NSTAR ELECTRIC COMPANY AND SUBSIDIARY CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Operating Revenues	$ 2,533,522	$ 2,629,342	$ 5,866,097	$ 6,424,985
Operating Expenses:
Purchased Power and Transmission	841,431	1,161,067	2,077,387	3,064,313
Operations and Maintenance	464,424	427,290	927,388	881,852
Depreciation	354,591	319,995	694,505	632,949
Energy Efficiency Programs	145,288	145,823	358,767	368,774
Taxes Other Than Income Taxes	239,427	232,927	476,042	461,344
Total Operating Expenses	1,931,024	2,068,680	4,417,627	5,114,751
Operating Income	602,498	560,662	1,448,470	1,310,234
Interest Expense	271,316	207,313	522,064	401,858
Other Income, Net	115,285	94,875	206,315	183,857
Income Before Income Tax Expense	446,467	47,224	1,132,721	691,233
Income Tax Expense	109,246	29,922	271,772	180,893
NSTAR Electric Company
Operating Revenues	845,068	818,968	1,792,683	1,775,251
Operating Expenses:
Purchased Power and Transmission	209,348	266,560	482,653	627,485
Operations and Maintenance	163,580	146,852	337,252	312,935
Depreciation	100,286	92,863	197,208	183,292
Amortization of Regulatory Liabilities, Net	21,236	(1,400)	69,627	21,385
Energy Efficiency Programs	66,662	70,687	148,962	156,904
Taxes Other Than Income Taxes	71,049	66,232	131,061	119,743
Total Operating Expenses	632,161	641,794	1,366,763	1,421,744
Operating Income	212,907	177,174	425,920	353,507
Interest Expense	54,689	46,761	104,113	91,626
Other Income, Net	48,421	40,909	95,536	80,782
Income Before Income Tax Expense	206,639	171,322	417,343	342,663
Income Tax Expense	49,036	36,579	99,763	74,107
Net Income	$ 157,603	$ 134,743	$ 317,580	$ 268,556