|                                                                                                                                                                                              |  |  |                     |  |                    |  |                   |  |                   |  |                   |  |                         
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |  |  | ------------------- |  | ------------------ |  | ----------------- |  | ----------------- |  | ----------------- |  | ------------------------
|EXHIBIT 12.2                                                                                                                                                                                 
|SAN DIEGO GAS & ELECTRIC COMPANY                                                                                                                                                             
|COMPUTATION OF RATIO OF EARNINGS TO COMBINED FIXED CHARGES                                                                                                                                   
|AND PREFERRED STOCK DIVIDENDS                                                                                                                                                                
|(Dollars in millions)                                                                                                                                                                        
|                                                                                                                                                                                              |  |  |                     |  |                    |  |                   |  |                   |  |                   |  |                         
|                                                                                                                                                                                              |  |  |                     |  |                    |  |                   |  |                   |  |                   |  |                         
|                                                                                                                                                                                              |  |  |                     |  |                    |  |                   |  |                   |  |                   |  |                         
|                                                                                                                                                                                              |  |  | 2004                |  | 2005               |  | 2006              |  | 2007              |  | 2008              |  | March 31, 2009          
|                                                                                                                                                                                              |  |  |                     |  |                    |  |                   |  |                   |  |                   |  |                         
|Fixed Charges and Preferred Stock Dividends:                                                                                                                                                  |  |  |                     |  |                    |  |                   |  |                   |  |                   |  |                         
|                                                                                                                                                                                              |  |  |                     |  |                    |  |                   |  |                   |  |                   |  |                         
|Interest                                                                                                                                                                                      |  |  | $                71 |  | $               77 |  | $             102 |  | $             105 |  | $             107 |  | $                     27
|                                                                                                                                                                                              |  |  |                     |  |                    |  |                   |  |                   |  |                   |  |                         
|Interest portion of annual rentals                                                                                                                                                            |  |  | 2                   |  | 3                  |  | 3                 |  | 3                 |  | 1                 |  | -                       
|                                                                                                                                                                                              |  |  |                     |  |                    |  |                   |  |                   |  |                   |  |                         
|Total fixed charges                                                                                                                                                                           |  |  | 73                  |  | 80                 |  | 105               |  | 108               |  | 108               |  | 27                      
|                                                                                                                                                                                              |  |  |                     |  |                    |  |                   |  |                   |  |                   |  |                         
|Preferred stock dividends (1)                                                                                                                                                                 |  |  | 8                   |  | 6                  |  | 8                 |  | 7                 |  | 7                 |  | 2                       
|                                                                                                                                                                                              |  |  |                     |  |                    |  |                   |  |                   |  |                   |  |                         
|Combined fixed charges and preferred stock dividends for purpose of ratio                                                                                                                     |  |  | $                81 |  | $               86 |  | $             113 |  | $             115 |  | $             115 |  | $                     29
|                                                                                                                                                                                              |  |  |                     |  |                    |  |                   |  |                   |  |                   |  |                         
|Earnings:                                                                                                                                                                                     |  |  |                     |  |                    |  |                   |  |                   |  |                   |  |                         
|                                                                                                                                                                                              |  |  |                     |  |                    |  |                   |  |                   |  |                   |  |                         
|Pretax income from continuing operations                                                                                                                                                      |  |  | $              361  |  | $             356  |  | $             394 |  | $             406 |  | $             451 |  | $                   167 
|                                                                                                                                                                                              |  |  |                     |  |                    |  |                   |  |                   |  |                   |  |                         
|Total fixed charges (from above)                                                                                                                                                              |  |  | 73                  |  | 80                 |  | 105               |  | 108               |  | 108               |  | 27                      
|                                                                                                                                                                                              |  |  |                     |  |                    |  |                   |  |                   |  |                   |  |                         
|Less: Interest capitalized                                                                                                                                                                    |  |  | 1                   |  | 1                  |  | 1                 |  | 3                 |  | 13                |  | -                       
|                                                                                                                                                                                              |  |  |                     |  |                    |  |                   |  |                   |  |                   |  |                         
|Total earnings for purpose of ratio                                                                                                                                                           |  |  | $              433  |  | $             435  |  | $             498 |  | $             511 |  | $             546 |  | $                   194 
|                                                                                                                                                                                              |  |  |                     |  |                    |  |                   |  |                   |  |                   |  |                         
|Ratio of earnings to combined fixed charges and preferred stock dividends                                                                                                                     |  |  | 5.35                |  | 5.06               |  | 4.41              |  | 4.44              |  | 4.75              |  | 6.69                    
|                                                                                                                                                                                              |  |  |                     |  |                    |  |                   |  |                   |  |                   |  |                         
|Ratio of earnings to fixed charges                                                                                                                                                            |  |  | 5.93                |  | 5.44               |  | 4.74              |  | 4.73              |  | 5.06              |  | 7.19                    
|                                                                                                                                                                                              |  |  |                     |  |                    |  |                   |  |                   |  |                   |  |                         
|                                                                                                                                                                                              |  |  |                     |  |                    |  |                   |  |                   |  |                   |  |                         
|(1)  In computing this ratio, Preferred stock dividends represents the before-tax earnings necessary to pay such dividends, computed at the effective tax rates for the applicable periods.