|                                                                                                                                      |   |                    |   |                                  |   |         |   |         |   |         |   |           
|------------------------------------------------------------------------------------------------------------------------------------- | - | ------------------ | - | -------------------------------- | - | ------- | - | ------- | - | ------- | - | ----------
|Public Service Company of New Hampshire                                                                                               |   |                    |   |                                  |   |         |   |         |   |         |   | Exhibit 12
|Ratio of Earnings to Fixed Charges                                                                                                    |   |                    |   |                                  |   |         |   |         |   |         |   |           
|                                                                                                                                      |   |                    |   |                                  |   |         |   |         |   |         |   |           
|                                                                                                                                      |   | Nine Months        |   |                                  |   |         |   |         |   |         |   |           
|(Thousands of Dollars)                                                                                                                |   | Ended              |   |                                  |   |         |   |         |   |         |   |           
|                                                                                                                                      |   | September 30, 2009 |   | For the Years Ended December 31,
|                                                                                                                                      |   | (unaudited)        |   | 2008                             |   | 2007    |   | 2006    |   | 2005    |   | 2004      
|Earnings, as defined:                                                                                                                 |   |                    |   |                                  |   |         |   |         |   |         |   |           
|Net income                                                                                                                            | $ | 50,268             | $ | 58,067                           | $ | 54,434  | $ | 35,323  | $ | 41,739  | $ | 46,641    
|Income tax expense                                                                                                                    |   | 22,843             |   | 21,996                           |   | 22,794  |   | 39,183  |   | 12,234  |   | 12,993    
|Equity in (earnings)/losses of regional nuclear                                                                                       |   |                    |   |                                  |   |         |   |         |   |         |   |           
|generating companies                                                                                                                  |   | (42)               |   | (62)                             |   | (343)   |   | 74      |   | (230)   |   | (165)     
|Dividends received from regional equity investees                                                                                     |   | 220                |   | -                                |   | 521     |   | 367     |   | 172     |   | 614       
|Fixed charges, as below                                                                                                               |   | 38,229             |   | 54,597                           |   | 50,637  |   | 50,092  |   | 49,751  |   | 47,211    
|Less: Interest capitalized (including AFUDC)                                                                                          |   | (2,334)            |   | (2,967)                          |   | (2,985) |   | (2,768) |   | (1,896) |   | (272)     
|Total earnings, as defined                                                                                                            | $ | 109,184            | $ | 131,631                          | $ | 125,058 | $ | 122,271 | $ | 101,770 | $ | 107,022   
|                                                                                                                                      |   |                    |   |                                  |   |         |   |         |   |         |   |           
|Fixed charges, as defined:                                                                                                            |   |                    |   |                                  |   |         |   |         |   |         |   |           
|Interest on long-term debt (a)                                                                                                        | $ | 24,551             | $ | 32,655                           | $ | 26,029  | $ | 24,100  | $ | 20,481  | $ | 17,441    
|Interest on rate reduction bonds                                                                                                      |   | 10,210             |   | 15,969                           |   | 18,013  |   | 20,828  |   | 24,074  |   | 26,901    
|Other interest (b)                                                                                                                    |   | 34                 |   | 1,539                            |   | 2,243   |   | 829     |   | 1,733   |   | 1,197     
|Rental interest factor                                                                                                                |   | 1,100              |   | 1,467                            |   | 1,367   |   | 1,567   |   | 1,567   |   | 1,400     
|Interest capitalized (including AFUDC)                                                                                                |   | 2,334              |   | 2,967                            |   | 2,985   |   | 2,768   |   | 1,896   |   | 272       
|Total fixed charges, as defined                                                                                                       | $ | 38,229             | $ | 54,597                           | $ | 50,637  | $ | 50,092  | $ | 49,751  | $ | 47,211    
|                                                                                                                                      |   |                    |   |                                  |   |         |   |         |   |         |   |           
|                                                                                                                                      |   |                    |   |                                  |   |         |   |         |   |         |   |           
|Ratio of Earnings to Fixed Charges                                                                                                    |   | 2.86               |   | 2.41                             |   | 2.47    |   | 2.44    |   | 2.05    |   | 2.27      
|                                                                                                                                      |   |                    |   |                                  |   |         |   |         |   |         |   |           
|                                                                                                                                      |   |                    |   |                                  |   |         |   |         |   |         |   |           
|(a)
Interest on long-term debt amounts include amortized premiums, discounts and capitalized expenses related to indebtedness.        |   |                    |  
|                                                                                                                                      |   |                    |   |                                  |   |         |   |         |   |         |   |           
|(b)
For the nine months ended September 30, 2009, other interest includes interest related to accounting for uncertain tax positions.