Revenue (Tables)

6 Months Ended

Jun. 30, 2018

Disaggregation of Revenue [Table Text Block]

, respectively. The following table presents our revenue from contracts with customers and other revenue by segment for the three and six months ended June 30, 2018:

$ in millions	Utility		Other		Adjustments and Eliminations			Total
	Three Months Ended June 30, 2018
Retail Revenue
Retail revenue from contracts with customers	$	139.7	$	—	$	(0.2	)	$	139.5
Other retail revenues (a)	9.6		—		—			9.6
Wholesale Revenue
Wholesale revenue from contracts with customers	7.1		4.6		—			11.7
RTO revenue	10.5		0.1		—			10.6
RTO capacity revenues	1.9		2.1		—			4.0
Other revenues from contracts with customers (b)	—		2.7		—			2.7
Other revenues	—		0.8		(0.8		)	—
Total revenues	$	168.8	$	10.3	$	(1.0	)	$	178.1
	Six months ended June 30, 2018
Retail Revenue
Retail revenue from contracts with customers	$	300.9	$	—	$	(0.4	)	$	300.5
Other retail revenues (a)	18.8		—		—			18.8
Wholesale Revenue
Wholesale revenue from contracts with customers	19.7		11.1		—			30.8
RTO revenue	21.6		0.2		—			21.8
RTO capacity revenues	3.8		3.0		—			6.8
Other revenues from contracts with customers (b)	—		5.1		—			5.1
Other revenues	—		1.4		(1.4		)	—
Total revenues	$	364.8	$	20.8	$	(1.8	)	$	383.8

(a) Other retail revenue primarily includes alternative revenue programs not accounted for under FASC 606. Accounts receivable balances associated with these revenues were $3.0 million as of June 30, 2018.

(b) Other revenues from contracts with customers primarily includes revenues for various services provided by Miami Valley Lighting.

Subsidiaries [Member]

Disaggregation of Revenue [Table Text Block]

, respectively. The following table presents our revenue from contracts with customers and other revenue for the three and six months ended June 30, 2018:

	Three		Six
	months ended		months ended
$ in millions	June 30, 2018		June 30, 2018
Retail Revenue
Retail revenue from contracts with customers	$	139.7	$	300.9
Other retail revenues (a)	9.6		18.8
Wholesale Revenue
Wholesale revenue from contracts with customers	7.1		19.7
RTO revenue	10.5		21.6
RTO capacity revenues	1.9		3.8
Total revenues	$	168.8	$	364.8

(a) Other retail revenue primarily includes alternative revenue programs not accounted for under FASC 606. Accounts receivable balances associated with these revenues were $3.0 million as of June 30, 2018.