Environmental Matters (Tables)

12 Months Ended

Dec. 31, 2012

Accrued Liabilities and Regulatory Assets

The accrued liabilities and regulatory assets related to Superfund Sites at December 31, 2012 and 2011 were as follows:

	Con Edison				CECONY
(Millions of Dollars)	2012		2011		2012		2011
Accrued Liabilities:
Manufactured gas plant sites	$	462	$	422	$	351	$	307
Other Superfund Sites		83		67		82		66
Total	$	545	$	489	$	433	$	373
Regulatory assets	$	730	$	681	$	615	$	564

Environmental Remediation Costs

Environmental remediation costs incurred and insurance recoveries received related to Superfund Sites at December 31, 2012 and 2011 were as follows:

	Con Edison				CECONY
(Millions of Dollars)	2012		2011		2012		2011
Remediation costs incurred	$	31	$	39	$	26	$	35
Insurance recoveries received*		4		-		4		-

* Reduced amount deferred for recovery from customers

Accrued Liability for Asbestos Suits and Workers' Compensation Proceedings

The accrued liability for asbestos suits and workers’ compensation proceedings (including those related to asbestos exposure) and the amounts deferred as regulatory assets for the Companies at December 31, 2012 and 2011 were as follows:

	Con Edison				CECONY
(Millions of Dollars)	2012		2011		2012		2011
Accrued liability – asbestos suits	$	10	$	10	$	10	$	10
Regulatory assets – asbestos suits	$	10	$	10	$	10	$	10
Accrued liability – workers’ compensation	$	94	$	98	$	89	$	93
Regulatory assets – workers’ compensation	$	19	$	23	$	19	$	23