Exhibit 12.2
California Water Service Group
Computation of Ratios of Earnings to Fixed Charges
Including Preferred Stock Dividends
In thousands except ratios
| | Year ended December 31, | |
| | 2011 | | 2010 | | 2009 | | 2008 | | 2007 | |
Earnings(1): | | | | | | | | | | | |
Income before income tax expense | | $ | 60,878 | | $ | 62,211 | | $ | 67,916 | | $ | 63,936 | | $ | 51,882 | |
| | | | | | | | | | | |
Fixed charges expensed and capitalized | | 32,455 | | 27,936 | | 24,394 | | 20,591 | | 19,719 | |
Capitalized interest | | (2,741 | ) | (1,563 | ) | (3,081 | ) | (3,411 | ) | (2,585 | ) |
Preferred dividend requirement | | — | | — | | — | | (114 | ) | (153 | ) |
| | $ | 90,592 | | $ | 88,584 | | $ | 89,229 | | $ | 81,002 | | $ | 68,863 | |
| | | | | | | | | | | |
Fixed Charges: | | | | | | | | | | | |
Interest expensed and capitalized, and amortization of capitalized expense related to indebtedness | | $ | 32,455 | | $ | 27,936 | | $ | 24,394 | | $ | 20,591 | | $ | 19,719 | |
Estimated interest component of rent expense | | 474 | | 338 | | 329 | | 237 | | 221 | |
Preferred dividend requirement | | — | | — | | — | | 114 | | 153 | |
| | $ | 32,929 | | $ | 28,274 | | $ | 24,723 | | $ | 20,942 | | $ | 20,093 | |
Ratio of earnings to fixed charges including preferred stock dividends | | $ | 2.75 | | $ | 3.13 | | $ | 3.61 | | $ | 3.87 | | $ | 3.43 | |
(1) As defined by Item 503(d) of Regulation S-K