XML 36 R15.htm IDEA: XBRL DOCUMENT v3.25.1
NSTAR ELECTRIC COMPANY AND SUBSIDIARY CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Mar. 31, 2025
Dec. 31, 2024
Current Assets:    
Receivables, Net (net of allowance for uncollectible accounts) $ 1,868,308 $ 1,651,325
Unbilled Revenues 197,255 242,169
Materials, Supplies and REC Inventory 604,559 594,568
Regulatory Assets 1,793,285 2,189,660
Prepayments and Other Current Assets 282,593 315,368
Total Current Assets 4,912,023 5,076,073
Property, Plant and Equipment, Net 41,650,106 40,986,578
Deferred Debits and Other Assets:    
Regulatory Assets 4,898,037 4,880,974
Prepaid Pension and PBOP 1,382,936 1,336,633
Other Long-Term Assets 831,501 811,521
Total Deferred Debits and Other Assets 13,632,549 13,531,878
Total Assets 60,194,678 59,594,529
Current Liabilities:    
Notes Payable 1,490,099 2,042,793
Long-Term Debt – Current Portion 1,350,209 1,003,150
Accounts Payable 1,488,704 1,736,880
Regulatory Liabilities 774,549 632,282
Other Current Liabilities 1,028,024 868,491
Total Current Liabilities 6,516,940 6,720,957
Deferred Credits and Other Liabilities:    
Accumulated Deferred Income Taxes 5,402,397 5,411,206
Regulatory Liabilities 4,068,329 4,032,564
Other Long-Term Liabilities 1,073,345 1,123,999
Total Deferred Credits and Other Liabilities 11,629,665 11,652,918
Long-Term Debt 26,248,781 25,701,627
Preferred Stock Not Subject to Mandatory Redemption 155,568 155,568
Common Shareholders' Equity:    
Capital Surplus, Paid In 9,440,596 9,428,905
Retained Earnings 4,203,700 3,929,141
Accumulated Other Comprehensive Loss (23,949) (26,472)
Common Shareholders' Equity 15,341,257 15,039,387
Commitments and Contingencies
Total Liabilities and Capitalization 60,194,678 59,594,529
NSTAR Electric Company    
Current Assets:    
Cash and Cash Equivalents 2,907 911
Unbilled Revenues 53,743 59,079
Materials, Supplies and REC Inventory 256,888 220,621
Regulatory Assets 874,087 902,770
Prepayments and Other Current Assets 21,041 72,986
Total Current Assets 1,946,798 1,953,851
Property, Plant and Equipment, Net 14,352,198 14,037,828
Deferred Debits and Other Assets:    
Regulatory Assets 1,168,754 1,204,337
Prepaid Pension and PBOP 744,983 724,661
Other Long-Term Assets 157,582 154,571
Total Deferred Debits and Other Assets 2,071,319 2,083,569
Total Assets 18,370,315 18,075,248
Current Liabilities:    
Notes Payable 108,500 504,782
Long-Term Debt – Current Portion 250,000 250,000
Obligations to Third Party Suppliers 153,910 163,711
Renewable Portfolio Standards Compliance Obligations 129,172 106,399
Regulatory Liabilities 497,405 436,312
Other Current Liabilities 120,906 95,798
Total Current Liabilities 1,901,935 2,245,542
Deferred Credits and Other Liabilities:    
Accumulated Deferred Income Taxes 2,004,876 2,005,439
Regulatory Liabilities 1,654,352 1,643,079
Other Long-Term Liabilities 382,461 377,462
Total Deferred Credits and Other Liabilities 4,041,689 4,025,980
Long-Term Debt 5,637,202 4,844,920
Preferred Stock Not Subject to Mandatory Redemption 43,000 43,000
Common Shareholders' Equity:    
Common Stock 0 0
Capital Surplus, Paid In 3,888,842 3,788,842
Retained Earnings 2,857,790 3,127,105
Accumulated Other Comprehensive Loss (143) (141)
Common Shareholders' Equity 6,746,489 6,915,806
Commitments and Contingencies
Total Liabilities and Capitalization 18,370,315 18,075,248
NSTAR Electric Company | Nonrelated Party    
Current Assets:    
Receivables, Net (net of allowance for uncollectible accounts) 589,719 614,563
Current Liabilities:    
Accounts Payable 444,793 534,868
NSTAR Electric Company | Related Party    
Current Assets:    
Receivables, Net (net of allowance for uncollectible accounts) 148,413 82,921
Current Liabilities:    
Accounts Payable $ 197,249 $ 153,672