EXHIBIT 12.1

PSEG POWER LLC

COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES



|                                               |  |                                  |       |   |                                  |   |       |                           |  |   |       |   |  |      |       |   |      |   |       |      |  |   |       |   |  |   |      |  
|---------------------------------------------- |  | -------------------------------- | ----- | - | -------------------------------- | - | ----- | ------------------------- |  | - | ----- | - |  | ---- | ----- | - | ---- | - | ----- | ---- |  | - | ----- | - |  | - | ---- | -
|                                               |  | For the Six MonthsEnded
June 30, |       |   | For the Years Ended December 31, |  
|                                               |  | 2010                             |       |   | 2009                             |   |       | 2009                      |  |   | 2008  |   |  | 2007 |       |   | 2006 |   |       | 2005 | 
|                                               |  |                                  |       |   |                                  |   |       | (Millions, except ratios) | 
|Earnings as Defined in Regulation S-K (A):     |  |                                  |       |   |                                  |   |       |                           |  |   |       |   |  |      |       |   |      |   |       |      |  |   |       |   |  |   |      |  
|Pre-tax Income from Continuing Operations      |  | $                                | 960   |   |                                  | $ | 924   |                           |  | $ | 1,958 |   |  | $    | 1,814 |   |      | $ | 1,676 |      |  | $ | 1,008 |   |  | $ | 803  |  
|Fixed Charges                                  |  |                                  | 114   |   |                                  |   | 107   |                           |  |   | 212   |   |  |      | 226   |   |      |   | 209   |      |  |   | 207   |   |  |   | 213  |  
|Capitalized Interest                           |  |                                  | (30   | ) |                                  |   | (18   | )                         |  |   | (43   | ) |  |      | (32   | ) |      |   | (23   | )    |  |   | (30   | ) |  |   | (89  | )
|                                               |  |                                  |       |   |                                  |   |       |                           |  |   |       |   |  |      |       |   |      |   |       |      |  |   |       |   |  |   |      |  
|Total Earnings                                 |  | $                                | 1,044 |   |                                  | $ | 1,013 |                           |  | $ | 2,127 |   |  | $    | 2,008 |   |      | $ | 1,862 |      |  | $ | 1,185 |   |  | $ | 927  |  
|                                               |  |                                  |       |   |                                  |   |       |                           |  |   |       |   |  |      |       |   |      |   |       |      |  |   |       |   |  |   |      |  
|Fixed Charges as Defined in Regulation S-K (B) |  |                                  |       |   |                                  |   |       |                           |  |   |       |   |  |      |       |   |      |   |       |      |  |   |       |   |  |   |      |  
|Interest Expense                               |  | $                                | 112   |   |                                  | $ | 106   |                           |  | $ | 210   |   |  | $    | 224   |   |      | $ | 208   |      |  | $ | 206   |   |  | $ | 211  |  
|Interest Factor in Rentals                     |  |                                  | 2     |   |                                  |   | 1     |                           |  |   | 2     |   |  |      | 2     |   |      |   | 1     |      |  |   | 1     |   |  |   | 2    |  
|                                               |  |                                  |       |   |                                  |   |       |                           |  |   |       |   |  |      |       |   |      |   |       |      |  |   |       |   |  |   |      |  
|Total Fixed Charges                            |  | $                                | 114   |   |                                  | $ | 107   |                           |  | $ | 212   |   |  | $    | 226   |   |      | $ | 209   |      |  | $ | 207   |   |  | $ | 213  |  
|                                               |  |                                  |       |   |                                  |   |       |                           |  |   |       |   |  |      |       |   |      |   |       |      |  |   |       |   |  |   |      |  
|Ratio of Earnings to Fixed Charges             |  |                                  | 9.16  |   |                                  |   | 9.47  |                           |  |   | 10.03 |   |  |      | 8.88  |   |      |   | 8.91  |      |  |   | 5.72  |   |  |   | 4.35 |  



|(A) | The term earnings shall be defined as pre-tax Income from Continuing Operations. Add to pre-tax income the amount of fixed charges adjusted to exclude the
amount of any interest capitalized during the period.
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|(B) | Fixed Charges represent (a) interest, whether expensed or capitalized, (b) amortization of debt discount, premium and expense and (c) an estimate of
interest implicit in rentals.
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