XML 92 R79.htm IDEA: XBRL DOCUMENT
v3.24.2

PROPERTY, PLANT, AND EQUIPMENT - PLANT TO BE RETIRED (Details) $ in Millions | Jun. 30, 2024 USD ($) | May 31, 2024 MW
--- | --- | ---
WE | OCPP |  |
Property, plant, and equipment |  |
Net book value of plant to be retired | $ 675.8 |
WE | West Riverside Energy Center |  |
Property, plant, and equipment |  |
Jointly Owned Utility Plant, Proportionate Ownership Share of Capacity | MW |  | 200
WPS | Columbia Energy Center |  |
Property, plant, and equipment |  |
Net book value of plant to be retired | $ 252.1 |

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period end amount of total net PPE. + References No definition available. + Details
Name: | us-gaap_PublicUtilitiesPropertyPlantAndEquipmentNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Jointly Owned Utility Plant, Proportionate Ownership Share of Capacity + References No definition available. + Details
Name: | wec_JointlyOwnedUtilityPlantProportionateOwnershipShareOfCapacity
Namespace Prefix: | wec_
Data Type: | dtr-types1:powerItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | dei_LegalEntityAxis=wec_WisconsinElectricPowerCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=wec_OCPPMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AssetAcquisitionAxis=wec_WestRiversideEnergyCenterMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=wec_WisconsinPublicServiceCorporationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=wec_ColumbiaEnergyCenterUnits1And2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |