REGULATORY ACCOUNTING (Tables)

3 Months Ended

Jun. 30, 2015

Notes To Consolidated Financial Statements [Abstract]

Schedule Of Regulatory Assets Text Block

	As of June 30, 2015		As of December 31, 2014
(Millions of Dollars)	Eversource		Eversource
Benefit Costs	$	1,980.0	$	2,016.0
Derivative Liabilities		423.7		425.5
Income Taxes, Net		631.5		635.3
Storm Restoration Costs		484.3		502.8
Goodwill-related		495.1		505.4
Regulatory Tracker Mechanisms		430.7		350.5
Contractual Obligations - Yankee Companies		124.8		123.8
Other Regulatory Assets		156.3		167.3
Total Regulatory Assets		4,726.4		4,726.6
Less: Current Portion		709.7		672.5
Total Long-Term Regulatory Assets	$	4,016.7	$	4,054.1

	As of June 30, 2015								As of December 31, 2014
			NSTAR								NSTAR
(Millions of Dollars)	CL&P		Electric		PSNH		WMECO		CL&P		Electric		PSNH		WMECO
Benefit Costs	$	443.3	$	496.1	$	175.1	$	85.9	$	445.4	$	515.9	$	174.3	$	85.0
Derivative Liabilities		420.2		2.2		-		-		410.9		4.5		-		-
Income Taxes, Net		438.9		84.0		34.8		30.7		437.7		83.7		38.0		35.5
Storm Restoration Costs		298.4		117.1		41.1		27.7		319.6		103.7		47.7		31.8
Goodwill-related		-		425.1		-		-		-		433.9		-		-
Regulatory Tracker Mechanisms		44.8		255.0		84.3		36.0		16.1		141.4		103.5		33.0
Other Regulatory Assets		79.6		77.2		35.7		12.7		66.1		94.7		41.3		12.9
Total Regulatory Assets		1,725.2		1,456.7		371.0		193.0		1,695.8		1,377.8		404.8		198.2
Less: Current Portion		263.7		258.5		88.8		54.9		220.3		198.7		111.7		51.9
Total Long-Term Regulatory Assets	$	1,461.5	$	1,198.2	$	282.2	$	138.1	$	1,475.5	$	1,179.1	$	293.1	$	146.3

Schedule Of Regulatory Liabilities Text Block

	As of June 30, 2015		As of December 31, 2014
(Millions of Dollars)	Eversource		Eversource
Cost of Removal	$	434.9	$	439.9
Regulatory Tracker Mechanisms		198.0		192.3
AFUDC - Transmission		66.2		67.1
Other Regulatory Liabilities		20.2		50.8
Total Regulatory Liabilities		719.3		750.1
Less: Current Portion		208.5		235.0
Total Long-Term Regulatory Liabilities	$	510.8	$	515.1

	As of June 30, 2015								As of December 31, 2014
			NSTAR								NSTAR
(Millions of Dollars)	CL&P		Electric		PSNH		WMECO		CL&P		Electric		PSNH		WMECO
Cost of Removal	$	13.5	$	261.5	$	49.1	$	2.8	$	19.7	$	258.3	$	50.3	$	1.1
Regulatory Tracker Mechanisms		115.6		2.9		4.8		17.0		122.6		20.7		14.2		22.3
AFUDC - Transmission		52.2		5.0		-		9.0		53.6		4.4		-		9.1
Other Regulatory Liabilities		12.5		2.2		2.0		0.9		10.1		28.9		2.9		0.8
Total Regulatory Liabilities		193.8		271.6		55.9		29.7		206.0		312.3		67.4		33.3
Less: Current Portion		122.6		5.0		5.6		16.8		124.7		49.6		16.0		22.5
Total Long-Term Regulatory Liabilities	$	71.2	$	266.6	$	50.3	$	12.9	$	81.3	$	262.7	$	51.4	$	10.8