NSTAR ELECTRIC COMPANY AND SUBSIDIARY CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current Assets:
Cash	$ 42,182	$ 47,597
Cash Equivalents	0	327,006
Receivables, Net (net of allowance for uncollectible accounts)	1,332,314	1,517,138
Unbilled Revenues	181,100	238,968
Materials, Supplies and REC Inventory	405,800	374,395
Regulatory Assets	1,382,150	1,335,491
Prepayments and Other Current Assets	378,007	382,603
Total Current Assets	3,721,553	4,223,198
Property, Plant and Equipment, Net	37,578,203	36,112,820
Deferred Debits and Other Assets:
Regulatory Assets	4,390,816	4,242,794
Prepaid Pension and PBOP	1,183,689	1,045,524
Other Long-Term Assets	588,174	541,344
Total Deferred Debits and Other Assets	13,239,989	12,894,882
Total Assets	54,539,745	53,230,900
Current Liabilities:
Notes Payable	555,535	1,442,200
Long-Term Debt – Current Portion	2,062,464	1,320,129
Accounts Payable	1,549,972	2,113,905
Regulatory Liabilities	653,808	890,786
Other Current Liabilities	929,587	989,053
Total Current Liabilities	5,794,576	6,799,283
Deferred Credits and Other Liabilities:
Accumulated Deferred Income Taxes	5,275,036	5,067,902
Regulatory Liabilities	3,967,426	3,930,305
Other Long-Term Liabilities	907,226	888,081
Total Deferred Credits and Other Liabilities	10,874,634	10,668,403
Long-Term Debt	21,771,980	19,723,994
Preferred Stock Not Subject to Mandatory Redemption	155,570	155,570
Common Shareholders' Equity:
Capital Surplus, Paid In	8,428,786	8,401,731
Retained Earnings	5,562,889	5,527,153
Accumulated Other Comprehensive Income	(32,103)	(39,421)
Common Shareholders' Equity	15,554,098	15,473,158
Commitments and Contingencies
Total Liabilities and Capitalization	54,539,745	53,230,900
NSTAR Electric Company
Current Assets:
Cash	6,518	738
Cash Equivalents	0	327,006
Unbilled Revenues	47,173	39,680
Materials, Supplies and REC Inventory	120,750	138,352
Regulatory Assets	569,697	492,759
Prepayments and Other Current Assets	28,712	71,276
Total Current Assets	1,284,860	1,558,378
Property, Plant and Equipment, Net	12,109,368	11,626,968
Deferred Debits and Other Assets:
Regulatory Assets	1,230,486	1,221,619
Prepaid Pension and PBOP	626,904	576,809
Other Long-Term Assets	119,070	111,846
Total Deferred Debits and Other Assets	1,976,460	1,910,274
Total Assets	15,370,688	15,095,620
Current Liabilities:
Notes Payable	324,000	0
Long-Term Debt – Current Portion	80,000	80,000
Obligations to Third Party Suppliers	132,083	142,628
Renewable Portfolio Standards Compliance Obligations	67,391	120,239
Regulatory Liabilities	321,153	373,221
Other Current Liabilities	59,199	83,925
Total Current Liabilities	1,570,823	1,468,596
Deferred Credits and Other Liabilities:
Accumulated Deferred Income Taxes	1,794,718	1,700,875
Regulatory Liabilities	1,562,581	1,548,081
Other Long-Term Liabilities	299,561	289,313
Total Deferred Credits and Other Liabilities	3,656,860	3,538,269
Long-Term Debt	4,346,902	4,345,085
Preferred Stock Not Subject to Mandatory Redemption	43,000	43,000
Common Shareholders' Equity:
Common Shares	0	0
Capital Surplus, Paid In	2,891,242	2,778,942
Retained Earnings	2,861,620	2,921,444
Accumulated Other Comprehensive Income	241	284
Common Shareholders' Equity	5,753,103	5,700,670
Commitments and Contingencies
Total Liabilities and Capitalization	15,370,688	15,095,620
NSTAR Electric Company | Nonrelated Party
Current Assets:
Receivables, Net (net of allowance for uncollectible accounts)	450,176	453,371
Current Liabilities:
Accounts Payable	471,416	559,676
NSTAR Electric Company | Related Party
Current Assets:
Receivables, Net (net of allowance for uncollectible accounts)	61,834	35,196
Current Liabilities:
Accounts Payable	$ 115,581	$ 108,907