ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS) (Tables)

6 Months Ended

Jun. 30, 2021

The changes in accumulated other comprehensive income/(loss) by component, net of tax, are as follows:


	For the Six Months Ended June 30, 2021								For the Six Months Ended June 30, 2020
Eversource (Millions of Dollars)	Qualified Cash Flow Hedging Instruments		Unrealized Gains/(Losses) on Marketable Securities		Defined Benefit Plans		Total		Qualified Cash Flow Hedging Instruments		Unrealized Gains on Marketable Securities		Defined Benefit Plans		Total
Balance as of January 1st	$	(1.4)	$	1.1	$	(76.1)	$	(76.4)	$	(3.0)	$	0.7	$	(62.8)	$	(65.1)

OCI Before Reclassifications	—		(0.5)		(2.4)		(2.9)		—		0.4		(1.6)		(1.2)
Amounts Reclassified from AOCI	0.9		—		4.1		5.0		0.6		—		3.1		3.7
Net OCI	0.9		(0.5)		1.7		2.1		0.6		0.4		1.5		2.5
Balance as of June 30th	$	(0.5)	$	0.6	$	(74.4)	$	(74.3)	$	(2.4)	$	1.1	$	(61.3)	$	(62.6)