EX-12 7 a07-8258_1ex12.htm EXHIBIT 12

Exhibit 12

PUBLIC SERVICE COMPANY OF COLORADO

STATEMENT OF COMPUTATION OF

RATIO OF CONSOLIDATED EARNINGS TO CONSOLIDATED FIXED CHARGES

(Thousands of Dollars)

 

 

Year ended Dec. 31,

 

 

 

2006

 

2005

 

2004

 

2003

 

2002

 

Earnings as defined:

 

 

 

 

 

 

 

 

 

 

 

Pretax income

 

$

323,159

 

$

281,657

 

$

290,861

 

$

316,144

 

$

393,366

 

Add: Fixed Charges

 

264,672

 

263,516

 

266,231

 

270,051

 

244,269

 

Earnings as defined

 

$

587,831

 

$

545,173

 

$

557,092

 

$

586,195

 

$

637,635

 

Fixed charges:

 

 

 

 

 

 

 

 

 

 

 

Interest charges

 

$

264,672

 

$

263,516

 

$

266,231

 

$

262,679

 

$

229,525

 

Distributions on redeemable preferred securities of subsidiary trust

 

—

 

—

 

—

 

7,372

 

14,744

 

Total fixed charges

 

$

264,672

 

$

263,516

 

$

266,231

 

$

270,051

 

$

244,269

 

Ratio of earnings to fixed charges

 

2.2

 

2.1

 

2.1

 

2.2

 

2.6