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|Public Service Company of New Hampshire                                                                                                                                     |   |                |                                  |         |   |         |   |         |   |         |   | Exhibit 12
|Ratio of Earnings to Fixed Charges                                                                                                                                          |   |                |                                  |         |   |         |   |         |   |         |   |           
|                                                                                                                                                                            |   |                |                                  |         |   |         |   |         |   |         |   |           
|                                                                                                                                                                            |   | Three Months   |                                  |         |   |         |   |         |   |         |   |           
|(Thousands of Dollars)                                                                                                                                                      |   | Ended          |                                  |         |   |         |   |         |   |         |   |           
|                                                                                                                                                                            |   | March 31, 2010 | For the Years Ended December 31, |         |  
|                                                                                                                                                                            |   | (unaudited)    |                                  | 2009    |   | 2008    |   | 2007    |   | 2006    |   | 2005      
|Earnings, as defined:                                                                                                                                                       |   |                |                                  |         |   |         |   |         |   |         |   |           
|Net income                                                                                                                                                                  | $ | 15,810         | $                                | 65,570  | $ | 58,067  | $ | 54,434  | $ | 35,323  | $ | 41,739    
|Income tax expense                                                                                                                                                          |   | 14,116         |                                  | 31,990  |   | 21,996  |   | 22,794  |   | 39,183  |   | 12,234    
|Equity in (earnings)/losses of regional nuclear                                                                                                                             |   |                |                                  |         |   |         |   |         |   |         |   |           
|generating companies                                                                                                                                                        |   | (6)            |                                  | (50)    |   | (62)    |   | (343)   |   | 74      |   | (230)     
|Dividends received from regional equity investees                                                                                                                           |   | -              |                                  | 220     |   | -       |   | 521     |   | 367     |   | 172       
|Fixed charges, as below                                                                                                                                                     |   | 13,987         |                                  | 51,227  |   | 54,597  |   | 50,637  |   | 50,092  |   | 49,751    
|Less: Interest capitalized (including AFUDC)                                                                                                                                |   | (1,175)        |                                  | (3,138) |   | (2,967) |   | (2,985) |   | (2,768) |   | (1,896)   
|Total earnings, as defined                                                                                                                                                  | $ | 42,732         | $                                | 145,819 | $ | 131,631 | $ | 125,058 | $ | 122,271 | $ | 101,770   
|                                                                                                                                                                            |   |                |                                  |         |   |         |   |         |   |         |   |           
|Fixed charges, as defined:                                                                                                                                                  |   |                |                                  |         |   |         |   |         |   |         |   |           
|Interest on long-term debt (a)                                                                                                                                              | $ | 9,512          | $                                | 33,045  | $ | 32,655  | $ | 26,029  | $ | 24,100  | $ | 20,481    
|Interest on rate reduction bonds                                                                                                                                            |   | 2,721          |                                  | 13,128  |   | 15,969  |   | 18,013  |   | 20,828  |   | 24,074    
|Other interest (b)                                                                                                                                                          |   | 179            |                                  | 316     |   | 1,539   |   | 2,243   |   | 829     |   | 1,733     
|Rental interest factor                                                                                                                                                      |   | 400            |                                  | 1,600   |   | 1,467   |   | 1,367   |   | 1,567   |   | 1,567     
|Interest capitalized (including AFUDC)                                                                                                                                      |   | 1,175          |                                  | 3,138   |   | 2,967   |   | 2,985   |   | 2,768   |   | 1,896     
|Total fixed charges, as defined                                                                                                                                             | $ | 13,987         | $                                | 51,227  | $ | 54,597  | $ | 50,637  | $ | 50,092  | $ | 49,751    
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|                                                                                                                                                                            |   |                |                                  |         |   |         |   |         |   |         |   |           
|Ratio of Earnings to Fixed Charges                                                                                                                                          |   | 3.06           |                                  | 2.85    |   | 2.41    |   | 2.47    |   | 2.44    |   | 2.05      
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|(a)
Interest on long-term debt amounts include amortized premiums, discounts and capitalized expenses related to indebtedness.                                              |   |                |                                 
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|(b)
For the three months ended March 31, 2010 and for the year ended December 31, 2009, other interest includes interest related to accounting for uncertain tax positions.