CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Operating Revenues	$ 2,415,792	$ 2,287,962
Operating Expenses:
Purchased Power, Fuel and Transmission	974,882	946,747
Operations and Maintenance	335,597	332,549
Depreciation	214,948	204,266
Amortization	70,961	45,194
Energy Efficiency Programs	140,116	134,241
Taxes Other Than Income Taxes	184,588	182,433
Total Operating Expenses	1,921,092	1,845,430
Operating Income	494,700	442,532
Interest Expense	131,734	121,129
Other Income, Net	30,985	33,789
Income Before Income Tax Expense	393,951	355,192
Income Tax Expense	83,393	83,766
Net Income	310,558	271,426
Net Income Attributable to Noncontrolling Interests	1,880	1,880
Net Income Attributable to Common Shareholders	$ 308,678	$ 269,546
Basic and Diluted Earnings Per Common Share (in dollars per share)	$ 0.97	$ 0.85
Weighted Average Common Shares Outstanding:
Basic (in shares)	317,624,593	317,397,052
Diluted (in shares)	318,316,082	317,992,999
The Connecticut Light and Power Company
Operating Revenues	$ 849,246	$ 784,983
Operating Expenses:
Purchased Power, Fuel and Transmission	319,833	301,889
Operations and Maintenance	130,637	117,292
Depreciation	73,289	67,498
Amortization of Regulatory Assets, Net	35,671	28,006
Energy Efficiency Programs	25,988	22,760
Taxes Other Than Income Taxes	92,000	90,300
Total Operating Expenses	677,418	627,745
Operating Income	171,828	157,238
Interest Expense	35,781	36,823
Other Income, Net	3,880	6,560
Income Before Income Tax Expense	139,927	126,975
Income Tax Expense	29,456	28,407
Net Income	110,471	98,568
NSTAR Electric Company
Operating Revenues	797,612	770,127
Operating Expenses:
Purchased Power, Fuel and Transmission	330,104	332,579
Operations and Maintenance	112,963	118,682
Depreciation	72,584	70,542
Amortization of Regulatory Assets, Net	22,584	6,364
Energy Efficiency Programs	76,729	74,793
Taxes Other Than Income Taxes	44,822	48,186
Total Operating Expenses	659,786	651,146
Operating Income	137,826	118,981
Interest Expense	27,881	26,464
Other Income, Net	11,086	12,601
Income Before Income Tax Expense	121,031	105,118
Income Tax Expense	27,017	27,969
Net Income	94,014	77,149
Public Service Company of New Hampshire
Operating Revenues	276,435	267,350
Operating Expenses:
Purchased Power, Fuel and Transmission	113,531	109,717
Operations and Maintenance	52,630	51,380
Depreciation	22,919	23,493
Amortization	13,667	5,035
Energy Efficiency Programs	6,714	5,157
Taxes Other Than Income Taxes	17,311	16,801
Total Operating Expenses	226,772	211,583
Operating Income	49,663	55,767
Interest Expense	14,367	12,772
Other Income, Net	7,022	4,749
Income Before Income Tax Expense	42,318	47,744
Income Tax Expense	9,537	12,651
Net Income	$ 32,781	$ 35,093