XML 115 R13.htm IDEA: XBRL DOCUMENT v3.22.4
Property, Plant and Equipment (All Registrants)
12 Months Ended
Dec. 31, 2022
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, 2022 and 2021:
Asset CategoryExelonComEdPECOBGEPHIPepcoDPLACE
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 distribution8,126 — 3,619 4,074 696 — 855 — 
Common—electric and gas2,521 — 1,071 1,317 228 — 206 — 
Construction work in progress4,534 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 equipment85,006 34,186 16,203 15,921 20,304 12,861 6,592 5,541 
Less: accumulated depreciation15,930 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 
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 distribution7,429 — 3,339 3,712 646 — 806 — 
Common—electric and gas2,335 — 1,005 1,224 201 — 180 — 
Construction work in progress3,698 918 620 554 1,590 1,118 229 242 
Other property, plant and equipment(a)
755 99 41 34 107 63 23 25 
Total property, plant and equipment78,988 32,094 15,081 14,876 18,606 11,979 6,195 5,149 
Less: accumulated depreciation14,430 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 
__________
(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 CategoryExelonComEdPECOBGEPHIPepcoDPLACE
Electric - transmission and distribution5-805-805-705-805-755-755-755-75
Gas - transportation and distribution5-80N/A5-705-805-75N/A5-75N/A
Common - electric and gas4-75N/A5-554-505-75N/A5-75N/A
Other property, plant, and equipment4-6131-505020-5010-4310-3310-4313-15
The following table presents the annual depreciation rates for each asset category.
Annual Depreciation Rates
ExelonComEdPECOBGEPHIPepcoDPLACE
December 31, 2022
Electric—transmission and distribution2.87%3.00%2.29%2.82%2.96%2.58%3.08%3.38%
Gas—transportation and distribution2.14%N/A1.87%2.53%1.45%N/A1.45%N/A
Common—electric and gas7.54%N/A6.31%8.20%8.96%N/A10.03%N/A
December 31, 2021
Electric—transmission and distribution2.81%2.94%2.28%2.80%2.87%2.56%2.86%3.21%
Gas—transportation and distribution2.13%N/A1.84%2.54%1.47%N/A1.47%N/A
Common—electric and gas7.31%N/A6.34%7.88%8.33%N/A8.69%N/A
December 31, 2020
Electric—transmission and distribution2.79%2.95%2.31%2.69%2.81%2.53%2.85%3.08%
Gas—transportation and distribution2.14%N/A1.85%2.56%1.50%N/A1.50%N/A
Common—electric and gas7.01%N/A6.39%7.45%7.36%N/A6.72%N/A
AFUDC
The following table summarizes credits to AFUDC by year:
ExelonComEdPECOBGEPHIPepcoDPLACE
December 31, 2022
AFUDC debt and equity$215 $54 $42 $29 $90 $69 $10 $11 
December 31, 2021
AFUDC debt and equity$189 $47 $34 $36 $72 $59 $$
December 31, 2020
AFUDC debt and equity$150 $42 $23 $30 $55 $42 $$
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.