Business Segments (Tables)

1 Months Ended

11 Months Ended

12 Months Ended

Dec. 31, 2011

Nov. 27, 2011

Dec. 31, 2012

Dec. 31, 2010

Business Segments [Abstract]

Financial Reporting for Reportable Business Segments

Successor
$ in millions	Utility		Competitive Retail		Other		Adjustments and Eliminations		DPL Consolidated
November 28, 2011 through December 31, 2011
Revenues from external customers	$	116.2	$	38.2	$	2.5	$	-	$	156.9
Intersegment revenues		27.8		-		0.3		(28.1)		-
Total revenues		144.0		38.2		2.8		(28.1)		156.9
Fuel		34.5		-		1.3		-		35.8
Purchased power		31.0		33.4		-		(27.7)		36.7
Amortization of intangibles		-		-		11.6		-		11.6
Gross margin (a)	$	78.5	$	4.8	$	(10.1)	$	(0.4)	$	72.8
Depreciation and amortization	$	12.7	$	-	$	(1.1)	$	-	$	11.6
Interest expense	$	2.8	$	0.1	$	8.8	$	(0.2)	$	11.5
Income tax expense / (benefit)	$	5.8	$	1.1	$	(6.3)	$	-	$	0.6
Net income / (loss)	$	45.8	$	1.7	$	(53.7)	$	-	$	(6.2)
Cash capital expenditures	$	30.5	$	-	$	-	$	-	$	30.5
Total assets (end of year)	$	3,538.3	$	69.9	$	2,528.0	$	-	$	6,136.2

Predecessor
$ in millions	Utility		Competitive Retail		Other		Adjustments and Eliminations		DPL Consolidated
January 1, 2011 through November 27, 2011
Revenues from external customers	$	1,234.5	$	387.2	$	49.2	$	-	$	1,670.9
Intersegment revenues		299.2		-		3.7		(302.9)		-
Total revenues		1,533.7		387.2		52.9		(302.9)		1,670.9
Fuel		346.1		-		9.7		-		355.8
Purchased power		370.6		330.5		2.7		(299.2)		404.6
Gross margin (a)	$	817.0	$	56.7	$	40.5	$	(3.7)	$	910.5
Depreciation and amortization	$	122.2	$	0.6	$	6.6	$	-	$	129.4
Interest expense	$	35.4	$	0.2	$	23.4	$	(0.3)	$	58.7
Income tax expense / (benefit)	$	98.4	$	16.7	$	(13.1)	$	-	$	102.0
Net income / (loss)	$	147.4	$	24.1	$	(21.0)	$	-	$	150.5
Cash capital expenditures	$	174.0	$	-	$	0.2	$	-	$	174.2

Successor
$ in millions	Utility		Competitive Retail		Other		Adjustments and Eliminations		DPL Consolidated
Year ended December 31, 2012
Revenues from external customers	$	1,138.4	$	493.1	$	36.9	$	-	$	1,668.4
Intersegment revenues		393.4		-		3.4		(396.8)		-
Total revenues		1,531.8		493.1		40.3		(396.8)		1,668.4
Fuel		354.9		-		7.0		-		361.9
Purchased power		309.5		424.5		1.5		(393.4)		342.1
Amortization of intangibles		-		-		95.1		-		95.1
Gross margin (a)	$	867.4	$	68.6	$	(63.3)	$	(3.4)	$	869.3
Depreciation and amortization	$	141.3	$	0.4	$	(16.3)	$	-	$	125.4
Goodwill impairment (Note 19)	$	-	$	-	$	1,817.2	$	-	$	1,817.2
Fixed asset impairment	$	80.8	$	-	$	(80.8)	$	-	$	-
Interest expense	$	39.1	$	0.6	$	83.9	$	(0.7)	$	122.9
Income tax expense / (benefit)	$	55.1	$	18.1	$	(25.5)	$	-	$	47.7
Net income / (loss)	$	91.2	$	22.8	$	(1,725.4)	$	(118.4)	$	(1,729.8)
Cash capital expenditures	$	195.5	$	-	$	2.6	$	-	$	198.1
Total assets (end of year)	$	3,464.2	$	99.2	$	683.9	$	-	$	4,247.3

Predecessor
$ in millions	Utility		Competitive Retail		Other		Adjustments and Eliminations		DPL Consolidated
Year ended December 31, 2010
Revenues from external customers	$	1,500.3	$	277.0	$	54.1	$	-	$	1,831.4
Intersegment revenues		238.5		-		4.5		(243.0)		-
Total revenues		1,738.8		277.0		58.6		(243.0)		1,831.4
Fuel		371.9		-		12.0		-		383.9
Purchased power		383.5		238.5		3.9		(238.5)		387.4
Gross margin (a)	$	983.4	$	38.5	$	42.7	$	(4.5)	$	1,060.1
Depreciation and amortization	$	130.7	$	0.2	$	8.5	$	-	$	139.4
Interest expense	$	37.1	$	-	$	33.5	$	-	$	70.6
Income tax expense / (benefit)	$	135.2	$	10.5	$	(2.7)	$	-	$	143.0
Net income / (loss)	$	277.7	$	18.8	$	(3.5)	$	(2.7)	$	290.3
Cash capital expenditures	$	148.2	$	-	$	3.2	$	-	$	151.4
Total assets (end of year)	$	3,475.4	$	35.7	$	302.2	$	-	$	3,813.3