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Schedule I - Supplemental Cash Flow Information (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Notes to parent company financial statements |  |  |
Cash received for income taxes, net | $ (264.2) | $ (58.9) | $ 52.4
WEC Energy Group |  |  |
Notes to parent company financial statements |  |  |
Cash paid for interest | 324.2 | 209.1 | 88.1
Cash received for income taxes, net | (66.7) | (104.5) | (72.9)
WEC Energy Group | WECI |  |  |
Notes to parent company financial statements |  |  |
Issuance of long-term note receivable to WECI | 300.0 | 430.0 | 0.0
Repayment of long-term note receivable to WECI | $ 430.0 | $ 0.0 | $ 0.0

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