REGULATORY ACCOUNTING (Tables)

3 Months Ended

Mar. 31, 2013

Notes To Consolidated Financial Statements [Abstract]

Schedule Of Regulatory Assets Text Block

	As of March 31, 2013		As of December 31, 2012
(Millions of Dollars)	NU		NU
Benefit Costs	$	2,390.4	$	2,452.1
Regulatory Assets Offsetting Derivative Liabilities		835.0		885.6
Goodwill		532.5		537.6
Storm Restoration Costs		656.1		547.7
Income Taxes, Net		521.7		516.2
Securitized Assets		157.6		232.6
Contractual Obligations		124.9		217.6
Power Contracts Buy Out Agreements		87.3		92.9
Regulatory Tracker Deferrals		177.2		190.1
Asset Retirement Obligations		90.2		88.8
Other Regulatory Assets		67.7		76.2
Total Regulatory Assets		5,640.6		5,837.4
Less: Current Portion		625.5		705.0
Total Long-Term Regulatory Assets	$	5,015.1	$	5,132.4

		As of March 31, 2013								As of December 31, 2012
				NSTAR								NSTAR
(Millions of Dollars)		CL&P		Electric		PSNH		WMECO		CL&P		Electric		PSNH		WMECO
Benefit Costs		$	546.9	$	769.0	$	217.2	$	112.6	$	563.2	$	781.2	$	223.7	$	116.0
Regulatory Assets Offsetting
	Derivative Liabilities		819.6		13.6		-		1.8		866.2		14.9		-		3.0
Goodwill			-		457.2		-		-		-		461.5		-		-
Storm Restoration Costs			448.7		132.7		32.3		42.4		413.9		55.8		34.5		43.5
Income Taxes, Net			371.7		46.7		37.3		31.1		367.5		47.1		36.2		31.0
Securitized Assets			-		149.5		5.0		3.1		-		205.1		19.7		7.8
Contractual Obligations			59.7		20.9		-		13.7		64.0		22.8		-		14.9
Power Contracts Buy Out Agreements			-		80.7		6.6		-		-		85.9		7.0		-
Regulatory Tracker Deferrals			10.1		84.5		49.7		31.3		12.2		71.4		49.3		31.9
Asset Retirement Obligations			30.0		29.8		14.3		3.6		29.4		29.4		14.2		3.5
Other Regulatory Assets			27.3		14.3		29.1		11.8		27.9		16.9		29.4		12.6
Total Regulatory Assets			2,314.0		1,798.9		391.5		251.4		2,344.3		1,792.0		414.0		264.2
Less: Current Portion			172.9		309.6		62.2		43.5		185.9		347.1		62.9		42.4
Total Long-Term Regulatory Assets		$	2,141.1	$	1,489.3	$	329.3	$	207.9	$	2,158.4	$	1,444.9	$	351.1	$	221.8

Schedule Of Regulatory Liabilities Text Block

	As of March 31, 2013		As of December 31, 2012
(Millions of Dollars)	NU		NU
Cost of Removal	$	441.3	$	440.8
Regulatory Tracker Deferrals		147.0		95.1
AFUDC Transmission Incentive		68.9		70.0
Spent Nuclear Fuel Costs and Contractual Obligations		15.4		15.4
Other Regulatory Liabilities		50.6		53.0
Total Regulatory Liabilities		723.2		674.3
Less: Current Portion		191.7		134.1
Total Long-Term Regulatory Liabilities	$	531.5	$	540.2

		As of March 31, 2013								As of December 31, 2012
				NSTAR								NSTAR
(Millions of Dollars)		CL&P		Electric		PSNH		WMECO		CL&P		Electric		PSNH		WMECO
Cost of Removal		$	39.3	$	244.5	$	51.3	$	-	$	44.2	$	240.3	$	51.2	$	-
Regulatory Tracker Deferrals			39.1		37.3		13.8		12.5		39.1		14.4		20.4		13.7
AFUDC Transmission Incentive			55.5		4.1		-		9.3		56.6		4.1		-		9.3
Spent Nuclear Fuel Costs and
	Contractual Obligations		15.4		-		-		-		15.4		-		-		-
Wholesale Transmission Overcollections			2.3		-		1.1		0.9		-		-		-		5.3
Other Regulatory Liabilities			1.4		29.8		4.4		2.6		1.1		32.9		3.8		2.4
Total Regulatory Liabilities			153.0		315.7		70.6		25.3		156.4		291.7		75.4		30.7
Less: Current Portion			42.3		67.3		18.1		15.6		32.1		47.5		23.0		21.0
Total Long-Term Regulatory Liabilities		$	110.7	$	248.4	$	52.5	$	9.7	$	124.3	$	244.2	$	52.4	$	9.7