NSTAR Electric Company										Exhibit 12
Ratio of Earnings to Fixed Charges
(Thousands of Dollars)
	For the Years Ended December 31,
		2013		2012		2011		2010		2009
Earnings, as defined:
Net income	$	268,546	$	190,242	$	252,494	$	248,575	$	240,691
Income tax expense		172,866		123,966		165,686		162,020		151,224
Equity in earnings of regional nuclear
generating and transmission companies		(550)		(412)		(501)		(836)		(891)
Dividends received from regional equity investees		344		286		676		669		1,661
Fixed charges, as below		73,115		72,364		76,219		77,902		84,826
Less: Interest capitalized (including AFUDC) (b)		(511)		(259)		(185)		(108)		76
Total earnings, as defined	$	513,810	$	386,187	$	494,389	$	488,222	$	477,587
Fixed charges, as defined:
Interest on long-term debt (a) (b)	$	79,088	$	87,100	$	90,040	$	90,630	$	83,261
Interest on rate reduction bonds (b)		399		3,585		7,226		11,235		18,833
Other interest (b) (c)		(9,104)		(20,631)		(27,839)		(30,475)		(24,519)
Rental interest factor		2,221		2,051		6,607		6,404		7,327
Interest capitalized (including AFUDC) (b)		511		259		185		108		(76)
Total fixed charges, as defined	$	73,115	$	72,364	$	76,219	$	77,902	$	84,826
Ratio of Earnings to Fixed Charges		7.03		5.34		6.49		6.27		5.63
(a) Interest on long-term debt includes amortized premiums, discounts and capitalized expenses related to indebtedness.
(b) Prior period amounts have been reclassified for comparative purposes and in order to conform to NU's presentation.
(c) For the years ended December 31, 2011, 2010 and 2009, other interest includes interest related to accounting for uncertain tax positions.