REGULATORY ACCOUNTING (Tables)

12 Months Ended

Dec. 31, 2015

Notes To Consolidated Financial Statements [Abstract]

Schedule Of Regulatory Assets Text Block

Eversource	As of December 31,
(Millions of Dollars)	2015		2014
Benefit Costs	$	1,828.2	$	2,016.0
Derivative Liabilities		388.0		425.5
Income Taxes, Net		650.9		635.3
Storm Restoration Costs		436.9		502.8
Goodwill-related		484.9		505.4
Regulatory Tracker Mechanisms		526.5		350.5
Contractual Obligations - Yankee Companies		134.4		123.8
Other Regulatory Assets		134.0		167.3
Total Regulatory Assets		4,583.8		4,726.6
Less: Current Portion		845.8		672.5
Total Long-Term Regulatory Assets	$	3,738.0	$	4,054.1

	As of December 31,
	2015								2014
			NSTAR								NSTAR
(Millions of Dollars)	CL&P		Electric		PSNH		WMECO		CL&P		Electric		PSNH		WMECO
Benefit Costs	$	413.6	$	479.9	$	164.2	$	84.9	$	445.4	$	515.9	$	174.3	$	85.0
Derivative Liabilities		380.8		1.3		-		-		410.9		4.5		-		-
Income Taxes, Net		444.4		85.7		34.5		31.8		437.7		83.7		38.0		35.5
Storm Restoration Costs		271.4		110.9		31.5		23.1		319.6		103.7		47.7		31.8
Goodwill-related		-		416.3		-		-		-		433.9		-		-
Regulatory Tracker Mechanisms		45.1		311.0		101.2		40.1		16.1		141.4		103.5		33.0
Other Regulatory Assets		82.0		56.3		31.5		11.3		66.1		94.7		41.3		12.9
Total Regulatory Assets		1,637.3		1,461.4		362.9		191.2		1,695.8		1,377.8		404.8		198.2
Less: Current Portion		268.3		348.4		105.0		56.2		220.3		198.7		111.7		51.9
Total Long-Term Regulatory Assets	$	1,369.0	$	1,113.0	$	257.9	$	135.0	$	1,475.5	$	1,179.1	$	293.1	$	146.3

Schedule Of Regulatory Liabilities Text Block

Eversource	As of December 31,
(Millions of Dollars)	2015		2014
Cost of Removal	$	437.1	$	439.9
Regulatory Tracker Mechanisms		99.7		192.3
AFUDC - Transmission		66.1		67.1
Other Regulatory Liabilities		18.5		50.8
Total Regulatory Liabilities		621.4		750.1
Less: Current Portion		107.8		235.0
Total Long-Term Regulatory Liabilities	$	513.6	$	515.1

	As of December 31,
	2015								2014
			NSTAR								NSTAR
(Millions of Dollars)	CL&P		Electric		PSNH		WMECO		CL&P		Electric		PSNH		WMECO
Cost of Removal	$	24.1	$	257.4	$	47.2	$	2.8	$	19.7	$	258.3	$	50.3	$	1.1
Regulatory Tracker Mechanisms		56.2		3.3		3.4		12.9		122.6		20.7		14.2		22.3
AFUDC - Transmission		51.5		5.7		-		8.9		53.6		4.4		-		9.1
Other Regulatory Liabilities		4.2		1.3		4.2		0.1		10.1		28.9		2.9		0.8
Total Regulatory Liabilities		136.0		267.7		54.8		24.7		206.0		312.3		67.4		33.3
Less: Current Portion		61.2		3.3		6.9		13.1		124.7		49.6		16.0		22.5
Total Long-Term Regulatory Liabilities	$	74.8	$	264.4	$	47.9	$	11.6	$	81.3	$	262.7	$	51.4	$	10.8