CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Operating Revenues	$ 2,373,726	$ 2,415,792
Operating Expenses:
Purchased Power, Fuel and Transmission	876,570	974,882
Operations and Maintenance	342,062	335,597
Depreciation	236,211	214,948
Amortization	49,776	70,961
Energy Efficiency Programs	148,393	140,116
Taxes Other Than Income Taxes	181,594	184,588
Total Operating Expenses	1,834,606	1,921,092
Operating Income/(Loss)	539,120	494,700
Interest Expense	134,715	131,734
Other Income, Net	24,104	30,985
Income Before Income Tax Expense	428,509	393,951
Income Tax Expense	91,876	83,393
Net Income	336,633	310,558
Net Income Attributable to Noncontrolling Interests	1,880	1,880
Net Income Attributable to Common Shareholders	$ 334,753	$ 308,678
Basic Earnings Per Common Share (in dollars per share)	$ 1.01	$ 0.97
Weighted Average Common Shares Outstanding:
Basic (in shares)	331,102,237	317,624,593
Diluted (in shares)	332,937,153	318,316,082
The Connecticut Light and Power Company
Operating Revenues	$ 899,703	$ 849,246
Operating Expenses:
Purchased Power, Fuel and Transmission	374,717	319,833
Operations and Maintenance	135,597	130,637
Depreciation	78,435	73,289
Amortization of Regulatory Assets, Net	6,548	35,671
Energy Efficiency Programs	35,479	25,988
Taxes Other Than Income Taxes	82,987	92,000
Total Operating Expenses	713,763	677,418
Operating Income/(Loss)	185,940	171,828
Interest Expense	37,883	35,781
Other Income, Net	1,898	3,880
Income Before Income Tax Expense	149,955	139,927
Income Tax Expense	31,217	29,456
Net Income	118,738	110,471
NSTAR Electric Company
Operating Revenues	733,833	797,612
Operating Expenses:
Purchased Power, Fuel and Transmission	242,439	330,104
Operations and Maintenance	122,318	112,963
Depreciation	78,345	72,584
Amortization of Regulatory Assets, Net	27,008	22,584
Energy Efficiency Programs	68,667	76,729
Taxes Other Than Income Taxes	48,722	44,822
Total Operating Expenses	587,499	659,786
Operating Income/(Loss)	146,334	137,826
Interest Expense	31,017	27,881
Other Income, Net	12,238	11,086
Income Before Income Tax Expense	127,555	121,031
Income Tax Expense	27,165	27,017
Net Income	100,390	94,014
Public Service Company of New Hampshire
Operating Revenues	276,368	276,435
Operating Expenses:
Purchased Power, Fuel and Transmission	94,138	113,531
Operations and Maintenance	47,128	52,630
Depreciation	24,334	22,919
Amortization of Regulatory Assets, Net	20,110	13,667
Energy Efficiency Programs	9,364	6,714
Taxes Other Than Income Taxes	19,701	17,311
Total Operating Expenses	214,775	226,772
Operating Income/(Loss)	61,593	49,663
Interest Expense	14,479	14,367
Other Income, Net	3,190	7,022
Income Before Income Tax Expense	50,304	42,318
Income Tax Expense	10,703	9,537
Net Income	$ 39,601	$ 32,781