Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2013

Dec. 31, 2012

Fair Value and Cost of Non-Derivative Instruments

	December 31, 2013				December 31, 2012
$ in millions	Cost		Fair Value		Cost		Fair Value
Assets
Money market funds	$	0.3	$	0.3	$	0.2	$	0.2
Equity securities		3.3		4.4		4.0		5.1
Debt securities		5.4		5.5		4.6		5.0
Hedge Funds		0.9		0.9		-		-
Real Estate		0.4		0.4		0.3		0.3
Total assets	$	10.3	$	11.5	$	9.1	$	10.6
Liabilities
Debt	$	2,294.4	$	2,334.6	$	2,609.9	$	2,707.1

Fair Value and Redemption Frequency

Fair Value Estimated Using Net Asset Value per Unit
$ in millions	Fair Value at December 31, 2013		Unfunded Commitments		Redemption Frequency
Money market fund (a)	$	0.3	$	-	Immediate
Equity securities (b)		4.4		-	Immediate
Debt Securities (c)		5.5		-	Immediate
Hedge Funds (d)		0.9		-	Quarterly
Real Estate (e)		0.4		-	Quarterly
Total	$	11.5	$	-

Fair Value Estimated Using Net Asset Value per Unit
$ in millions	Fair Value at December 31, 2012		Unfunded Commitments		Redemption Frequency
Money market fund (a)	$	0.2	$	-	Immediate
Equity securities (b)		5.1		-	Immediate
Debt Securities (c)		5.0		-	Immediate
Multi-strategy fund (d)		0.3		-	Immediate
Total	$	10.6	$	-

^[1]

Fair Value of Assets and Liabilities Measured on Recurring Basis

Assets and Liabilities Measured at Fair Value on a Recurring Basis
			Level 1		Level 2		Level 3
$ in millions	Fair Value at December 31, 2013 (a)		Based on Quoted Prices in Active Markets		Other observable inputs		Unobservable inputs
Assets
Master trust assets
Money market funds	$	0.3	$	0.3	$	-	$	-
Equity securities		4.4		-		4.4		-
Debt securities		5.5		-		5.5		-
Hedge Funds		0.9		-		0.9		-
Real Estate		0.4		-		0.4		-
Total Master trust assets		11.5		0.3		11.2		-
Derivative assets
FTRs		0.2		-		-		0.2
Heating oil futures		0.2		0.2		-		-
Forward power contracts		13.4		-		13.4		-
Total derivative assets		13.8		0.2		13.4		0.2
Total assets	$	25.3	$	0.5	$	24.6	$	0.2
Liabilities
Derivative liabilities
Forward power contracts		10.6		-		10.6		-
Total derivative liabilities		10.6		-		10.6		-
Long Term Debt		2,334.6		-		2,316.1		18.5
Total liabilities	$	2,345.2	$	-	$	2,326.7	$	18.5

Assets and Liabilities Measured at Fair Value on a Recurring Basis
			Level 1		Level 2		Level 3
$ in millions	Fair Value at December 31, 2012 (a)		Based on Quoted Prices in Active Markets		Other observable inputs		Unobservable inputs
Assets
Master trust assets
Money market funds	$	0.2	$	0.2	$	-	$	-
Equity securities		5.1		-		5.1		-
Debt securities		5.0		-		5.0		-
Multi-strategy fund		0.3		-		0.3		-
Total Master trust assets		10.6		0.2		10.4		-
Derivative assets
Heating oil futures		0.2		0.2		-		-
Forward power contracts		6.3		-		6.3		-
Total derivative assets		6.5		0.2		6.3		-
Total assets	$	17.1	$	0.4	$	16.7	$	-
Liabilities
Derivative liabilities
FTRs	$	0.1	$	-	$	-	$	0.1
Interest rate hedges		29.5		-		29.5		-
Forward power contracts		13.1		-		13.1		-
Total derivative liabilities		42.7		-		42.6		0.1
Long Term Debt		2,707.1		-		2,688.2		18.9
Total liabilities	$	2,749.8	$	-	$	2,730.8	$	19.0

Fair Value Measurements, Nonrecurring [Table Text Block]

$ in millions	Year ended December 31, 2013
		Carrying	Fair Value							Gross
		Amount		Level 1		Level 2		Level 3		Loss
Assets
Long-lived assets held and used (a)
DP&L (Conesville)	$	26.2	$	-	$	-	$	-	$	26.2
Goodwill (b)
DP&L Reporting unit	$	623.3	$	-	$	-	$	317.0	$	306.3

$ in millions	Year ended December 31, 2012
		Carrying	Fair Value							Gross
		Amount		Level 1		Level 2		Level 3		Loss
Assets
Goodwill (b)
DP&L Reporting unit	$	2,440.5	$	-	$	-	$	623.3	$	1,817.2

Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Table Text Block]

$ in millions		Fair Value	Valuation Technique	Unobservable input	Range (Weighted Average)
Long-lived assets held and used:
DP&L  (Conesville)	$	-	Discounted cash flows	Annual revenue growth	-31% to 18% (0%)

DP&L [Member]

Fair Value and Cost of Non-Derivative Instruments

	December 31, 2013				December 31, 2012
$ in millions	Cost		Fair Value		Cost		Fair Value
Assets
Money market funds	$	0.3	$	0.3	$	0.2	$	0.2
Equity securities		3.3		4.4		4.0		5.1
Debt securities		5.4		5.5		4.6		5.0
Hedge Funds		0.9		0.9		-		-
Real Estate		0.4		0.4		0.3		0.3
Total assets	$	10.3	$	11.5	$	9.1	$	10.6
Liabilities
Debt	$	877.9	$	859.6	$	903.1	$	926.9

Fair Value and Redemption Frequency

Fair Value Estimated Using Net Asset Value per Unit
$ in millions	Fair Value at December 31, 2013		Unfunded Commitments		Redemption Frequency
Money market fund (a)	$	0.3	$	-	Immediate
Equity securities (b)		4.4		-	Immediate
Debt Securities (c)		5.5		-	Immediate
Hedge Funds (d)		0.9		-	Quarterly
Real Estate (e)		0.4		-	Quarterly
Total	$	11.5	$	-

Fair Value Estimated Using Net Asset Value per Unit
$ in millions	Fair Value at December 31, 2012		Unfunded Commitments		Redemption Frequency
Money market fund (a)	$	0.2	$	-	Immediate
Equity securities (b)		5.1		-	Immediate
Debt Securities (c)		5.0		-	Immediate
Multi-strategy fund (d)		0.3		-	Immediate
Total	$	10.6	$	-

Fair Value of Assets and Liabilities Measured on Recurring Basis

Assets and Liabilities Measured at Fair Value on a Recurring Basis
			Level 1		Level 2		Level 3
$ in millions	Fair Value at December 31, 2013 (a)		Based on Quoted Prices in Active Markets		Other observable inputs		Unobservable inputs
Assets
Master trust assets
Money market funds	$	0.3	$	0.3	$	-	$	-
Equity securities		4.4		-		4.4		-
Debt securities		5.5		-		5.5		-
Hedge Funds		0.9		-		0.9		-
Real Estate		0.4		-		0.4		-
Total Master trust assets		11.5		0.3		11.2		-
Derivative assets
Heating oil futures		0.2		0.2		-		-
FTRs		0.2		-		-		0.2
Forward power contracts		13.4		-		13.4		-
Total derivative assets		13.8		0.2		13.4		0.2
Total assets	$	25.3	$	0.5	$	24.6	$	0.2
Liabilities
Derivative liabilities
Forward power contracts		10.6		-		10.6		-
Total derivative liabilities		10.6		-		10.6		-
Long Term Debt		859.6		-		841.1		18.5
Total liabilities	$	870.2	$	-	$	851.7	$	18.5

Assets and Liabilities Measured at Fair Value on a Recurring Basis
			Level 1		Level 2		Level 3
$ in millions	Fair Value at December 31, 2012 (a)		Based on Quoted Prices in Active Markets		Other observable inputs		Unobservable inputs
Assets
Master trust assets
Money market funds	$	0.2	$	0.2	$	-	$	-
Equity securities		5.1		-		5.1		-
Debt securities		5.0		-		5.0		-
Multi-strategy fund		0.3		-		0.3		-
Total Master trust assets		10.6		0.2		10.4		-
Derivative assets
Heating oil futures		0.2		0.2		-		-
Forward power contracts		7.3		-		7.3		-
Total derivative assets		7.5		0.2		7.3		-
Total assets	$	18.1	$	0.4	$	17.7	$	-
Liabilities
Derivative liabilities
Forward NYMEX coal contracts	$	0.1	$	-	$	-	$	0.1
Forward power contracts		11.6		-		11.6		-
Total derivative liabilities		11.7		-		11.6		0.1
Long Term debt		926.9		-		908.0		18.9
Total liabilities	$	938.6	$	-	$	919.6	$	19.0

Fair Value Measurements, Nonrecurring [Table Text Block]

$ in millions	Year ended December 31, 2013
		Carrying	Fair Value							Gross
		Amount		Level 1		Level 2		Level 3		Loss
Assets
Long-lived assets held and used (a)
Conesville	$	30.0	$	-	$	-	$	20.0	$	10.0
East Bend	$	76.0	$	-	$	-	$	-	$	76.0

$ in millions	Year ended December 31, 2012
		Carrying	Fair Value							Gross
		Amount		Level 1		Level 2		Level 3		Loss
Assets
Long-lived assets held and used (a)
Conesville	$	97.5	$	-	$	-	$	25.0	$	72.5
Hutchings	$	8.3	$	-	$	-	$	-	$	8.3

Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Table Text Block]

$ in millions		Fair Value	Valuation Technique	Unobservable input	Range (Weighted Average)
Long-lived assets held and used:
Conesville	$	20.0	Discounted cash flows	Annual revenue growth	-31% to 18% (0%)
				Annual pretax operating margin	-9% to 18% (10%)
East Bend	$	-	Discounted cash flows	Annual revenue growth	-15% to 22% (4%)
				Annual pretax operating margin	-3% to 34% (15%)

[1] (c)This category includes investments in U.S. Treasury obligations and U.S. investment grade bonds. Investments in this category can be redeemed immediately at the current net asset value per unit.