Tucson Electric Power Company
Computation of Ratio of Earnings to Fixed Charges
 9 Months Ended
    
    
    12 Months Ended
    
    
    12 Months EndedSeptember 30,
    
    
    September 30,
    
    
    Dec. 31,
    
    
    Dec. 31,
    
    
    Dec. 31,
    
    
    Dec. 31,
    
    
    Dec. 31,2009
    
    
    2009
    
    
    2008
    
    
    2007
    
    
    2006
    
    
    2005
    
    
    2004-Thousands of Dollars-Fixed Charges:Interest on Long-Term Debt
    
    $
    27,232
    
    
    $
    38,035
    
    
    $
    47,456
    
    
    $
    50,230
    
    
    $
    51,422
    
    
    $
    56,243
    
    
    $
    69,904Other Interest (1)
    
    
    1,104
    
    
    
    1,459
    
    
    
    1,367
    
    
    
    4,538
    
    
    
    6,436
    
    
    
    2,597
    
    
    
    1,263Interest on Capital Lease
Obligations
    
    
    40,116
    
    
    
    54,415
    
    
    
    57,252
    
    
    
    64,477
    
    
    
    72,556
    
    
    
    79,064
    
    
    
    85,869Estimated Interest Portion of
Rental Expense
    
    
    74
    
    
    
    106
    
    
    
    130
    
    
    
    160
    
    
    
    188
    
    
    
    216
    
    
    
    243Total Fixed Charges
    
    $
    68,526
    
    
    $
    94,015
    
    
    $
    106,205
    
    
    $
    119,405
    
    
    $
    130,602
    
    
    $
    138,120
    
    
    $
    157,279Net Income
    
    $
    81,229
    
    
    $
    100,926
    
    
    $
    4,363
    
    
    $
    53,456
    
    
    $
    66,745
    
    
    $
    48,267
    
    
    $
    46,127Less:Cumulative Effect of
Accounting Change 
Net of Tax
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    
    (626
    )
    
    
    Net Income from Continuing
Operations
    
    
    81,229
    
    
    
    100,926
    
    
    
    4,363
    
    
    
    53,456
    
    
    
    66,745
    
    
    
    48,893
    
    
    
    46,127Add (Deduct):Income from Equity Investees (2)
    
    
    (2,652
    )
    
    
    (3,144
    )
    
    
    (1,381
    )
    
    
    
    
    
    
    (320
    )
    
    
    (314
    )
    
    
    (131
    )Income Taxes
    
    
    50,527
    
    
    
    66,476
    
    
    
    10,867
    
    
    
    35,542
    
    
    
    42,478
    
    
    
    33,907
    
    
    
    34,815Total Fixed Charges
    
    
    68,526
    
    
    
    94,015
    
    
    
    106,205
    
    
    
    119,405
    
    
    
    130,602
    
    
    
    138,120
    
    
    
    157,279Total Earnings before Taxes
and Fixed Charges
    
    $
    197,630
    
    
    $
    258,273
    
    
    $
    120,054
    
    
    $
    208,403
    
    
    $
    239,505
    
    
    $
    220,606
    
    
    $
    238,090Ratio of Earnings to Fixed
Charges
    
    
    2.884
    
    
    
    2.747
    
    
    
    1.130
    
    
    
    1.745
    
    
    
    1.834
    
    
    
    1.597
    
    
    
    1.514
 (1)
    
    Excludes recognition of Allowance for Borrowed Funds Used During Construction.(2)
    
    Includes Equity in Investment in Lease Equity and Inncom International, Inc. Income.