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Condensed Consolidated Statements Of Income - USD ($) shares in Millions, $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014
Utility: |  |  |  |
Electric | $ 640.4 | $ 643.9 | $ 1,311.7 | $ 1,319.7
Gas | 51.7 | 76.9 | 250.1 | 317.6
Other | 14.8 | 15.6 | 31.2 | 38.4
Non-regulated | 10.3 | 13.9 | 21.6 | 27.4
Total operating revenues | 717.2 | 750.3 | 1,614.6 | 1,703.1
Utility: |  |  |  |
Electric production fuel and purchased power | 185.2 | 214.1 | 401.1 | 452.8
Electric transmission service | 116.9 | 105.5 | 240.1 | 219.6
Cost of gas sold | 21.9 | 45.0 | 152.7 | 206.9
Other operation and maintenance | 157.3 | 160.7 | 303.9 | 321.7
Non-regulated operation and maintenance | 0.0 | 1.8 | 1.3 | 3.1
Depreciation and amortization | 100.4 | 95.8 | 200.6 | 191.3
Taxes other than income taxes | 26.5 | 24.1 | 53.0 | 50.2
Total operating expenses | 608.2 | 647.0 | 1,352.7 | 1,445.6
Operating income | 109.0 | 103.3 | 261.9 | 257.5
Interest expense and other: |  |  |  |
Interest expense | 46.5 | 45.1 | 93.1 | 90.3
Equity income from unconsolidated investments, net | (11.3) | (11.3) | (17.8) | (22.7)
Allowance for funds used during construction | (8.6) | (8.4) | (15.4) | (17.5)
Interest income and other | (0.2) | 0.1 | (0.3) | (1.6)
Total interest expense and other | 26.4 | 25.5 | 59.6 | 48.5
Income from continuing operations before income taxes | 82.6 | 77.8 | 202.3 | 209.0
Income tax expense (benefit) | 11.2 | 13.2 | 31.7 | 33.8
Income from continuing operations, net of tax | 71.4 | 64.6 | 170.6 | 175.2
Loss from discontinued operations, net of tax | (1.3) | (0.3) | (1.3) | (0.3)
Net income (loss) | 70.1 | 64.3 | 169.3 | 174.9
Preferred dividend requirements of IPL | 2.5 | 2.5 | 5.1 | 5.1
Net income (loss) attributable to common shareowners | $ 67.6 | $ 61.8 | $ 164.2 | $ 169.8
Weighted average number of common shares outstanding (basic and diluted) (in shares) | 113.1 | 110.8 | 112.1 | 110.8
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) | $ 0.61 | $ 0.56 | $ 1.47 | $ 1.53
Loss from discontinued operations, net of tax (in dollars per share) | (0.01) | 0.00 | (0.01) | 0.00
Net income (in dollars per share) | $ 0.60 | $ 0.56 | $ 1.46 | $ 1.53
Amounts attributable to common shareowners: |  |  |  |
Income from continuing operations, net of tax | $ 68.9 | $ 62.1 | $ 165.5 | $ 170.1
Loss from discontinued operations, net of tax | (1.3) | (0.3) | (1.3) | (0.3)
Net income (loss) attributable to common shareowners | $ 67.6 | $ 61.8 | $ 164.2 | $ 169.8
Dividends declared per common share (in dollars per share) | $ 0.55 | $ 0.51 | $ 1.10 | $ 1.02
IPL [Member] |  |  |  |
Utility: |  |  |  |
Electric | $ 339.4 | $ 354.6 | $ 702.0 | $ 728.8
Gas | 29.8 | 43.7 | 141.0 | 179.4
Other | 13.0 | 13.6 | 28.2 | 32.6
Total operating revenues | 382.2 | 411.9 | 871.2 | 940.8
Utility: |  |  |  |
Electric production fuel and purchased power | 90.5 | 122.9 | 200.6 | 262.9
Electric transmission service | 77.9 | 75.4 | 161.8 | 159.0
Cost of gas sold | 13.0 | 25.7 | 84.0 | 113.8
Other operation and maintenance | 100.6 | 92.1 | 193.2 | 189.3
Depreciation and amortization | 52.1 | 48.9 | 103.9 | 97.6
Taxes other than income taxes | 14.3 | 12.9 | 28.4 | 26.7
Total operating expenses | 348.4 | 377.9 | 771.9 | 849.3
Operating income | 33.8 | 34.0 | 99.3 | 91.5
Interest expense and other: |  |  |  |
Interest expense | 23.9 | 22.6 | 48.0 | 45.1
Allowance for funds used during construction | (6.7) | (6.0) | (12.0) | (12.0)
Interest income and other | 0.0 | (0.1) | (0.1) | (0.1)
Total interest expense and other | 17.2 | 16.5 | 35.9 | 33.0
Income from continuing operations before income taxes | 16.6 | 17.5 | 63.4 | 58.5
Income tax expense (benefit) | (2.6) | (3.4) | (6.2) | (8.4)
Net income (loss) | 19.2 | 20.9 | 69.6 | 66.9
Preferred dividend requirements of IPL | 2.5 | 2.5 | 5.1 | 5.1
Net income (loss) attributable to common shareowners | 16.7 | 18.4 | 64.5 | 61.8
Amounts attributable to common shareowners: |  |  |  |
Net income (loss) attributable to common shareowners | 16.7 | 18.4 | 64.5 | 61.8
WPL [Member] |  |  |  |
Utility: |  |  |  |
Electric | 301.0 | 289.3 | 609.7 | 590.9
Gas | 21.9 | 33.2 | 109.1 | 138.2
Other | 1.8 | 2.0 | 3.0 | 5.8
Total operating revenues | 324.7 | 324.5 | 721.8 | 734.9
Utility: |  |  |  |
Electric production fuel and purchased power | 94.7 | 91.2 | 200.5 | 189.9
Electric transmission service | 39.0 | 30.1 | 78.3 | 60.6
Cost of gas sold | 8.9 | 19.3 | 68.7 | 93.1
Other operation and maintenance | 56.7 | 68.6 | 110.7 | 132.4
Depreciation and amortization | 45.8 | 44.7 | 91.8 | 89.4
Taxes other than income taxes | 11.3 | 10.6 | 22.7 | 21.8
Total operating expenses | 256.4 | 264.5 | 572.7 | 587.2
Operating income | 68.3 | 60.0 | 149.1 | 147.7
Interest expense and other: |  |  |  |
Interest expense | 23.3 | 21.1 | 46.4 | 42.2
Equity income from unconsolidated investments, net | (11.3) | (11.4) | (19.1) | (22.8)
Allowance for funds used during construction | (1.9) | (2.4) | (3.4) | (5.5)
Interest income and other | (0.1) | 0.3 | 0.0 | 0.3
Total interest expense and other | 10.0 | 7.6 | 23.9 | 14.2
Income from continuing operations before income taxes | 58.3 | 52.4 | 125.2 | 133.5
Income tax expense (benefit) | 18.8 | 17.8 | 40.9 | 44.1
Net income (loss) | 39.5 | 34.6 | 84.3 | 89.4
Net income attributable to noncontrolling interest | 0.5 | 0.0 | 0.7 | 0.0
Net income (loss) attributable to common shareowners | 39.0 | 34.6 | 83.6 | 89.4
Amounts attributable to common shareowners: |  |  |  |
Net income (loss) attributable to common shareowners | $ 39.0 | $ 34.6 | $ 83.6 | $ 89.4

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