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v3.25.1

CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Current assets |  |
Cash and cash equivalents | $ 82.2 | $ 9.8
Accounts receivable and unbilled revenues, net of reserves of $159.4 and $162.8, respectively | 1,812.4 | 1,669.3
Materials, supplies, and inventories | 576.0 | 813.2
Prepaid taxes | 171.6 | 214.9
Other prepayments | 76.2 | 82.6
Other | 224.9 | 121.9
Current assets | 2,943.3 | 2,911.7
Long-term assets |  |
Property, plant, and equipment, net of accumulated depreciation and amortization of $11,838.7 and $11,611.9, respectively | 35,447.8 | 34,645.4
Regulatory assets (March 31, 2025 and December 31, 2024 include $74.3 and $76.5, respectively, related to WEPCo Environmental Trust) | 3,283.3 | 3,339.7
Equity investment in transmission affiliates | 2,149.0 | 2,108.9
Goodwill | 3,052.8 | 3,052.8
Pension and OPEB assets | 983.8 | 968.5
Other | 372.1 | 336.2
Long-term assets | 45,288.8 | 44,451.5
Total assets | 48,232.1 | 47,363.2
Current liabilities |  |
Short-term debt | 1,327.1 | 1,116.6
Current portion of long-term debt (March 31, 2025 and December 31, 2024 include $9.2, related to WEPCo Environmental Trust) | 2,729.9 | 1,729.0
Accounts payable | 791.5 | 1,137.1
Other | 1,014.4 | 859.2
Current liabilities | 5,862.9 | 4,841.9
Long-term liabilities |  |
Long-term debt (March 31, 2025 and December 31, 2024 include $76.5 and $76.4, respectively, related to WEPCo Environmental Trust) | 16,161.8 | 17,178.1
Finance lease obligations | 293.9 | 303.3
Deferred income taxes | 5,577.2 | 5,514.7
Deferred revenue, net | 329.3 | 334.6
Regulatory liabilities | 4,043.9 | 3,958.0
Intangible liabilities | 624.5 | 566.8
Environmental remediation liabilities | 442.1 | 445.8
AROs | 601.5 | 580.0
Other | 868.0 | 838.1
Long-term liabilities | 28,942.2 | 29,719.4
Commitments and contingencies (Note 21) |  |
Common shareholders' equity |  |
Common stock – $0.01 par value; 650,000,000 shares authorized; 319,133,501 and $317,680,855 shares outstanding, respectively | 3.2 | 3.2
Additional paid in capital | 4,456.1 | 4,315.8
Retained earnings | 8,524.4 | 8,083.8
Accumulated other comprehensive loss | (7.9) | (7.8)
Common shareholders' equity | 12,975.8 | 12,395.0
Preferred stock of subsidiary | 30.4 | 30.4
Noncontrolling interests | 420.8 | 376.5
Total liabilities and equity | $ 48,232.1 | $ 47,363.2

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Name: | wec_IntangibleLiabilities
Namespace Prefix: | wec_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. + References No definition available. + Details
Name: | wec_TotalCommonShareholdersEquity
Namespace Prefix: | wec_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant