REGULATORY ACCOUNTING (Tables)

9 Months Ended

Sep. 30, 2012

Notes To Consolidated Financial Statements [Abstract]

Schedule Of Regulatory Assets Text Block

	As of September 30, 2012		As of December 31, 2011
(Millions of Dollars)	NU		NU
Deferred Benefit Costs	$	2,374.3	$	1,360.5
Regulatory Assets Offsetting Derivative Liabilities		908.9		939.6
Goodwill (2)		542.6		-
Income Taxes, Net		511.2		425.4
Storm Cost Deferrals		369.5		356.0
Securitized Assets		293.0		101.8
Unrecovered Contractual Obligations		215.8		100.9
Power Contracts Buy Out Agreements		99.3		8.6
Regulatory Tracker Deferrals		132.1		45.9
Asset Retirement Obligations		83.8		47.5
Losses on Reacquired Debt		39.5		24.5
Deferred Environmental Remediation Costs		57.5		38.5
Other Regulatory Assets		28.1		73.6
Total Regulatory Assets	$	5,655.6	$	3,522.8
Less: Current Portion	$	647.6	$	255.1
Total Long-Term Regulatory Assets	$	5,008.0	$	3,267.7

		As of September 30, 2012								As of December 31, 2011
				NSTAR								NSTAR
(Millions of Dollars)		CL&P		Electric		PSNH		WMECO		CL&P		Electric(1)		PSNH		WMECO
Deferred Benefit Costs		$	516.7	$	811.9	$	178.1	$	107.6	$	572.8	$	813.7	$	200.0	$	118.9
Regulatory Assets Offsetting
	Derivative Liabilities		891.0		13.8		-		3.7		932.0		3.4		-		7.3
Goodwill (2)			-		465.9		-		-		-		478.9		-		-
Income Taxes, Net			364.1		47.5		36.0		30.2		339.6		48.8		38.0		17.8
Storm Cost Deferrals			255.7		36.9		36.7		40.2		268.3		30.6		44.0		43.7
Securitized Assets			-		246.5		34.2		12.3		-		368.5		76.4		25.4
Unrecovered Contractual Obligations			68.2		24.8		-		16.2		80.9		30.8		-		20.0
Power Contracts Buy Out Agreements			-		91.9		7.4		-		-		109.5		8.6		-
Regulatory Tracker Deferrals			18.9		55.5		21.9		23.1		5.5		61.1		11.9		22.1
Asset Retirement Obligations			29.7		25.8		14.0		3.5		27.9		24.5		13.5		3.2
Losses on Reacquired Debt			13.4		16.3		8.3		0.3		13.9		18.2		9.0		0.3
Deferred Environmental Remediation
	Costs		-		-		9.9		-		-		-		9.7		-
Other Regulatory Assets			27.3		10.9		11.2		11.6		33.1		16.5		17.0		10.0
Total Regulatory Assets		$	2,185.0	$	1,847.7	$	357.7	$	248.7	$	2,274.0	$	2,004.5	$	428.1	$	268.7
Less: Current Portion		$	186.6	$	337.6	$	34.8	$	34.8	$	170.2	$	323.9	$	34.2	$	35.5
Total Long-Term Regulatory Assets		$	1,998.4	$	1,510.1	$	322.9	$	213.9	$	2,103.8	$	1,680.6	$	393.9	$	233.2

Schedule Of Regulatory Liabilities Text Block

Regulatory Liabilities: The components of regulatory liabilities are as follows:
	As of September 30, 2012		As of December 31, 2011
(Millions of Dollars)	NU		NU
Cost of Removal	$	447.2	$	172.2
Regulatory Tracker Deferrals		171.2		139.1
AFUDC Transmission Incentive		70.2		67.0
Overrecovered Spent Nuclear Fuel Costs and Contractual Obligations		15.4		15.4
Wholesale Transmission Overcollections		1.6		9.6
Other Regulatory Liabilities(2)		82.6		30.6
Total Regulatory Liabilities	$	788.2	$	433.9
Less: Current Portion	$	226.6	$	167.8
Total Long-Term Regulatory Liabilities	$	561.6	$	266.1

		As of September 30, 2012										As of December 31, 2011
				NSTAR									NSTAR
(Millions of Dollars)		CL&P		Electric		PSNH		WMECO		CL&P			Electric (1)		PSNH		WMECO
Cost of Removal		$	47.1	$	242.2	$	52.2	$	-	$	63.8		$	235.8	$	53.2	$	7.2
Regulatory Tracker Deferrals			86.3		43.7		16.3		18.2		94.4			11.7		17.3		21.3
AFUDC Transmission Incentive			56.8		4.1		-		9.3		57.7			4.3		-		9.3
Overrecovered Spent Nuclear Fuel
	Costs and Contractual Obligations		15.4		-		-		-		15.4			-		-		-
Wholesale Transmission Overcollections			3.0		-		-		2.6		4.5			-		2.6		9.5
Other Regulatory Liabilities (2)			11.7		51.0		3.3		2.1		11.8			29.7		5.8		2.4
Total Regulatory Liabilities		$	220.3	$	341.0	$	71.8	$	32.2	$	247.6		$	281.5	$	78.9	$	49.7
Less: Current Portion		$	90.2	$	84.5	$	18.4	$	22.5	$	108.3		$	41.6	$	24.5	$	33.1
Total Long-Term Regulatory Liabilities		$	130.1	$	256.5	$	53.4	$	9.7	$	139.3		$	239.9	$	54.4	$	16.6