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Schedule I - Supplemental Cash Flow Information (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Notes to parent company financial statements |  |  |
Cash (paid) received for income taxes, net |  | $ 9.3 | $ 22.0
WEC Energy Group |  |  |
Notes to parent company financial statements |  |  |
Cash (paid) for interest | $ (89.6) | (68.8) | (44.4)
Cash (paid) received for income taxes, net | (62.9) | $ 242.9 | $ 95.1
Short-term note payable settled through a non-cash capital contribution | $ 40.0 |  |

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