CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Operating Revenues	$ 2,432,794	$ 2,343,642	$ 7,381,172	$ 6,670,497
Operating Expenses:
Purchased Power, Fuel and Transmission	880,639	806,254	2,529,217	2,312,957
Operations and Maintenance	389,065	332,031	1,265,754	1,006,148
Depreciation	276,846	244,453	822,197	721,179
Amortization	45,236	57,515	158,860	130,687
Energy Efficiency Programs	143,796	145,047	460,814	408,794
Taxes Other Than Income Taxes	213,881	197,112	623,827	556,726
Total Operating Expenses	1,949,463	1,782,412	5,860,669	5,136,491
Operating Income/(Loss)	483,331	561,230	1,520,503	1,534,006
Interest Expense	147,962	134,066	431,162	403,067
Other Income, Net	43,768	29,218	124,588	83,565
Income Before Income Tax Expense	379,137	456,382	1,213,929	1,214,504
Income Tax Expense	94,091	108,242	294,461	275,621
Net Income	285,046	348,140	919,468	938,883
Net Income Attributable to Noncontrolling Interests	1,880	1,880	5,639	5,639
Net Income Attributable to Common Shareholders	$ 283,166	$ 346,260	$ 913,829	$ 933,244
Basic Earnings Per Common Share (in dollars per share)	$ 0.82	$ 1.01	$ 2.66	$ 2.77
Diluted Earnings Per Common Share (in dollars per share)	$ 0.82	$ 1.01	$ 2.65	$ 2.76
Weighted Average Common Shares Outstanding:
Basic (in shares)	344,023,846	343,076,614	343,848,905	337,375,172
Diluted (in shares)	344,669,782	343,773,602	344,480,056	338,424,100
The Connecticut Light and Power Company
Operating Revenues	$ 919,643	$ 994,270	$ 2,736,513	$ 2,711,394
Operating Expenses:
Purchased Power, Fuel and Transmission	392,301	399,117	1,073,712	1,089,232
Operations and Maintenance	137,816	147,487	465,630	417,717
Depreciation	85,304	80,583	253,132	238,735
Amortization of Regulatory Assets, Net	28,921	36,365	76,637	37,215
Energy Efficiency Programs	35,714	41,829	100,810	109,655
Taxes Other Than Income Taxes	99,901	97,715	275,178	260,571
Total Operating Expenses	779,957	803,096	2,245,099	2,153,125
Operating Income/(Loss)	139,686	191,174	491,414	558,269
Interest Expense	42,778	38,369	124,371	114,972
Other Income, Net	6,903	5,917	21,690	16,273
Income Before Income Tax Expense	103,811	158,722	388,733	459,570
Income Tax Expense	33,658	38,625	104,626	103,464
Net Income	70,153	120,097	284,107	356,106
NSTAR Electric Company
Operating Revenues	918,698	875,371	2,343,116	2,270,174
Operating Expenses:
Purchased Power, Fuel and Transmission	294,052	267,375	711,667	702,117
Operations and Maintenance	142,074	131,143	421,649	369,293
Depreciation	84,820	80,366	251,530	238,232
Amortization of Regulatory Assets, Net	8,073	22,527	23,963	69,139
Energy Efficiency Programs	86,699	85,244	226,071	210,666
Taxes Other Than Income Taxes	54,723	54,680	163,501	153,985
Total Operating Expenses	670,441	641,335	1,798,381	1,743,432
Operating Income/(Loss)	248,257	234,036	544,735	526,742
Interest Expense	37,329	31,029	106,829	95,000
Other Income, Net	20,215	12,802	58,941	38,152
Income Before Income Tax Expense	231,143	215,809	496,847	469,894
Income Tax Expense	53,692	50,081	114,560	106,309
Net Income	177,451	165,728	382,287	363,585
Public Service Company of New Hampshire
Operating Revenues	314,893	283,669	887,177	815,261
Operating Expenses:
Purchased Power, Fuel and Transmission	107,353	96,612	279,475	273,311
Operations and Maintenance	57,041	50,657	168,242	151,802
Depreciation	30,169	25,410	89,462	74,494
Amortization of Regulatory Assets, Net	17,922	7,360	62,744	39,034
Energy Efficiency Programs	10,762	11,081	30,475	29,231
Taxes Other Than Income Taxes	24,038	18,174	69,639	58,331
Total Operating Expenses	247,285	209,294	700,037	626,203
Operating Income/(Loss)	67,608	74,375	187,140	189,058
Interest Expense	14,321	14,942	42,774	44,029
Other Income, Net	3,171	4,065	11,598	10,882
Income Before Income Tax Expense	56,458	63,498	155,964	155,911
Income Tax Expense	12,315	16,347	32,512	37,527
Net Income	$ 44,143	$ 47,151	$ 123,452	$ 118,384