CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Operating Activities:
Net Income	$ 807,332	$ 756,216
Adjustments to Reconcile Net Income to Net Cash Flows Provided by Operating Activities:
Depreciation	612,077	571,152
Deferred Income Taxes	70,402	374,863
Uncollectible Expense	50,720	30,111
Pension, SERP and PBOP Expense, Net	5,192	16,891
Pension and PBOP Contributions	(188,874)	(197,900)
Regulatory Overrecoveries, Net	189,932	185,952
Amortization of Regulatory Assets/(Liabilities), Net	174,108	58,058
Other	(129,039)	(197,876)
Changes in Current Assets and Liabilities:
Receivables and Unbilled Revenues, Net	(212,326)	(107,473)
Fuel, Materials, Supplies and Inventory	44,702	23,686
Taxes Receivable/Accrued, Net	70,885	88,856
Accounts Payable	(72,591)	(96,551)
Other Current Assets and Liabilities, Net	(14,858)	(30,138)
Net Cash Flows Provided by Operating Activities	1,407,662	1,475,847
Investing Activities:
Investments in Property, Plant and Equipment	(1,885,081)	(1,642,280)
Proceeds from Sales of Marketable Securities	405,276	520,664
Purchases of Marketable Securities	(396,277)	(506,302)
Proceeds from the Sale of Generation Assets	193,924	0
Other Investing Activities	(23,405)	(24,173)
Net Cash Flows Used in Investing Activities	(1,705,563)	(1,652,091)
Financing Activities:
Cash Dividends on Common Stock	(480,082)	(451,562)
Cash Dividends on Preferred Stock	(5,639)	(5,639)
Increase/(Decrease) in Notes Payable	(222,110)	(231,500)
Issuance of Rate Reduction Bonds	635,663	0
Issuance of Long-Term Debt	1,300,000	1,250,000
Retirement of Long-Term Debt	(860,855)	(320,000)
Other Financing Activities	(20,361)	171
Net Cash Flows (Used in)/Provided by Financing Activities	346,616	241,470
Net Increase in Cash, Cash Equivalents and Restricted Cash	48,715	65,226
Cash, Cash Equivalents and Restricted Cash - Beginning of Period	85,890	106,750
Cash, Cash Equivalents and Restricted Cash - End of Period	134,605	171,976
The Connecticut Light and Power Company
Operating Activities:
Net Income	298,610	277,645
Adjustments to Reconcile Net Income to Net Cash Flows Provided by Operating Activities:
Depreciation	208,899	184,275
Deferred Income Taxes	28,637	90,132
Uncollectible Expense	12,135	1,755
Pension, SERP and PBOP Expense, Net	6,594	6,421
Pension Contributions	(41,150)	(1,875)
Regulatory Overrecoveries, Net	(1,136)	71,413
Amortization of Regulatory Assets, Net	97,437	58,799
Other	(55,827)	(23,911)
Changes in Current Assets and Liabilities:
Receivables and Unbilled Revenues, Net	(126,513)	(70,936)
Taxes Receivable/Accrued, Net	72,702	69,335
Accounts Payable	(15,303)	(1,649)
Other Current Assets and Liabilities, Net	(33,965)	(36,340)
Net Cash Flows Provided by Operating Activities	451,120	625,064
Investing Activities:
Investments in Property, Plant and Equipment	(660,673)	(621,882)
Other Investing Activities	167	185
Net Cash Flows Used in Investing Activities	(660,506)	(621,697)
Financing Activities:
Cash Dividends on Common Stock	(60,000)	(205,200)
Cash Dividends on Preferred Stock	(4,169)	(4,169)
Capital Contributions from Eversource Parent	100,000	0
(Decrease)/Increase in Notes Payable to Eversource Parent	(23,600)	(80,100)
Premium on Issuance of Long-Term Debt	0	21,937
Issuance of Long-Term Debt	500,000	525,000
Retirement of Long-Term Debt	(300,000)	(250,000)
Other Financing Activities	(7,584)	(6,322)
Net Cash Flows (Used in)/Provided by Financing Activities	204,647	1,146
Net Increase in Cash, Cash Equivalents and Restricted Cash	(4,739)	4,513
Cash, Cash Equivalents and Restricted Cash - Beginning of Period	9,619	8,403
Cash, Cash Equivalents and Restricted Cash - End of Period	4,880	12,916
NSTAR Electric Company
Operating Activities:
Net Income	305,666	304,130
Adjustments to Reconcile Net Income to Net Cash Flows Provided by Operating Activities:
Depreciation	205,210	204,442
Deferred Income Taxes	16,203	100,335
Uncollectible Expense	20,433	14,937
Pension, SERP and PBOP Income, Net	(15,855)	(7,586)
Pension and PBOP Contributions	(60,454)	(83,040)
Regulatory Overrecoveries, Net	180,797	71,647
Amortization of Regulatory Assets, Net	35,467	17,243
Other	(49,178)	(47,972)
Changes in Current Assets and Liabilities:
Receivables and Unbilled Revenues, Net	(155,669)	(113,960)
Fuel, Materials, Supplies and Inventory	29,156	11,483
Taxes Receivable/Accrued, Net	42,148	71,705
Accounts Payable	(13,178)	(42,519)
Other Current Assets and Liabilities, Net	33,543	4,982
Net Cash Flows Provided by Operating Activities	574,289	505,827
Investing Activities:
Investments in Property, Plant and Equipment	(538,973)	(467,275)
Other Investing Activities	46	(3,565)
Net Cash Flows Used in Investing Activities	(538,927)	(470,840)
Financing Activities:
Cash Dividends on Common Stock	(161,000)	(214,500)
Cash Dividends on Preferred Stock	(1,470)	(1,470)
Capital Contributions from Eversource Parent	105,500	2,300
Increase in Notes Payable to Eversource Parent	16,000	0
Increase/(Decrease) in Notes Payable	6,500	(80,600)
Issuance of Long-Term Debt	0	350,000
Other Financing Activities	(239)	(3,410)
Net Cash Flows (Used in)/Provided by Financing Activities	(34,709)	52,320
Net Increase in Cash, Cash Equivalents and Restricted Cash	653	87,307
Cash, Cash Equivalents and Restricted Cash - Beginning of Period	14,708	15,506
Cash, Cash Equivalents and Restricted Cash - End of Period	15,361	102,813
Public Service Company of New Hampshire
Operating Activities:
Net Income	101,537	99,626
Adjustments to Reconcile Net Income to Net Cash Flows Provided by Operating Activities:
Depreciation	69,524	95,266
Deferred Income Taxes	11,473	43,217
Uncollectible Expense	4,900	5,200
Regulatory Overrecoveries, Net	(19,764)	8,910
Amortization of Regulatory Assets/(Liabilities), Net	41,318	(10,658)
Other	(3,104)	(7,866)
Changes in Current Assets and Liabilities:
Receivables and Unbilled Revenues, Net	(32,819)	(30,276)
Fuel, Materials, Supplies and Inventory	14,555	4,263
Taxes Receivable/Accrued, Net	10,929	10,749
Accounts Payable	(3,828)	18,394
Other Current Assets and Liabilities, Net	27,844	32,300
Net Cash Flows Provided by Operating Activities	217,665	263,925
Investing Activities:
Investments in Property, Plant and Equipment	(236,206)	(215,470)
Proceeds from the Sale of Generation Assets	193,924	0
Proceeds from the Sale of Property	4,782	0
Other Investing Activities	367	113
Net Cash Flows Used in Investing Activities	(37,133)	(215,357)
Financing Activities:
Cash Dividends on Common Stock	(150,000)	(23,900)
Capital Contributions from Eversource Parent	225,000	0
Return of Capital	(530,000)	0
(Decrease)/Increase in Notes Payable to Eversource Parent	(216,300)	41,400
Issuance of Rate Reduction Bonds	635,663	0
Retirement of Long-Term Debt	(110,000)	(70,000)
Other Financing Activities	1,080	(187)
Net Cash Flows (Used in)/Provided by Financing Activities	(144,557)	(52,687)
Net Increase in Cash, Cash Equivalents and Restricted Cash	35,975	(4,119)
Cash, Cash Equivalents and Restricted Cash - Beginning of Period	2,191	5,953
Cash, Cash Equivalents and Restricted Cash - End of Period	$ 38,166	$ 1,834