Exhibit 12
PUBLIC SERVICE COMPANY OF COLORADO AND SUBSIDIARIES
STATEMENT OF COMPUTATION OF
RATIO OF EARNINGS TO FIXED CHARGES
(Thousands of Dollars)
Year Ended December 31, | ||||||||||||||||||||||||
YTD 6/10 | 2009 | 2008 | 2007 | 2006 | 2005 | |||||||||||||||||||
Earnings as defined: | ||||||||||||||||||||||||
Pretax income from continuing operations | $ | 281,546 | $ | 493,725 | $ | 506,424 | $ | 431,251 | $ | 323,159 | $ | 281,657 | ||||||||||||
Add: Fixed charges | 119,584 | 224,041 | 199,739 | 311,377 | 266,231 | 311,377 | ||||||||||||||||||
Earnings as defined | $ | 401,130 | $ | 717,766 | $ | 706,163 | $ | 742,628 | $ | 587,831 | $ | 545,173 | ||||||||||||
Fixed charges: | ||||||||||||||||||||||||
Interest charges | $ | 87,439 | $ | 166,212 | $ | 154,313 | $ | 180,230 | $ | 137,493 | $ | 144,835 | ||||||||||||
Interest charges on life insurance policy borrowings | 202 | 324 | 248 | 105,396 | 117,536 | 107,610 | ||||||||||||||||||
Interest component of operating leases | 31,943 | 57,505 | 45,178 | 25,751 | 9,643 | 11,071 | ||||||||||||||||||
Total fixed charges | $ | 119,584 | $ | 224,041 | $ | 199,739 | $ | 311,377 | $ | 264,672 | $ | 263,516 | ||||||||||||
Ratio of earnings to fixed charges | ||||||||||||||||||||||||
3.4 | 3.2 | 3.5 | 2.4 | 2.2 | 2.1 |