Property, Plant and Equipment (All Registrants)

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment (All Registrants)

Property, Plant, and Equipment (All Registrants)

The following tables present a summary of property, plant, and equipment by asset category as of December 31, 2021 and 2020:

Asset Category	Exelon		ComEd		PECO		BGE		PHI		Pepco		DPL		ACE
December 31, 2021
Electric—transmission and distribution	$	64,771	$	31,077	$	10,076	$	9,352	$	16,062	$	10,798	$	4,957	$	4,882
Gas—transportation and distribution	7,429		—		3,339		3,712		646		—		806		—
Common—electric and gas	2,335		—		1,005		1,224		201		—		180		—
Construction work in progress	3,698		918		620		554		1,590		1,118		229		242
Other property, plant, and equipment(a)	755		99		41		34		107		63		23		25
Total property, plant, and equipment	78,988		32,094		15,081		14,876		18,606		11,979		6,195		5,149
Less: accumulated depreciation	14,430		6,099		3,964		4,299		2,108		3,875		1,635		1,420
Property, plant, and equipment, net	$	64,558	$	25,995	$	11,117	$	10,577	$	16,498	$	8,104	$	4,560	$	3,729
December 31, 2020
Electric—transmission and distribution	$	60,946	$	29,371	$	9,462	$	8,797	$	15,137	$	10,264	$	4,730	$	4,568
Gas—transportation and distribution	6,733		—		3,098		3,315		591		—		751		—
Common—electric and gas	2,170		—		956		1,138		178		—		180		—
Construction work in progress	3,107		799		474		627		1,174		824		163		182
Other property, plant and equipment(a)	722		59		34		29		108		65		23		28
Total property, plant and equipment	73,678		30,229		14,024		13,906		17,188		11,153		5,847		4,778
Less: accumulated depreciation	13,346		5,672		3,843		4,034		1,811		3,697		1,533		1,303
Property, plant, and equipment, net	$	60,332	$	24,557	$	10,181	$	9,872	$	15,377	$	7,456	$	4,314	$	3,475

__________

(a)Primarily composed of land and non-utility property.

The following table presents the average service life for each asset category in number of years:

	Average Service Life (years)
Asset Category	Exelon	ComEd	PECO	BGE	PHI	Pepco	DPL	ACE
Electric - transmission and distribution	5-80	5-80	5-70	5-80	5-75	5-75	5-70	5-65
Gas - transportation and distribution	5-80	N/A	5-70	5-80	5-75	N/A	5-75	N/A
Common - electric and gas	4-75	N/A	5-55	4-50	5-75	N/A	5-75	N/A
Other property, plant, and equipment	3-61	32-50	50	20-50	3-50	33-50	8-50	13-15

The following table presents the annual depreciation rates for each asset category.

	Annual Depreciation Rates
	Exelon		ComEd		PECO		BGE		PHI		Pepco		DPL		ACE
December 31, 2021
Electric—transmission and distribution	2.81	%	2.94	%	2.28	%	2.80	%	2.87	%	2.56	%	2.86	%	3.21	%
Gas—transportation and distribution	2.13	%	N/A		1.84	%	2.54	%	1.47	%	N/A		1.47	%	N/A
Common—electric and gas	7.31	%	N/A		6.34	%	7.88	%	8.33	%	N/A		8.69	%	N/A
December 31, 2020
Electric—transmission and distribution	2.79	%	2.95	%	2.31	%	2.69	%	2.81	%	2.53	%	2.85	%	3.08	%
Gas—transportation and distribution	2.14	%	N/A		1.85	%	2.56	%	1.50	%	N/A		1.50	%	N/A
Common—electric and gas	7.01	%	N/A		6.39	%	7.45	%	7.36	%	N/A		6.72	%	N/A
December 31, 2019
Electric—transmission and distribution	2.80	%	2.99	%	2.36	%	2.60	%	2.77	%	2.47	%	2.86	%	2.94	%
Gas—transportation and distribution	2.04	%	N/A		1.89	%	2.30	%	1.55	%	N/A		1.55	%	N/A
Common—electric and gas	7.37	%	N/A		6.06	%	8.30	%	8.25	%	N/A		6.24	%	N/A

Capitalized Interest and AFUDC

The following table summarizes capitalized interest and credits to AFUDC by year:

	Exelon		ComEd		PECO		BGE		PHI		Pepco		DPL		ACE
December 31, 2021
Capitalized interest	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
AFUDC debt and equity	189		47		34		36		72		59		8		5
December 31, 2020
Capitalized interest	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
AFUDC debt and equity	150		42		23		30		55		42		6		7
December 31, 2019
Capitalized interest	$	—	$	—	$	—	$	—	$	—	$	—	$	—	$	—
AFUDC debt and equity	132		32		17		29		54		39		6		9

See Note 1 — Significant Accounting Policies for additional information regarding property, plant and equipment policies. See Note 15 — Debt and Credit Agreements for additional information regarding Exelon’s, ComEd’s, PECO's, Pepco's, DPL's, and ACE’s property, plant and equipment subject to mortgage liens.