NSTAR ELECTRIC COMPANY AND SUBSIDIARY CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current Assets:
Cash	$ 66,773	$ 106,599
Receivables, Net (net of allowance for uncollectible accounts of $181,319 and $157,447 as of December 31, 2021 and 2020, respectively)	1,226,069	1,195,925
Unbilled Revenues	210,879	233,025
Fuel, Materials, Supplies and REC Inventory	267,547	265,599
Regulatory Assets	1,129,093	1,076,556
Prepayments and Other Current Assets	369,759	252,439
Total Current Assets	3,270,120	3,130,143
Property, Plant and Equipment, Net	33,377,650	30,882,523
Deferred Debits and Other Assets:
Regulatory Assets	4,586,709	5,493,330
Other Long-Term Assets	883,756	583,854
Total Deferred Debits and Other Assets	11,844,374	12,086,932
Total Assets	48,492,144	46,099,598
Current Liabilities:
Notes Payable	1,505,450	1,249,325
Long-Term Debt – Current Portion	1,193,097	1,053,186
Accounts Payable	1,672,230	1,370,647
Regulatory Liabilities	602,432	389,430
Other Current Liabilities	830,620	809,214
Total Current Liabilities	5,847,039	4,915,012
Deferred Credits and Other Liabilities:
Accumulated Deferred Income Taxes	4,597,120	4,095,339
Regulatory Liabilities	3,866,251	3,850,781
Accrued Pension, SERP and PBOP	242,463	1,653,788
Other Long-Term Liabilities	971,080	948,506
Total Deferred Credits and Other Liabilities	10,412,412	11,342,662
Capitalization:
Long-Term Debt	17,023,577	15,125,876
Preferred Stock Not Subject to Mandatory Redemption	155,570	155,570
Common Shareholders' Equity:
Common Shares	1,789,092	1,789,092
Capital Surplus, Paid In	8,098,514	8,015,663
Retained Earnings	5,005,391	4,613,201
Accumulated Other Comprehensive Income	(42,275)	(76,411)
Common Shareholders' Equity	14,599,844	14,063,566
Commitments and Contingencies (Note 13)
Total Liabilities and Capitalization	48,492,144	46,099,598
NSTAR Electric Company
Current Assets:
Cash	745	102
Receivables, Net (net of allowance for uncollectible accounts of $181,319 and $157,447 as of December 31, 2021 and 2020, respectively)	405,674	403,045
Accounts Receivable from Affiliated Companies	67,420	30,095
Unbilled Revenues	37,497	38,342
Fuel, Materials, Supplies and REC Inventory	116,712	133,894
Taxes Receivable	80,617	65,051
Regulatory Assets	443,956	399,882
Prepayments and Other Current Assets	22,397	21,833
Total Current Assets	1,175,018	1,092,244
Property, Plant and Equipment, Net	10,876,614	10,123,062
Deferred Debits and Other Assets:
Regulatory Assets	1,135,231	1,304,019
Prepaid Pension and PBOP	441,426	204,138
Other Long-Term Assets	171,657	162,836
Total Deferred Debits and Other Assets	1,748,314	1,670,993
Total Assets	13,799,946	12,886,299
Current Liabilities:
Notes Payable	162,500	195,000
Notes Payable to Eversource Parent	0	21,300
Long-Term Debt – Current Portion	400,000	250,000
Accounts Payable	490,915	383,558
Accounts Payable to Affiliated Companies	129,575	95,703
Obligations to Third Party Suppliers	116,273	98,572
Renewable Portfolio Standards Compliance Obligations	100,200	127,536
Regulatory Liabilities	228,248	164,761
Other Current Liabilities	84,303	72,118
Total Current Liabilities	1,712,014	1,408,548
Deferred Credits and Other Liabilities:
Accumulated Deferred Income Taxes	1,579,508	1,459,906
Regulatory Liabilities	1,559,072	1,550,390
Accrued Pension, SERP and PBOP	2,046	172,571
Other Long-Term Liabilities	345,888	337,245
Total Deferred Credits and Other Liabilities	3,486,514	3,520,112
Capitalization:
Long-Term Debt	3,585,399	3,393,221
Preferred Stock Not Subject to Mandatory Redemption	43,000	43,000
Common Shareholders' Equity:
Common Shares	0	0
Capital Surplus, Paid In	2,253,942	1,993,942
Retained Earnings	2,718,576	2,527,167
Accumulated Other Comprehensive Income	501	309
Common Shareholders' Equity	4,973,019	4,521,418
Commitments and Contingencies (Note 13)
Total Liabilities and Capitalization	$ 13,799,946	$ 12,886,299