NSTAR ELECTRIC COMPANY AND SUBSIDIARY CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Operating Revenues	$ 2,791,482	$ 3,215,645	$ 9,216,467	$ 9,259,596
Operating Expenses:
Purchased Power and Transmission	1,168,599	1,388,041	4,232,912	3,718,278
Operations and Maintenance	500,711	454,289	1,382,563	1,378,897
Depreciation	329,528	302,143	962,477	885,711
Energy Efficiency Programs	162,425	162,545	531,199	498,708
Taxes Other Than Income Taxes	243,645	240,047	704,989	683,441
Total Operating Expenses	2,260,929	2,658,352	7,375,680	7,583,679
Operating Income/(Loss)	530,553	557,293	1,840,787	1,675,917
Interest Expense	222,283	178,174	624,140	491,509
Other Income, Net	79,123	89,831	262,980	255,253
Income Before Income Tax Expense	387,393	468,950	1,078,627	1,439,661
Income Tax Expense	45,850	117,661	226,743	349,305
Net Income	341,543	351,289
NSTAR Electric Company
Operating Revenues	953,531	1,105,452	2,728,782	2,752,278
Operating Expenses:
Purchased Power and Transmission	308,999	421,217	936,484	971,754
Operations and Maintenance	174,091	161,770	487,026	475,727
Depreciation	94,103	91,194	277,396	269,928
Amortization of Regulatory (Liabilities)/Assets, Net	(6,462)	15,940	14,923	65,307
Energy Efficiency Programs	95,351	105,708	252,255	255,230
Taxes Other Than Income Taxes	68,449	65,085	188,191	185,748
Total Operating Expenses	734,531	860,914	2,156,275	2,223,694
Operating Income/(Loss)	219,000	244,538	572,507	528,584
Interest Expense	48,178	41,829	139,804	119,035
Other Income, Net	39,908	37,895	120,690	101,385
Income Before Income Tax Expense	210,730	240,604	553,393	510,934
Income Tax Expense	46,019	52,520	120,126	110,674
Net Income	$ 164,711	$ 188,084	$ 433,267	$ 400,260