ACCUMULATED OTHER COMPREHENSIVE INCOME (Tables)

6 Months Ended

Jun. 30, 2016

Notes To Consolidated Financial Statements [Abstract]

Schedule Of Accumulated Other Comprehensive Income Loss Table Text Block

	For the Six Months Ended June 30, 2016								For the Six Months Ended June 30, 2015
	Qualified		Unrealized						Qualified		Unrealized
	Cash Flow		Gains/(Losses)		Defined				Cash Flow		Gains/(Losses)		Defined
Eversource	Hedging		on Marketable		Benefit				Hedging		on Marketable		Benefit
(Millions of Dollars)	Instruments		Securities		Plans		Total		Instruments		Securities		Plans		Total
Balance as of Beginning of Period	$	(10.3)	$	(1.9)	$	(54.6)	$	(66.8)	$	(12.4)	$	0.7	$	(62.3)	$	(74.0)
OCI Before Reclassifications		-		1.3		(2.6)		(1.3)		-		(1.1)		(0.4)		(1.5)
Amounts Reclassified from AOCI		1.1		-		1.6		2.7		1.0		-		2.5		3.5
Net OCI		1.1		1.3		(1.0)		1.4		1.0		(1.1)		2.1		2.0
Balance as of End of Period	$	(9.2)	$	(0.6)	$	(55.6)	$	(65.4)	$	(11.4)	$	(0.4)	$	(60.2)	$	(72.0)