REGULATORY ACCOUNTING (Tables)

3 Months Ended

Mar. 31, 2016

Notes To Consolidated Financial Statements [Abstract]

Schedule Of Regulatory Assets Text Block

	As of March 31, 2016		As of December 31, 2015
(Millions of Dollars)	Eversource		Eversource
Benefit Costs	$	1,796.2	$	1,828.2
Derivative Liabilities		389.6		388.0
Income Taxes, Net		646.6		650.9
Storm Restoration Costs		450.5		436.9
Goodwill-related		479.8		484.9
Regulatory Tracker Mechanisms		604.4		526.5
Contractual Obligations - Yankee Companies		130.4		134.4
Other Regulatory Assets		125.3		134.0
Total Regulatory Assets		4,622.8		4,583.8
Less: Current Portion		919.3		845.8
Total Long-Term Regulatory Assets	$	3,703.5	$	3,738.0

	As of March 31, 2016								As of December 31, 2015
			NSTAR								NSTAR
(Millions of Dollars)	CL&P		Electric		PSNH		WMECO		CL&P		Electric		PSNH		WMECO
Benefit Costs	$	406.3	$	471.4	$	161.5	$	83.4	$	413.6	$	479.9	$	164.2	$	84.9
Derivative Liabilities		385.1		3.9		-		-		380.8		1.3		-		-
Income Taxes, Net		444.3		85.7		29.9		31.3		444.4		85.7		34.5		31.8
Storm Restoration Costs		284.2		118.3		26.6		21.4		271.4		110.9		31.5		23.1
Goodwill-related		-		411.9		-		-		-		416.3		-		-
Regulatory Tracker Mechanisms		104.3		325.9		98.1		45.3		45.1		311.0		101.2		40.1
Other Regulatory Assets		79.9		52.2		31.3		11.4		82.0		56.3		31.5		11.3
Total Regulatory Assets		1,704.1		1,469.3		347.4		192.8		1,637.3		1,461.4		362.9		191.2
Less: Current Portion		324.6		361.3		101.6		61.4		268.3		348.4		105.0		56.2
Total Long-Term Regulatory Assets	$	1,379.5	$	1,108.0	$	245.8	$	131.4	$	1,369.0	$	1,113.0	$	257.9	$	135.0

Schedule Of Regulatory Liabilities Text Block

	As of March 31, 2016		As of December 31, 2015
(Millions of Dollars)	Eversource		Eversource
Cost of Removal	$	444.7	$	437.1
Regulatory Tracker Mechanisms		101.1		99.7
AFUDC - Transmission		65.9		66.1
Other Regulatory Liabilities		26.2		18.5
Total Regulatory Liabilities		637.9		621.4
Less: Current Portion		111.4		107.8
Total Long-Term Regulatory Liabilities	$	526.5	$	513.6

	As of March 31, 2016								As of December 31, 2015
			NSTAR								NSTAR
(Millions of Dollars)	CL&P		Electric		PSNH		WMECO		CL&P		Electric		PSNH		WMECO
Cost of Removal	$	26.7	$	260.2	$	47.3	$	3.7	$	24.1	$	257.4	$	47.2	$	2.8
Regulatory Tracker Mechanisms		49.7		4.5		2.6		10.9		56.2		3.3		3.4		12.9
AFUDC - Transmission		51.2		5.8		-		8.9		51.5		5.7		-		8.9
Other Regulatory Liabilities		13.1		1.9		2.7		0.1		4.2		1.3		4.2		0.1
Total Regulatory Liabilities		140.7		272.4		52.6		23.6		136.0		267.7		54.8		24.7
Less: Current Portion		63.0		5.0		4.7		9.8		61.2		3.3		6.9		13.1
Total Long-Term Regulatory Liabilities	$	77.7	$	267.4	$	47.9	$	13.8	$	74.8	$	264.4	$	47.9	$	11.6