CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Net Income	$ 348,140	$ 320,764	$ 938,883	$ 664,655
Other Comprehensive Income (Loss), Net of Tax:
Qualified Cash Flow Hedging Instruments	602	367	1,218	945
Changes in Unrealized (Losses)/Gains on Marketable Securities	(134)	169	295	1,268
Changes in Funded Status of Pension, SERP and PBOP Benefit Plans	1,693	1,088	3,149	5,770
Other Comprehensive Income (Loss), Net of Tax	2,161	1,624	4,662	7,983
Comprehensive Income Attributable to Noncontrolling Interests	(1,880)	(1,880)	(5,639)	(5,639)
Comprehensive Income Attributable to Common Shareholders	348,421	320,508	937,906	666,999
The Connecticut Light and Power Company
Net Income	120,097	111,687	356,106	326,962
Other Comprehensive Income (Loss), Net of Tax:
Qualified Cash Flow Hedging Instruments	(7)	(7)	(20)	(20)
Changes in Unrealized (Losses)/Gains on Marketable Securities	(4)	6	11	44
Other Comprehensive Income (Loss), Net of Tax	(11)	(1)	(9)	24
Comprehensive Income Attributable to Common Shareholders	120,086	111,686	356,097	326,986
NSTAR Electric Company
Net Income	165,728	154,940	363,585	338,688
Other Comprehensive Income (Loss), Net of Tax:
Qualified Cash Flow Hedging Instruments	109	109	327	328
Changes in Unrealized (Losses)/Gains on Marketable Securities	(1)	2	2	12
Changes in Funded Status of Pension, SERP and PBOP Benefit Plans	(43)	1	(129)	3
Other Comprehensive Income (Loss), Net of Tax	65	112	200	343
Comprehensive Income Attributable to Common Shareholders	165,793	155,052	363,785	339,031
Public Service Company of New Hampshire
Net Income	47,151	40,879	118,384	100,512
Other Comprehensive Income (Loss), Net of Tax:
Qualified Cash Flow Hedging Instruments	268	268	806	806
Changes in Unrealized (Losses)/Gains on Marketable Securities	(8)	10	17	75
Other Comprehensive Income (Loss), Net of Tax	260	278	823	881
Comprehensive Income Attributable to Common Shareholders	$ 47,411	$ 41,157	$ 119,207	$ 101,393