EX-12.1 2 lnt6302012ex121.htm RATIO OF EARNINGS TO FIXED CHARGES FOR ALLIANT ENERGY LNT 6.30.2012 Ex 12.1


Exhibit 12.1

ALLIANT ENERGY CORPORATION

RATIO OF EARNINGS TO FIXED CHARGES

 
Six Months Ended
 
 
 
 
 
 
 
June 30,
 
Years Ended Dec. 31,
 
2012
 
2011
 
2011
2010
2009
2008
2007
 
(dollars in millions)
EARNINGS:
 
 
 
 
 
 
 
 
 
Net income from continuing operations attributable to
 
 
 
 
 
 
 
 
 
   Alliant Energy Corporation common shareowners

$104.8

 

$122.3

 

$323.1


$291.5


$111.6


$265.8


$415.7

Income tax expense (benefit) (a)
44.5

 
11.2

 
69.0

147.6

(6.8
)
130.6

249.9

Subtotal
149.3

 
133.5

 
392.1

439.1

104.8

396.4

665.6

Fixed charges as defined
103.3

 
103.5

 
208.4

215.4

199.7

185.2

184.6

Adjustment for undistributed equity earnings
(3.2
)
 
(3.6
)
 
(7.0
)
(5.9
)
(6.7
)
(6.1
)
(7.8
)
Less:
 
 
 
 
 
 
 
 
 
   Interest capitalized
3.2

 
—

 
2.7

—

—

—

—

   Preferred dividend requirements of subsidiaries
 
 
 
 
 
 
 
 
 
      (pre-tax basis) (b)
11.0

 
11.3

 
22.0

27.6

17.7

27.3

29.5

Total earnings as defined

$235.2

 

$222.1

 

$568.8


$621.0


$280.1


$548.2


$812.9

 
 
 
 
 
 
 
 
 
 
FIXED CHARGES:
 
 
 
 
 
 
 
 
 
Interest expense

$77.5

 

$80.9

 

$158.3


$162.8


$154.8


$125.8


$116.7

Interest capitalized
3.2

 
—

 
2.7

—

—

—

—

Estimated interest component of rent expense
11.6

 
11.3

 
25.4

25.0

27.2

32.1

38.4

Preferred dividend requirements of subsidiaries
 
 
 
 
 
 
 
 
 
   (pre-tax basis) (b)
11.0

 
11.3

 
22.0

27.6

17.7

27.3

29.5

Total fixed charges as defined

$103.3

 

$103.5

 

$208.4


$215.4


$199.7


$185.2


$184.6

 
 
 
 
 
 
 
 
 
 
Ratio of Earnings to Fixed Charges (c)
2.28
 
2.15

 
2.73
2.88
1.40
2.96
4.40

(a) Includes net interest related to unrecognized tax benefits.

(b) Preferred dividend requirements of subsidiaries (pre-tax basis) are computed by dividing the preferred dividend requirements of subsidiaries by one hundred percent minus the respective year-to-date effective income tax rate.

(c) The ratio calculation in the above table relates to Alliant Energy Corporation's continuing operations.