REGULATORY ASSETS AND LIABILITIES (Tables)

6 Months Ended

Jun. 30, 2026

Regulatory Assets and Liabilities Disclosure [Abstract]


(in millions)	June 30, 2026		December 31, 2025
Regulatory assets
We Power finance leases	$	1,164.5	$	1,158.6
Plant retirement related items	612.2		634.3
Income tax related items	448.2		413.3
Pension and OPEB costs	271.4		289.0
System support resource	87.5		92.6
Uncollectible expense	71.1		114.7
Asset retirement obligations	65.0		59.7
Securitization	63.6		67.5
Electric transmission costs	50.0		15.3
Other finance and operating leases	31.6		25.2
Derivatives	14.1		9.0
Bluewater Natural Gas Holding, LLC	10.5		13.9
Other, net	58.5		47.9
Total regulatory assets	$	2,948.2	$	2,941.0

Schedule of regulatory liabilities


(in millions)	June 30, 2026		December 31, 2025
Regulatory liabilities
Removal costs	$	892.9	$	862.1
Income tax related items	652.8		663.5
Pension and OPEB benefits	112.5		114.6
Energy costs refundable through rate adjustments	71.9		47.2
Earnings sharing mechanism	27.7		29.3
We Power escrowed costs (1)	16.5		15.1
Derivatives	14.7		6.8
Other, net	46.4		36.0
Total regulatory liabilities	$	1,835.4	$	1,774.6

Balance sheet presentation
Other current liabilities	$	10.6	$	15.6
Regulatory liabilities	1,824.8		1,759.0
Total regulatory liabilities	$	1,835.4	$	1,774.6

(1)We defer as a regulatory asset or liability the difference between actual costs associated with the We Power generation units and those included in rates until recovery or refund is authorized in a future rate proceeding.