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|EXHIBIT 12.2                                                             
|SAN DIEGO GAS & ELECTRIC COMPANY                                         
|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                                                                  |                                                                                                                                                                                          | $ 105 |  | $ 107 |  | $ 118 |  | $ 153 |  | $ 193
|Interest portion of annual rentals                                        |                                                                                                                                                                                          | 3     |  | 1     |  | 1     |  | 1     |  | 1    
|Total fixed charges                                                       |                                                                                                                                                                                          | 108   |  | 108   |  | 119   |  | 154   |  | 194  
|Preferred stock dividends (1)                                             |                                                                                                                                                                                          | 7     |  | 7     |  | 7     |  | 7     |  | 7    
|Combined fixed charges and preferred stock dividends for purpose of ratio |                                                                                                                                                                                          | $ 115 |  | $ 115 |  | $ 126 |  | $ 161 |  | $ 201
|Earnings:                                                                 |                                                                                                                                                                                          |       |  |       |  |       |  |       |  |      
|Pretax income from continuing operations                                  |                                                                                                                                                                                          | $ 406 |  | $ 451 |  | $ 550 |  | $ 531 |  | $ 692
|Total fixed charges (from above)                                          |                                                                                                                                                                                          | 108   |  | 108   |  | 119   |  | 154   |  | 194  
|Less: Interest capitalized                                                |                                                                                                                                                                                          | 3     |  | 13    |  | 4     |  | 1     |  | 1    
|Total earnings for purpose of ratio                                       |                                                                                                                                                                                          | $ 511 |  | $ 546 |  | $ 665 |  | $ 684 |  | $ 885
|Ratio of earnings to combined fixed charges and preferred stock dividends |                                                                                                                                                                                          | 4.44  |  | 4.75  |  | 5.28  |  | 4.25  |  | 4.40 
|Ratio of earnings to fixed charges                                        |                                                                                                                                                                                          | 4.73  |  | 5.06  |  | 5.59  |  | 4.44  |  | 4.56 
|                                                                          |                                                                                                                                                                                          |       |  |       |  |       |  |       |  |       | 
|(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.