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- References

No definition available.

Name:	us-gaap_PublicUtilitiesRateMattersRequestedAbstract
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Percentage of public utility's requested equity to capital, including debt and equity.

No definition available.

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Amount of public utility's requested rate increase (decrease) with regulatory agency.

No definition available.

Name:	us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount
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Data Type:	xbrli:monetaryItemType
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Percentage of public utility's requested rate increase (decrease) with regulatory agency.

No definition available.

Name:	us-gaap_PublicUtilitiesRequestedRateIncreaseDecreasePercentage
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Percentage of public utility's requested return on equity.

No definition available.

Name:	us-gaap_PublicUtilitiesRequestedReturnOnEquityPercentage
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Percentage of utility earnings in excess of 25 basis points above the utility’s authorized return on equity (ROE), but not exceeding 75 basis points above the authorized ROE, that will be refunded to customers.

No definition available.

Name:	wec_Percentageofadditionalearningsbetween25and75basispointsrefundedtocustomers
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Percentage of utility earnings in excess of 75 basis points above the utility’s authorized return on equity (ROE) that will be refunded to customers.

No definition available.

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Percentage of first 25 basis points of utility earnings above the utility’s authorized return on equity (ROE) that will be retained by the utility.

No definition available.

Name:	wec_Percentageoffirst25basispointsofadditionalearningsretainedbytheutility
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Return on equity (ROE) in excess of authorized amount, for which the additional earnings will be retained by the utility.

No definition available.

Name:	wec_Returnonequityinexcessofauthorizedamountasapercent
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Return on equity (ROE) in excess of the first 25 basis points above the authorized amount, for which a percentage will be returned to customers.

No definition available.

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Namespace Prefix:	wec_
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