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Schedule I - Cash Dividends Received from Subsidiaries (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
WECI |  |  |
Notes to parent company financial statements |  |  |
Return of capital from subsidiaries | $ 843.9 | $ 171.6 | $ 363.7
Wispark |  |  |
Notes to parent company financial statements |  |  |
Return of capital from subsidiaries | 2.7 | 3.6 | 9.2
WEC Energy Group |  |  |
Notes to parent company financial statements |  |  |
Cash dividends received from subsidiaries | 792.4 | 935.7 | 1,035.6
Return of capital from subsidiaries | 846.6 | 175.2 | 372.9
WEC Energy Group | WE |  |  |
Notes to parent company financial statements |  |  |
Cash dividends received from subsidiaries | 240.0 | 370.0 | 630.0
WEC Energy Group | We Power |  |  |
Notes to parent company financial statements |  |  |
Cash dividends received from subsidiaries | 225.3 | 192.8 | 158.5
WEC Energy Group | WECI |  |  |
Notes to parent company financial statements |  |  |
Cash dividends received from subsidiaries | 127.2 | 93.7 | 87.7
WEC Energy Group | ATC Holding LLC |  |  |
Notes to parent company financial statements |  |  |
Cash dividends received from subsidiaries | 104.6 | 86.8 | 74.9
WEC Energy Group | WG |  |  |
Notes to parent company financial statements |  |  |
Cash dividends received from subsidiaries | 80.0 | 171.0 | 60.0
WEC Energy Group | UMERC |  |  |
Notes to parent company financial statements |  |  |
Cash dividends received from subsidiaries | 15.0 | 21.0 | 17.0
WEC Energy Group | Wispark |  |  |
Notes to parent company financial statements |  |  |
Cash dividends received from subsidiaries | $ 0.3 | $ 0.4 | $ 7.5

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