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Schedule I - Supplemental Cash Flow Information (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Notes to parent company financial statements |  |  |
Cash received (paid) for income taxes, net | $ 5.2 | $ 39.7 | $ (9.3)
WEC Energy Group |  |  |
Notes to parent company financial statements |  |  |
Cash (paid) for interest | (82.5) | (89.6) | (68.8)
Cash received (paid) for income taxes, net | 169.9 | (62.9) | 242.9
WEC Energy Group | Bluewater |  |  |
Notes to parent company financial statements |  |  |
Issuance of short-term note receivable | 115.0 | 0.0 | 0.0
WEC Energy Group | UMERC |  |  |
Notes to parent company financial statements |  |  |
Issuance of short-term note receivable | 40.5 | 0.0 | 0.0
WEC Energy Group | Bostco |  |  |
Notes to parent company financial statements |  |  |
Settlement of short-term note payable | 4.8 | 0.0 | 0.0
WEC Energy Group | Wisvest |  |  |
Notes to parent company financial statements |  |  |
Settlement of short-term note payable | $ 0.0 | $ 40.0 | $ 0.0

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