v3.25.1

CREDIT LOSSES - GROSS RECEIVABLES AND RELATED ALLOWANCES (Details) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024	Dec. 31, 2023
Utility segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable and unbilled revenues	$ 666.2	$ 648.1
Allowance for credit losses	37.9	46.9	$ 48.9	$ 44.5
Accounts receivable and unbilled revenues, net	628.3	601.2
Total accounts receivable, net - past due greater than 90 days	$ 31.1	$ 38.2
Past due greater than 90 days - collection risk mitigated by regulatory mechanisms	95.90%	93.80%
Amount of net accounts receivable with regulatory protections	$ 363.4
Percent of net accounts receivable with regulatory protections	57.80%
Other Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable and unbilled revenues	$ 0.0	$ 0.0

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.

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WISCONSIN ELECTRIC POWER CO 10-Q