Exhibit 12(b)
PPL ENERGY SUPPLY, LLC AND SUBSIDIARIES COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (Millions of Dollars)
	3 Months Ended March 31,		Years Ended December 31,
	2010		2009		2008		2007			2006			2005
Earnings, as defined:
Income from Continuing Operations Before Income Taxes	$	312	$	334	$	1,085	$	1,095		$	841		$	619
Less earnings of equity method investments				2		1		3			5			5
Distributed income from equity method investments				2		1		5			3			5
		312		334		1,085		1,097			839			619
Total fixed charges as below		104		364		390		388			326			307
Less:
Capitalized interest		8		44		57		54			21			7
Interest expense related to discontinued operations				5		4		27			30			31
Total fixed charges included in Income from Continuing Operations Before Income Taxes		96		315		329		307			275			269
Total earnings	$	408	$	649	$	1,414	$	1,404		$	1,114		$	888
Fixed charges, as defined:
Interest on long-term debt	$	78	$	284	$	345	$	353		$	296		$	259
Interest on short-term debt and other interest		14		29		27		24			16			26
Amortization of debt discount, expense and premium - net		2		8		2		(3	)		(1	)		7
Estimated interest component of operating rentals		10		42		15		14			15			15
Fixed charges of majority-owned share of 50% or less-owned persons				1		1
Total fixed charges (a)	$	104	$	364	$	390	$	388		$	326		$	307
Ratio of earnings to fixed charges		3.9		1.8		3.6		3.6			3.4			2.9

(a) Interest on unrecognized tax benefits is not included in fixed charges.