31 |   |   |   | 9 |   |
| Estimated                interest component of  operating                rentals                                                                                                                                            |   |   | **15** |   |   |   | 15 |   |   |   | 17 |   |   |   | 31 |   |   |   | 21 |   |
| Preferred                security distributions of   subsidiaries on a pre-tax                basis                                                                                                                         |   |   |   |   |   |   |   |   |   |   |   |   |   |   | 8 |   |   |   | 12 |   |
|                                                                                                                                                                                                                                  |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Total                fixed charges                                                                                                                                                                                                    |   | **$** | **326** |   |   | $ | 307 |   |   | $ | 289 |   |   | $ | 244 |   |   | $ | 263 |   |
|                                                                                                                                                                                                                                  |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Earnings,                as defined:                                                                                                                                                                                                  |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Net                income (a)                                                                                                                                                                                                         |   | **$** | **729** |   |   | $ | 610 |   |   | $ | 671 |   |   | $ | 731 |   |   | $ | 510 |   |
| Preferred                security dividend requirement                                                                                                                                                                                |   |   |   |   |   |   |   |   |   |   |   |   |   |   | 5 |   |   |   | 8 |   |
| Less                undistributed income (loss) of  equity                method investments                                                                                                                                |   |   | **(2** | **)** |   |   | (14 | ) |   |   | (13 | ) |   |   | (15 | ) |   |   | (22 | ) |
|                                                                                                                                                                                                                                  |   |   | **731** |   |   |   | 624 |   |   |   | 684 |   |   |   | 751 |   |   |   | 540 |   |
| Add:                                                                                                                                                                                                                                  |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Income                taxes                                                                                                                                                                                                           |   |   | **189** |   |   |   | 76 |   |   |   | 205 |   |   |   | 193 |   |   |   | 267 |   |
| Total                fixed charges as above   (excluding                capitalized interest   and                preferred security distributions of   subsidiaries                on a pre-tax basis) |   |   | **304** |   |   |   | 300 |   |   |   | 284 |   |   |   | 229 |   |   |   | 231 |   |
|                                                                                                                                                                                                                                  |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Total                earnings                                                                                                                                                                                                         |   | **$** | **1,224** |   |   | $ | 1,000 |   |   | $ | 1,173 |   |   | $ | 1,173 |   |   | $ | 1,038 |   |
|                                                                                                                                                                                                                                  |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Ratio                of earnings to fixed charges                                                                                                                                                                                     |   |   | **3.8** |   |   |   | 3.3 |   |   |   | 4.1 |   |   |   | 4.8 |   |   |   | 3.9 |   |

| (a) |   | Net                income excludes minority interest, loss from discontinued operations                and                the cumulative effects of changes in accounting                principles.                                                                                     |
|-----|--------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| (b) |   | Certain                line items have been revised due to the June 2006 sale of the 50%                ownership interest in the Griffith plant and the related reclassification                of prior period operating losses to "Loss from Discontinued                Operations." |