PUBLIC SERVICE COMPANY OF NEW HAMPSHIRE AND SUBSIDIARIES CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Adjustments to Reconcile Net Income/(Loss) to Net Cash Flows Provided by Operating Activities:
Depreciation	$ 1,568,578	$ 1,433,503	$ 1,305,840
Deferred Income Taxes	27,313	435,889	85,405
Uncollectible Expense	101,141	74,069	72,468
Pension, SERP and PBOP Income, Net	(80,628)	(73,564)	(90,706)
Regulatory (Under)/Over Recoveries, Net	13,062	(919,359)	(151,548)
Cost of Removal Expenditures	(275,906)	(294,984)	(315,699)
Other	(4,826)	(108,365)	(59,886)
Changes in Current Assets and Liabilities:
Receivables and Unbilled Revenues, Net	(364,156)	(432,620)	(124,393)
Taxes Receivable/Accrued, Net	143,331	55,502	36,357
Accounts Payable	84,192	47,082	(287,637)
Other Current Assets and Liabilities, Net	81,671	19,529	(66,202)
Net Cash Flows Provided by Operating Activities	4,113,572	2,159,737	1,646,161
Investing Activities:
Investments in Property, Plant and Equipment	(4,158,669)	(4,480,529)	(4,336,849)
Other Investing Activities	30,820	(13,365)	(2,897)
Net Cash Flows Used in Investing Activities	(4,306,163)	(4,535,664)	(4,870,732)
Financing Activities:
Cash Dividends on Common Shares	(1,093,074)	(1,001,488)	(918,995)
Increase (Decrease) in Notes Payable To Eversource Parent	(517,348)	(94,959)	695,552
Issuance of Long-Term Debt	2,942,353	4,501,623	5,198,345
Retirement of Long-Term Debt	(1,400,331)	(1,949,995)	(2,008,470)
Other Financing Activities	(34,732)	(57,082)	(46,466)
Net Cash Flows Provided by Financing Activities	311,528	2,336,817	2,869,237
Net Increase/(Decrease) in Cash and Restricted Cash	118,937	(39,110)	(355,334)
Cash and Restricted Cash - Beginning of Year	127,308	166,418	521,752
Cash and Restricted Cash - End of Year	246,245	127,308	166,418
PSNH
Operating Activities:
Net Income/(Loss)	269,354	214,883	195,659
Adjustments to Reconcile Net Income/(Loss) to Net Cash Flows Provided by Operating Activities:
Depreciation	168,015	154,072	140,417
Deferred Income Taxes	11,291	77,082	118,970
Uncollectible Expense	11,973	4,688	3,989
Pension, SERP and PBOP Income, Net	(8,915)	(8,759)	(10,484)
Regulatory (Under)/Over Recoveries, Net	10,952	(227,943)	(273,472)
Amortization of Regulatory Assets/(Liabilities), Net	68,168	136,113	(16,343)
Cost of Removal Expenditures	(27,030)	(42,507)	(39,976)
Other	(1,383)	53	10,391
Changes in Current Assets and Liabilities:
Receivables and Unbilled Revenues, Net	(42,787)	(29,875)	(5,434)
Taxes Receivable/Accrued, Net	(1,000)	30,443	916
Accounts Payable	(2,043)	(7,204)	(55,957)
Other Current Assets and Liabilities, Net	26,703	20,255	(36,637)
Net Cash Flows Provided by Operating Activities	483,298	321,301	32,039
Investing Activities:
Investments in Property, Plant and Equipment	(537,771)	(608,812)	(605,109)
Other Investing Activities	0	0	296
Net Cash Flows Used in Investing Activities	(537,771)	(608,812)	(604,813)
Financing Activities:
Cash Dividends on Common Shares	(175,000)	(62,000)	(112,000)
Increase (Decrease) in Notes Payable To Eversource Parent	(81,800)	(101,900)	59,700
Issuance of Long-Term Debt	300,000	300,000	600,000
Retirement of Long-Term Debt	0	0	(325,000)
Repayment of Rate Reduction Bonds	(43,210)	(43,210)	(43,210)
Capital Contributions from Eversource Parent	75,000	200,000	400,000
Other Financing Activities	(2,574)	(3,140)	(8,524)
Net Cash Flows Provided by Financing Activities	72,416	289,750	570,966
Net Increase/(Decrease) in Cash and Restricted Cash	17,943	2,239	(1,808)
Cash and Restricted Cash - Beginning of Year	37,243	35,004	36,812
Cash and Restricted Cash - End of Year	$ 55,186	$ 37,243	$ 35,004