NSTAR ELECTRIC COMPANY AND SUBSIDIARY CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Adjustments to Reconcile Net Income to Net Cash Flows Provided by/(Used In) Operating Activities:
Depreciation	$ 694,505	$ 632,949
Deferred Income Taxes	297,901	155,035
Uncollectible Expense	26,279	24,171
Pension, SERP and PBOP Income, Net	(35,719)	(46,600)
Regulatory (Under)/Over Recoveries, Net	(383,152)	(112,050)
Cost of Removal Expenditures	(113,024)	(183,552)
Other	(99,544)	(13,423)
Changes in Current Assets and Liabilities:
Receivables and Unbilled Revenues, Net	(95,839)	137,819
Taxes Receivable/Accrued, Net	41,275	49,201
Accounts Payable	(82,355)	(489,132)
Other Current Assets and Liabilities, Net	(30,288)	(121,600)
Net Cash Flows Provided by/(Used In) Operating Activities	962,026	647,277
Investing Activities:
Investments in Property, Plant and Equipment	(2,220,917)	(2,039,512)
Other Investing Activities	11,355	11,055
Net Cash Flows Used in Investing Activities	(2,930,981)	(2,397,675)
Financing Activities:
Cash Dividends on Common Stock	(490,910)	(458,959)
Cash Dividends on Preferred Stock	(3,759)	(3,759)
Issuance of Long-Term Debt	3,850,000	3,361,000
Other Financing Activities	(48,493)	(27,839)
Net Cash Flows Provided by Financing Activities	1,935,170	1,406,638
Net (Decrease)/Increase in Cash and Restricted Cash	(33,785)	(343,760)
Cash and Restricted Cash - Beginning of Period	166,418	521,752
Cash and Restricted Cash - End of Period	132,633	177,992
NSTAR Electric
Operating Activities:
Net Income	317,580	268,556
Adjustments to Reconcile Net Income to Net Cash Flows Provided by/(Used In) Operating Activities:
Depreciation	197,208	183,292
Deferred Income Taxes	54,640	66,926
Uncollectible Expense	12,007	7,759
Pension, SERP and PBOP Income, Net	(18,003)	(20,460)
Regulatory (Under)/Over Recoveries, Net	(157,521)	(126,487)
Amortization of Regulatory Assets/(Liabilities), Net	69,627	21,385
Cost of Removal Expenditures	(22,832)	(33,750)
Other	(27,840)	(12,211)
Changes in Current Assets and Liabilities:
Receivables and Unbilled Revenues, Net	(41,197)	(9,745)
Taxes Receivable/Accrued, Net	(5,328)	28,662
Accounts Payable	(77,371)	(68,720)
Other Current Assets and Liabilities, Net	40,403	(71,745)
Net Cash Flows Provided by/(Used In) Operating Activities	341,373	233,462
Investing Activities:
Investments in Property, Plant and Equipment	(729,758)	(677,596)
Other Investing Activities	0	48
Net Cash Flows Used in Investing Activities	(729,758)	(677,548)
Financing Activities:
Cash Dividends on Common Stock	(393,900)	(327,400)
Cash Dividends on Preferred Stock	(980)	(980)
Issuance of Long-Term Debt	600,000	0
Capital Contributions from Eversource Parent	300,000	112,300
(Decrease)/Increase in Notes Payable	(129,347)	324,000
Other Financing Activities	(6,081)	8
Net Cash Flows Provided by Financing Activities	369,692	107,928
Net (Decrease)/Increase in Cash and Restricted Cash	(18,693)	(336,158)
Cash and Restricted Cash - Beginning of Period	22,785	345,293
Cash and Restricted Cash - End of Period	$ 4,092	$ 9,135