Exhibit 12(f)
KENTUCKY UTILITIES COMPANY
COMPUTATION OF RATIO OF EARNINGS TO COMBINED FIXED CHARGES
(Millions of Dollars)
				Successor						Predecessor
				3 Months		Year		2 Months		10 Months
				Ended		Ended		Ended		Ended
				Mar. 31,		Dec. 31,		Dec. 31,		Oct. 31,			Year Ended December 31,
				2012		2011		2010		2010		2009		2008		2007
Earnings, as defined:
	Income Before Income Taxes			$	60	$	282	$	55	$	218	$	200	$	226	$	244
	Adjustment to reflect earnings from
		equity method investments on a cash
		basis			2		(1)				(4)		11				(5)
	Mark to market impact of derivative
		instruments											1		(1)
					62		281		55		214		212		225		239
	Total fixed charges as below				18		73		11		71		79		77		59
			Total earnings	$	80	$	354	$	66	$	285	$	291	$	302	$	298
Fixed charges, as defined:
	Interest charges (a)			$	17	$	70	$	10	$	69	$	76	$	74	$	57
	Estimated interest component of
	operating rentals				1		3		1		2		3		3		2
			Total fixed charges	$	18	$	73	$	11	$	71	$	79	$	77	$	59
Ratio of earnings to fixed charges					4.4		4.8		6.0		4.0		3.7		3.9		5.1

(a) Includes interest on long-term and short-term debt, as well as amortization of debt discount, expense and premium - net.