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                               EXHIBIT 12.1
                      SAN DIEGO GAS & ELECTRIC COMPANY
         COMPUTATION OF RATIO OF EARNINGS TO COMBINED FIXED CHARGES
                       AND PREFERRED STOCK DIVIDENDS
                          (Dollars in millions)
<caption>
                                                                               For the nine
                                                                               months ended
                                                                               September 30,
                               1996      1997      1998      1999      2000      2001
                             --------  --------  --------  --------  --------  --------
<s>                           <c>       <c>      <c>       <c>       <c>       <c>
Fixed Charges and Preferred
Stock Dividends:

Interest:
  Long-Term Debt               $ 76      $ 69      $ 55      $ 49       $50       $42
  Rate Reduction Bonds           --        --        41        35        33        21
  Short-Term Debt & Other        13        14        14        40        31         6
 Amortization of Debt
 Discount and Expense,
 Less Premium                     5         5         8         7         5         4
Interest Portion of
 Annual Rentals                   8        10         7         5         3         3
                             --------  --------  --------  --------  --------  --------
   Total Fixed
    Charges                     102        98       125       136       122        76
                             --------  --------  --------  --------  --------  --------
Preferred Dividends
 for Purpose of Ratio (1)        13        13        11        10        13        10
                             --------  --------  --------  --------  --------  --------
 Total Fixed Charges
  and Preferred Stock
  Dividends For
  Purpose of Ratio             $115      $111      $136      $146      $135       $86
                             ========  ========  ========  ========  ========  ========
Earnings:

Pretax income from
 continuing operations         $420      $457      $332      $325      $295      $267
Add:
 Fixed charges
  (from above)                  102        98       125       136       122        76
 Less: Fixed charges
  capitalized                     1         2         1         1         3         -
                             --------  --------  --------  --------  --------  --------
 Total Earnings for
  Purpose of Ratio             $521      $553      $456      $460      $414      $343
                             ========  ========  ========  ========  ========  ========
Ratio of Earnings
 to Combined Fixed
 Charges and Preferred
 Stock Dividends               4.54      5.00      3.36      3.15      3.07      3.99
                             ========  ========  ========  ========  ========  ========


(1)  In computing this ratio, "Preferred dividends" represents the before-tax earnings necessary
     to pay such dividends, computed at the effective tax rates for the applicable periods.

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