EXHIBIT 12.1    
    
                          SAN DIEGO GAS & ELECTRIC COMPANY    
    
            COMPUTATION OF RATIO OF EARNINGS TO COMBINED FIXED CHARGES    
                           AND PREFERRED STOCK DIVIDENDS    
    
                                                                                                        
                                                                                                     
                                                                                      3 Months    
                                                                                       Ended    
                        1990        1991        1992         1993        1994       3/31/95   
                     ----------  ----------  ----------   ----------  ----------  ----------   
                                                                   
    
Fixed Charges:    
    
Interest:   
  Long-Term Debt     $ 97,894    $ 98,802     $100,776    $ 93,402     $ 93,076     $ 24,853   
  Short-Term Debt      12,301       8,234        6,242       7,980       10,322        3,187   
Amortization of Debt   
 Discount and Expense,   
 Less Premium           2,465       2,471        2,881       4,162        4,604        1,293   
Interest Portion of    
 Annual Rentals        20,898      18,067       14,677      19,206       21,998        7,039   
                    ----------  ----------  -----------  ----------   ----------   ----------   
   Total Fixed     
    Charges           133,558     127,574      124,576     124,750      130,000       36,372   
                    ----------  ----------  -----------  ----------   ----------   ----------   
Preferred Dividends       
 Requirements          10,863      10,535        9,600       8,565        7,663        1,916   
Ratio of Income Before    
 Tax to Net Income    1.75499     1.63017      1.72369     1.67794      1.90447      1.72994   
                    ----------  ----------  -----------  ----------  ----------   ----------   
Preferred Dividends    
 for Purpose of Ratio  19,064      17,174       16,547      14,372       14,594        3,315   
                    ----------  ----------   ----------  ----------  ----------   ----------   
 Total Fixed Charges   
  and Preferred    
  Dividends for   
  Purpose of Ratio   $152,622    $144,748     $141,123    $139,122     $144,594     $ 39,687   
                    ==========  ==========   ==========  ==========  ==========   ==========   
Earnings:   
   
Net Income (before   
 preferred dividend    
 requirements)       $207,841    $208,060     $210,657   $218,715      $143,477     $ 61,850   
Add:    
 Fixed Charges    
  (from above)        133,558     127,574      124,576    124,750       130,000       36,372   
 Less: Fixed Charges    
  Capitalized           3,306       2,907        2,242      5,789         6,792        2,200   
Taxes on Income       156,917     131,114      152,451    148,275       129,771       45,147   
                   ----------  ----------   ----------  ----------  -----------    ---------   
 Total Earnings for    
  Purpose of Ratio   $495,010    $463,841     $485,442   $485,951      $396,456     $141,169    
                   ==========  ==========   ==========  ==========  ===========      
==========    
Ratio of Earnings    
 to Combined Fixed    
 Charges and Preferred    
 Dividends               3.24        3.20         3.44       3.49          2.74         3.56   
                   ==========  ==========   ==========  ==========  ==========    ==========