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Schedule I - Income Statements (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Income statements |  |  |
Other income, net | $ 178.2 | $ 177.7 | $ 128.8
Gain on debt extinguishments | (23.1) | (0.5) | 0.0
Income before income taxes | 1,746.3 | 1,536.3 | 1,732.6
Income tax benefit | (222.0) | (204.6) | (322.9)
Net income attributed to common shareholders | 1,527.2 | 1,331.7 | 1,408.1
WEC Energy Group |  |  |
Income statements |  |  |
Operating expenses (income) | 5.4 | 2.5 | (1.6)
Equity earnings of subsidiaries | 1,724.2 | 1,502.5 | 1,473.0
Other income, net | 32.0 | 19.6 | 2.4
Interest expense | 333.6 | 260.8 | 109.6
Gain on debt extinguishments | (23.1) | 0.0 | 0.0
Income before income taxes | 1,440.3 | 1,258.8 | 1,367.4
Income tax benefit | 86.9 | 72.9 | 40.7
Net income attributed to common shareholders | $ 1,527.2 | $ 1,331.7 | $ 1,408.1

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