THE CONNECTICUT LIGHT AND POWER COMPANY STATEMENTS OF INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Operating Revenues	$ 13,547,244	$ 11,900,809	$ 11,910,705
Operating Expenses:
Purchased Power and Transmission	4,209,172	3,736,078	5,168,241
Operations and Maintenance	2,073,778	2,012,926	1,895,703
Depreciation	1,568,578	1,433,503	1,305,840
Energy Efficiency Programs	778,348	671,828	691,344
Taxes Other Than Income Taxes	1,092,870	997,901	940,359
Total Operating Expenses	10,558,655	9,492,100	9,511,370
Operating Income	2,988,589	2,408,709	2,399,335
Interest Expense	1,243,266	1,111,336	855,441
Other Income, Net	378,854	410,482	348,069
Income/(Loss) Before Income Tax Expense	1,840,177	1,243,836	(275,037)
Income Tax Expense	140,286	424,664	159,684
The Connecticut Light and Power Company
Operating Revenues	5,240,994	4,614,977	4,578,804
Operating Expenses:
Purchased Power and Transmission	1,815,820	1,836,911	2,612,949
Operations and Maintenance	848,979	815,345	733,287
Depreciation	432,763	406,540	376,904
Amortization of Regulatory Assets/(Liabilities), Net	649,691	104,446	(500,367)
Energy Efficiency Programs	170,209	171,690	133,453
Taxes Other Than Income Taxes	452,880	419,575	401,135
Total Operating Expenses	4,370,342	3,754,507	3,757,361
Operating Income	870,652	860,470	821,443
Interest Expense	211,856	231,004	193,361
Other Income, Net	59,736	77,591	61,560
Income/(Loss) Before Income Tax Expense	718,532	707,057	689,642
Income Tax Expense	167,203	194,459	170,909
Net Income/(Loss)	$ 551,329	$ 512,598	$ 518,733