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 from October 11, 2007 through December 31, 2007			Period from January 1, 2007 through October 10, 2007		2006		2005		2004
		(millions of dollars, except ratios)
EARNINGS:
Income (loss) from continuing operations before extraordinary gain/(loss) and cumulative effect of changes in accounting principles		$	(9,998	)	$	(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)		$	(5,189	)	$	(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.

(b) Fixed charges and combined fixed charges and preference dividends exceeded earnings by $10.469 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.

		Successor
		Six Months Ended June 30,
		2009		2008
		(millions of dollars, except ratios)
EARNINGS:
Net income (loss)		$	315	$	(4,600	)
Add:	Total federal income tax expense (benefit)		285		(2,463	)
	Fixed charges (see detail below)		1,290		1,840
	Preferred dividends of subsidiaries		—		—
Total earnings (loss)		$	1,890	$	(5,223	)
FIXED CHARGES:
Interest expense		$	1,273	$	1,823
Rentals representative of the interest factor			17		17
Fixed charges deducted from earnings			1,290		1,840
Preferred dividends of subsidiaries (pretax) (a)			—		—
Total fixed charges			1,290		1,840
Preference dividends of registrant (pretax) (a)			—		—
Fixed charges and preference dividends		$	1,290	$	1,840
RATIO OF EARNINGS TO FIXED CHARGES (b)			1.47		—
RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERENCE DIVIDENDS (b)			1.47		—

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

(b) Fixed charges and combined fixed charges and preference dividends exceeded earnings by $7.063 billion for the six months ended June 30, 2008.