Property Plant and Equipment Property Plant and Equipment

12 Months Ended

Dec. 31, 2025

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment Disclosure

Major classes of property, plant and equipment

(Millions of Dollars)	Dec. 31, 2025		Dec. 31, 2024
Property, plant and equipment, net
Electric plant	$	12,210	$	11,443
Plant to be retired (a)	162		182
CWIP	1,117		518
Total property, plant and equipment	13,489		12,143
Less accumulated depreciation	(3,063)		(2,892)
Property, plant and equipment, net	$	10,426	$	9,251

(a)Amounts include Tolk Unit 1 and 2. Amounts are reported net of accumulated depreciation.