v3.26.1
Consolidated Statement of Income (Loss) and Comprehensive Income - USD ($)
shares in Millions, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Operating Revenues:        
Operating Revenues $ 2,092 $ 2,221 $ 4,268 $ 4,318
Operating Expenses:        
Fuel and purchased power 507 794 940 1,296
Natural gas purchased for resale 39 39 210 208
Other operations and maintenance 521 460 1,012 945
Depreciation and amortization 420 386 818 753
Taxes other than income taxes 146 131 297 275
Total operating expenses 1,633 1,810 3,277 3,477
Operating Income 459 411 991 841
Other Income, Net 118 96 208 181
Interest Charges 209 187 413 362
Income Before Income Taxes 368 320 786 660
Income Taxes 52 43 112 93
Net Income 316 277 674 567
Less: Net Income Attributable to Noncontrolling Interests 2 2 3 3
Preferred Stock Dividends 2 2 3 3
Net income attributable to Ameren common shareholders 314 275 671 564
Pension and other postretirement benefit plan activity, net of income taxes (benefit) (1) (2) (1) (2)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax 6 (2) 4 (6)
Comprehensive Income 321 273 677 559
Less: Comprehensive Income Attributable to Noncontrolling Interests 2 2 3 3
Comprehensive Income Attributable to Ameren Common Shareholders $ 319 $ 271 $ 674 $ 556
Earnings per Common Share - Basic $ 1.14 $ 1.02 $ 2.43 $ 2.09
Earnings per Common Share - Basic $ 1.13 $ 1.01 $ 2.41 $ 2.08
Weighted-average Common Shares Outstanding – Basic 276.8 270.3 276.6 270.1
Weighted-average Common Shares Outstanding – Diluted 278.7 271.6 278.6 271.5
Electric        
Operating Revenues:        
Operating Revenues $ 1,887 $ 2,038 $ 3,548 $ 3,660
Natural gas        
Operating Revenues:        
Operating Revenues 205 183 720 658
Union Electric Company        
Operating Revenues:        
Operating Revenues 1,124 1,340 2,054 2,297
Operating Expenses:        
Fuel and purchased power 318 614 532 944
Natural gas purchased for resale 7 9 41 39
Other operations and maintenance 282 238 546 488
Depreciation and amortization 234 209 448 403
Taxes other than income taxes 101 89 196 178
Total operating expenses 942 1,159 1,763 2,052
Operating Income 182 181 291 245
Other Income, Net 60 47 113 90
Interest Charges 83 70 165 130
Income Before Income Taxes 159 158 239 205
Income Taxes 1 7 4 11
Net Income 158 151 235 194
Preferred Stock Dividends 1 1 2 2
Net income attributable to Ameren common shareholders 157 150 233 192
Union Electric Company | Electric        
Operating Revenues:        
Operating Revenues 1,094 1,315 1,945 2,208
Union Electric Company | Natural gas        
Operating Revenues:        
Operating Revenues 30 25 109 89
Ameren Illinois Company        
Operating Revenues:        
Operating Revenues 928 843 2,127 1,943
Operating Expenses:        
Purchased Power 193 183 415 358
Natural gas purchased for resale 32 30 169 169
Other operations and maintenance 248 225 480 461
Depreciation and amortization 172 163 342 322
Taxes other than income taxes 39 37 91 88
Total operating expenses 684 638 1,497 1,398
Operating Income 244 205 630 545
Other Income, Net 26 37 55 71
Interest Charges 69 63 137 125
Income Before Income Taxes 201 179 548 491
Income Taxes 53 41 144 117
Net Income 148 138 404 374
Preferred Stock Dividends 1 1 1 1
Net income attributable to Ameren common shareholders 147 137 403 373
Ameren Illinois Company | Electric        
Operating Revenues:        
Operating Revenues 752 685 1,515 1,374
Ameren Illinois Company | Natural gas        
Operating Revenues:        
Operating Revenues $ 176 $ 158 $ 612 $ 569