REGULATORY ACCOUNTING (Tables)

6 Months Ended

Jun. 30, 2016

Notes To Consolidated Financial Statements [Abstract]

Schedule Of Regulatory Assets Text Block

	As of June 30, 2016		As of December 31, 2015
(Millions of Dollars)	Eversource		Eversource
Benefit Costs	$	1,754.1	$	1,828.2
Derivative Liabilities		413.7		388.0
Income Taxes, Net		644.3		650.9
Storm Restoration Costs		428.9		436.9
Goodwill-related		474.6		484.9
Regulatory Tracker Mechanisms		562.5		526.5
Contractual Obligations - Yankee Companies		117.3		134.4
Other Regulatory Assets		129.6		134.0
Total Regulatory Assets		4,525.0		4,583.8
Less: Current Portion		863.4		845.8
Total Long-Term Regulatory Assets	$	3,661.6	$	3,738.0

	As of June 30, 2016								As of December 31, 2015
			NSTAR								NSTAR
(Millions of Dollars)	CL&P		Electric		PSNH		WMECO		CL&P		Electric		PSNH		WMECO
Benefit Costs	$	383.2	$	477.0	$	160.0	$	77.9	$	413.6	$	479.9	$	164.2	$	84.9
Derivative Liabilities		411.3		2.4		-		-		380.8		1.3		-		-
Income Taxes, Net		442.5		86.3		28.2		31.0		444.4		85.7		34.5		31.8
Storm Restoration Costs		269.5		117.7		21.7		20.0		271.4		110.9		31.5		23.1
Goodwill-related		-		407.5		-		-		-		416.3		-		-
Regulatory Tracker Mechanisms		96.6		287.0		120.5		41.5		45.1		311.0		101.2		40.1
Other Regulatory Assets		78.0		50.9		31.1		12.1		82.0		56.3		31.5		11.3
Total Regulatory Assets		1,681.1		1,428.8		361.5		182.5		1,637.3		1,461.4		362.9		191.2
Less: Current Portion		312.2		316.7		122.9		57.7		268.3		348.4		105.0		56.2
Total Long-Term Regulatory Assets	$	1,368.9	$	1,112.1	$	238.6	$	124.8	$	1,369.0	$	1,113.0	$	257.9	$	135.0

Schedule Of Regulatory Liabilities Text Block

	As of June 30, 2016		As of December 31, 2015
(Millions of Dollars)	Eversource		Eversource
Cost of Removal	$	448.5	$	437.1
Regulatory Tracker Mechanisms		104.4		99.7
AFUDC - Transmission		65.7		66.1
Other Regulatory Liabilities		28.5		18.5
Total Regulatory Liabilities		647.1		621.4
Less: Current Portion		119.4		107.8
Total Long-Term Regulatory Liabilities	$	527.7	$	513.6

	As of June 30, 2016								As of December 31, 2015
			NSTAR								NSTAR
(Millions of Dollars)	CL&P		Electric		PSNH		WMECO		CL&P		Electric		PSNH		WMECO
Cost of Removal	$	30.4	$	261.6	$	46.6	$	4.6	$	24.1	$	257.4	$	47.2	$	2.8
Regulatory Tracker Mechanisms		50.0		6.1		3.2		11.1		56.2		3.3		3.4		12.9
AFUDC - Transmission		50.9		6.0		-		8.8		51.5		5.7		-		8.9
Other Regulatory Liabilities		12.6		1.0		3.5		0.1		4.2		1.3		4.2		0.1
Total Regulatory Liabilities		143.9		274.7		53.3		24.6		136.0		267.7		54.8		24.7
Less: Current Portion		63.3		6.9		6.0		11.3		61.2		3.3		6.9		13.1
Total Long-Term Regulatory Liabilities	$	80.6	$	267.8	$	47.3	$	13.3	$	74.8	$	264.4	$	47.9	$	11.6