NSTAR ELECTRIC COMPANY AND SUBSIDIARY CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating Revenues	$ 3,471,310	$ 2,825,840
Operating Expenses:
Purchased Power, Fuel and Transmission	1,389,696	998,491
Operations and Maintenance	472,433	465,542
Depreciation	289,330	270,704
Energy Efficiency Programs	199,484	188,063
Taxes Other Than Income Taxes	220,364	209,459
Total Operating Expenses	2,808,255	2,240,272
Operating Income/(Loss)	663,055	585,568
Interest Expense	153,245	137,766
Other Income, Net	71,561	34,201
Income Before Income Tax Expense	581,371	482,003
Income Tax Expense	136,045	113,980
Net Income	445,326	368,023
NSTAR Electric Company
Operating Revenues	863,176	737,043
Operating Expenses:
Purchased Power, Fuel and Transmission	313,748	226,478
Operations and Maintenance	164,862	143,219
Depreciation	89,033	82,793
Amortization of Regulatory Assets, Net	29,345	18,418
Energy Efficiency Programs	80,232	75,099
Taxes Other Than Income Taxes	59,774	54,652
Total Operating Expenses	736,994	600,659
Operating Income/(Loss)	126,182	136,384
Interest Expense	38,222	32,306
Other Income, Net	29,231	16,812
Income Before Income Tax Expense	117,191	120,890
Income Tax Expense	24,452	26,966
Net Income	$ 92,739	$ 93,924