EXHIBIT 12a

PSEG POWER LLC
COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES

|                                                            |  |                     |       |      |   |       |   |      |      |      |   |      |   |   |      |  
|----------------------------------------------------------- |  | ------------------- | ----- | ---- | - | ----- | - | ---- | ---- | ---- | - | ---- | - | - | ---- | -
|                                                            |  | For the Years Ended |      
|                                                            |  |                     |      
|                                                            |  | December 31,        |      
|                                                            |  |                     |      
|                                                            |  | 2007                |       | 2006 |   | 2005  |   | 2004 |      | 2003 |  
|                                                            |  |                     |      
|                                                            |  |                     |       |      |   |       |   |      |      |      |   |      |   |   |      |  
|Earnings as Defined in
 Regulation S-K (A):                 |  |                     |       |      |   |       |   |      |      |      |   |      |   |   |      |  
|                                                            |  |                     |       |      |   |       |   |      |      |      |   |      |   |   |      |  
|Pre-tax Income from
 Continuing Operations                  |  | $                   | 1,590 |      | $ | 878   |   | $    | 752  |      | $ | 594  |   | $ | 815  |  
|Fixed Charges                                               |  |                     | 193   |      |   | 190   |   |      | 197  |      |   | 198  |   |   | 219  |  
|Capitalized Interest                                        |  |                     | (23   | )    |   | (30   | ) |      | (89  | )    |   | (107 | ) |   | (106 | )
|Preferred Stock Dividend
 Requirements                      |  |                     |      |      |   |      |   |      |     |      |   |     |   |   |     |  
|                                                            |  |                     |       |      |   |       |   |      |      |      |   |      |   |   |      |  
|                                                            |  |                     |      
|Total Earnings                                              |  | $                   | 1,760 |      | $ | 1,038 |   | $    | 860  |      | $ | 685  |   | $ | 928  |  
|                                                            |  |                     |       |      |   |       |   |      |      |      |   |      |   |   |      |  
|                                                            |  |                     |       |      |   |       |   |      |      |      |   |      |   |   |      |  
|Fixed Charges as Defined in
 Regulation S-K (B)             |  |                     |       |      |   |       |   |      |      |      |   |      |   |   |      |  
|                                                            |  |                     |       |      |   |       |   |      |      |      |   |      |   |   |      |  
|Interest Expense                                            |  | $                   | 192   |      | $ | 189   |   | $    | 195  |      | $ | 197  |   | $ | 217  |  
|Preferred Securities
 Dividend Requirements of Subsidiaries |  |                     |      |      |   |      |   |      |     |      |   |     |   |   |     |  
|Interest Factor in Rentals                                  |  |                     | 1     |      |   | 1     |   |      | 2    |      |   | 1    |   |   | 2    |  
|                                                            |  |                     |       |      |   |       |   |      |      |      |   |      |   |   |      |  
|                                                            |  |                     |       |      |   |       |   |      |      |      |   |      |   |   |      |  
|Total Fixed Charges                                         |  | $                   | 193   |      | $ | 190   |   | $    | 197  |      | $ | 198  |   | $ | 219  |  
|                                                            |  |                     |       |      |   |       |   |      |      |      |   |      |   |   |      |  
|                                                            |  |                     |       |      |   |       |   |      |      |      |   |      |   |   |      |  
|Ratio of Earnings to Fixed
 Charges                         |  |                     | 9.12  |      |   | 5.46  |   |      | 4.37 |      |   | 3.46 |   |   | 4.24 |  
|                                                            |  |                     |       |      |   |       |   |      |      |      |   |      |   |   |      |  

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

---