EXHIBIT 12.1

PSEG POWER LLCCOMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES

|                                               |  | For the Three             |   |                     |      |      |  |        |   |      |        |      |  |      |   |  |     
|---------------------------------------------- |  | ------------------------- | - | ------------------- | ---- | ---- |  | ------ | - | ---- | ------ | ---- |  | ---- | - |  | ----
|                                               |  | Months Ended              |   | For the Years Ended
|                                               |  | March 31,                 |   | December 31,       
|                                               |  | 2008                      |   | 2007                |      | 2007 |  | 2006   |   | 2005 |        | 2004 |  | 2003
|                                               |  | (Millions, except ratios)
|Earnings as Defined in Regulation S-K (A):     |  |                           |   |                     |      |      |  |        |   |      |        |      |  |      |   |  |     
|                                              
|Pre-tax Income from Continuing Operations      |  | $462                      |   |                     | $374 |      |  | $1,590 |   |      | $878   |      |  | $752 |   |  | $594
|Fixed Charges                                  |  | 52                        |   |                     | 43   |      |  | 193    |   |      | 190    |      |  | 197  |   |  | 198 
|Capitalized Interest                           |  | (7                        | ) |                     | (3   | )    |  | (23    | ) |      | (30    | )    |  | (89  | ) |  | (107
|Preferred Stock Dividend Requirements          |  |                          |   |                     |     |      |  |       |   |      |       |      |  |     |   |  |    
|                                              
|Total Earnings                                 |  | $507                      |   |                     | $414 |      |  | $1,760 |   |      | $1,038 |      |  | $860 |   |  | $685
|                                              
|Fixed Charges as Defined in Regulation S-K (B) |  |                           |   |                     |      |      |  |        |   |      |        |      |  |      |   |  |     
|                                              
|                                              
|Interest Expense                               |  | $52                       |   |                     | $43  |      |  | $192   |   |      | $189   |      |  | $195 |   |  | $197
|Preferred Securities Dividend Requirements of  |  |                           |   |                     |      |      |  |        |   |      |        |      |  |      |   |  |     
|Subsidiaries                                   |  |                          |   |                     |     |      |  |       |   |      |       |      |  |     |   |  |    
|                                              
|Interest Factor in Rentals                     |  |                          |   |                     |     |      |  | 1      |   |      | 1      |      |  | 2    |   |  | 1   
|                                              
|Total Fixed Charges                            |  | $52                       |   |                     | $43  |      |  | $193   |   |      | $190   |      |  | $197 |   |  | $198
|                                              
|                                              
|Ratio of Earnings to Fixed Charges             |  | 9.75                      |   |                     | 9.63 |      |  | 9.12   |   |      | 5.46   |      |  | 4.37 |   |  | 3.46

|(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.
|--- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|    |                                                                                                                                                                                                                                       
|(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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