Property Plant and Equipment Property Plant and Equipment

12 Months Ended

Dec. 31, 2022

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment Disclosure

Major classes of property, plant and equipment

(Millions of Dollars)	Dec. 31, 2022		Dec. 31, 2021
Property, plant and equipment, net
Electric plant	$	10,182	$	9,639
Plant to be retired (a)	266		299
CWIP	167		171
Total property, plant and equipment	10,615		10,109
Less accumulated depreciation	(2,486)		(2,271)
Property, plant and equipment, net	$	8,129	$	7,838

(a)Amounts include Tolk and coal generation assets at Harrington pending facility gas conversion and are presented net of accumulated depreciation.