Exhibit 12

TXU CORP.

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES,

AND RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERENCE DIVIDENDS



|                                                                                                                             |  |                                   |       |      |   |      |  |      |       |      |   |      |  |   |      
|---------------------------------------------------------------------------------------------------------------------------- |  | --------------------------------- | ----- | ---- | - | ---- |  | ---- | ----- | ---- | - | ---- |  | - | -----
|                                                                                                                             |  | Year Ended December 31,          
|                                                                                                                             |  | 2005                              |       | 2004 |   | 2003 |  | 2002 |       | 2001
|                                                                                                                             |  | Million of Dollars, Except Ratios
|EARNINGS:                                                                                                                    |  |                                   |       |      |   |      |  |      |       |      |   |      |  |   |      
|Income from continuing operations before extraordinary gain/(loss) and cumulative effect of changes in accounting principles |  | $                                 | 1,775 |      | $ | 81   |  | $    | 566   |      | $ | 105  |  | $ | 532  
|Add: Total federal income taxes                                                                                              |  |                                   | 632   |      |   | 42   |  |      | 252   |      |   | 77   |  |   | 216  
|Fixed charges (see detail below)                                                                                             |  |                                   | 856   |      |   | 761  |  |      | 859   |      |   | 763  |  |   | 838  
|Preferred dividends of subsidiaries                                                                                          |  |                                   | 3     |      |   | 2    |  |      | 5     |      |   | 9    |  |   | 10   
|                                                                                                                             |  |                                   |       |      |   |      |  |      |       |      |   |      |  |   |      
|Total earnings                                                                                                               |  | $                                 | 3,266 |      | $ | 886  |  | $    | 1,682 |      | $ | 954  |  | $ | 1,596
|                                                                                                                             |  |                                   |       |      |   |      |  |      |       |      |   |      |  |   |      
|                                                                                                                             |  |                                   |       |      |  
|FIXED CHARGES:                                                                                                               |  |                                   |       |      |   |      |  |      |       |      |   |      |  |   |      
|Interest expense                                                                                                             |  | $                                 | 817   |      | $ | 705  |  | $    | 791   |      |   | 696  |  | $ | 771  
|Rentals representative of the interest factor                                                                                |  |                                   | 39    |      |   | 56   |  |      | 68    |      |   | 67   |  |   | 67   
|                                                                                                                             |  |                                   |       |      |   |      |  |      |       |      |   |      |  |   |      
|Fixed charges deducted from earnings                                                                                         |  |                                   | 856   |      |   | 761  |  |      | 859   |      |   | 763  |  |   | 838  
|Preferred dividends of subsidiaries (pretax)*                                                                                |  |                                   | 4     |      |   | 3    |  |      | 7     |      |   | 16   |  |   | 14   
|                                                                                                                             |  |                                   |       |      |   |      |  |      |       |      |   |      |  |   |      
|Total fixed charges                                                                                                          |  |                                   | 860   |      |   | 764  |  |      | 866   |      |   | 779  |  |   | 852  
|                                                                                                                             |  |                                   |       |      |  
|Preference dividends of registrant (pretax)*                                                                                 |  |                                   | 14    |      |   | 33   |  |      | 32    |      |   | 38   |  |   | 31   
|                                                                                                                             |  |                                   |       |      |   |      |  |      |       |      |   |      |  |   |      
|                                                                                                                             |  |                                   |       |      |  
|Fixed charges and preference dividends                                                                                       |  | $                                 | 874   |      | $ | 797  |  | $    | 898   |      | $ | 817  |  | $ | 883  
|                                                                                                                             |  |                                   |       |      |   |      |  |      |       |      |   |      |  |   |      
|                                                                                                                             |  |                                   |       |      |  
|RATIO OF EARNINGS TO FIXED CHARGES                                                                                           |  |                                   | 3.80  |      |   | 1.16 |  |      | 1.94  |      |   | 1.22 |  |   | 1.87 
|                                                                                                                             |  |                                   |       |      |   |      |  |      |       |      |   |      |  |   |      
|                                                                                                                             |  |                                   |       |      |  
|RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERENCE DIVIDENDS                                                         |  |                                   | 3.74  |      |   | 1.11 |  |      | 1.87  |      |   | 1.17 |  |   | 1.81 
|                                                                                                                             |  |                                   |       |      |   |      |  |      |       |      |   |      |  |   |      



|* | Preferred/preference dividends multiplied by the ratio of pre-tax income to net income
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