Property, Plant and Equipment, Net

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment, Net

Property, Plant and Equipment, Net

4. Property, Plant and Equipment

Property, plant and equipment consist of the following:

	December 31,		December 31,
	2021		2020
	(in millions)
Distribution facilities	$	1,238.3	$	1,148.8
Customer premise equipment		267.7		266.2
Head-end equipment		228.5		209.5
Telephony infrastructure		52.4		52.5
Computer equipment and software		132.5		102.5
Vehicles		23.7		22.7
Buildings and leasehold improvements		32.1		31.0
Office and technical equipment		18.9		18.7
Land		4.4		4.4
Construction in progress (including material inventory and other)		34.9		32.8
Total property, plant and equipment		2,033.4		1,889.1
Less accumulated depreciation		(1,311.1)		(1,168.2)
	$	722.3	$	720.9

Depreciation expense for the years ended December 31, 2021, 2020 and 2019 was $168.9 million, $150.1 million, and $131.6 million, respectively. For the year ended December 31, 2019, the Company wrote-off $2.1 million of obsolete assets which is included in the loss (gain) on sale of operating assets, net. The Company recognized insignificant asset write-offs for the years ended December 31, 2021 and 2020.