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Consumers Energy Company Consolidated Statements of Income (Unaudited) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Operating Revenue | $ 7,462 | $ 8,596 | $ 7,329
Operating Expenses |  |  |
Operating Income | 1,235 | 1,224 | 1,146
Other Income (Expense) |  |  |
Non-operating retirement benefits, net | 180 | 205 | 165
Other income | 195 | 19 | 30
Other expense | (13) | (27) | (18)
Total other income | 362 | 197 | 177
Interest Charges |  |  |
Interest on long-term debt | 616 | 509 | 481
Allowance for borrowed funds used during construction | (3) | (2) | (3)
Total interest charges | 643 | 519 | 500
Income Before Income Taxes | 954 | 902 | 823
Income Tax Expense | 147 | 93 | 95
Net Income | 887 | 837 | 1,353
Preferred Stock Dividends | 10 | 10 | 5
Net Income Available to Common Stockholders | 877 | 827 | 1,348
Related Party |  |  |
Interest Charges |  |  |
Other interest expense | 12 | 12 | 12
Nonrelated Party |  |  |
Interest Charges |  |  |
Other interest expense | 18 | 0 | 10
Consumers Energy Company |  |  |
Operating Revenue | 7,166 | 8,151 | 7,021
Operating Expenses |  |  |
Fuel for electric generation | 435 | 662 | 463
Purchased and interchange power | 1,331 | 1,867 | 1,599
Purchased power – related parties | 75 | 76 | 77
Cost of gas sold | 897 | 1,243 | 726
Maintenance and other operating expenses | 1,586 | 1,582 | 1,531
Depreciation and amortization | 1,137 | 1,088 | 1,077
General taxes | 437 | 400 | 373
Total operating expenses | 5,898 | 6,918 | 5,846
Operating Income | 1,268 | 1,233 | 1,175
Other Income (Expense) |  |  |
Non-operating retirement benefits, net | 171 | 195 | 155
Other income | 49 | 17 | 23
Other expense | (12) | (25) | (18)
Total other income | 208 | 187 | 160
Interest Charges |  |  |
Interest on long-term debt | 415 | 325 | 294
Allowance for borrowed funds used during construction | (3) | (2) | (3)
Total interest charges | 448 | 335 | 311
Income Before Income Taxes | 1,028 | 1,085 | 1,024
Income Tax Expense | 161 | 140 | 156
Net Income | 867 | 945 | 868
Preferred Stock Dividends | 2 | 2 | 2
Net Income Available to Common Stockholders | 865 | 943 | 866
Consumers Energy Company | Related Party |  |  |
Interest Charges |  |  |
Other interest expense | 20 | 12 | 12
Consumers Energy Company | Nonrelated Party |  |  |
Interest Charges |  |  |
Other interest expense | $ 16 | $ 0 | $ 8

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