EX-12 7 ex12.htm EXHIBIT 12 ex12.htm
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