CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Operating Activities:
Net Income	$ 310,558	$ 271,426
Adjustments to Reconcile Net Income to Net Cash Flows Provided by Operating Activities:
Depreciation	214,948	204,266
Deferred Income Taxes	18,085	88,481
Uncollectible Expense	18,565	19,613
Pension, SERP and PBOP Expense/(Income), Net	8,428	(1,965)
Pension and PBOP Contributions	(4,700)	(171,244)
Regulatory (Under)/Over Recoveries, Net	(19,232)	70,457
Amortization	70,961	45,194
Other	(37,310)	(74,582)
Changes in Current Assets and Liabilities:
Receivables and Unbilled Revenues, Net	(155,823)	(156,888)
Fuel, Materials, Supplies and Inventory	(39,063)	(26,956)
Taxes Receivable/Accrued, Net	126,381	(5,061)
Accounts Payable	(13,556)	(61,571)
Other Current Assets and Liabilities, Net	(70,242)	(23,456)
Net Cash Flows Provided by Operating Activities	428,000	177,714
Investing Activities:
Investments in Property, Plant and Equipment	(674,694)	(607,334)
Proceeds from Sales of Marketable Securities	234,497	145,438
Purchases of Marketable Securities	(237,794)	(143,264)
Proceeds from the Sale of Generation Assets	0	130,641
Investments in Unconsolidated Affiliates	(249,138)	(7,340)
Other Investing Activities	4,893	2,140
Net Cash Flows (Used in)/Provided by Investing Activities	(922,236)	(479,719)
Financing Activities:
Cash Dividends on Common Stock	(169,757)	(160,027)
Cash Dividends on Preferred Stock	(1,880)	(1,880)
Issuance of Treasury Shares	26,109	0
Increase in Notes Payable	829,430	(240,005)
Repayment of Rate Reduction Bonds	(30,727)	0
Issuance of Long-Term Debt	0	1,150,000
Retirement of Long-Term Debt	(250,215)	(150,218)
Other Financing Activities	(9,676)	(19,140)
Net Cash Flows Provided by Financing Activities	393,284	578,730
Net (Decrease)/Increase in Cash and Restricted Cash	(100,952)	276,725
Cash and Restricted Cash - Beginning of Period	209,324	85,890
Cash and Restricted Cash - End of Period	108,372	362,615
The Connecticut Light and Power Company
Operating Activities:
Net Income	110,471	98,568
Adjustments to Reconcile Net Income to Net Cash Flows Provided by Operating Activities:
Depreciation	73,289	67,498
Deferred Income Taxes	15,188	29,109
Uncollectible Expense	4,116	3,912
Pension, SERP and PBOP Expense/(Income), Net	4,063	3,158
Pension Contributions	0	(82,276)
Regulatory (Under)/Over Recoveries, Net	(54,671)	(8,878)
Amortization of Regulatory Assets, Net	35,671	28,006
Other	(5,848)	(18,940)
Changes in Current Assets and Liabilities:
Receivables and Unbilled Revenues, Net	(60,506)	(46,330)
Taxes Receivable/Accrued, Net	41,399	42,460
Accounts Payable	75,373	(28,408)
Other Current Assets and Liabilities, Net	(40,274)	(23,160)
Net Cash Flows Provided by Operating Activities	198,271	64,719
Investing Activities:
Investments in Property, Plant and Equipment	(189,423)	(202,126)
Other Investing Activities	59	56
Net Cash Flows (Used in)/Provided by Investing Activities	(189,364)	(202,070)
Financing Activities:
Cash Dividends on Common Stock	(99,000)	(60,000)
Cash Dividends on Preferred Stock	(1,390)	(1,390)
Capital Contributions from Eversource Parent	0	9,000
Increase in Notes Payable to Eversource Parent	261,600	(69,500)
Issuance of Long-Term Debt	0	500,000
Retirement of Long-Term Debt	(250,000)	0
Other Financing Activities	(326)	(6,539)
Net Cash Flows Provided by Financing Activities	(89,116)	371,571
Net (Decrease)/Increase in Cash and Restricted Cash	(80,209)	234,220
Cash and Restricted Cash - Beginning of Period	91,613	9,619
Cash and Restricted Cash - End of Period	11,404	243,839
NSTAR Electric Company
Operating Activities:
Net Income	94,014	77,149
Adjustments to Reconcile Net Income to Net Cash Flows Provided by Operating Activities:
Depreciation	72,584	70,542
Deferred Income Taxes	3,722	22,542
Uncollectible Expense	5,953	7,526
Pension, SERP and PBOP Income, Net	(4,279)	(9,295)
Pension and PBOP Contributions	(1,503)	0
Regulatory (Under)/Over Recoveries, Net	4,329	17,618
Amortization of Regulatory Assets, Net	22,584	6,364
Other	(8,043)	(9,730)
Changes in Current Assets and Liabilities:
Receivables and Unbilled Revenues, Net	(29,220)	(52,949)
Fuel, Materials, Supplies and Inventory	(46,020)	(37,427)
Taxes Receivable/Accrued, Net	29,483	(22,698)
Accounts Payable	(18,109)	43,170
Other Current Assets and Liabilities, Net	11,466	23,703
Net Cash Flows Provided by Operating Activities	136,961	136,515
Investing Activities:
Investments in Property, Plant and Equipment	(208,540)	(192,036)
Other Investing Activities	17	(654)
Net Cash Flows (Used in)/Provided by Investing Activities	(208,523)	(192,690)
Financing Activities:
Cash Dividends on Common Stock	(60,600)	(161,000)
Cash Dividends on Preferred Stock	(490)	(490)
Capital Contributions from Eversource Parent	20,000	92,500
Increase in Notes Payable to Eversource Parent	22,300	0
Increase in Notes Payable	89,930	133,000
Other Financing Activities	668	(78)
Net Cash Flows Provided by Financing Activities	71,808	63,932
Net (Decrease)/Increase in Cash and Restricted Cash	246	7,757
Cash and Restricted Cash - Beginning of Period	14,659	14,708
Cash and Restricted Cash - End of Period	14,905	22,465
Public Service Company of New Hampshire
Operating Activities:
Net Income	32,781	35,093
Adjustments to Reconcile Net Income to Net Cash Flows Provided by Operating Activities:
Depreciation	22,919	23,493
Deferred Income Taxes	6,541	43,021
Uncollectible Expense	1,700	1,700
Regulatory (Under)/Over Recoveries, Net	(26,986)	129
Amortization	13,667	5,035
Other	104	(15,212)
Changes in Current Assets and Liabilities:
Receivables and Unbilled Revenues, Net	1,103	(80)
Fuel, Materials, Supplies and Inventory	144	4,854
Taxes Receivable/Accrued, Net	17,572	(5,867)
Accounts Payable	58,327	(18,760)
Other Current Assets and Liabilities, Net	6,472	24,543
Net Cash Flows Provided by Operating Activities	132,644	96,249
Investing Activities:
Investments in Property, Plant and Equipment	(110,926)	(72,287)
Proceeds from the Sale of Generation Assets	0	130,641
Other Investing Activities	102	97
Net Cash Flows (Used in)/Provided by Investing Activities	(110,824)	58,451
Financing Activities:
Cash Dividends on Common Stock	(19,000)	(150,000)
Increase in Notes Payable to Eversource Parent	4,000	8,400
Repayment of Rate Reduction Bonds	(30,727)	0
Other Financing Activities	(20)	(38)
Net Cash Flows Provided by Financing Activities	(45,747)	(141,638)
Net (Decrease)/Increase in Cash and Restricted Cash	(23,927)	13,062
Cash and Restricted Cash - Beginning of Period	52,723	2,191
Cash and Restricted Cash - End of Period	$ 28,796	$ 15,253