Derivative Instruments and Hedging Activities (Tables)

1 Months Ended

11 Months Ended

12 Months Ended

Dec. 31, 2011

Nov. 27, 2011

Dec. 31, 2012

Dec. 31, 2011

Dec. 31, 2010

Schedule of Notional Amounts of Outstanding Derivative Positions

Commodity	Accounting Treatment	Unit	Purchases (in thousands)		Sales (in thousands)		Net Purchases/ (Sales) (in thousands)
FTRs	Mark to Market	MWh		6.9		-		6.9
Heating Oil Futures	Mark to Market	Gallons		1,764.0		-		1,764.0
Forward Power Contracts	Cash Flow Hedge	MWh		1,021.0		(2,197.9)		(1,176.9)
Forward Power Contracts	Mark to Market	MWh		2,510.7		(4,760.4)		(2,249.7)
Interest Rate Swaps	Cash Flow Hedge	USD	$	160,000.0	$	-	$	160,000.0

Commodity	Accounting Treatment	Unit	Purchases (in thousands)		Sales (in thousands)		Net Purchases/ (Sales) (in thousands)
FTRs	Mark to Market	MWh		7.1		(0.7)		6.4
Heating Oil Futures	Mark to Market	Gallons		2,772.0		-		2,772.0
Forward Power Contracts	Cash Flow Hedge	MWh		886.2		(341.6)		544.6
Forward Power Contracts	Mark to Market	MWh		1,769.4		(1,739.5)		29.9
NYMEX-quality Coal Contracts (a)	Mark to Market	Tons		2,015.0		-		2,015.0
Interest Rate Swaps	Cash Flow Hedge	USD	$	160,000.0	$	-	$	160,000.0

Gains or Losses Recognized in AOCI for the Cash Flow Hedges

	Successor								Predecessor
	Year ended December 31, 2012				November 28, 2011 through December 31, 2011				January 1, 2011 through November 27, 2011				Year ended December 31, 2010
$ in millions	Power		Interest Rate Hedges		Power		Interest Rate Hedges		Power		Interest Rate Hedges		Power		Interest Rate Hedges
Beginning accumulated derivative gain / (loss) in AOCI (a)	$	0.3	$	(0.8)	$	-	$	-	$	(1.8)	$	21.4	$	(1.4)	$	14.7
Net gains / (losses) associated with current period hedging transactions		(2.6)		1.1		0.1		(0.6)		(1.2)		(57.0)		3.1		9.2
Net gains reclassified to earnings:
Interest Expense		-		0.2		-		(0.2)		-		(2.3)		-		(2.5)
Revenues		(0.7)		-		0.1		-		1.1		-		(3.5)		-
Purchased Power		-		-		0.1		-		0.9		-		-		-
Ending accumulated derivative gain / (loss) in AOCI	$	(3.0)	$	0.5	$	0.3	$	(0.8)	$	(1.0)	$	(37.9)	$	(1.8)	$	21.4
Net gains / (losses) associated with the ineffective portion of the hedging transaction
Interest Expense	$	-	$	0.2	$	-	$	0.4	$	-	$	5.1	$	-	$	-
Revenues	$	-	$	-	$	-	$	-	$	-	$	-	$	-	$	-
Portion expected to be reclassified to earnings in the next twelve months (b)	$	(7.7)	$	-	$	-	$	-	$	-	$	-	$	-	$	-
Maximum length of time that we are hedging our exposure to variability in future cash flows related to forecasted transactions (in months)		24.0		8.0

Schedule of Derivative Assets and Liabilities at Fair Value

Fair Values of Derivative Instruments Designated as Hedging Instruments at December 31, 2011
$ in millions	Fair Value (a)		Balance Sheet Location
Short-term Derivative Positions
Forward Power Contracts in an Asset Position	$	1.5	Other prepayments and current assets
Forward Power Contracts in a Liability Position		(0.2)	Other current liabilities
Total Short-term Cash Flow Hedges		1.3
Long-term Derivative Positions
Forward Power Contracts in an Asset Position		0.1	Other deferred assets
Forward Power Contracts in a Liability Position		(2.6)	Other deferred credits
Interest Rate Hedges in a Liability Position		(32.5)	Other deferred credits
Total Long-term Cash Flow Hedges		(35.0)
Total Cash Flow Hedges	$	(33.7)

Schedule of Gains and Losses on Derivatives Not Designated as Hedging Instruments

November 28, 2011 through December 31, 2011
$ in millions	NYMEX Coal		Heating Oil		FTRs		Power		Total
Derivatives not designated as hedging instruments
Change in unrealized loss	$	(1.4)	$	(0.5)	$	-	$	(0.8)	$	(2.7)
Realized gain / (loss)		(1.2)		0.1		0.1		(0.9)		(1.9)
Total	$	(2.6)	$	(0.4)	$	0.1	$	(1.7)	$	(4.6)
Recorded on Balance Sheet:
Partners' share of loss	$	(0.3)	$	-	$	-	$	-	$	(0.3)
Regulatory asset		(0.1)		(0.1)		-		-		(0.2)
Recorded in Income Statement:  gain / (loss)
Revenue		-		-		-		0.6		0.6
Purchased Power		-		-		0.1		(2.3)		(2.2)
Fuel		(2.2)		(0.3)		-		-		(2.5)
O&M		-		-		-		-		-
Total	$	(2.6)	$	(0.4)	$	0.1	$	(1.7)	$	(4.6)

Predecessor
January 1, 2011 through November 27, 2011
$ in millions	NYMEX Coal		Heating Oil		FTRs		Power		Total
Derivatives not designated as hedging instruments
Change in unrealized gain / (loss)	$	(50.7)	$	0.6	$	(0.2)	$	0.8	$	(49.5)
Realized gain / (loss)		8.7		2.2		(0.6)		(2.7)		7.6
Total	$	(42.0)	$	2.8	$	(0.8)	$	(1.9)	$	(41.9)
Recorded on Balance Sheet:
Partners' share of loss	$	(25.9)	$	-	$	-	$	-	$	(25.9)
Regulatory (asset) / liability		(7.0)		0.1		-		-		(6.9)
Recorded in Income Statement:  gain / (loss)
Revenue		-		-		-		(3.8)		(3.8)
Purchased Power		-		-		(0.8)		1.9		1.1
Fuel		(9.1)		2.5		-		-		(6.6)
O&M		-		0.2		-		-		0.2
Total	$	(42.0)	$	2.8	$	(0.8)	$	(1.9)	$	(41.9)

Successor
Year ended December 31, 2012
$ in millions	NYMEX Coal		Heating Oil		FTRs		Power		Total
Derivatives not designated as hedging instruments
Change in unrealized gain / (loss)	$	14.5	$	(1.6)	$	(0.2)	$	4.3	$	17.0
Realized gain / (loss)		(29.5)		1.9		0.5		(5.0)		(32.1)
Total	$	(15.0)	$	0.3	$	0.3	$	(0.7)	$	(15.1)
Recorded on Balance Sheet:
Partners' share of gain	$	4.2	$	-	$	-	$	-	$	4.2
Regulatory (asset) / liability		1.0		(0.6)		-		-		0.4
Recorded in Income Statement:  gain / (loss)
Revenue		-		-		-		(5.1)		(5.1)
Purchased Power		-		-		0.3		4.4		4.7
Fuel		(20.2)		0.7		-		-		(19.5)
O&M		-		0.2		-		-		0.2
Total	$	(15.0)	$	0.3	$	0.3	$	(0.7)	$	(15.1)

Year ended December 31, 2010
$ in millions	NYMEX Coal		Heating Oil		FTRs		Power		Total
Derivatives not designated as hedging instruments
Change in unrealized gain / (loss)	$	33.5	$	2.8	$	(0.6)	$	0.1	$	35.8
Realized gain / (loss)		3.2		(1.6)		(1.5)		(0.1)		-
Total	$	36.7	$	1.2	$	(2.1)	$	-	$	35.8
Recorded on Balance Sheet:
Partners' share of gain	$	20.1	$	-	$	-	$	-	$	20.1
Regulatory liability		4.6		1.1		-		-		5.7
Recorded in Income Statement:  gain / (loss)
Purchased Power		-		-		(2.1)		-		(2.1)
Fuel		12.0		0.1		-		-		12.1
O&M		-		-		-		-		-
Total	$	36.7	$	1.2	$	(2.1)	$	-	$	35.8

Schedule of Other Derivatives Not Designated as Hedging Instruments, Statements of Financial Performance and Financial Position, Location

Fair Values of Derivative Instruments Not Designated as Hedging Instruments
December 31, 2012
$ in millions	Fair Value (a)		Balance Sheet Location
Short-term Derivative Positions
FTRs in a Liability Position	$	(0.1)	Other current liabilities
Forward Power Contracts in an Asset Position		2.7	Other prepayments and current assets
Forward Power Contracts in a Liability Position		(4.1)	Other current liabilities
Heating Oil Futures in an Asset Position		0.2	Other prepayments and current assets
Total Short-term Derivative MTM Positions		(1.3)
Long-term Derivative Positions
Forward Power Contracts in an Asset Position		3.6	Other deferred assets
Forward Power Contracts in a Liability Position		(0.8)	Other deferred credits
Total Long-term Derivative MTM Positions		2.8
Net MTM Position	$	1.5

Fair Values of Derivative Instruments Not Designated as Hedging Instruments
December 31, 2011
$ in millions	Fair Value (a)		Balance Sheet Location
Short-term Derivative Positions
FTRs in an Asset Position	$	0.1	Other prepayments and current assets
Forward Power Contracts in an Asset Position		9.9	Other prepayments and current assets
Forward Power Contracts in a Liability Position		(6.5)	Other current liabilities
NYMEX-quality Coal Forwards in a Liability Position		(8.3)	Other current liabilities
Heating Oil Futures in an Asset Position		1.8	Other prepayments and current assets
Total Short-term Derivative MTM Positions		(3.0)
Long-term Derivative Positions
Forward Power Contracts in an Asset Position		5.8	Other deferred assets
Forward Power Contracts in a Liability Position		(4.0)	Other deferred credits
NYMEX-quality Coal Forwards in a Liability Position		(6.2)	Other deferred credits
Total Long-term Derivative MTM Positions		(4.4)
Net MTM Position	$	(7.4)

DP&L [Member]

Schedule of Notional Amounts of Outstanding Derivative Positions

Commodity	Accounting Treatment	Unit	Purchases (in thousands)		Sales (in thousands)		Net Purchases/ (Sales) (in thousands)
FTRs	Mark to Market	MWh		6.9		-		6.9
Heating Oil Futures	Mark to Market	Gallons		1,764.0		-		1,764.0
Forward Power Contracts	Cash Flow Hedge	MWh		1,021.0		(2,197.9)		(1,176.9)
Forward Power Contracts	Mark to Market	MWh		2,296.6		(4,760.4)		(2,463.8)

Commodity	Accounting Treatment	Unit	Purchases (in thousands)		Sales (in thousands)		Net Purchases/ (Sales) (in thousands)
FTRs	Mark to Market	MWh		7.1		(0.7)		6.4
Heating Oil Futures	Mark to Market	Gallons		2,772.0		-		2,772.0
Forward Power Contracts	Cash Flow Hedge	MWh		886.2		(341.6)		544.6
Forward Power Contracts	Mark to Market	MWh		525.1		(525.1)		-
NYMEX-quality Coal Contracts (a)	Mark to Market	Tons		2,015.0		-		2,015.0

Gains or Losses Recognized in AOCI for the Cash Flow Hedges

	Year ended December 31, 2012				Year ended December 31, 2011				Year ended December 31, 2010
$ in millions	Power		Interest Rate Hedge		Power		Interest Rate Hedge		Power		Interest Rate Hedge
Beginning accumulated derivative gain / (loss) in AOCI (a)	$	(0.8)	$	9.8	$	(1.8)	$	12.2	$	(1.4)	$	14.7
Net gains / (losses) associated with current period hedging transactions		(3.0)		-		(1.2)		-		3.1		-
Net gains reclassified to earnings:
Interest Expense		-		(2.5)		-		(2.4)		-		(2.5)
Revenues		(1.1)		-		1.2		-		(3.5)		-
Purchased Power		0.2		-		1.0		-		-		-
Ending accumulated derivative gain / (loss) in AOCI	$	(4.7)	$	7.3	$	(0.8)	$	9.8	$	(1.8)	$	12.2
Net gains or losses associated with the ineffective portion of the hedging transactions were immaterial in the years ended December 31, 2012, 2011 and 2010.
Portion expected to be reclassified to earnings in the next twelve months (a)	$	(6.2)	$	(2.5)
Maximum length of time that we are hedging our exposure to variability in future cash flows related to forecasted transactions (in months)		24		-

Schedule of Derivative Assets and Liabilities at Fair Value

Fair Values of Derivative Instruments Designated as Hedging Instruments at December 31, 2012
$ in millions	Fair Value (a)		Balance Sheet Location
Short-term Derivative Positions
Forward Power Contracts in an Asset Position	$	0.5	Other prepayments and current assets
Forward Power Contracts in a Liability Position		(6.7)	Other current liabilities
Total Short-term Cash Flow Hedges		(6.2)
Long-term Derivative Positions
Forward Power Contracts in an Asset Position		0.5	Other deferred assets
Forward Power Contracts in a Liability Position		(1.5)	Other deferred credits
Total Long-term Cash Flow Hedges		(1.0)
Total Cash Flow Hedges	$	(7.2)

Fair Values of Derivative Instruments Designated as Hedging Instruments at December 31, 2011
$ in millions	Fair Value (a)		Balance Sheet Location
Short-term Derivative Positions
Forward Power Contracts in an Asset Position	$	1.5	Other prepayments and current assets
Forward Power Contracts in a Liability Position		(0.2)	Other current liabilities
Total Short-term Cash Flow Hedges		1.3
Long-term Derivative Positions
Forward Power Contracts in an Asset Position		0.1	Other deferred assets
Forward Power Contracts in a Liability Position		(2.6)	Other deferred credits
Total Long-term Cash Flow Hedges		(2.5)
Total Cash Flow Hedges	$	(1.2)

Schedule of Gains and Losses on Derivatives Not Designated as Hedging Instruments

Year ended December 31, 2012
$ in millions	NYMEX Coal		Heating Oil		FTRs		Power		Total
Derivatives not designated as hedging instruments
Change in unrealized gain / (loss)	$	14.5	$	(1.6)	$	(0.2)	$	3.0	$	15.7
Realized gain / (loss)		(29.5)		1.9		0.5		4.9		(22.2)
Total	$	(15.0)	$	0.3	$	0.3	$	7.9	$	(6.5)
Recorded on Balance Sheet:
Partners' share of gain	$	4.2	$	-	$	-	$	-	$	4.2
Regulatory (asset) / liability		1.0		(0.6)		-		-		0.4
Recorded in Income Statement:  gain / (loss)
Revenue		-		-		-		2.7		2.7
Purchased Power		-		-		0.3		5.2		5.5
Fuel		(20.2)		0.7		-		-		(19.5)
O&M		-		0.2		-		-		0.2
Total	$	(15.0)	$	0.3	$	0.3	$	7.9	$	(6.5)

Year ended December 31, 2011
$ in millions	NYMEX Coal		Heating Oil		FTRs		Power		Total
Derivatives not designated as hedging instruments
Change in unrealized gain / (loss)	$	(52.1)	$	0.1	$	(0.1)	$	0.3	$	(51.8)
Realized gain / (loss)		7.5		2.3		(0.6)		(1.4)		7.8
Total	$	(44.6)	$	2.4	$	(0.7)	$	(1.1)	$	(44.0)
Recorded on Balance Sheet:
Partners' share of loss	$	(26.1)	$	-	$	-	$	-	$	(26.1)
Regulatory asset		(7.1)		-		-		-		(7.1)
Recorded in Income Statement:  gain / (loss)
Revenue		-		-		-		2.5		2.5
Purchased Power		-		-		(0.7)		(3.6)		(4.3)
Fuel		(11.4)		2.2		-		-		(9.2)
O&M		-		0.2		-		-		0.2
Total	$	(44.6)	$	2.4	$	(0.7)	$	(1.1)	$	(44.0)

Year ended December 31, 2010
$ in millions	NYMEX Coal		Heating Oil		FTRs		Power		Total
Derivatives not designated as hedging instruments
Change in unrealized gain / (loss)	$	33.5	$	2.8	$	(0.6)	$	0.1	$	35.8
Realized gain / (loss)		3.2		(1.6)		(1.5)		(0.1)		-
Total	$	36.7	$	1.2	$	(2.1)	$	-	$	35.8
Recorded on Balance Sheet:
Partners' share of gain	$	20.1	$	-	$	-	$	-	$	20.1
Regulatory liability		4.6		1.1		-		-		5.7
Recorded in Income Statement:  gain / (loss)
Revenue		-		-		-		-		-
Purchased Power		-		-		(2.1)		-		(2.1)
Fuel		12.0		0.1		-		-		12.1
O&M		-		-		-		-		-
Total	$	36.7	$	1.2	$	(2.1)	$	-	$	35.8

Schedule of Other Derivatives Not Designated as Hedging Instruments, Statements of Financial Performance and Financial Position, Location

Fair Values of Derivative Instruments Not Designated as Hedging Instruments
December 31, 2012
$ in millions	Fair Value (a)		Balance Sheet Location
Short-term Derivative Positions
FTRs in a Liability Position	$	(0.1)	Other  current liabilities
Forward Power Contracts in an Asset Position		2.8	Other prepayments and current assets
Forward Power Contracts in a Liability Position		(2.7)	Other current liabilities
Heating Oil Futures in an Asset Position		0.2	Other prepayments and current assets
Total Short-term Derivative MTM Positions		0.2
Long-term Derivative Positions
Forward Power Contracts in an Asset Position		3.6	Other deferred assets
Forward Power Contracts in a Liability Position		(0.7)	Other deferred credits
Total Long-term Derivative MTM Positions		2.9
Net MTM Position	$	3.1

Fair Values of Derivative Instruments Not Designated as Hedging Instruments
December 31, 2011
$ in millions	Fair Value (a)		Balance Sheet Location
Short-term Derivative Positions
FTRs in an Asset Position	$	0.1	Other prepayments and current assets
Forward Power Contracts in an Asset Position		1.0	Other prepayments and current assets
Forward Power Contracts in a Liability Position		(0.9)	Other current liabilities
NYMEX-quality Coal Forwards in a Liability Position		(8.3)	Other current liabilities
Heating Oil Futures in an Asset Position		1.8	Other prepayments and current assets
Total Short-term Derivative MTM Positions		(6.3)
Long-term Derivative Positions
Forward Power Contracts in an Asset Position		1.5	Other deferred assets
Forward Power Contracts in a Liability Position		(1.3)	Other deferred credits
NYMEX-quality Coal Forwards in a Liability Position		(6.2)	Other deferred credits
Total Long-term Derivative MTM Positions		(6.0)
Net MTM Position	$	(12.3)

Cash Flow Hedge [Member]

Schedule of Derivative Assets and Liabilities at Fair Value

Fair Values of Derivative Instruments Designated as Hedging Instruments at December 31, 2012
$ in millions	Fair Value (a)		Balance Sheet Location
Short-term Derivative Positions
Forward Power Contracts in an Asset Position	$	0.5	Other prepayments and current assets
Forward Power Contracts in a Liability Position		(6.7)	Other current liabilities
Interest Rate Hedges in a Liability Position		(29.5)	Other current liabilities
Total Short-term Cash Flow Hedges		(35.7)
Long-term Derivative Positions
Forward Power Contracts in an Asset Position		0.5	Other deferred assets
Forward Power Contracts in a Liability Position		(1.5)	Other deferred credits
Interest Rate Hedges in a Liability Position		-	Other deferred credits
Total Long-term Cash Flow Hedges		(1.0)
Total Cash Flow Hedges	$	(36.7)