XML 47 R31.htm IDEA: XBRL DOCUMENT v3.22.4
Property, Plant and Equipment (Tables)
 12 Months Ended
Dec. 31, 2022
Property, Plant and Equipment [Line Items]  
Summary of Property, Plant, and Equipment
The following is a summary of DPL’s Property, plant and equipment with corresponding composite depreciation rates at December 31, 2022 and 2021:
December 31, 2022December 31, 2021
$ in millionsComposite RateComposite Rate
Regulated:
Transmission399.2 2.4%$306.9 3.1%
Distribution1,658.9 3.7%1,547.0 4.0%
General20.7 5.2%34.1 3.2%
Non-depreciable79.4 N/A71.2 N/A
Total regulated2,158.2 1,959.2 
Unregulated:
Other$30.6 3.7%26.5 4.2%
Non-depreciable4.8 N/A4.7 N/A
Total unregulated35.4 31.2 
Total property, plant and equipment in service$2,193.6 3.3%$1,990.4 3.7%
Changes in the Liability for Transmission and Distribution Asset Removal Costs
The following is a summary of the changes in the regulatory liability for T&D asset removal costs:
20222021
Balance as of January 1$145.2 $138.8 
Additions17.6 17.0 
Settlements(26.0)(10.6)
Balance as of December 31$136.8 $145.2 
THE DAYTON POWER AND LIGHT COMPANY [Member]  
Property, Plant and Equipment [Line Items]  
Summary of Property, Plant, and Equipment
The following is a summary of AES Ohio’s Property, plant and equipment with corresponding composite depreciation rates at December 31, 2022 and 2021:
December 31, 2022December 31, 2021
$ in millionsComposite RateComposite Rate
Regulated:
Transmission$545.3 2.0%$456.5 2.1%
Distribution2,093.8 3.1%1,996.6 3.1%
General34.2 4.0%48.0 2.3%
Non-depreciable79.4 N/A70.2 N/A
Total property, plant and equipment in service$2,752.7 2.8%$2,571.3 2.8%
Changes in the Liability for Transmission and Distribution Asset Removal Costs
The following is a summary of the changes in the regulatory liability for T&D asset removal costs:
20222021
Balance at beginning of year$145.2 $138.8 
Additions17.6 17.0 
Settlements(26.0)(10.6)
Balance at end of year$136.8 $145.2