Revenue (Tables)

12 Months Ended

Dec. 31, 2023

Disaggregation of Revenue [Table Text Block]

DPL's revenue from contracts with customers was $861.6 million, $861.4 million and $667.6 million for the years ended December 31, 2023, 2022 and 2021, respectively. The following table presents our revenue from contracts with customers and other revenue by segment for the years ended December 31, 2023, 2022 and 2021:

$ in millions	Utility		Other		Adjustments and Eliminations		Total
	Year ended December 31, 2023
Retail revenue
Retail revenue from contracts with customers
Residential revenue	$	478.9	$	—	$	—	$	478.9
Commercial revenue	162.1		—		—		162.1
Industrial revenue	66.6		—		—		66.6
Governmental revenue	24.3		—		—		24.3
Other (a)	13.0		—		—		13.0
Total retail revenue from contracts with customers	744.9		—		—		744.9
Wholesale revenue
Wholesale revenue from contracts with customers	15.8		—		(0.7)		15.1
RTO ancillary revenue	88.4		0.1		—		88.5
Capacity revenue	3.5		—		—		3.5
Miscellaneous revenue
Miscellaneous revenue from contracts with customers (b)	—		9.6		—		9.6
Miscellaneous revenue	(0.6)		4.4		(4.4)		(0.6)
Total revenue	$	852.0	$	14.1	$	(5.1)	$	861.0

$ 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 (b)	—		9.6		—		9.6
Miscellaneous revenue	7.6		3.6		(3.6)		7.6
Total revenue	$	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 (b)	—		9.6		—		9.6
Miscellaneous revenue	5.1		3.5		(3.5)		5.1
Total revenue	$	663.7	$	13.2	$	(4.2)	$	672.7

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

(b)    Miscellaneous revenue from contracts with customers primarily includes revenue 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 $852.6 million, $852.5 million and $658.6 million for the years ended December 31, 2023, 2022 and 2021, respectively. The following table presents our revenue from contracts with customers and other revenue for the years ended December 31, 2023, 2022 and 2021:

	Years ended December 31,
$ in millions	2023		2022		2021
Retail revenue
Retail revenue from contracts with customers
Residential revenue	$	478.9	$	467.3	$	364.9
Commercial revenue	162.1		166.0		122.6
Industrial revenue	66.6		74.3		57.5
Governmental revenue	24.3		24.1		26.1
Other (a)	13.0		11.9		12.2
Total retail revenue from contracts with customers	744.9		743.6		583.3
Wholesale revenue
Wholesale revenue from contracts with customers	15.8		41.0		19.5
RTO ancillary revenue	88.4		63.6		49.9
Capacity revenue	3.5		4.3		5.9
Miscellaneous revenue	(0.6)		7.6		5.1
Total revenue	$	852.0	$	860.1	$	663.7

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