THE CONNECTICUT LIGHT AND POWER COMPANY STATEMENTS OF INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating Revenues	$ 12,289,336	$ 9,863,085	$ 8,904,430
Operating Expenses:
Purchased Power and Transmission	5,014,074	3,372,344	2,987,840
Operations and Maintenance	1,865,328	1,739,685	1,480,252
Depreciation	1,194,246	1,103,008	981,380
Energy Efficiency Programs	658,051	592,775	535,760
Taxes Other Than Income Taxes	910,591	829,987	752,785
Total Operating Expenses	10,091,182	7,869,764	6,915,696
Operating Income	2,198,154	1,993,321	1,988,734
Interest Expense	678,274	582,334	538,452
Other Income, Net	346,088	161,282	108,590
Income Before Income Tax Expense	1,865,968	1,572,269	1,558,872
Income Tax Expense	453,574	344,223	346,186
Net Income	1,412,394	1,228,046	1,212,686
The Connecticut Light and Power Company
Operating Revenues	4,817,744	3,637,412	3,547,527
Operating Expenses:
Purchased Power and Transmission	2,110,253	1,392,969	1,369,196
Operations and Maintenance	707,162	644,175	572,897
Depreciation	355,511	338,915	320,709
Amortization of Regulatory Assets, Net	335,636	99,009	58,412
Energy Efficiency Programs	134,222	129,564	141,453
Taxes Other Than Income Taxes	384,746	363,862	344,451
Total Operating Expenses	4,027,530	2,968,494	2,807,118
Operating Income	790,214	668,918	740,409
Interest Expense	169,348	166,107	153,547
Other Income, Net	83,252	30,187	20,774
Income Before Income Tax Expense	704,118	532,998	607,636
Income Tax Expense	171,198	131,273	149,702
Net Income	$ 532,920	$ 401,725	$ 457,934