Regulatory Assets and Liabilities (Tables)

3 Months Ended

Mar. 31, 2013

Regulatory Assets and Liabilities

$ in millions	Type of Recovery (a)	Amortization through	At March 31, 2013		At December 31, 2012
Regulatory assets, current:
TCRR, transmission, ancillary and other PJM-related costs	F	Ongoing	$	6.6	$	7.0
Fuel and purchased power recovery costs	C	Ongoing		11.4		14.1
Total regulatory assets, current			$	18.0	$	21.1
Regulatory assets, non-current:
Deferred recoverable income taxes	B/C	Ongoing	$	34.3	$	35.1
Pension benefits	C	Ongoing		87.3		88.9
Unamortized loss on reacquired debt	C	Ongoing		11.7		11.9
Regional transmission organization costs	D	2014		2.2		2.6
Deferred storm costs	D			24.7		24.4
CCEM smart grid and advanced metering infrastructure costs	D			6.6		6.6
CCEM energy efficiency program costs	F	Ongoing		3.4		5.2
Consumer education campaign	D			3.0		3.0
Retail settlement system costs	D			3.1		3.1
Other costs				4.6		4.7
Total regulatory assets, non-current			$	180.9	$	185.5
Regulatory liabilities, current:
Other			$	-	$	0.1
Total regulatory liabilities, current			$	-	$	0.1
Regulatory liabilities, non-current:
Estimated costs of removal - regulated property			$	113.6	$	112.1
Postretirement benefits				4.8		5.0
Other				0.4		0.2
Total regulatory liabilities, non-current			$	118.8	$	117.3

DP&L [Member]

Regulatory Assets and Liabilities

$ in millions	Type of Recovery (a)	Amortization through	At March 31, 2013		At December 31, 2012
Regulatory assets, current:
TCRR, transmission, ancillary and other PJM-related costs	F	Ongoing	$	6.6	$	7.0
Fuel and purchased power recovery costs	C	Ongoing		10.0		11.3
Total regulatory assets, current			$	16.6	$	18.3
Regulatory assets, non-current:
Deferred recoverable income taxes	B/C	Ongoing	$	34.3	$	35.1
Pension benefits	C	Ongoing		87.3		88.9
Unamortized loss on reacquired debt	C	Ongoing		11.7		11.9
Regional transmission organization costs	D	2014		2.2		2.6
Deferred storm costs	D			24.7		24.4
CCEM smart grid and advanced metering infrastructure costs	D			6.6		6.6
CCEM energy efficiency program costs	F	Ongoing		3.4		5.2
Consumer education campaign	D			3.0		3.0
Retail settlement system costs	D			3.1		3.1
Other costs				4.6		4.7
Total regulatory assets, non-current			$	180.9	$	185.5
Regulatory liabilities, current:
Other			$	-	$	0.1
Total regulatory liabilities, current			$	-	$	0.1
Regulatory liabilities, non-current:
Estimated costs of removal - regulated property			$	113.6	$	112.1
Postretirement benefits				4.8		5.0
Other				0.4		0.2
Total regulatory liabilities, non-current			$	118.8	$	117.3