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|EXHIBIT 12.1                                                                                       
|SEMPRA ENERGY                                                                                      
|COMPUTATION OF RATIO OF EARNINGS TO COMBINED FIXED CHARGES                                         
|AND PREFERRED STOCK DIVIDENDS                                                                      
|(Dollars in millions)                                                                              
|                                                                                                    |                                                                                                                                                                                                    |         |  |         |  |         |  |         |  |        
|                                                                                                    |                                                                                                                                                                                                    |         |  |         |  |         |  |         |  |        
|                                                                                                    |                                                                                                                                                                                                    | 2007    |  | 2008    |  | 2009    |  | 2010    |  | 2011   
|Fixed charges and preferred stock dividends:                                                        |                                                                                                                                                                                                    |         |  |         |  |         |  |         |  |        
|Interest                                                                                            |                                                                                                                                                                                                    | $ 379   |  | $ 353   |  | $ 455   |  | $ 492   |  | $ 549  
|Interest portion of annual rentals                                                                  |                                                                                                                                                                                                    | 6       |  | 3       |  | 2       |  | 3       |  | 2      
|Preferred dividends of subsidiaries (1)                                                             |                                                                                                                                                                                                    | 14      |  | 13      |  | 13      |  | 11      |  | 10     
|Total fixed charges                                                                                 |                                                                                                                                                                                                    | 399     |  | 369     |  | 470     |  | 506     |  | 561    
|Preferred dividends for purpose of ratio                                                            |                                                                                                                                                                                                    | -       |  | -       |  | -       |  | -       |  | -      
|Total fixed charges and preferred dividends for purpose of ratio                                    |                                                                                                                                                                                                    | $ 399   |  | $ 369   |  | $ 470   |  | $ 506   |  | $ 561  
|Earnings:                                                                                           |                                                                                                                                                                                                    |         |  |         |  |         |  |         |  |        
|Pretax income from continuing operations before adjustment for income or loss from equity investees |                                                                                                                                                                                                    | $ 1,538 |  | $ 1,009 |  | $ 977   |  | $ 1,078 |  | $ 1,745
|Add:                                                                                                |                                                                                                                                                                                                    |         |  |         |  |         |  |         |  |        
|Total fixed charges (from above)                                                                    |                                                                                                                                                                                                    | 399     |  | 369     |  | 470     |  | 506     |  | 561    
|Distributed income of equity investees                                                              |                                                                                                                                                                                                    | 19      |  | 133     |  | 493     |  | 260     |  | 96     
|Less:                                                                                               |                                                                                                                                                                                                    |         |  |         |  |         |  |         |  |        
|Interest capitalized                                                                                |                                                                                                                                                                                                    | 100     |  | 100     |  | 73      |  | 74      |  | 27     
|Preferred dividends of subsidiaries (1)                                                             |                                                                                                                                                                                                    | 10      |  | 10      |  | 13      |  | 11      |  | 10     
|Total earnings for purpose of ratio                                                                 |                                                                                                                                                                                                    | $ 1,846 |  | $ 1,401 |  | $ 1,854 |  | $ 1,759 |  | $ 2,365
|                                                                                                    |                                                                                                                                                                                                    |         |  |         |  |         |  |         |  |        
|Ratio of earnings to combined fixed charges and preferred stock dividends                           |                                                                                                                                                                                                    | 4.63    |  | 3.80    |  | 3.94    |  | 3.48    |  | 4.22   
|                                                                                                    |                                                                                                                                                                                                    |         |  |         |  |         |  |         |  |        
|Ratio of earnings to fixed charges                                                                  |                                                                                                                                                                                                    | 4.63    |  | 3.80    |  | 3.94    |  | 3.48    |  | 4.22   
|                                                                                                    |                                                                                                                                                                                                    |         |  |         |  |         |  |         |  |         | 
|(1)                                                                                                 | In computing this ratio, Preferred dividends of subsidiaries represents the before-tax earnings necessary to pay such dividends, computed at the effective tax rates for the applicable periods.