CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Operating Revenues	$ 2,287,962	$ 2,105,135
Operating Expenses:
Purchased Power, Fuel and Transmission	946,747	753,649
Operations and Maintenance	332,549	338,307
Depreciation	204,266	186,805
Amortization	45,194	24,017
Energy Efficiency Programs	134,241	146,158
Taxes Other Than Income Taxes	182,433	155,222
Total Operating Expenses	1,845,430	1,604,158
Operating Income/(Loss)	442,532	500,977
Interest Expense	121,129	103,429
Other Income, Net	33,789	21,619
Income Before Income Tax Expense	355,192	419,167
Income Tax Expense	83,766	157,829
Net Income	271,426	261,338
Net Income Attributable to Noncontrolling Interests	1,880	1,880
Net Income Attributable to Common Shareholders	$ 269,546	$ 259,458
Basic and Diluted Earnings Per Common Share (in dollars per share)	$ 0.85	$ 0.82
Dividends Declared Per Common Share (in dollars per share)	$ 0.51	$ 0.48
Weighted Average Common Shares Outstanding:
Basic (in shares)	317,397,052	317,463,151
Diluted (in shares)	317,992,999	318,124,536
The Connecticut Light And Power Company
Operating Revenues	$ 784,983	$ 732,310
Operating Expenses:
Purchased Power, Fuel and Transmission	301,889	244,938
Operations and Maintenance	117,292	128,737
Depreciation	67,498	59,751
Amortization	28,006	12,803
Energy Efficiency Programs	22,760	36,591
Taxes Other Than Income Taxes	90,300	73,979
Total Operating Expenses	627,745	556,799
Operating Income/(Loss)	157,238	175,511
Interest Expense	36,823	34,964
Other Income, Net	6,560	3,267
Income Before Income Tax Expense	126,975	143,814
Income Tax Expense	28,407	53,606
Net Income	98,568	90,208
NSTAR Electric Company
Operating Revenues	770,127	733,808
Operating Expenses:
Purchased Power, Fuel and Transmission	332,579	273,852
Operations and Maintenance	118,682	115,872
Depreciation	70,542	67,218
Amortization	6,364	4,489
Energy Efficiency Programs	74,793	77,976
Taxes Other Than Income Taxes	48,186	37,821
Total Operating Expenses	651,146	577,228
Operating Income/(Loss)	118,981	156,580
Interest Expense	26,464	28,279
Other Income, Net	12,601	8,349
Income Before Income Tax Expense	105,118	136,650
Income Tax Expense	27,969	53,269
Net Income	77,149	83,381
Public Service Company Of New Hampshire
Operating Revenues	267,350	253,157
Operating Expenses:
Purchased Power, Fuel and Transmission	109,717	61,747
Operations and Maintenance	51,380	63,964
Depreciation	23,493	30,735
Amortization	5,035	5,445
Energy Efficiency Programs	5,157	3,746
Taxes Other Than Income Taxes	16,801	20,881
Total Operating Expenses	211,583	186,518
Operating Income/(Loss)	55,767	66,639
Interest Expense	12,772	12,808
Other Income, Net	4,749	2,811
Income Before Income Tax Expense	47,744	56,642
Income Tax Expense	12,651	22,330
Net Income	$ 35,093	$ 34,312