XML 60 R45.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Acquisitions (Tables) - WECI | 12 Months Ended
--- | ---
Dec. 31, 2023
Samson I |
Asset Acquisition |
Allocation of purchase price | The table below shows the allocation of the purchase price to the assets acquired and liabilities assumed at the date of the original acquisition.
(in millions) |  |
Accounts receivable |  | $ | 0.5 |
Other current assets |  | 0.7 |
Net property, plant, and equipment |  | 497.2 |
Other long-term assets |  | 12.3 |
Accounts payable |  | (0.5) |
Other current liabilities |  | (0.8) |
Other long-term liabilities |  | (186.4) |
Noncontrolling interest |  | (65.7) |
Total purchase price |  | $ | 257.3 |
Sapphire Sky |
Asset Acquisition |
Allocation of purchase price | The table below shows the allocation of the purchase price to the assets acquired and liabilities assumed at the date of the acquisition.
(in millions) |  |
Accounts receivable |  | $ | 0.8 |
Net property, plant, and equipment |  | 642.6 |
Other long-term assets |  | 1.4 |
Accounts payable |  | (1.0) |
Other long-term liabilities |  | (152.0) |
Noncontrolling interest |  | (49.2) |
Total purchase price |  | $ | 442.6 |
Thunderhead |
Asset Acquisition |
Allocation of purchase price | The table below shows the allocation of the purchase price to the assets acquired and liabilities assumed at the date of the acquisition.
(in millions) |  |
Accounts receivable |  | $ | 0.2 |
Other prepayments |  | 0.3 |
Net property, plant, and equipment |  | 692.3 |
Other long-term assets |  | 5.1 |
Other current liabilities |  | (0.2) |
Other long-term liabilities |  | (273.2) |
Noncontrolling interest |  | (42.5) |
Total purchase price |  | $ | 382.0 |
Jayhawk |
Asset Acquisition |
Allocation of purchase price | The table below shows the allocation of the purchase price to the assets acquired and liabilities assumed at the date of the acquisition.
(in millions) |  |
Net property, plant, and equipment |  | $ | 145.3 |
Other long-term liabilities |  | (11.8) |
Long-term debt |  | (7.3) |
Noncontrolling interest |  | (6.3) |
Total purchase price |  | $ | 119.9 |

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 Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 805 -SubTopic 50 -Name Accounting Standards Codification -Section 15 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480123/805-50-15-3 + Details
Name: | us-gaap_AssetAcquisitionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of asset acquisition. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 805 -SubTopic 50 -Name Accounting Standards Codification -Section 15 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480123/805-50-15-3 + Details
Name: | us-gaap_AssetAcquisitionTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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

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

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

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

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