Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2019

The following is a summary of DPL’s Property, plant and equipment with corresponding composite depreciation rates at December 31, 2019 and 2018:



	December 31, 2019			December 31, 2018
$ in millions			Composite Rate			Composite Rate
Regulated:
Transmission	$	235.8	3.9%	$	223.2	4.1%
Distribution	1,364.2		4.1%	1,289.8		4.5%
General	16.5		9.0%	13.2		8.5%
Non-depreciable	61.6		N/A	60.4		N/A
Total regulated	1,678.1			1,586.6
Unregulated:
Other	19.0		7.6%	21.2		6.7%
Non-depreciable	4.8		N/A	7.8		N/A
Total unregulated	23.8			29.0

Total property, plant and equipment in service	$	1,701.9	4.0%	$	1,615.6	4.3%

Changes in the Liability for AROs



	2019		2018
Balance as of January 1	$	9.4	$	15.1
Revisions to cash flow and timing estimates	3.4		(2.6		)
Accretion expense	0.2		0.3
Settlements ^(a)	—		(3.4		)
Balance as of December 31	$	13.0	$	9.4

(a)

Primarily includes settlement related to transfer of Beckjord Facility. See Note 16 – Dispositions for additional information.