CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Net Income	$ 266,400	$ 254,112	$ 634,422	$ 590,743
Other Comprehensive Income (Loss), Net of Tax:
Qualified Cash Flow Hedging Instruments	445	387	852	616
Changes in Unrealized Gains/(Losses) on Marketable Securities	273	269	(463)	429
Changes in Funded Status of Pension, SERP and PBOP Benefit Plans	163	(103)	1,680	1,456
Net OCI	881	553	2,069	2,501
Comprehensive Income Attributable to Noncontrolling Interests	(1,880)	(1,880)	(3,759)	(3,759)
Comprehensive Income Attributable to Common Shareholders	265,401	252,785	632,732	589,485
The Connecticut Light and Power Company
Net Income	115,556	117,271	213,955	236,009
Other Comprehensive Income (Loss), Net of Tax:
Qualified Cash Flow Hedging Instruments	(6)	(6)	(13)	(13)
Changes in Unrealized Gains/(Losses) on Marketable Securities	9	9	(16)	15
Net OCI	3	3	(29)	2
Comprehensive Income Attributable to Common Shareholders	115,559	117,274	213,926	236,011
NSTAR Electric Company
Net Income	110,912	97,468	204,836	197,857
Other Comprehensive Income (Loss), Net of Tax:
Qualified Cash Flow Hedging Instruments	179	109	288	218
Changes in Unrealized Gains/(Losses) on Marketable Securities	2	2	(5)	3
Changes in Funded Status of Pension, SERP and PBOP Benefit Plans	(40)	(43)	(81)	(86)
Net OCI	141	68	202	135
Comprehensive Income Attributable to Common Shareholders	111,053	97,536	205,038	197,992
Public Service Company of New Hampshire
Net Income	34,633	31,632	79,309	71,233
Other Comprehensive Income (Loss), Net of Tax:
Qualified Cash Flow Hedging Instruments	266	269	564	538
Changes in Unrealized Gains/(Losses) on Marketable Securities	16	16	(27)	25
Net OCI	282	285	537	563
Comprehensive Income Attributable to Common Shareholders	$ 34,915	$ 31,917	$ 79,846	$ 71,796