Exhibit 12.1
ALLIANT ENERGY CORPORATION
RATIO OF EARNINGS TO FIXED CHARGES
Six Months | |||||||||||||||
Ended June 30, | Years Ended Dec. 31, | ||||||||||||||
2009 | 2008 | 2008 | 2007 | 2006 | 2005 (a) | 2004 | |||||||||
(dollars in millions) | |||||||||||||||
EARNINGS: | |||||||||||||||
Net income from continuing operations attributable to | |||||||||||||||
Alliant Energy Corporation common shareowners | $101 | .7 | $119.9 | $280 | .0 | $424 | .7 | $338 | .3 | $56 | .4 | $218 | .4 | ||
Income tax expense (benefit) (b) | (4 | .3) | 51.2 | 140 | .2 | 255 | .8 | 203 | .0 | (52 | .9) | 91 | .2 | ||
Subtotal | 97 | .4 | 171.1 | 420 | .2 | 680 | .5 | 541 | .3 | 3 | .5 | 309 | .6 | ||
Fixed charges as defined | 94 | .7 | 88.1 | 186 | .5 | 185 | .6 | 213 | .4 | 226 | .7 | 238 | .8 | ||
Adjustment for undistributed equity earnings | (3 | .4) | (2.8) | (6 | .1) | (7 | .8) | (16 | .6) | (41 | .7) | (21 | .0) | ||
Less: | |||||||||||||||
Interest capitalized | - | - | - | - | - | 3 | .4 | 5 | .4 | ||||||
Preferred dividend requirements of subsidiaries (pre-tax basis) (c) | 9 | .0 | 13.1 | 27 | .5 | 29 | .5 | 29 | .3 | 5 | .5 | 25 | .9 | ||
Total earnings as defined | $179 | .7 | $243.3 | $573 | .1 | $828 | .8 | $708 | .8 | $179 | .6 | $496 | .1 | ||
FIXED CHARGES: | |||||||||||||||
Interest expense | $71 | .4 | $60.0 | $125 | .8 | $116 | .7 | $145 | .7 | $175 | .8 | $176 | .9 | ||
Interest capitalized | - | - | - | - | - | 3 | .4 | 5 | .4 | ||||||
Estimated interest component of rent expense | 14 | .3 | 15.0 | 33 | .2 | 39 | .4 | 38 | .4 | 42 | .0 | 30 | .6 | ||
Preferred dividend requirements of subsidiaries (pre-tax basis) (c) | 9 | .0 | 13.1 | 27 | .5 | 29 | .5 | 29 | .3 | 5 | .5 | 25 | .9 | ||
Total fixed charges as defined | $94 | .7 | $88.1 | $186 | .5 | $185 | .6 | $213 | .4 | $226 | .7 | $238 | .8 | ||
Ratio of Earnings to Fixed Charges (d) | 1 | .90 | 2.76 | 3 | .07 | 4 | .47 | 3 | .32 | 0 | .79 | 2 | .08 | ||
(a) For the year ended Dec. 31, 2005, earnings as defined were inadequate to cover fixed charges as defined by $47.1 million.
(b) Includes net interest related to unrecognized tax benefits.
(c) 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.
(d) The ratio calculation in the above table relates to Alliant Energy Corporation's continuing operations.