Exhibit 12(a)

ENERGY FUTURE COMPETITIVE HOLDINGS COMPANY

COMPUTATION OF RATIO OF
EARNINGS TO FIXED CHARGES,

AND RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERENCE DIVIDENDS



|                                                                                                                                    |  |                            |        |   |                            |   |       |                            |  |   |        |  
|----------------------------------------------------------------------------------------------------------------------------------- |  | -------------------------- | ------ | - | -------------------------- | - | ----- | -------------------------- |  | - | ------ | -
|                                                                                                                                    |  | Year EndedDecember 31,2010 |        |   | Year EndedDecember 31,2009 |   |       | Year EndedDecember 31,2008 | 
|EARNINGS:                                                                                                                           |  |                            |        |   |                            |   |       |                            |  |   |        |  
|Income (loss) from continuing operations before extraordinary gain/(loss) and cumulative effect of changes in accounting
principles |  | $                          | (3,530 | ) |                            | $ | 515   |                            |  | $ | (9,039 | )
|Add: Total federal income tax expense (benefit)                                                                                     |  |                            | 318    |   |                            |   | 351   |                            |  |   | (504   | )
|Fixed charges (see detail below)                                                                                                    |  |                            | 3,150  |   |                            |   | 2,420 |                            |  |   | 4,518  |  
|Preferred dividends of subsidiaries                                                                                                 |  |                            |       |   |                            |   |      |                            |  |   |       |  
|                                                                                                                                    |  |                            |        |   |                            |   |       |                            |  |   |        |  
|Total earnings (loss)                                                                                                               |  | $                          | (62    | ) |                            | $ | 3,286 |                            |  | $ | (5,025 | )
|                                                                                                                                    |  |                            |        |   |                            |   |       |                            |  |   |        |  
|FIXED CHARGES:                                                                                                                      |  |                            |        |   |                            |   |       |                            |  |   |        |  
|Interest expense                                                                                                                    |  | $                          | 3,127  |   |                            | $ | 2,395 |                            |  | $ | 4,492  |  
|Rentals representative of the interest factor                                                                                       |  |                            | 23     |   |                            |   | 25    |                            |  |   | 26     |  
|                                                                                                                                    |  |                            |        |   |                            |   |       |                            |  |   |        |  
|Fixed charges deducted from earnings                                                                                                |  |                            | 3,150  |   |                            |   | 2,420 |                            |  |   | 4,518  |  
|Preferred dividends of subsidiaries (pretax) (a)                                                                                    |  |                            |       |   |                            |   |      |                            |  |   |       |  
|                                                                                                                                    |  |                            |        |   |                            |   |       |                            |  |   |        |  
|Total fixed charges                                                                                                                 |  |                            | 3,150  |   |                            |   | 2,420 |                            |  |   | 4,518  |  
|                                                                                                                                    |  |                            |       
|Preference dividends of registrant (pretax) (a)                                                                                     |  |                            |       |   |                            |   |      |                            |  |   |       |  
|                                                                                                                                    |  |                            |        |   |                            |   |       |                            |  |   |        |  
|                                                                                                                                    |  |                            |       
|Fixed charges and preference dividends                                                                                              |  | $                          | 3,150  |   |                            | $ | 2,420 |                            |  | $ | 4,518  |  
|                                                                                                                                    |  |                            |        |   |                            |   |       |                            |  |   |        |  
|                                                                                                                                    |  |                            |       
|RATIO OF EARNINGS TO FIXED CHARGES (b)                                                                                              |  |                            |       |   |                            |   | 1.36  |                            |  |   |       |  
|                                                                                                                                    |  |                            |        |   |                            |   |       |                            |  |   |        |  
|                                                                                                                                    |  |                            |       
|RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERENCE DIVIDENDS (b)                                                            |  |                            |       |   |                            |   | 1.36  |                            |  |   |       |  
|                                                                                                                                    |  |                            |        |   |                            |   |       |                            |  |   |        |  



|(a) | Preferred/preference dividends multiplied by the ratio of pretax income to net income.
|--- | --------------------------------------------------------------------------------------

|(b) | For the years ended December 31, 2010 and 2008, fixed charges and combined fixed charges and preference dividends exceed earnings by $3.212 billion and $9.543
billion, respectively.
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