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Preferred Stock | 12 Months Ended
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Dec. 31, 2017
Class of Stock Disclosures [Abstract] |
PREFERRED STOCK | PREFERRED STOCK The following table shows preferred stock authorized and outstanding at December 31, 2017 and 2016:
(in millions, except share and per share amounts) |  | Shares Authorized |  | Shares Outstanding |  | Redemption Price Per Share |  | Total
WEC Energy Group |  |  |  |  |  |  |  |
$.01 par value Preferred Stock |  | 15,000,000 |  |  | — |  |  | — |  |  | $ | — |
WE |  |  |  |  |  |  |  |
$100 par value, Six Per Cent. Preferred Stock |  | 45,000 |  |  | 44,498 |  |  | — |  |  | 4.4 |
$100 par value, Serial Preferred Stock |  | 2,286,500 |  |  |  |  |  |  |
3.60% Series |  |  |  | 260,000 |  |  | $ | 101 |  |  | 26.0 |
$25 par value, Serial Preferred Stock |  | 5,000,000 |  |  | — |  |  | — |  |  | — |
WPS |  |  |  |  |  |  |  |
$100 par value, Preferred Stock |  | 1,000,000 |  |  | — |  |  | — |  |  | — |
PGL |  |  |  |  |  |  |  |
$100 par value, Cumulative Preferred Stock |  | 430,000 |  |  | — |  |  | — |  |  | — |
NSG |  |  |  |  |  |  |  |
$100 par value, Cumulative Preferred Stock |  | 160,000 |  |  | — |  |  | — |  |  | — |
Total |  |  |  |  |  |  |  | $ | 30.4 |

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- Definition The entire disclosure for terms, amounts, nature of changes, rights and privileges, dividends, and other matters related to preferred stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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