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
                   ==========  ==========   ==========  ==========  ==========    ==========