Revenue (Tables)

12 Months Ended

Dec. 31, 2024

Disaggregation of Revenue [Table Text Block]

DPL's revenue from contracts with customers was as follows:

	Years ended December 31,
$ in millions	2024		2023		2022
Revenue from contracts with customers	$	865.1	$	861.6	$	861.4

The following table presents our revenue from contracts with customers and other revenue by segment for the years ended December 31, 2024, 2023 and 2022:

$ in millions	Utility		Other		Adjustments and Eliminations		Total
	Year ended December 31, 2024
Retail revenue
Retail revenue from contracts with customers
Residential revenue	$	451.4	$	—	$	—	$	451.4
Commercial revenue	161.2		—		—		161.2
Industrial revenue	67.0		—		—		67.0
Governmental revenue	26.5		—		—		26.5
Other (a)	11.3		—		—		11.3
Total retail revenue from contracts with customers	717.4		—		—		717.4
Wholesale revenue
Wholesale revenue from contracts with customers	17.5		—		(0.9)		16.6
RTO ancillary revenue	120.4		0.1		—		120.5
Capacity revenue	0.9		—		—		0.9
Miscellaneous revenue
Miscellaneous revenue from contracts with customers (b)	—		9.7		—		9.7
Other miscellaneous revenue	11.4		4.9		(4.9)		11.4
Total revenue	$	867.6	$	14.7	$	(5.8)	$	876.5

$ 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
Other 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
Other miscellaneous revenue	7.6		3.6		(3.6)		7.6
Total revenue	$	860.1	$	13.3	$	(4.4)	$	869.0

(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 as follows:

	Years ended December 31,
$ in millions	2024		2023		2022
Revenue from contracts with customers	$	856.2	$	852.6	$	852.5

The following table presents our revenue from contracts with customers and other revenue for the years ended December 31, 2024, 2023 and 2022:

	Years ended December 31,
$ in millions	2024		2023		2022
Retail revenue
Retail revenue from contracts with customers
Residential revenue	$	451.4	$	478.9	$	467.3
Commercial revenue	161.2		162.1		166.0
Industrial revenue	67.0		66.6		74.3
Governmental revenue	26.5		24.3		24.1
Other	11.3		13.0		11.9
Total retail revenue from contracts with customers	717.4		744.9		743.6
Wholesale revenue
Wholesale revenue from contracts with customers	17.5		15.8		41.0
RTO ancillary revenue	120.4		88.4		63.6
Capacity revenue	0.9		3.5		4.3
Miscellaneous revenue
Other miscellaneous revenue	11.4		(0.6)		7.6
Total revenue	$	867.6	$	852.0	$	860.1

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