| Exhibit                12(a)                                                                                                                                                                                                          |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| **PPL                CORPORATION AND SUBSIDIARIES** **COMPUTATION                OF RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND****PREFERRED                STOCK DIVIDENDS**(Millions                of Dollars)            |
|                                                                                                                                                                                                                                  |   |   |   |   |   |   |   |   |   |   |
|                                                                                                                                                                                                                                  |   | **2006** |   | **     2005                (c)** |   | **     2004                (c)** |   | **     2003                (c)** |   | **    2002                (c)** |
|                                                                                                                                                                                                                                  |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Fixed                charges, as defined:                                                                                                                                                                                             |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Interest                on long-term debt                                                                                                                                                                                             |   | **$** | **482** |   |   | $ | 465 |   |   | $ | 491 |   |   | $ | 417 |   |   | $ | 486 |   |
| Interest                on short-term debt and   other                interest                                                                                                                                              |   |   | **13** |   |   |   | 29 |   |   |   | 20 |   |   |   | 25 |   |   |   | 70 |   |
| Amortization                of debt discount,   expense                and premium - net                                                                                                                                    |   |   | **11** |   |   |   | 23 |   |   |   | 8 |   |   |   | 41 |   |   |   | 25 |   |
| Estimated                interest component of   operating                rentals                                                                                                                                           |   |   | **29** |   |   |   | 32 |   |   |   | 34 |   |   |   | 45 |   |   |   | 38 |   |
| Preferred                security distributions of   subsidiaries on a pre-tax                basis                                                                                                                         |   |   | **24** |   |   |   | 5 |   |   |   | 5 |   |   |   | 45 |   |   |   | 79 |   |
|                                                                                                                                                                                                                                  |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Total                fixed charges                                                                                                                                                                                                    |   | **$** | **559** |   |   | $ | 554 |   |   | $ | 558 |   |   | $ | 573 |   |   | $ | 698 |   |
|                                                                                                                                                                                                                                  |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Earnings,                as defined:                                                                                                                                                                                                  |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Net                income (a)                                                                                                                                                                                                         |   | **$** | **896** |   |   | $ | 746 |   |   | $ | 718 |   |   | $ | 738 |   |   |   | 439 |   |
| Preferred                security dividend requirements                                                                                                                                                                               |   |   | **14** |   |   |   | 2 |   |   |   | 2 |   |   |   | 29 |   |   |   | 67 |   |
| Less                undistributed income (loss) of   equity                method investments                                                                                                                               |   |   | **(3** | **)** |   |   | (14 | ) |   |   | (14 | ) |   |   | (19 | ) |   |   | (23 | ) |
|                                                                                                                                                                                                                                  |   |   | **913** |   |   |   | 762 |   |   |   | 734 |   |   |   | 786 |   |   |   | 529 |   |
|                                                                                                                                                                                                                                  |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Add:                                                                                                                                                                                                                                  |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Income                taxes                                                                                                                                                                                                           |   |   | **275** |   |   |   | 122 |   |   |   | 201 |   |   |   | 178 |   |   |   | 211 |   |
| Total                fixed charges as above   (excluding                capitalized interest   and                preferred security distributions of   subsidiaries                on a pre-tax basis) |   |   | **511** |   |   |   | 540 |   |   |   | 547 |   |   |   | 521 |   |   |   | 598 |   |
|                                                                                                                                                                                                                                  |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Total                earnings                                                                                                                                                                                                         |   | **$** | **1,699** |   |   | $ | 1,424 |   |   | $ | 1,482 |   |   | $ | 1,485 |   |   | $ | 1,338 |   |
|                                                                                                                                                                                                                                  |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Ratio                of earnings to fixed charges                                                                                                                                                                                     |   |   | **3.0** |   |   |   | 2.6 |   |   |   | 2.7 |   |   |   | 2.6 |   |   |   | 1.9 |   |
|                                                                                                                                                                                                                                  |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Ratio                of earnings to combined fixed   charges                and preferred stock   dividends                (b)                                                                                    |   |   | **3.0** |   |   |   | 2.6 |   |   |   | 2.7 |   |   |   | 2.6 |   |   |   | 1.9 |   |

| (a) |   | Net                income excludes minority interest, loss from discontinued operations                and                the cumulative effects of changes in accounting                principles.                                                                                        |
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| (b) |   | PPL,                the parent holding company, does not have any preferred stock outstanding;                therefore, the ratio of earnings to combined fixed charges and preferred                stock dividends is the same as the ratio of earnings to fixed                charges. |
| (c) |   | 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."    |