| Income Statement | 2025-09-30 | 2025-06-30 | 2025-03-31 | 2024-09-30 |
|---|---|---|---|---|
| Electric utility | - | - | - | 999 |
| Total revenues | 1,210 | 961 | 1,128 | - |
| Gas utility | - | - | - | 49 |
| Other utility | - | - | - | 12 |
| Non-utility | - | - | - | 21 |
| Total revenues | - | - | - | 1,081 |
| Electric production fuel and purchased power | 239 | 150 | 175 | 192 |
| Electric transmission service | 166 | 151 | 158 | 165 |
| Cost of gas sold | 12 | 30 | 137 | 13 |
| Asset valuation charge for ipl's lansing generating station | 0 | 0 | - | 0 |
| Other operation and maintenance | 204 | 168 | 160 | 174 |
| Depreciation and amortization | 211 | 208 | 211 | 195 |
| Taxes other than income taxes | 29 | 31 | 30 | 29 |
| Total operating expenses | 861 | 738 | 871 | 768 |
| Operating income | 349 | 223 | 257 | 313 |
| Interest expense | 128 | 124 | 119 | 114 |
| Equity income from unconsolidated investments, net | 18 | 10 | 13 | 14 |
| Allowance for funds used during construction | 24 | 23 | 18 | 20 |
| Other | 0 | -1 | -3 | 0 |
| Total other (income) and deductions | -86 | -92 | -91 | -80 |
| Income before income taxes | 263 | 131 | 166 | 233 |
| Income tax expense (benefit) | -18 | -43 | -47 | -62 |
| Net income attributable to common shareowners | 281 | 174 | 213 | 295 |
| Basic (in dollars per share) | 1.09 | 0.68 | 0.83 | 1.15 |
| Basic (in shares) | 257,000,000 | 256,900,000 | 256,800,000 | 256,600,000 |
| Diluted (in dollars per share) | 1.09 | 0.68 | 0.83 | 1.15 |
| Diluted (in shares) | 257,800,000 | 257,300,000 | 257,200,000 | 256,900,000 |
ALLIANT ENERGY CORP (LNT)
ALLIANT ENERGY CORP (LNT)