The Connecticut Light and Power Company

Exhibit 12

Ratio of Earnings to Fixed Charges

(Unaudited)

(Thousands of Dollars)

Six Months

Ended

For the Years Ended December 31,

June 30, 2012

2011

2010

2009

2008

2007 

Earnings, as defined:

   Net income

$

 60,918 

$

 250,164 

$

 244,143 

$

 216,316 

$

 191,158 

$

 133,564 

   Income tax expense

 29,796 

 90,033 

 132,438 

 118,847 

 77,852 

 52,353 

   Equity in earnings of regional nuclear

     generating companies

 (20)

 (16)

 (134)

 (282)

 (366)

 (1,901)

   Dividends received from regional equity investees

- 

 - 

 440 

 1,520 

 - 

 2,596 

   Fixed charges, as below

 70,923 

 140,311 

 145,297 

 163,887 

 165,170 

 155,557 

   Less: Interest capitalized (including AFUDC)

 (1,511)

 (3,317)

 (2,726)

 (2,203)

 (12,991)

 (10,924)

Total earnings, as defined

$

 160,106 

$

 477,175 

$

 519,458 

$

 498,085 

$

 420,823 

$

 331,245 

Fixed charges, as defined:

   Interest on long-term debt (a)

$

 63,218 

$

 131,918 

$

 134,553 

$

 133,422 

$

 104,954 

$

 84,292 

   Interest on rate reduction bonds

 - 

 - 

 7,542 

 19,061 

 29,129 

 37,728 

   Other interest (b)

 4,060 

 809 

 (4,357)

 3,334 

 12,163 

 16,413 

   Rental interest factor

 2,134 

 4,267 

 4,833 

 5,867 

 5,933 

 6,200 

   Interest capitalized (including AFUDC)

 1,511 

 3,317 

 2,726 

 2,203 

 12,991 

 10,924 

 Total fixed charges, as defined

$

 70,923 

$

 140,311 

$

 145,297 

$

 163,887 

$

 165,170 

$

 155,557 

Ratio of Earnings to Fixed Charges

 2.26 

 3.40 

 3.58 

 3.04 

 2.55 

 2.13 

(a) Interest on long-term debt includes amortized premiums, discounts and capitalized expenses related to indebtedness.

(b) For all periods presented, other interest includes interest related to accounting for uncertain tax positions.