v2.4.0.6

Consolidated Statements Of Income (USD $) In Millions, except Share data in Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Utility: |  |  |
Electric | $ 2,589.3 | $ 2,635.8 | $ 2,674.2
Gas | 396.3 | 476.7 | 480.6
Other | 56.7 | 62.0 | 64.6
Non-regulated | 52.2 | 46.9 | 42.7
Total operating revenues | 3,094.5 | 3,221.4 | 3,262.1
Utility: |  |  |
Electric production fuel and energy purchases | 712.3 | 764.5 | 819.2
Purchased electric capacity | 271.5 | 257.2 | 279.7
Electric transmission service | 341.3 | 323.8 | 279.5
Cost of gas sold | 217.2 | 295.2 | 304.0
Other operation and maintenance | 590.0 | 630.2 | 617.2
Non-regulated operation and maintenance | 11.9 | 18.0 | 19.4
Depreciation and amortization | 332.4 | 321.0 | 287.3
Taxes other than income taxes | 98.2 | 98.2 | 95.8
Total operating expenses | 2,574.8 | 2,708.1 | 2,702.1
Operating income | 519.7 | 513.3 | 560.0
Interest expense and other: |  |  |
Interest expense | 156.7 | 158.3 | 162.8
Equity income from unconsolidated investments, net | (41.3) | (39.3) | (38.1)
Allowance for funds used during construction | (21.9) | (12.0) | (18.0)
Interest income and other | (4.0) | (4.3) | (4.6)
Total interest expense and other | 89.5 | 102.7 | 102.1
Income from continuing operations before income taxes | 430.2 | 410.6 | 457.9
Income tax expense (benefit) | 89.4 | 69.2 | 147.7
Income from continuing operations, net of tax | 340.8 | 341.4 | 310.2
Loss from discontinued operations, net of tax | (5.1) | (19.5) | (3.9)
Net income | 335.7 | 321.9 | 306.3
Preferred dividend requirements of subsidiaries | 15.9 | 18.3 | 18.7
Net income attributable to common shareowners | 319.8 | 303.6 | 287.6
Weighted average number of common shares outstanding (basic) (000s) (in shares) | 110,753 | 110,626 | 110,442
Weighted average number of common shares outstanding (diluted) (000s) (in shares) | 110,768 | 110,678 | 110,521
Earnings per weighted average common share attributable to Alliant Energy common shareowners (basic and diluted): |  |  |
Income from continuing operations, net of tax (in dollars per share) | $ 2.93 | $ 2.92 | $ 2.64
Loss from discontinued operations, net of tax (in dollars per share) | $ (0.04) | $ (0.18) | $ (0.04)
Net income (in dollars per share) | $ 2.89 | $ 2.74 | $ 2.60
Amounts attributable to common shareowners: |  |  |
Income from continuing operations, net of tax | 324.9 | 323.1 | 291.5
Loss from discontinued operations, net of tax | (5.1) | (19.5) | (3.9)
Net income attributable to common shareowners | 319.8 | 303.6 | 287.6
Dividends declared per common share (in dollars per share) | $ 1.80 | $ 1.70 | $ 1.58
IPL [Member] |  |  |
Utility: |  |  |
Electric | 1,371.1 | 1,408.3 | 1,464.3
Gas | 226.7 | 276.3 | 274.3
Other | 52.5 | 55.5 | 57.2
Total operating revenues | 1,650.3 | 1,740.1 | 1,795.8
Utility: |  |  |
Electric production fuel and energy purchases | 344.5 | 383.1 | 418.0
Purchased electric capacity | 153.7 | 147.7 | 145.0
Electric transmission service | 235.0 | 219.2 | 179.1
Cost of gas sold | 124.9 | 175.6 | 178.7
Other operation and maintenance | 350.0 | 375.0 | 384.5
Depreciation and amortization | 188.9 | 179.1 | 177.0
Taxes other than income taxes | 53.0 | 52.0 | 51.6
Total operating expenses | 1,450.0 | 1,531.7 | 1,533.9
Operating income | 200.3 | 208.4 | 261.9
Interest expense and other: |  |  |
Interest expense | 78.5 | 78.7 | 82.2
Allowance for funds used during construction | (8.4) | (5.8) | (5.5)
Interest income and other | (0.2) | (0.2) | (0.5)
Total interest expense and other | 69.9 | 72.7 | 76.2
Income from continuing operations before income taxes | 130.4 | 135.7 | 185.7
Income tax expense (benefit) | (19.8) | (3.6) | 42.3
Net income | 150.2 | 139.3 | 143.4
Preferred dividend requirements of subsidiaries | 12.6 | 15.0 | 15.4
Net income attributable to common shareowners | 137.6 | 124.3 | 128.0
Amounts attributable to common shareowners: |  |  |
Net income attributable to common shareowners | 137.6 | 124.3 | 128.0
WPL [Member] |  |  |
Utility: |  |  |
Electric | 1,218.2 | 1,227.5 | 1,209.9
Gas | 169.6 | 200.4 | 206.3
Other | 4.2 | 6.5 | 7.4
Total operating revenues | 1,392.0 | 1,434.4 | 1,423.6
Utility: |  |  |
Electric production fuel and energy purchases | 367.8 | 381.4 | 401.2
Purchased electric capacity | 117.8 | 109.5 | 134.7
Electric transmission service | 106.3 | 104.6 | 100.4
Cost of gas sold | 92.3 | 119.6 | 125.3
Other operation and maintenance | 240.0 | 255.2 | 232.7
Depreciation and amortization | 140.9 | 140.1 | 108.6
Taxes other than income taxes | 42.1 | 43.6 | 41.9
Total operating expenses | 1,107.2 | 1,154.0 | 1,144.8
Operating income | 284.8 | 280.4 | 278.8
Interest expense and other: |  |  |
Interest expense | 80.2 | 79.9 | 78.6
Equity income from unconsolidated investments, net | (42.1) | (38.7) | (37.8)
Allowance for funds used during construction | (13.5) | (6.2) | (12.5)
Interest income and other | (0.1) | 0 | (0.1)
Total interest expense and other | 24.5 | 35.0 | 28.2
Income from continuing operations before income taxes | 260.3 | 245.4 | 250.6
Income tax expense (benefit) | 94.6 | 81.9 | 98.3
Net income | 165.7 | 163.5 | 152.3
Preferred dividend requirements of subsidiaries | 3.3 | 3.3 | 3.3
Net income attributable to common shareowners | 162.4 | 160.2 | 149.0
Amounts attributable to common shareowners: |  |  |
Net income attributable to common shareowners | $ 162.4 | $ 160.2 | $ 149.0

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