Exhibit 12 (a)

ENERGY FUTURE HOLDINGS CORP.

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES,

AND RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERENCE DIVIDENDS



|                                                                                                                                    |  |                                            |        |   |                                                   |   |             |   |      |                                                |  |      |       |      |     |       |  |       |       |  |     |      |  |    
|----------------------------------------------------------------------------------------------------------------------------------- |  | ------------------------------------------ | ------ | - | ------------------------------------------------- | - | ----------- | - | ---- | ---------------------------------------------- |  | ---- | ----- | ---- | --- | ----- |  | ----- | ----- |  | --- | ---- |  | ---
|                                                                                                                                    |  | Successor                                  |        |   |                                                   |   | Predecessor
|                                                                                                                                    |  | 2008                                       |        |   | Period fromOctober 11,2007ThroughDecember 31,2007 |   |             |   |      | PeriodfromJanuary 1,2007throughOctober 10,2007 |  | 2006 |       | 2005 |     | 2004 
|EARNINGS:                                                                                                                           |  |                                            |        |   |                                                   |   |             |   |      |                                                |  |      |       |      |     |       |  |       |       |  |     |     
|Income (loss) from continuing operations before extraordinary gain/(loss) and cumulative effect of changes in accounting
principles |  | $                                          | (9,838 | ) |                                                   | $ | (1,361      | ) |      |                                                |  | $    | 699   |      | $   | 2,465 |  | $     | 1,775 |  | $   | 81  
|Add:                                                                                                                                |  | Total federal income tax expense (benefit) |        |   | (471                                              | ) |             |   | (673 | )                                              |  |      |       |      | 309 |       |  | 1,263 |       |  | 632 |      |  | 42 
|                                                                                                                                    |  | Fixed charges (see detail below)           |        |   | 5,280                                             |   |             |   | 905  |                                                |  |      |       |      | 777 |       |  | 907   |       |  | 856 |      |  | 761
|                                                                                                                                    |  | Preferred dividends of subsidiaries        |        |   |                                                  |   |             |   |     |                                                |  |      |       |      |    |       |  |      |       |  | 3   |      |  | 2  
|                                                                                                                                    |  |                                            |        |   |                                                   |   |             |   |      |                                                |  |      |       |      |     |       |  |       |       |  |     |      |  |    
|Total earnings (loss)                                                                                                               |  | $                                          | (5,029 | ) |                                                   | $ | (1,129      | ) |      |                                                |  | $    | 1,785 |      | $   | 4,635 |  | $     | 3,266 |  | $   | 886 
|                                                                                                                                    |  |                                            |        |   |                                                   |   |             |   |      |                                                |  |      |       |      |     |       |  |       |       |  |     |      |  |    
|                                                                                                                                    |  |                                            |        |   |                                                   |   |            
|FIXED CHARGES:                                                                                                                      |  |                                            |        |   |                                                   |   |             |   |      |                                                |  |      |       |      |     |       |  |       |       |  |     |     
|Interest expense                                                                                                                    |  | $                                          | 5,246  |   |                                                   | $ | 899         |   |      |                                                |  | $    | 750   |      | $   | 877   |  | $     | 817   |  | $   | 705 
|Rentals representative of the interest factor                                                                                       |  |                                            | 34     |   |                                                   |   | 6           |   |      |                                                |  |      | 27    |      |     | 30    |  |       | 39    |  |     | 56  
|                                                                                                                                    |  |                                            |        |   |                                                   |   |             |   |      |                                                |  |      |       |      |     |       |  |       |       |  |     |      |  |    
|Fixed charges deducted from earnings                                                                                                |  |                                            | 5,280  |   |                                                   |   | 905         |   |      |                                                |  |      | 777   |      |     | 907   |  |       | 856   |  |     | 761 
|Preferred dividends of subsidiaries (pretax) (a)                                                                                    |  |                                            |       |   |                                                   |   |            |   |      |                                                |  |      |      |      |     |      |  |       | 4     |  |     | 3   
|                                                                                                                                    |  |                                            |        |   |                                                   |   |             |   |      |                                                |  |      |       |      |     |       |  |       |       |  |     |      |  |    
|Total fixed charges                                                                                                                 |  |                                            | 5,280  |   |                                                   |   | 905         |   |      |                                                |  |      | 777   |      |     | 907   |  |       | 860   |  |     | 764 
|                                                                                                                                    |  |                                            |        |   |                                                   |   |            
|Preference dividends of registrant (pretax) (a)                                                                                     |  |                                            |       |   |                                                   |   |            |   |      |                                                |  |      |      |      |     |      |  |       | 14    |  |     | 33  
|                                                                                                                                    |  |                                            |        |   |                                                   |   |             |   |      |                                                |  |      |       |      |     |       |  |       |       |  |     |      |  |    
|                                                                                                                                    |  |                                            |        |   |                                                   |   |            
|Fixed charges and preference dividends                                                                                              |  | $                                          | 5,280  |   |                                                   | $ | 905         |   |      |                                                |  | $    | 777   |      | $   | 907   |  | $     | 874   |  | $   | 797 
|                                                                                                                                    |  |                                            |        |   |                                                   |   |             |   |      |                                                |  |      |       |      |     |       |  |       |       |  |     |      |  |    
|                                                                                                                                    |  |                                            |        |   |                                                   |   |            
|RATIO OF EARNINGS TO FIXED CHARGES (b)                                                                                              |  |                                            |       |   |                                                   |   |            |   |      |                                                |  |      | 2.30  |      |     | 5.11  |  |       | 3.80  |  |     | 1.16
|                                                                                                                                    |  |                                            |        |   |                                                   |   |             |   |      |                                                |  |      |       |      |     |       |  |       |       |  |     |      |  |    
|                                                                                                                                    |  |                                            |        |   |                                                   |   |            
|RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERENCE DIVIDENDS (b)                                                            |  |                                            |       |   |                                                   |   |            |   |      |                                                |  |      | 2.30  |      |     | 5.11  |  |       | 3.74  |  |     | 1.11
|                                                                                                                                    |  |                                            |        |   |                                                   |   |             |   |      |                                                |  |      |       |      |     |       |  |       |       |  |     |      |  |    



|(a) | Preferred/preference dividends multiplied by the ratio of pretax income to net income.
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|(b) | Fixed charges and combined fixed charges and preference dividends exceeded earnings by $10.309 billion and $2.034 billion for the year ended December 31, 2008 and for the
period from October 11, 2007 through December 31, 2007, respectively.
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