ACCUMULATED OTHER COMPREHENSIVE INCOME/(LOSS) (Tables)

9 Months Ended

Sep. 30, 2022

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


	For the Nine Months Ended September 30, 2022								For the Nine Months Ended September 30, 2021
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/(Losses) on Marketable Securities		Defined Benefit Plans		Total
Balance as of Beginning of Period	$	(0.4)	$	0.4	$	(42.3)	$	(42.3)	$	(1.4)	$	1.1	$	(76.1)	$	(76.4)

OCI Before Reclassifications	—		(2.0)		(2.5)		(4.5)		—		(0.6)		(2.4)		(3.0)
Amounts Reclassified from AOCI	—		—		5.8		5.8		1.0		—		6.5		7.5
Net OCI	—		(2.0)		3.3		1.3		1.0		(0.6)		4.1		4.5
Balance as of End of Period	$	(0.4)	$	(1.6)	$	(39.0)	$	(41.0)	$	(0.4)	$	0.5	$	(72.0)	$	(71.9)