Exhibit 99(d)
                                                                                                       
                               Entergy Mississippi, Inc.
               Computation of Ratios of Earnings to Fixed Charges and
          Ratios of Earnings to Combined Fixed Charges and Preferred Dividends
                                                                                                                       
                                                                                                                  
                                                                                                              June 30,
                                                             1991      1992      1993      1994      1995       1996
                                                                                                                       
                                                                                              
Fixed charges, as defined:                                                                                             
  Interest on long-term debt                                 $63,628   $60,709   $52,099   $46,081   $46,241    $46,021
  Interest on notes payable                                      953        36         7     1,348       474        899
  Other interest charges                                       1,444     1,636     1,795     3,581     4,164      2,356
  Amortization of expense and premium on debt-net(cr)          1,617     1,685     1,458     1,754       756        584
  Interest applicable to rentals                                 574       521     1,264     1,716     2,173      2,220
                                                             ----------------------------------------------------------
Total fixed charges, as defined                               68,216    64,587    56,623    54,480    53,808     52,080
                                                                                                                       
Preferred dividends, as defined (a)                           14,962    12,823    12,990     9,447     9,004      8,039
                                                             ----------------------------------------------------------
Combined fixed charges and preferred dividends, as defined   $83,178   $77,410   $69,613   $63,927   $62,812    $60,119
                                                             ==========================================================
Earnings as defined:                                                                                                   
                                                                                                                       
  Net Income                                                 $63,088   $65,036  $101,743   $48,779   $68,667    $81,058
  Add:                                                                                                                 
    Provision for income taxes:                                                                                        
      Federal and State                                       (1,001)    4,463    54,418    46,884    71,651     88,019
    Deferred Federal and State - net                          32,491    20,430       539   (26,763)  (35,224)   (41,555)
    Investment tax credit adjustment - net                    (1,634)   (1,746)    1,036    (7,645)   (1,550)    (3,495)
    Fixed charges as above                                    68,216    64,587    56,623    54,480    53,808     52,080
                                                            -----------------------------------------------------------
Total earnings, as defined                                  $161,160  $152,770  $214,359  $115,735  $157,352   $176,107
                                                            ===========================================================
Ratio of earnings to fixed charges, as defined                  2.36      2.37      3.79      2.12      2.92       3.38
                                                            ===========================================================
Ratio of earnings to combined fixed charges and                                                                        
 preferred dividends, as defined                                1.94      1.97      3.08      1.81      2.51       2.93
                                                            ===========================================================
                                                                                                       
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(a) "Preferred dividends," as defined by SEC regulation S-K, are computed by 
    dividing the preferred dividend requirement by one hundred percent
    (100%) minus the income tax rate.