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v3.6.0.2

Consolidated Statements of Capitalization - USD ($) $ in Millions | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Common equity | $ 8,960.2 | $ 8,685.2
Preferred stock of subsidiary | 30.4 | 30.4
Obligations under capital leases | 29.6 | 59.9
Total | 9,352.0 | 9,314.6
Integrys acquisition fair value adjustment | 33.3 | 41.1
Unamortized debt issuance costs | (38.1) | (37.8)
Unamortized discount, net and other | 31.8 | 36.1
Total long-term debt, including current portion | 9,315.4 | 9,281.8
Current portion of long-term debt and capital lease obligations | (157.2) | (157.7)
Total long-term debt | 9,158.2 | 9,124.1
Total long-term capitalization | $ 18,118.4 | $ 17,809.3
WEC Senior Notes due June 15, 2018 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 1.65% |
WEC Senior Notes due June 15, 2020 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 2.45% |
WEC Senior Notes due June 15, 2025 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.55% |
Notes (unsecured), 6.20% due 2033 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 6.20% |
Junior Notes (unsecured), 6.25% due 2067 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 6.25% |
Debentures (unsecured), 1.70% due 2018 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 1.70% |
Debentures (unsecured), 4.25% due 2019 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.25% |
Debentures (unsecured) 2.95% due 2021 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 2.95% |
Wis Elec Debenture due June 1, 2025 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.10% |
Debentures (unsecured), 6-1/2% due 2028 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 6.50% |
Debentures (unsecured), 5.625% due 2033 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 5.625% |
Debentures (unsecured), 5.70% due 2036 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 5.70% |
Debentures (unsecured), 3.65% due 2042 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.65% |
Debentures (unsecured), 4.25% due 2044 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.25% |
Wis Elec Debenture due December 15, 2045 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.30% |
Debentures (unsecured), 6-7/8% due 2095 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 6.875% |
Long Term Debt 5.65 Percent Series, Due 2017 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 5.65% |
Long Term Debt 1.65% Series, Due 2018 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 1.65% |
Long Term Debt 6.08 Percent Series, Due 2028 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 6.08% |
Long Term Debt 5.55 Percent Series, Due 2036 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 5.55% |
Long Term Debt 3.671% Series, Year Due, 2042 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.671% |
Long Term debt 4.752% Series, Year Due 2044 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.752% |
Wis Gas Debenture due September 30, 2025 [Member] [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.53% |
Debentures (unsecured), 5.90% due 2035 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 5.90% |
Debentures (unsecured), 3.71% due 2046 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.71% |
Fixed First and Refunding Mortgage XX Series 2.21 Percent Bonds, Due 2016 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 2.21% |
Fixed First and Refunding Mortgage TT Series 8 Percent Bonds, Due 2018 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 8.00% |
Fixed First and Refunding Mortgage UU Series 4.63 Percent Bonds, Due 2019 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.63% |
Fixed First and Refunding Mortgage VV Series 3.900 Percent Bonds, Due 2030 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.90% |
Fixed First and Refunding Mortgage WW Series 1.875 Percent Bonds, Due 2033 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 1.875% |
First and Refunding Mortgage Bonds, Series ZZ, 4.0% bonds due 2033 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.00% |
Fixed First and Refunding Mortgage RR Series 4.3 Percent Bonds, Due 2035 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.30% |
Fixed First and Refunding Mortgage YY Series 3.98 Percent Bonds Due 2042 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.98% |
First and Refunding Mortgage Bonds, Series AAA, 3.96% bonds due 2043 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.96% |
First and Refunding Mortgage Bonds, Series BBB, 4.21% bonds due 2044 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.21% |
Bonds, Series CCC, 3.65%, due 2046 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.65% |
Bonds, Series DDD, 3.65%, due 2046 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.65% |
First Mortgage Bonds P Series 3.43 Percent Bonds [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.43% |
First Mortgage Series Q, 3.96% bonds due 2043 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.96% |
Notes (secured, nonrecourse), 4.91% due 2015-2030 [Member] [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.91% |
Notes (secured, nonrecourse), 5.209% due 2015-2030 [Member] [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 5.209% |
Notes (secured, nonrecourse), 4.673% due 2015-2031 [Member] [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.673% |
Notes (secured, nonrecourse), 6.00% due 2015-2033 [Member] [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 6.00% |
Notes (secured, nonrecourse), 6.09% due 2030-2040 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 6.09% |
Notes (secured, nonrecourse), 5.848% due 2031-2041 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 5.848% |
Notes (unsecured), 6.94% due 2028 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 6.94% |
Unsecured Senior Notes 8 Percent, Due 2016 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 8.00% |
Unsecured Senior Notes 4.17 Percent, Due 2020 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.17% |
TEG Junior Subordinated Notes, 6.11% due 2066 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 3.05% | 6.11%
TEG Junior Subordinated Notes, 6.00% due 2073 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 6.00% |
Notes (secured, nonrecourse), 4.81% effective rate due 2030 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.81% |
WEC Energy Group |  |
Common equity | $ 8,929.8 | $ 8,654.8
WEC Energy Group | WEC Senior Notes due June 15, 2018 [Member] |  |
Long-Term debt, Unsecured | 300.0 | 300.0
WEC Energy Group | WEC Senior Notes due June 15, 2020 [Member] |  |
Long-Term debt, Unsecured | 400.0 | 400.0
WEC Energy Group | WEC Senior Notes due June 15, 2025 [Member] |  |
Long-Term debt, Unsecured | $ 500.0 | 500.0
WEC Energy Group | Notes (unsecured), 6.20% due 2033 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 6.20% |
Long-Term debt, Unsecured | $ 200.0 | 200.0
WEC Energy Group | Junior Notes (unsecured), 6.25% due 2067 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 6.25% |
Long-Term debt, Unsecured | $ 500.0 | 500.0
WE | Debentures (unsecured), 1.70% due 2018 [Member] |  |
Long-Term debt, Unsecured | 250.0 | 250.0
WE | Debentures (unsecured), 4.25% due 2019 [Member] |  |
Long-Term debt, Unsecured | 250.0 | 250.0
WE | Debentures (unsecured) 2.95% due 2021 [Member] |  |
Long-Term debt, Unsecured | 300.0 | 300.0
WE | Wis Elec Debenture due June 1, 2025 [Member] |  |
Long-Term debt, Unsecured | 250.0 | 250.0
WE | Debentures (unsecured), 6-1/2% due 2028 [Member] |  |
Long-Term debt, Unsecured | 150.0 | 150.0
WE | Debentures (unsecured), 5.625% due 2033 [Member] |  |
Long-Term debt, Unsecured | 335.0 | 335.0
WE | Debentures (unsecured), 5.70% due 2036 [Member] |  |
Long-Term debt, Unsecured | 300.0 | 300.0
WE | Debentures (unsecured), 3.65% due 2042 [Member] |  |
Long-Term debt, Unsecured | 250.0 | 250.0
WE | Debentures (unsecured), 4.25% due 2044 [Member] |  |
Long-Term debt, Unsecured | 250.0 | 250.0
WE | Wis Elec Debenture due December 15, 2045 [Member] |  |
Long-Term debt, Unsecured | 250.0 | 250.0
WE | Debentures (unsecured), 6-7/8% due 2095 [Member] |  |
Long-Term debt, Unsecured | 100.0 | 100.0
WG | Wis Gas Debenture due September 30, 2025 [Member] [Member] |  |
Long-Term debt, Unsecured | 200.0 | 200.0
WG | Debentures (unsecured), 5.90% due 2035 [Member] |  |
Long-Term debt, Unsecured | 90.0 | 90.0
WG | Debentures (unsecured), 3.71% due 2046 [Member] |  |
Long-Term debt, Unsecured | 200.0 | 0.0
WPS | Long Term Debt 5.65 Percent Series, Due 2017 [Member] |  |
Long-Term debt, Unsecured | 125.0 | 125.0
WPS | Long Term Debt 1.65% Series, Due 2018 [Member] |  |
Long-Term debt, Unsecured | 250.0 | 250.0
WPS | Long Term Debt 6.08 Percent Series, Due 2028 [Member] |  |
Long-Term debt, Unsecured | 50.0 | 50.0
WPS | Long Term Debt 5.55 Percent Series, Due 2036 [Member] |  |
Long-Term debt, Unsecured | 125.0 | 125.0
WPS | Long Term Debt 3.671% Series, Year Due, 2042 [Member] |  |
Long-Term debt, Unsecured | 300.0 | 300.0
WPS | Long Term debt 4.752% Series, Year Due 2044 [Member] |  |
Long-Term debt, Unsecured | 450.0 | 450.0
PGL | Fixed First and Refunding Mortgage XX Series 2.21 Percent Bonds, Due 2016 [Member] |  |
Long-Term debt, Secured | 0.0 | 50.0
PGL | Fixed First and Refunding Mortgage TT Series 8 Percent Bonds, Due 2018 [Member] |  |
Long-Term debt, Secured | 5.0 | 5.0
PGL | Fixed First and Refunding Mortgage UU Series 4.63 Percent Bonds, Due 2019 [Member] |  |
Long-Term debt, Secured | 75.0 | 75.0
PGL | Fixed First and Refunding Mortgage VV Series 3.900 Percent Bonds, Due 2030 [Member] |  |
Long-Term debt, Secured | 50.0 | 50.0
PGL | Fixed First and Refunding Mortgage WW Series 1.875 Percent Bonds, Due 2033 [Member] |  |
Long-Term debt, Secured | 50.0 | 50.0
PGL | First and Refunding Mortgage Bonds, Series ZZ, 4.0% bonds due 2033 [Member] |  |
Long-Term debt, Secured | 50.0 | 50.0
PGL | Fixed First and Refunding Mortgage RR Series 4.3 Percent Bonds, Due 2035 [Member] |  |
Long-Term debt, Secured | 0.0 | 50.0
PGL | Fixed First and Refunding Mortgage YY Series 3.98 Percent Bonds Due 2042 [Member] |  |
Long-Term debt, Secured | 100.0 | 100.0
PGL | First and Refunding Mortgage Bonds, Series AAA, 3.96% bonds due 2043 [Member] |  |
Long-Term debt, Secured | 220.0 | 220.0
PGL | First and Refunding Mortgage Bonds, Series BBB, 4.21% bonds due 2044 [Member] |  |
Long-Term debt, Secured | 200.0 | 200.0
PGL | Bonds, Series CCC, 3.65%, due 2046 [Member] |  |
Long-Term debt, Secured | 50.0 | 0.0
PGL | Bonds, Series DDD, 3.65%, due 2046 [Member] |  |
Long-Term debt, Secured | 150.0 | 0.0
NSG | First Mortgage Bonds P Series 3.43 Percent Bonds [Member] |  |
Long-Term debt, Secured | 28.0 | 28.0
NSG | First Mortgage Series Q, 3.96% bonds due 2043 [Member] |  |
Long-Term debt, Secured | $ 54.0 | 54.0
We Power | Notes (secured, nonrecourse), 4.91% due 2015-2030 [Member] [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.91% |
Long-Term debt, Secured | $ 106.7 | 112.1
We Power | Notes (secured, nonrecourse), 5.209% due 2015-2030 [Member] [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 5.209% |
Long-Term debt, Secured | $ 204.8 | 215.0
We Power | Notes (secured, nonrecourse), 4.673% due 2015-2031 [Member] [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 4.673% |
Long-Term debt, Secured | $ 170.9 | 178.3
We Power | Notes (secured, nonrecourse), 6.00% due 2015-2033 [Member] [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 6.00% |
Long-Term debt, Secured | $ 126.1 | 130.5
We Power | Notes (secured, nonrecourse), 6.09% due 2030-2040 [Member] |  |
Long-Term debt, Secured | 275.0 | 275.0
We Power | Notes (secured, nonrecourse), 5.848% due 2031-2041 [Member] |  |
Long-Term debt, Secured | 215.0 | 215.0
WECC | Notes (unsecured), 6.94% due 2028 [Member] |  |
Long-Term debt, Unsecured | 50.0 | 50.0
Integrys Holding Inc | Unsecured Senior Notes 8 Percent, Due 2016 [Member] |  |
Long-Term debt, Unsecured | 0.0 | 50.0
Integrys Holding Inc | Unsecured Senior Notes 4.17 Percent, Due 2020 [Member] |  |
Long-Term debt, Unsecured | 250.0 | 250.0
Integrys Holding Inc | TEG Junior Subordinated Notes, 6.11% due 2066 [Member] |  |
Long-Term debt, Unsecured | $ 114.9 | 269.8
Integrys Holding Inc | TEG Junior Subordinated Notes, 6.00% due 2073 [Member] |  |
Debt Instrument, Interest Rate, Stated Percentage | 6.00% |
Long-Term debt, Unsecured | $ 400.0 | 400.0
Bostco | Notes (secured, nonrecourse), 4.81% effective rate due 2030 [Member] |  |
Long-Term debt, Secured | 2.0 | 2.0
Total Common Shareholders' Equity |  |
Common equity | $ 8,929.8 | $ 8,654.8

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- Definition Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Carrying amount of collateralized debt obligations with maturities initially due after one year or beyond the operating cycle, if longer, excluding the current portion. Obligations include, but not limited to, mortgage loans, chattel loans, and other borrowings secured by assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Carrying value as of the balance sheet date of uncollateralized debt obligation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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