THE CONNECTICUT LIGHT AND POWER COMPANY STATEMENTS OF INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating Revenues	$ 9,863,085	$ 8,904,430	$ 8,526,470
Operating Expenses:
Purchased Power and Transmission	3,372,344	2,987,840	3,040,160
Operations and Maintenance	1,739,685	1,480,252	1,363,113
Depreciation	1,103,008	981,380	885,278
Amortization of Regulatory Assets, Net	231,965	177,679	195,380
Energy Efficiency Programs	592,775	535,760	501,369
Taxes Other Than Income Taxes	829,987	752,785	711,035
Total Operating Expenses	7,869,764	6,915,696	6,935,979
Operating Income	1,993,321	1,988,734	1,590,491
Interest Expense	582,334	538,452	533,197
Other Income, Net	161,282	108,590	132,777
Income Before Income Tax Expense	1,572,269	1,558,872	1,190,071
Income Tax Expense	344,223	346,186	273,499
Net Income	1,228,046	1,212,686	916,572
The Connecticut Light and Power Company
Operating Revenues	3,637,412	3,547,527	3,232,551
Operating Expenses:
Purchased Power and Transmission	1,392,969	1,369,196	1,188,202
Operations and Maintenance	644,175	572,897	549,167
Depreciation	338,915	320,709	301,188
Amortization of Regulatory Assets, Net	99,009	58,412	51,621
Energy Efficiency Programs	129,564	141,453	118,235
Taxes Other Than Income Taxes	363,862	344,451	342,489
Total Operating Expenses	2,968,494	2,807,118	2,550,902
Operating Income	668,918	740,409	681,649
Interest Expense	166,107	153,547	151,357
Other Income, Net	30,187	20,774	17,531
Income Before Income Tax Expense	532,998	607,636	547,823
Income Tax Expense	131,273	149,702	136,971
Net Income	$ 401,725	$ 457,934	$ 410,852