Supplemental Financial Information (Tables)

3 Months Ended

Mar. 31, 2015

Schedule of Supplemental Financial Information

	March 31,		December 31,
$ in millions	2015		2014
Accounts receivable, net:
Unbilled revenue	$	58.6	$	79.2
Customer receivables		109.3		104.8
Amounts due from partners in jointly owned plants		8.3		14.2
Other		5.8		4.0
Provision for uncollectible accounts		(1.4)		(1.3)
Total accounts receivable, net	$	180.6	$	200.9
Inventories, at average cost:
Fuel and limestone	$	58.9	$	65.3
Plant materials and supplies		34.3		33.5
Other		1.7		1.4
Total inventories, at average cost	$	94.9	$	100.2

Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]

Details about Accumulated Other Comprehensive Income / (Loss) components	Affected line item in the Condensed Consolidated Statements of Operations	Three months ended
		March 31,
$ in millions		2015		2014
Gains and losses on Available-for-sale securities activity (Note 7):
	Other income	$	(0.6)	$	0.3
	Tax expense		0.2		(0.1)
	Net of income taxes		(0.4)		0.2
Gains and losses on cash flow hedges (Note 8):
	Interest expense		(0.2)		(0.5)
	Revenue		(0.3)		10.2
	Purchased power		1.4		(1.1)
	Total before income taxes		0.9		8.6
	Tax expense		(0.3)		(3.1)
	Net of income taxes		0.6		5.5
Amortization of defined benefit pension items (Note 6):
	Other income		0.1		-
	Tax expense		-		-
	Net of income taxes		0.1		-
Total reclassifications for the period, net of income taxes		$	0.3	$	5.7

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

$ in millions	Gains / (losses) on available-for-sale securities		Gains / (losses) on cash flow hedges		Change in unfunded pension obligation		Total
Balance January 1, 2015	$	0.5	$	18.5	$	(11.5)	$	7.5
Other comprehensive income before reclassifications		0.5		0.1		-		0.6
Amounts reclassified from accumulated other comprehensive income / (loss)		(0.4)		0.6		0.1		0.3
Net current period other comprehensive income		0.1		0.7		0.1		0.9
Balance March 31, 2015	$	0.6	$	19.2	$	(11.4)	$	8.4

DP&L [Member]

Schedule of Supplemental Financial Information

	March 31,		December 31,
$ in millions	2015		2014
Accounts receivable, net:
Unbilled revenue	$	40.6	$	49.0
Customer receivables		81.7		68.7
Amounts due from partners in jointly owned plants		8.3		14.2
Other		25.5		21.7
Provision for uncollectible accounts		(1.1)		(0.9)
Total accounts receivable, net	$	155.0	$	152.7
Inventories, at average cost:
Fuel and limestone	$	58.8	$	65.3
Plant materials and supplies		33.1		32.3
Other		1.8		1.4
Total inventories, at average cost	$	93.7	$	99.0

Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]

Details about Accumulated Other Comprehensive Income / (Loss) components	Affected line item in the Condensed Statements of Operations	Three months ended
		March 31,
$ in millions		2015		2014
Gains and losses on Available-for-sale securities activity (Note 7):
	Other income	$	(0.6)	$	0.3
	Tax expense		0.2		(0.1)
	Net of income taxes		(0.4)		0.2
Gains and losses on cash flow hedges (Note 8):
	Interest expense		(0.3)		(0.3)
	Revenue		(0.3)		(1.0)
	Purchased power		1.4		10.2
	Total before income taxes		0.8		8.9
	Tax expense		(0.3)		(3.2)
	Net of income taxes		0.5		5.7
Amortization of defined benefit pension items (Note 6):
	Reclassification to Other income / (deductions)		1.4		1.0
	Tax benefit		(0.5)		(0.4)
	Net of income taxes		0.9		0.6
Total reclassifications for the period, net of income taxes		$	1.0	$	6.5

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

$ in millions	Gains / (losses) on available-for-sale securities		Gains / (losses) on cash flow hedges		Change in unfunded pension obligation		Total
Balance January 1, 2015	$	0.7	$	2.8	$	(45.8)	$	(42.3)
Other comprehensive income before reclassifications		0.5		0.1		-		0.6
Amounts reclassified from accumulated other comprehensive income / (loss)		(0.4)		0.5		0.9		1.0
Net current period other comprehensive income		0.1		0.6		0.9		1.6
Balance March 31, 2015	$	0.8	$	3.4	$	(44.9)	$	(40.7)