XML 121 R109.htm IDEA: XBRL DOCUMENT
v3.25.1

REGULATORY ENVIRONMENT - UMERC AREP (Details) - UMERC - MPSC - Amended Renewable Energy Plan - Renegade Solar Project $ in Millions | Feb. 27, 2025 USD ($) MW
--- | ---
Public Utilities, General Disclosures [Line Items] |
Capacity of generation unit | MW | 100
Estimated cost of project | $ | $ 226

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_PublicUtilitiesGeneralDisclosuresLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The capacity, in megawatts, of a generation unit. + References No definition available. + Details
Name: | wec_CapacityOfGenerationUnit
Namespace Prefix: | wec_
Data Type: | dtr-types1:powerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Total estimated cost of project + References No definition available. + Details
Name: | wec_EstimatedCostOfProject
Namespace Prefix: | wec_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Details
Name: | us-gaap_RegulatoryAgencyAxis=wec_MichiganPublicServiceCommissionMPSCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PublicUtilitiesRegulatoryProceedingAxis=wec_AmendedRenewableEnergyPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PublicUtilityAxis=wec_RenegadeSolarProjectMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |