Property, Plant and Equipment (All Registrants)

12 Months Ended

Dec. 31, 2023

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 at December 31, 2023 and 2022:

Asset Category	Exelon		ComEd		PECO		BGE		PHI		Pepco		DPL		ACE
December 31, 2023
Electric—transmission and distribution	$	74,102	$	34,834	$	11,295	$	10,537	$	19,153	$	12,429	$	5,590	$	5,659
Gas—transportation and distribution	8,818		—		3,905		4,428		748		—		905		—
Common—electric and gas	2,510		—		1,083		1,275		243		—		211		—
Construction work in progress	4,589		1,369		879		561		1,762		1,226		345		189
Other property, plant, and equipment(a)	825		107		63		45		120		59		39		28
Total property, plant, and equipment	90,844		36,310		17,225		16,846		22,026		13,714		7,090		5,876
Less: accumulated depreciation	17,251		7,222		4,097		4,744		3,175		4,284		1,925		1,684
Property, plant, and equipment, net	$	73,593	$	29,088	$	13,128	$	12,102	$	18,851	$	9,430	$	5,165	$	4,192
December 31, 2022
Electric—transmission and distribution	$	69,034	$	32,906	$	10,719	$	9,993	$	17,165	$	11,270	$	5,231	$	5,219
Gas—transportation and distribution	8,126		—		3,619		4,074		696		—		855		—
Common—electric and gas	2,521		—		1,071		1,317		228		—		206		—
Construction work in progress	4,534		1,174		744		487		2,101		1,526		271		296
Other property, plant and equipment(a)	791		106		50		50		114		65		29		26
Total property, plant and equipment	85,006		34,186		16,203		15,921		20,304		12,861		6,592		5,541
Less: accumulated depreciation	15,930		6,673		4,078		4,583		2,618		4,067		1,772		1,551
Property, plant, and equipment, net	$	69,076	$	27,513	$	12,125	$	11,338	$	17,686	$	8,794	$	4,820	$	3,990

__________

(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	5-75	5-75
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	4-61	30-50	50	20-50	10-43	10-33	10-43	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, 2023
Electric—transmission and distribution	2.90%	3.02%	2.30%	2.89%	3.03%	2.51%	3.29%	3.66%
Gas—transportation and distribution	2.15%	N/A	1.85%	2.56%	1.44%	N/A	1.44%	N/A
Common—electric and gas	7.77%	N/A	6.87%	8.68%	7.18%	N/A	8.79%	N/A
December 31, 2022
Electric—transmission and distribution	2.87%	3.00%	2.29%	2.82%	2.96%	2.58%	3.08%	3.38%
Gas—transportation and distribution	2.14%	N/A	1.87%	2.53%	1.45%	N/A	1.45%	N/A
Common—electric and gas	7.54%	N/A	6.31%	8.20%	8.96%	N/A	10.03%	N/A
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

AFUDC

The following table summarizes credits to AFUDC by year:

	For the Years Ended December 31,
	2023		2022		2021
Exelon	$	256	$	215	$	189
ComEd	72		54		47
PECO	46		42		34
BGE	25		29		36
PHI	113		90		72
Pepco	85		69		59
DPL	16		10		8
ACE	12		11		5

See Note 1 — Significant Accounting Policies for additional information regarding property, plant and equipment policies. See Note 16 — 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.