EXHIBIT 12a

PSEG POWER LLC
COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES

|                                                           |  |                           |       |      |   |       |   |      |       |      |   |      |   |   |      |  
|---------------------------------------------------------- |  | ------------------------- | ----- | ---- | - | ----- | - | ---- | ----- | ---- | - | ---- | - | - | ---- | -
|                                                           |  | For the Years Ended       |      
|                                                           |  |                           |      
|                                                           |  | December 31,              |      
|                                                           |  |                           |       |      |   |       |   |      |       |      |  
|                                                           |  | 2008                      |       | 2007 |   | 2006  |   | 2005 |       | 2004 |  
|                                                           |  |                           |       |      |   |       |   |      |       |      |  
|                                                           |  | (Millions, except Ratios) |      
|Earnings as Defined in Regulation S-K (A):                 |  |                           |       |      |   |       |   |      |       |      |   |      |   |   |      |  
|                                                           |  |                           |       |      |   |       |   |      |       |      |   |      |   |   |      |  
|Pre-tax Income from Continuing Operations                  |  | $                         | 1,711 |      | $ | 1,590 |   | $    | 878   |      | $ | 752  |   | $ | 594  |  
|Fixed Charges                                              |  |                           | 197   |      |   | 193   |   |      | 190   |      |   | 197  |   |   | 198  |  
|Capitalized Interest                                       |  |                           | (31   | )    |   | (23   | ) |      | (30   | )    |   | (89  | ) |   | (107 | )
|Preferred Stock Dividend Requirements                      |  |                           |      |      |   |      |   |      |      |      |   |     |   |   |     |  
|                                                           |  |                           |       |      |   |       |   |      |       |      |   |      |   |   |      |  
|                                                          
|Total Earnings                                             |  | $                         | 1,877 |      | $ | 1,760 |   | $    | 1,038 |      | $ | 860  |   | $ | 685  |  
|                                                           |  |                           |       |      |   |       |   |      |       |      |   |      |   |   |      |  
|                                                           |  |                           |       |      |   |       |   |      |       |      |   |      |   |   |      |  
|Fixed Charges as Defined in Regulation S-K (B)             |  |                           |       |      |   |       |   |      |       |      |   |      |   |   |      |  
|                                                           |  |                           |       |      |   |       |   |      |       |      |   |      |   |   |      |  
|Interest Expense                                           |  | $                         | 195   |      | $ | 192   |   | $    | 189   |      | $ | 195  |   | $ | 197  |  
|Preferred Securities Dividend Requirements of Subsidiaries |  |                           |      |      |   |      |   |      |      |      |   |     |   |   |     |  
|                                                           |  |                           |       |      |   |       |   |      |       |      |   |      |   |   |      |  
|Interest Factor in Rentals                                 |  |                           | 2     |      |   | 1     |   |      | 1     |      |   | 2    |   |   | 1    |  
|                                                           |  |                           |       |      |   |       |   |      |       |      |   |      |   |   |      |  
|Total Fixed Charges                                        |  | $                         | 197   |      | $ | 193   |   | $    | 190   |      | $ | 197  |   | $ | 198  |  
|                                                           |  |                           |       |      |   |       |   |      |       |      |   |      |   |   |      |  
|                                                           |  |                           |       |      |   |       |   |      |       |      |   |      |   |   |      |  
|Ratio of Earnings to Fixed Charges                         |  |                           | 9.53  |      |   | 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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