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Schedule I - Cash Dividends Received from Subsidiaries (Details) - WEC Energy Group - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Notes to parent company financial statements |  |  |
Cash dividends received from subsidiaries | $ 735.3 | $ 688.9 | $ 548.6
WE |  |  |
Notes to parent company financial statements |  |  |
Cash dividends received from subsidiaries | 360.0 | 310.0 | 240.0
We Power |  |  |
Notes to parent company financial statements |  |  |
Cash dividends received from subsidiaries | 192.5 | 223.0 | 181.0
ATC Holding LLC |  |  |
Notes to parent company financial statements |  |  |
Cash dividends received from subsidiaries | 87.4 | 105.8 | 82.6
WG |  |  |
Notes to parent company financial statements |  |  |
Cash dividends received from subsidiaries | 60.0 | 50.0 | 45.0
WECI |  |  |
Notes to parent company financial statements |  |  |
Cash dividends received from subsidiaries | 25.4 | 0.0 | 0.0
UMERC |  |  |
Notes to parent company financial statements |  |  |
Cash dividends received from subsidiaries | 10.0 | 0.0 | 0.0
Wisvest |  |  |
Notes to parent company financial statements |  |  |
Cash dividends received from subsidiaries | $ 0.0 | $ 0.1 | $ 0.0

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