Montville Power S-3ASR Automatic shelf registration

Exhibit 12.1

NRG Energy, Inc.
Calculation of Ratio of Earnings to Fixed Charges

	For the Year Ended December 31,
	2008			2007			2006			2005			2004
				(In millions except ratio)
Earnings:
Income from continuing operations before income tax	$	1,729		$	946		$	865		$	110		$	232
Minority interest in earnings		(1	)		—			—			—			—
Less:
Undistributed equity in earning of unconsolidated affiliates		(44	)		(33	)		(33	)		(8	)		(1	)
Capitalized interest		(45	)		(11	)		(5	)		—			—
Add:
Fixed charges		671			702			599			180			249
Amortization of capitalized interest		1			—			—			—			—
Total Earnings:	$	2,311		$	1,604		$	1,426		$	282		$	480
Fixed Charges:
Interest expense	$	591		$	657		$	562		$	166		$	222
Interest capitalized		45			11			5			—			—
Amortization of debt issuance costs		22			26			22			6			9
Amortization of debt discount/(premiums)		7			6			6			5			14
Approximation of interest in rental expense		6			2			4			3			4
Total Fixed Charges:	$	671		$	702		$	599		$	180		$	249
Ratio of Earnings to Combined Fixed Charges		3.44			2.28			2.38			1.57			1.93