| EXHIBIT 12.2
| SAN DIEGO GAS & ELECTRIC COMPANY
| COMPUTATION OF RATIO OF EARNINGS TO COMBINED FIXED CHARGES
| AND PREFERRED STOCK DIVIDENDS
| (Dollars in millions)
|  |  | 2012 |  | 2013 |  | 2014 |  | 2015 |  | 2016
Fixed charges and preferred stock dividends: |  |  |  |  |  |  |  |  |  |
Interest |  | $ | 220 |  |  | $ | 231 |  |  | $ | 238 |  |  | $ | 241 |  |  | $ | 239 |
Interest portion of annual rentals |  | 1 |  |  | 1 |  |  | 1 |  |  | 1 |  |  | 1 |
Total fixed charges |  | 221 |  |  | 232 |  |  | 239 |  |  | 242 |  |  | 240 |
Preferred stock dividends(1) |  | 7 |  |  | 5 |  |  | — |  |  | — |  |  | — |
Combined fixed charges and preferred stock dividends for purpose of ratio |  | $ | 228 |  |  | $ | 237 |  |  | $ | 239 |  |  | $ | 242 |  |  | $ | 240 |
Earnings: |  |  |  |  |  |  |  |  |  |
Pretax income from continuing operations |  | $ | 705 |  |  | $ | 626 |  |  | $ | 797 |  |  | $ | 890 |  |  | $ | 845 |
Add: Total fixed charges (from above) |  | 221 |  |  | 232 |  |  | 239 |  |  | 242 |  |  | 240 |
Less: Interest capitalized |  | — |  |  | — |  |  | 1 |  |  | — |  |  | — |
Total earnings for purpose of ratio |  | $ | 926 |  |  | $ | 858 |  |  | $ | 1,035 |  |  | $ | 1,132 |  |  | $ | 1,085 |
Ratio of earnings to combined fixed charges |  |  |  |  |  |  |  |  |  |
and preferred stock dividends |  | 4.06 |  |  | 3.62 |  |  | 4.33 |  |  | 4.68 |  |  | 4.52 |
Ratio of earnings to fixed charges |  | 4.19 |  |  | 3.70 |  |  | 4.33 |  |  | 4.68 |  |  | 4.52 |
(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.