PROPERTY, PLANT AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2021

Regulated [Member]

Entity Information

Property, Plant and Equipment by Property Type

The following table sets forth our property, plant and equipment by property type, for the periods indicated:

	December 31,		December 31,
	2021		2020
	(Thousands of dollars)
Natural gas distribution pipelines and related equipment	$	5,836,066	$	5,517,488
Natural gas transmission pipelines and related equipment	624,528		586,360
General plant and other	712,659		657,037
Construction work in process	101,015		77,718
Property, plant and equipment	7,274,268		6,838,603
Accumulated depreciation and amortization	(2,083,433)		(1,971,546)
Net property, plant and equipment	$	5,190,835	$	4,867,057