NSTAR ELECTRIC COMPANY AND SUBSIDIARY CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Operating Revenues	$ 2,629,342	$ 2,572,641	$ 6,424,985	$ 6,043,951
Operating Expenses:
Purchased Power and Transmission	1,161,067	940,541	3,064,313	2,330,237
Operations and Maintenance	427,290	452,174	881,852	924,608
Depreciation	319,995	294,238	632,949	583,568
Energy Efficiency Programs	145,823	136,679	368,774	336,163
Taxes Other Than Income Taxes	232,927	223,031	461,344	443,395
Total Operating Expenses	2,068,680	2,117,072	5,114,751	4,925,328
Operating Income	560,662	455,569	1,310,234	1,118,623
Interest Expense	207,313	160,090	401,858	313,334
Other Income, Net	94,875	93,861	183,857	165,422
Income Before Income Tax Expense	47,224	389,340	691,233	970,711
Income Tax Expense	29,922	95,598	180,893	231,643
Net Income	17,302	293,742	510,340	739,068
NSTAR Electric Company
Operating Revenues	818,968	783,650	1,775,251	1,646,825
Operating Expenses:
Purchased Power and Transmission	266,560	236,789	627,485	550,537
Operations and Maintenance	146,852	149,094	312,935	313,956
Depreciation	92,863	89,701	183,292	178,734
Amortization of Regulatory (Liabilities)/Assets, Net	(1,400)	20,022	21,385	49,367
Energy Efficiency Programs	70,687	69,290	156,904	149,522
Taxes Other Than Income Taxes	66,232	60,891	119,743	120,664
Total Operating Expenses	641,794	625,787	1,421,744	1,362,780
Operating Income	177,174	157,863	353,507	284,045
Interest Expense	46,761	38,984	91,626	77,206
Other Income, Net	40,909	34,259	80,782	63,490
Income Before Income Tax Expense	171,322	153,138	342,663	270,329
Income Tax Expense	36,579	33,701	74,107	58,152
Net Income	$ 134,743	$ 119,437	$ 268,556	$ 212,177