Attached files

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EX-31.01 - CERTIFICATIONS ON FORM 10-Q - SOUTHWEST GAS CORPexhibit31-01.htm
EX-32.01 - SECTION 906 CERTIFICATIONS - SOUTHWEST GAS CORPexhibit32-01.htm
10-Q - QUARTERLY REPORT ON FORM 10-Q - SOUTHWEST GAS CORPform10q3rdqtr2009.htm


                                     
                                 
Exhibit 12.01
 
SOUTHWEST GAS CORPORATION
 
COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES
 
(Thousands of dollars)
 
                                     
   
For the Twelve Months Ended
 
   
Sep 30,
   
December 31,
 
   
2009
   
2008
   
2007
   
2006
   
2005
   
2004
 
1. Fixed charges:
                                   
A) Interest expense
  $ 83,838     $ 90,403     $ 94,035     $ 92,878     $ 87,687     $ 84,138  
B) Amortization
    2,211       2,880       2,783       3,467       3,700       3,059  
C) Interest portion of rentals
    6,997       7,802       7,952       6,412       6,333       6,779  
Total fixed charges
  $ 93,046     $ 101,085     $ 104,770     $ 102,757     $ 97,720     $ 93,976  
                                                 
                                                 
2. Earnings (as defined):
                                               
D) Pretax income from
                                               
continuing operations
  $ 112,895     $ 101,808     $ 131,024     $ 128,357     $ 68,435     $ 87,012  
Fixed Charges (1. above)
    93,046       101,085       104,770       102,757       97,720       93,976  
Total earnings as defined
  $ 205,941     $ 202,893     $ 235,794     $ 231,114     $ 166,155     $ 180,988  
                                                 
      2.21       2.01       2.25       2.25       1.70       1.93