ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS) (Tables)

3 Months Ended

Mar. 31, 2021

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


	For the Three Months Ended March 31, 2021								For the Three Months Ended March 31, 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	—		(0.7)		—		(0.7)		—		0.2		—		0.2
Amounts Reclassified from AOCI	0.4		—		1.5		1.9		0.2		—		1.6		1.8
Net OCI	0.4		(0.7)		1.5		1.2		0.2		0.2		1.6		2.0
Balance as of March 31st	$	(1.0)	$	0.4	$	(74.6)	$	(75.2)	$	(2.8)	$	0.9	$	(61.2)	$	(63.1)