Exhibit 12 (a)

ENERGY FUTURE HOLDINGS CORP.

COMPUTATION OF RATIO OF EARNINGS TO FIXED
CHARGES



|                                                                         |  |           |        |   |      |   |       |             |  |   |                                                     |   |  |   |        |   |                                                    |  |  |      |  |   |       |  |  |   |       | 
|------------------------------------------------------------------------ |  | --------- | ------ | - | ---- | - | ----- | ----------- |  | - | --------------------------------------------------- | - |  | - | ------ | - | -------------------------------------------------- |  |  | ---- |  | - | ----- |  |  | - | ----- | 
|                                                                         |  | Successor |        |   |      |   |       | Predecessor | 
|                                                                         |  | 2010      |        |   | 2009 |   |       | 2008        |  |   | Period fromOctober 11, 2007ThroughDecember 31, 2007 |   |  |   |        |   | Period
fromJanuary 1, 
2007throughOctober 10, 2007 |  |  | 2006 | 
|EARNINGS:                                                                |  |           |        |   |      |   |       |             |  |   |                                                     |   |  |   |        |   |                                                    |  |  |      |  |   |       |  |  |   |       | 
|Income (loss) from continuing operations                                 |  | $         | (2,812 | ) |      | $ | 408   |             |  | $ | (9,998                                              | ) |  | $ | (1,361 | ) |                                                    |  |  |      |  | $ | 699   |  |  | $ | 2,465 | 
|Subtract: Equity in earnings of unconsolidated subsidiaries (net of tax) |  |           | (277   | ) |      |   |      |             |  |   |                                                    |   |  |   |       |   |                                                    |  |  |      |  |   |      |  |  |   |      | 
|Add: Total federal income tax expense (benefit)                          |  |           | 389    |   |      |   | 367   |             |  |   | (471                                                | ) |  |   | (673   | ) |                                                    |  |  |      |  |   | 309   |  |  |   | 1,263 | 
|Fixed charges (see detail below)                                         |  |           | 3,646  |   |      |   | 3,225 |             |  |   | 5,280                                               |   |  |   | 905    |   |                                                    |  |  |      |  |   | 777   |  |  |   | 907   | 
|Distributed income of equity investees                                   |  |           | 169    |   |      |   |      |             |  |   |                                                    |   |  |   |       |   |                                                    |  |  |      |  |   |      |  |  |   |      | 
|                                                                         |  |           |        |   |      |   |       |             |  |   |                                                     |   |  |   |        |   |                                                    |  |  |      |  |   |       |  |  |   |       | 
|Total earnings (loss)                                                    |  | $         | 1,115  |   |      | $ | 4,000 |             |  | $ | (5,189                                              | ) |  | $ | (1,129 | ) |                                                    |  |  |      |  | $ | 1,785 |  |  | $ | 4,635 | 
|                                                                         |  |           |        |   |      |   |       |             |  |   |                                                     |   |  |   |        |   |                                                    |  |  |      |  |   |       |  |  |   |       | 
|                                                                         |  |           |        |   |      |   |      
|FIXED CHARGES:                                                           |  |           |        |   |      |   |       |             |  |   |                                                     |   |  |   |        |   |                                                    |  |  |      |  |   |       |  |  |   |       | 
|Interest expense                                                         |  | $         | 3,614  |   |      | $ | 3,190 |             |  | $ | 5,246                                               |   |  | $ | 899    |   |                                                    |  |  |      |  | $ | 750   |  |  | $ | 877   | 
|Rentals representative of the interest factor                            |  |           | 32     |   |      |   | 35    |             |  |   | 34                                                  |   |  |   | 6      |   |                                                    |  |  |      |  |   | 27    |  |  |   | 30    | 
|                                                                         |  |           |        |   |      |   |       |             |  |   |                                                     |   |  |   |        |   |                                                    |  |  |      |  |   |       |  |  |   |       | 
|Total fixed charges                                                      |  | $         | 3,646  |   |      | $ | 3,225 |             |  | $ | 5,280                                               |   |  | $ | 905    |   |                                                    |  |  |      |  | $ | 777   |  |  | $ | 907   | 
|                                                                         |  |           |        |   |      |   |       |             |  |   |                                                     |   |  |   |        |   |                                                    |  |  |      |  |   |       |  |  |   |       | 
|                                                                         |  |           |        |   |      |   |      
|RATIO OF EARNINGS TO FIXED CHARGES (a)                                   |  |           |       |   |      |   | 1.24  |             |  |   |                                                    |   |  |   |       |   |                                                    |  |  |      |  |   | 2.30  |  |  |   | 5.11  | 
|                                                                         |  |           |        |   |      |   |       |             |  |   |                                                     |   |  |   |        |   |                                                    |  |  |      |  |   |       |  |  |   |       | 



|(a) | Fixed charges exceeded earnings by $2.531 billion, $10.469 billion and $2.034 billion for the years ended December 31, 2010 and 2008 and for the period from
October 11, 2007 through December 31, 2007, respectively.
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