NSTAR ELECTRIC COMPANY AND SUBSIDIARY CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Net Income	$ 17,302	$ 293,742	$ 510,340	$ 739,068
Other Comprehensive Income/(Loss), Net of Tax:
Changes in Funded Status of SERP Benefit Plan	4,083	(793)	6,054	724
Qualified Cash Flow Hedging Instruments	5	5	10	10
Changes in Unrealized (Losses)/Gains on Marketable Securities	0	(505)	1,254	(1,323)
Other Comprehensive Income (Loss), Net of Tax	4,088	(1,293)	7,318	(589)
Comprehensive Income Attributable to Common Shareholders	19,510	290,569	513,899	734,720
NSTAR Electric Company
Net Income	134,743	119,437	268,556	212,177
Other Comprehensive Income/(Loss), Net of Tax:
Changes in Funded Status of SERP Benefit Plan	(32)	(27)	(65)	(72)
Qualified Cash Flow Hedging Instruments	5	5	10	10
Changes in Unrealized (Losses)/Gains on Marketable Securities	0	(5)	12	(12)
Other Comprehensive Income (Loss), Net of Tax	(27)	(27)	(43)	(74)
Comprehensive Income Attributable to Common Shareholders	$ 134,716	$ 119,410	$ 268,513	$ 212,103