Revenue (Tables)

12 Months Ended

Dec. 31, 2018

Disaggregation of Revenue [Table Text Block]

DPL's revenue from contracts with customers was $743.8 million for the year ended December 31, 2018. The following table presents our revenue from contracts with customers and other revenue by segment for the year ended December 31, 2018:

$ in millions	Utility		Other		Adjustments and Eliminations			Total
	Year ended December 31, 2018
Retail Revenue
Retail revenue from contracts with customers	$	625.8	$	—	$	(1.0	)	$	624.8
Other retail revenues (a)	32.1		—		—			32.1
Wholesale Revenue
Wholesale revenue from contracts with customers	29.9		22.1		—			52.0
RTO revenue	43.1		0.1		—			43.2
RTO capacity revenues	7.8		6.6		—			14.4
Other revenues from contracts with customers (b)	—		9.4		—			9.4
Other revenues	—		2.8		(2.8		)	—
Total revenues	$	738.7	$	41.0	$	(3.8	)	$	775.9

(a) Other retail revenue primarily includes alternative revenue programs not accounted for under FASC 606.

(b) Other revenues 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]

DP&L's revenue from contracts with customers was $706.6 million for the year ended December 31, 2018. The following table presents our revenue from contracts with customers and other revenue by segment for the year ended December 31, 2018:

	Year ended December 31,
$ in millions	2018
Retail Revenue
Retail revenue from contracts with customers	$	625.8
Other retail revenues (a)	32.1
Wholesale Revenue
Wholesale revenue from contracts with customers	29.9
RTO revenue	43.1
RTO capacity revenues	7.8
Total revenues	$	738.7

(a) Other retail revenue primarily includes alternative revenue programs not accounted for under FASC 606.