Revenue (Tables)

12 Months Ended

Dec. 31, 2022

Disaggregation of Revenue [Table Text Block]

DPL's revenue from contracts with customers was $861.4 million, $667.6 million and $645.0 million for the years ended December 31, 2022, 2021 and 2020, respectively. The following table presents our revenue from contracts with customers and other revenue by segment for the years ended December 31, 2022, 2021 and 2020:

$ in millions	Utility		Other		Adjustments and Eliminations		Total
	Year ended December 31, 2022
Retail revenue
Retail revenue from contracts with customers
Residential revenue	$	467.3	$	—	$	—	$	467.3
Commercial revenue	166.0		—		—		166.0
Industrial revenue	74.3		—		—		74.3
Governmental revenue	24.1		—		—		24.1
Other (a)	11.9		—		—		11.9
Total retail revenue from contracts with customers	743.6		—		—		743.6
Wholesale revenue
Wholesale revenue from contracts with customers	41.0		—		(0.8)		40.2
RTO ancillary revenue	63.6		0.1		—		63.7
Capacity revenue	4.3		—		—		4.3
Miscellaneous revenue
Miscellaneous revenue from contracts with customers (c)	—		9.6		—		9.6
Miscellaneous revenue	7.6		3.6		(3.6)		7.6
Total revenues	$	860.1	$	13.3	$	(4.4)	$	869.0

$ in millions	Utility		Other		Adjustments and Eliminations		Total
	Year ended December 31, 2021
Retail revenue
Retail revenue from contracts with customers
Residential revenue	$	364.9	$	—	$	—	$	364.9
Commercial revenue	122.6		—		—		122.6
Industrial revenue	57.5		—		—		57.5
Governmental revenue	26.1		—		—		26.1
Other (a)	12.2		—		—		12.2
Total retail revenue from contracts with customers	583.3		—		—		583.3
Wholesale revenue
Wholesale revenue from contracts with customers	19.5		—		(0.7)		18.8
RTO ancillary revenue	49.9		0.1		—		50.0
Capacity revenue	5.9		—		—		5.9
Miscellaneous revenue
Miscellaneous revenue from contracts with customers (c)	—		9.6		—		9.6
Miscellaneous revenue	5.1		3.5		(3.5)		5.1
Total revenues	$	663.7	$	13.2	$	(4.2)	$	672.7

$ in millions	Utility		Other		Adjustments and Eliminations		Total
	Year ended December 31, 2020
Retail revenue
Retail revenue from contracts with customers
Residential revenue	$	362.3	$	—	$	—	$	362.3
Commercial revenue	114.6		—		—		114.6
Industrial revenue	51.2		—		—		51.2
Governmental revenue	36.6		—		—		36.6
Other (a)	12.7		—		—		12.7
Total retail revenue from contracts with customers	577.4		—		—		577.4
Other retail revenue (b)	9.0		—		—		9.0
Wholesale revenue
Wholesale revenue from contracts with customers	11.0		—		(0.9)		10.1
RTO ancillary revenue	44.0		—		—		44.0
Capacity revenue	4.2		—		—		4.2
Miscellaneous revenue
Miscellaneous revenue from contracts with customers (c)	—		9.3		—		9.3
Miscellaneous revenue	6.5		3.6		(3.6)		6.5
Total revenues	$	652.1	$	12.9	$	(4.5)	$	660.5

(a)    "Other" primarily includes operation and maintenance service revenues, billing service fees from CRES providers and other miscellaneous retail revenues from contracts with customers.

(b)    Other retail revenue primarily includes alternative revenue programs not accounted for under ASC 606 - Revenue Recognition ("ASC 606").

(c)    Miscellaneous revenue from contracts with customers primarily includes revenues for various services provided by Miami Valley Lighting.

THE DAYTON POWER AND LIGHT COMPANY [Member]

Disaggregation of Revenue [Table Text Block]

's revenue from contracts with customers was $852.5 million, $658.6 million and $636.6 million for the years ended December 31, 2022, 2021 and 2020, respectively. The following table presents our revenue from contracts with customers and other revenue for the years ended December 31, 2022, 2021 and 2020:

	Years ended December 31,
$ in millions	2022		2021		2020
Retail revenue
Retail revenue from contracts with customers
Residential revenue	$	467.3	$	364.9	$	362.3
Commercial revenue	166.0		122.6		114.6
Industrial revenue	74.3		57.5		51.2
Governmental revenue	24.1		26.1		36.6
Other (a)	11.9		12.2		12.7
Total retail revenue from contracts with customers	743.6		583.3		577.4
Other retail revenue (b)	—		—		9.0
Wholesale revenue
Wholesale revenue from contracts with customers	41.0		19.5		11.0
RTO ancillary revenue	63.6		49.9		44.0
Capacity revenue	4.3		5.9		4.2
Miscellaneous revenue	7.6		5.1		6.5
Total revenues	$	860.1	$	663.7	$	652.1

(a)    "Other" primarily includes operation and maintenance service revenues, billing service fees from CRES providers and other miscellaneous retail revenues from contracts with customers.

(b)    Other retail revenue primarily includes alternative revenue programs not accounted for under ASC 606 - Revenue Recognition ("ASC 606").