EXHIBIT 12

PUBLIC SERVICE ENTERPRISE GROUP INCORPORATED

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                  |  | $                                 | 1,199 |   |                                  | $ | 1,299 |                           |  | $ | 2,636 |   |  | $    | 1,909 |   |      | $ | 2,389 |      |  | $ | 1,130 |   |  | $ | 1,391 |  
|(Income) Loss from Equity Investees, net of Distributions  |  |                                   | (11   | ) |                                  |   | (9    | )                         |  |   | (25   | ) |  |      | (5    | ) |      |   | (10   | )    |  |   | (33   | ) |  |   | (31   | )
|Fixed Charges                                              |  |                                   | 278   |   |                                  |   | 307   |                           |  |   | 591   |   |  |      | 648   |   |      |   | 770   |      |  |   | 838   |   |  |   | 874   |  
|Capitalized Interest (B)                                   |  |                                   | (33   | ) |                                  |   | (19   | )                         |  |   | (45   | ) |  |      | (36   | ) |      |   | (26   | )    |  |   | (33   | ) |  |   | (92   | )
|Preferred Securities Dividend Requirements of Subsidiaries |  |                                   | (2    | ) |                                  |   | (3    | )                         |  |   | (6    | ) |  |      | (6    | ) |      |   | (6    | )    |  |   | (6    | ) |  |   | (6    | )
|                                                           |  |                                   |       |   |                                  |   |       |                           |  |   |       |   |  |      |       |   |      |   |       |      |  |   |       |   |  |   |       |  
|Total Earnings                                             |  | $                                 | 1,431 |   |                                  | $ | 1,575 |                           |  | $ | 3,151 |   |  | $    | 2,510 |   |      | $ | 3,117 |      |  | $ | 1,896 |   |  | $ | 2,136 |  
|                                                           |  |                                   |       |   |                                  |   |       |                           |  |   |       |   |  |      |       |   |      |   |       |      |  |   |       |   |  |   |       |  
|Fixed Charges as Defined in Regulation S-K (C)             |  |                                   |       |   |                                  |   |       |                           |  |   |       |   |  |      |       |   |      |   |       |      |  |   |       |   |  |   |       |  
|Interest Expense                                           |  | $                                 | 269   |   |                                  | $ | 297   |                           |  | $ | 572   |   |  | $    | 630   |   |      | $ | 753   |      |  | $ | 821   |   |  | $ | 858   |  
|Interest Factor in Rentals                                 |  |                                   | 7     |   |                                  |   | 7     |                           |  |   | 13    |   |  |      | 12    |   |      |   | 11    |      |  |   | 11    |   |  |   | 10    |  
|Preferred Securities Dividend Requirements of Subsidiaries |  |                                   | 2     |   |                                  |   | 3     |                           |  |   | 6     |   |  |      | 6     |   |      |   | 6     |      |  |   | 6     |   |  |   | 6     |  
|                                                           |  |                                   |       |   |                                  |   |       |                           |  |   |       |   |  |      |       |   |      |   |       |      |  |   |       |   |  |   |       |  
|Total Fixed Charges                                        |  | $                                 | 278   |   |                                  | $ | 307   |                           |  | $ | 591   |   |  | $    | 648   |   |      | $ | 770   |      |  | $ | 838   |   |  | $ | 874   |  
|                                                           |  |                                   |       |   |                                  |   |       |                           |  |   |       |   |  |      |       |   |      |   |       |      |  |   |       |   |  |   |       |  
|Ratio of Earnings to Fixed Charges                         |  |                                   | 5.15  |   |                                  |   | 5.13  |                           |  |   | 5.33  |   |  |      | 3.87  |   |      |   | 4.05  |      |  |   | 2.26  |   |  |   | 2.44  |  
|                                                           |  |                                   |       |   |                                  |   |       |                           |  |   |       |   |  |      |       |   |      |   |       |      |  |   |       |   |  |   |       |  



|(A) | The term earnings shall be defined as pre-tax Income from Continuing Operations before income or loss from equity investees plus distributed income from
equity investees. Add to pre-tax income the amount of fixed charges adjusted to exclude (a) the amount of any interest capitalized during the period and (b) the actual amount of any preferred securities dividend requirements of
majority-owned subsidiaries stated on a pre-tax level.
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|(B) | Capitalized Interest excludes AFUDC for PSE&G.
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|(C) | Fixed Charges represent (a) interest, whether expensed or capitalized, (b) amortization of debt discount, premium and expense, (c) an estimate of
interest implicit in rentals and (d) preferred securities dividend requirements of majority-owned subsidiaries stated on a pre-tax level.
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