CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Operating Revenues	$ 2,271,425	$ 1,988,512	$ 6,413,243	$ 5,856,458
Operating Expenses:
Purchased Power, Fuel and Transmission	842,291	651,776	2,442,953	1,955,129
Operations and Maintenance	344,475	307,773	970,881	956,274
Depreciation	208,671	194,466	612,077	571,152
Amortization of Regulatory Assets/(Liabilities), Net	92,711	41,848	174,108	58,058
Energy Efficiency Programs	129,965	129,205	366,162	391,761
Taxes Other Than Income Taxes	187,291	168,193	547,155	479,648
Total Operating Expenses	1,805,404	1,493,261	5,113,336	4,412,022
Operating Income/(Loss)	466,021	495,251	1,299,907	1,444,436
Interest Expense	125,201	108,719	372,734	319,477
Other Income, Net	16,718	28,536	100,656	79,178
Income Before Income Tax Expense	357,538	415,068	1,027,829	1,204,137
Income Tax Expense	66,278	152,818	220,497	447,921
Net Income	291,260	262,250	807,332	756,216
Net Income Attributable to Noncontrolling Interests	1,880	1,880	5,639	5,639
Net Income Attributable to Common Shareholders	$ 289,380	$ 260,370	$ 801,693	$ 750,577
Basic Earnings Per Common Share (in dollars per share)	$ 0.91	$ 0.82	$ 2.53	$ 2.36
Diluted Earnings Per Common Share	0.91	0.82	2.52	2.36
Dividends Declared Per Common Share (in dollars per share)	$ 0.51	$ 0.48	$ 1.52	$ 1.43
Weighted Average Common Shares Outstanding:
Basic (in shares)	317,360,110	317,393,029	317,367,252	317,415,848
Diluted (in shares)	317,967,311	317,949,396	317,948,498	318,007,042
The Connecticut Light and Power Company
Operating Revenues	$ 865,028	$ 774,762	$ 2,344,903	$ 2,173,629
Operating Expenses:
Purchased Power, Fuel and Transmission	314,571	259,005	850,794	711,154
Operations and Maintenance	128,523	123,511	355,500	361,166
Depreciation	72,017	63,727	208,899	184,275
Amortization of Regulatory Assets, Net	54,031	34,574	97,437	58,799
Energy Efficiency Programs	30,240	37,739	71,606	106,483
Taxes Other Than Income Taxes	92,987	79,067	267,662	223,482
Total Operating Expenses	692,369	597,623	1,851,898	1,645,359
Operating Income/(Loss)	172,659	177,139	493,005	528,270
Interest Expense	37,609	36,313	113,107	106,577
Other Income, Net	7,098	7,913	20,722	15,402
Income Before Income Tax Expense	142,148	148,739	400,620	437,095
Income Tax Expense	41,818	52,595	102,010	159,450
Net Income	100,330	96,144	298,610	277,645
NSTAR Electric Company
Operating Revenues	939,460	851,922	2,400,324	2,290,432
Operating Expenses:
Purchased Power, Fuel and Transmission	383,208	294,115	981,895	799,007
Operations and Maintenance	123,634	118,777	344,478	346,469
Depreciation	70,616	68,746	205,210	204,442
Amortization of Regulatory Assets, Net	17,149	10,131	35,467	17,243
Energy Efficiency Programs	89,430	82,611	229,408	228,543
Taxes Other Than Income Taxes	49,927	47,830	145,740	130,492
Total Operating Expenses	733,964	622,210	1,942,198	1,726,196
Operating Income/(Loss)	205,496	229,712	458,126	564,236
Interest Expense	26,958	30,810	80,780	88,715
Other Income, Net	13,697	9,165	40,567	24,610
Income Before Income Tax Expense	192,235	208,067	417,913	500,131
Income Tax Expense	51,640	82,301	112,247	196,001
Net Income	140,595	125,766	305,666	304,130
Public Service Company of New Hampshire
Operating Revenues	290,203	250,032	792,700	733,572
Operating Expenses:
Purchased Power, Fuel and Transmission	100,763	57,099	293,975	179,289
Operations and Maintenance	55,429	65,104	153,296	195,637
Depreciation	23,223	32,084	69,524	95,266
Amortization of Regulatory Assets/(Liabilities), Net	27,357	2,835	41,318	(10,658)
Energy Efficiency Programs	5,863	4,007	15,694	11,040
Taxes Other Than Income Taxes	21,095	22,936	59,775	66,935
Total Operating Expenses	233,730	184,065	633,582	537,509
Operating Income/(Loss)	56,473	65,967	159,118	196,063
Interest Expense	16,593	12,896	43,977	38,676
Other Income, Net	16,095	2,664	24,253	7,367
Income Before Income Tax Expense	55,975	55,735	139,394	164,754
Income Tax Expense	15,309	22,012	37,857	65,128
Net Income	$ 40,666	$ 33,723	$ 101,537	$ 99,626