CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Operating Revenues	$ 1,953,128	$ 1,884,495	$ 4,326,854	$ 4,300,287
Operating Expenses:
Purchased Power, Fuel and Transmission	630,132	620,904	1,506,703	1,595,786
Operations and Maintenance	332,055	328,010	674,117	663,606
Depreciation	240,516	219,084	476,727	434,032
Amortization	23,397	38,945	73,172	109,906
Energy Efficiency Programs	115,354	105,837	263,747	245,953
Taxes Other Than Income Taxes	178,019	181,083	359,613	365,672
Impairment of Northern Pass Transmission	0	239,644	0	239,644
Total Operating Expenses	1,519,473	1,733,507	3,354,079	3,654,599
Operating Income	433,655	150,988	972,775	645,688
Interest Expense	134,285	132,705	269,000	264,438
Other Income, Net	30,243	45,866	54,347	76,850
Income Before Income Tax Expense	329,613	64,149	758,122	458,100
Income Tax Expense	75,501	30,815	167,379	114,209
Net Income	254,112	33,334	590,743	343,891
Net Income Attributable to Noncontrolling Interests	1,880	1,880	3,759	3,759
Net Income Attributable to Common Shareholders	$ 252,232	$ 31,454	$ 586,984	$ 340,132
Basic and Diluted Earnings Per Common Share (in dollars per share)	$ 0.75	$ 0.10	$ 1.75	$ 1.07
Weighted Average Common Shares Outstanding:
Basic (in shares)	337,946,663	319,664,998	334,524,452	318,644,796
Diluted (in shares)	338,561,649	320,388,490	335,749,404	319,352,287
The Connecticut Light and Power Company
Operating Revenues	$ 817,421	$ 740,846	$ 1,717,124	$ 1,590,092
Operating Expenses:
Purchased Power, Fuel and Transmission	315,398	246,540	690,115	566,373
Operations and Maintenance	134,633	133,351	270,230	263,989
Depreciation	79,718	74,555	158,152	147,844
Amortization of Regulatory (Liabilities)/Assets, Net	(5,698)	12,376	850	48,047
Energy Efficiency Programs	32,347	20,780	67,826	46,768
Taxes Other Than Income Taxes	79,867	86,465	162,855	178,463
Total Operating Expenses	636,265	574,067	1,350,028	1,251,484
Operating Income	181,156	166,779	367,096	338,608
Interest Expense	38,722	36,972	76,605	72,754
Other Income, Net	8,459	2,853	10,357	6,733
Income Before Income Tax Expense	150,893	132,660	300,848	272,587
Income Tax Expense	33,622	27,856	64,839	57,312
Net Income	117,271	104,804	236,009	215,275
NSTAR Electric Company
Operating Revenues	660,971	681,893	1,394,804	1,479,505
Operating Expenses:
Purchased Power, Fuel and Transmission	192,304	228,397	434,742	558,501
Operations and Maintenance	115,831	108,924	238,149	221,887
Depreciation	79,520	73,055	157,865	145,639
Amortization of Regulatory (Liabilities)/Assets, Net	19,604	23,184	46,612	45,768
Energy Efficiency Programs	56,756	65,904	125,423	142,633
Taxes Other Than Income Taxes	50,583	48,226	99,306	93,047
Total Operating Expenses	514,598	547,690	1,102,097	1,207,475
Operating Income	146,373	134,203	292,707	272,030
Interest Expense	32,955	28,238	63,972	56,120
Other Income, Net	13,112	10,657	25,350	21,743
Income Before Income Tax Expense	126,530	116,622	254,085	237,653
Income Tax Expense	29,062	26,888	56,228	53,906
Net Income	97,468	89,734	197,857	183,747
Public Service Company of New Hampshire
Operating Revenues	255,224	240,900	531,592	517,335
Operating Expenses:
Purchased Power, Fuel and Transmission	82,560	85,768	176,698	199,299
Operations and Maintenance	54,017	52,729	101,146	105,359
Depreciation	24,750	23,261	49,084	46,180
Amortization of Regulatory (Liabilities)/Assets, Net	11,563	5,857	31,673	19,523
Energy Efficiency Programs	8,786	6,215	18,150	12,929
Taxes Other Than Income Taxes	20,457	20,725	40,158	38,037
Total Operating Expenses	202,133	194,555	416,909	421,327
Operating Income	53,091	46,345	114,683	96,008
Interest Expense	14,607	13,909	29,087	28,276
Other Income, Net	3,626	2,984	6,817	10,006
Income Before Income Tax Expense	42,110	35,420	92,413	77,738
Income Tax Expense	10,478	8,568	21,180	18,104
Net Income	$ 31,632	$ 26,852	$ 71,233	$ 59,634