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                                                                      EXHIBIT 12

                  PUBLIC SERVICE ENTERPRISE GROUP INCORPORATED
               COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES

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<CAPTION>
                                                  For the Six
                                                  Months Ended                         For the Years Ended
                                                    June 30,                               December 31,
                                             -------------------------------------------------------------------------------
                                                2005        2004        2004        2003        2002        2001        2000
                                             -------------------------------------------------------------------------------
                                                                          (Millions, except ratios)
<S>                                           <C>         <C>         <C>         <C>         <C>         <C>         <C>
Earnings as Defined in Regulation S-K (A):

Pre-tax Income from Continuing Operations       $624        $654      $1,223      $1,331        $659      $1,139      $1,279
Loss(Income) from Equity Investees,
Net of Distributions                             (10)         32          78          60          (2)        (59)        (16)
Fixed Charges                                    479         491         959         963         946         876         726
Capitalized Interest (B)                         (53)        (61)       (110)       (116)       (104)        (74)        (33)
Preferred Securities Dividends
Requirements of Subsidiaries                      (3)         (3)         (6)         (6)         (6)         (8)        (14)
                                             -------------------------------------------------------------------------------
Total Earnings                                $1,037      $1,113      $2,144      $2,232      $1,493      $1,874      $1,942
                                             ===============================================================================
Fixed Charges as Defined in
   Regulation S-K(C)

Interest Expense                                $471        $484        $945        $949        $926        $852        $698
Interest Factor in Rentals                         5           4           8           8          14          16          14
Preferred Securities Dividends
Requirements of Subsidiaries                       3           3           6           6           6           8          14
                                             -------------------------------------------------------------------------------
Total Fixed Charges                             $479        $491        $959        $963        $946        $876        $726
                                             ===============================================================================

Ratio of Earnings to Fixed Charges              2.16        2.27        2.24        2.32        1.58        2.14        2.67
                                             ===============================================================================
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(A)  The term "earnings" shall be defined as pretax income from continuing
     operations before income or loss from equity investees plus distributed
     income from equity investees. Add to pretax 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.

(B)  Capitalized Interest excludes AFUDC for PSE&G.

(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 dividends
     requirements of majority-owned subsidiaries stated on a pre-tax level.