EXHIBIT 12.1


                            SOUTHERN CALIFORNIA GAS
               COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES
                             (Dollars in millions)



                                                                                                      For the        For the
                                                                                                     six months    six months
                                                                                                       ended          ended
                                                                                                      June 30,      June 30,
                                                 1996       1997      1998       1999        2000       2000          2001
                                                 ----       ----      ----       ----        ----       ----          ----
                                                                                                  
Fixed Charges:

Interest                                        $   88     $  88     $  81      $  62       $  72      $  37          $  35

Interest Portion of Annual Rentals                   5         5         4          3           4          2              2
                                                ------     -----     -----      -----       -----      -----          -----

Total Fixed Charges For Purpose of Ratio        $   93     $  93     $  85      $  65       $  76      $  39          $  37
                                                ======     =====     =====      =====       =====      =====          =====

Earnings:

Pretax income from continuing operations        $  349     $ 416     $ 287      $ 383       $ 390      $ 188          $ 185
                                                ------     -----     ------     -----       -----      -----          -----

Add: Fixed charges (from above)                     93        93        85         65          76         39             37

Less: Fixed charges capitalized                      2         1         1          2           2          1              1
                                                ------     -----     ------     -----       -----      -----          -----

Fixed charges net of capitalized charges            91        92        84         63          74         38             36
                                                ------     -----     ------     -----       -----      -----          -----

Total Earnings for Purpose of Ratio             $  440     $ 508     $ 371      $ 446       $ 464      $ 226          $ 221
                                                ======     =====     =====      =====       =====      =====          =====

Ratio of Earnings to Fixed Charges                4.73      5.46      4.36       6.86        6.11       5.79           5.97
                                                ======     =====     =====      =====       =====      =====          =====