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v3.22.1

Condensed Consolidated Statements Of Income - USD ($) shares in Thousands, $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Revenues: |  |
Electric utility | $ 773 | $ 701
Gas utility | 262 | 170
Other utility | 11 | 13
Non-utility | 22 | 17
Total revenues | 1,068 | 901
Operating expenses: |  |
Electric production fuel and purchased power | 168 | 133
Electric transmission service | 138 | 134
Cost of gas sold | 168 | 100
Other operation and maintenance | 153 | 146
Depreciation and amortization | 166 | 164
Taxes other than income taxes | 27 | 26
Total operating expenses | 820 | 703
Operating income | 248 | 198
Other (income) and deductions: |  |
Interest expense | 74 | 69
Equity income from unconsolidated investments, net | (15) | (15)
Allowance for funds used during construction | (11) | (4)
Other | 0 | 2
Total other (income) and deductions | 48 | 52
Income before income taxes | 200 | 146
Income tax expense (benefit) | 8 | (28)
Net income | 192 | 174
Preferred dividend requirements of Interstate Power and Light Company | 0 | 3
Net income attributable to common shareowners | $ 192 | $ 171
Weighted average number of common shares outstanding: |  |
Basic (in shares) | 250,600 | 250,000
Diluted (in shares) | 250,900 | 250,400
Earnings per weighted average common share attributable to Alliant Energy common shareowners (basic) (in dollars per share) | $ 0.77 | $ 0.68
Earnings per weighted average common share attributable to Alliant Energy common shareowners (diluted) (in dollars per share) | $ 0.77 | $ 0.68
IPL [Member] |  |
Revenues: |  |
Electric utility | $ 400 | $ 386
Gas utility | 139 | 91
Other utility | 11 | 12
Total revenues | 550 | 489
Operating expenses: |  |
Electric production fuel and purchased power | 67 | 59
Electric transmission service | 97 | 92
Cost of gas sold | 85 | 50
Other operation and maintenance | 83 | 77
Depreciation and amortization | 94 | 94
Taxes other than income taxes | 14 | 14
Total operating expenses | 440 | 386
Operating income | 110 | 103
Other (income) and deductions: |  |
Interest expense | 37 | 35
Allowance for funds used during construction | (3) | (2)
Total other (income) and deductions | 34 | 33
Income before income taxes | 76 | 70
Income tax expense (benefit) | (11) | (12)
Net income | 87 | 82
Preferred dividend requirements of Interstate Power and Light Company | 0 | 3
Net income attributable to common shareowners | 87 | 79
WPL [Member] |  |
Revenues: |  |
Electric utility | 373 | 315
Gas utility | 123 | 79
Other utility | 0 | 1
Total revenues | 496 | 395
Operating expenses: |  |
Electric production fuel and purchased power | 101 | 74
Electric transmission service | 41 | 42
Cost of gas sold | 83 | 50
Other operation and maintenance | 58 | 59
Depreciation and amortization | 70 | 69
Taxes other than income taxes | 12 | 11
Total operating expenses | 365 | 305
Operating income | 131 | 90
Other (income) and deductions: |  |
Interest expense | 27 | 26
Allowance for funds used during construction | (9) | (2)
Other | 0 | 1
Total other (income) and deductions | 18 | 25
Income before income taxes | 113 | 65
Income tax expense (benefit) | 21 | (19)
Net income | $ 92 | $ 84

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