NSTAR ELECTRIC COMPANY AND SUBSIDIARY CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Net Income	$ 351,289	$ 285,046	$ 1,090,356	$ 919,468
Other Comprehensive Income, Net of Tax:
Changes in Funded Status of Pension, SERP and PBOP Benefit Plans	2,520	2,468	3,244	4,148
Qualified Cash Flow Hedging Instruments	5	115	15	967
Changes in Unrealized Losses on Marketable Securities	(667)	(106)	(1,990)	(569)
Net OCI	1,858	2,477	1,269	4,546
Comprehensive Income Attributable to Common Shareholders	351,267	285,643	1,085,986	918,375
NSTAR Electric Company
Net Income	188,084	177,451	400,260	382,287
Other Comprehensive Income, Net of Tax:
Changes in Funded Status of Pension, SERP and PBOP Benefit Plans	(61)	(40)	(132)	(122)
Qualified Cash Flow Hedging Instruments	5	5	15	293
Changes in Unrealized Losses on Marketable Securities	(6)	(1)	(19)	(5)
Net OCI	(62)	(36)	(136)	166
Comprehensive Income Attributable to Common Shareholders	$ 188,022	$ 177,415	$ 400,124	$ 382,453