CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Current Assets:
Cash	$ 15,432	$ 108,068
Receivables, Net	989,383	994,055
Unbilled Revenues	181,006	176,285
Fuel, Materials, Supplies and REC Inventory	235,471	238,042
Regulatory Assets	651,112	514,779
Prepayments and Other Current Assets	342,135	260,995
Total Current Assets	2,414,539	2,292,224
Property, Plant and Equipment, Net	27,585,470	25,610,428
Deferred Debits and Other Assets:
Regulatory Assets	4,863,639	4,631,137
Goodwill	4,427,266	4,427,266
Investments in Unconsolidated Affiliates	871,633	464,286
Marketable Securities	449,130	417,508
Other Long-Term Assets	512,238	398,407
Total Deferred Debits and Other Assets	11,123,906	10,338,604
Total Assets	41,123,915	38,241,256
Current Liabilities:
Notes Payable	889,084	910,000
Long-Term Debt – Current Portion	327,411	837,319
Rate Reduction Bonds – Current Portion	43,210	52,332
Accounts Payable	1,147,872	1,119,995
Regulatory Liabilities	361,152	370,230
Other Current Liabilities	836,834	823,006
Total Current Liabilities	3,605,563	4,112,882
Deferred Credits and Other Liabilities:
Accumulated Deferred Income Taxes	3,755,777	3,506,030
Regulatory Liabilities	3,658,042	3,609,475
Derivative Liabilities	338,710	379,562
Asset Retirement Obligations	488,511	466,236
Accrued Pension, SERP and PBOP	1,370,245	962,510
Other Long-Term Liabilities	810,553	730,100
Total Deferred Credits and Other Liabilities	10,421,838	9,653,913
Capitalization:
Long-Term Debt	13,770,828	12,248,743
Rate Reduction Bonds	540,122	583,331
Noncontrolling Interest - Preferred Stock of Subsidiaries	155,570	155,570
Common Shareholders' Equity:
Common Shares	1,729,292	1,669,392
Capital Surplus, Paid In	7,087,768	6,241,222
Retained Earnings	4,177,048	3,953,974
Accumulated Other Comprehensive Income (Loss)	(65,059)	(60,000)
Treasury Stock	(299,055)	(317,771)
Common Shareholders' Equity	12,629,994	11,486,817
Commitments and Contingencies (Note 13)
Total Liabilities and Capitalization	41,123,915	38,241,256
The Connecticut Light and Power Company
Current Assets:
Cash	0	87,721
Receivables, Net	400,927	397,026
Accounts Receivable from Affiliated Companies	24,577	23,082
Unbilled Revenues	56,465	56,971
Fuel, Materials, Supplies and REC Inventory	50,700	44,529
Regulatory Assets	178,607	125,155
Prepayments and Other Current Assets	73,184	60,279
Total Current Assets	784,460	794,763
Property, Plant and Equipment, Net	9,625,765	8,909,701
Deferred Debits and Other Assets:
Regulatory Assets	1,557,261	1,505,488
Other Long-Term Assets	217,705	199,767
Total Deferred Debits and Other Assets	1,774,966	1,705,255
Total Assets	12,185,191	11,409,719
Current Liabilities:
Notes Payable to Eversource Parent	63,800	0
Long-Term Debt – Current Portion	0	250,000
Accounts Payable	374,698	324,983
Accounts Payable to Affiliated Companies	97,793	26,452
Obligations to Third Party Suppliers	56,952	56,248
Regulatory Liabilities	82,763	109,614
Derivative Liabilities	67,804	55,058
Other Current Liabilities	132,339	161,088
Total Current Liabilities	876,149	983,443
Deferred Credits and Other Liabilities:
Accumulated Deferred Income Taxes	1,244,551	1,166,784
Regulatory Liabilities	1,164,991	1,122,157
Derivative Liabilities	338,594	379,536
Accrued Pension, SERP and PBOP	391,159	282,771
Other Long-Term Liabilities	147,586	155,495
Total Deferred Credits and Other Liabilities	3,286,881	3,106,743
Capitalization:
Long-Term Debt	3,518,136	3,004,016
Noncontrolling Interest - Preferred Stock of Subsidiaries	116,200	116,200
Common Shareholders' Equity:
Common Shares	60,352	60,352
Capital Surplus, Paid In	2,535,765	2,410,765
Retained Earnings	1,791,392	1,727,899
Accumulated Other Comprehensive Income (Loss)	316	301
Common Shareholders' Equity	4,387,825	4,199,317
Commitments and Contingencies (Note 13)
Total Liabilities and Capitalization	12,185,191	11,409,719
NSTAR Electric Company
Current Assets:
Cash	52	1,606
Receivables, Net	346,785	361,296
Accounts Receivable from Affiliated Companies	29,914	31,344
Unbilled Revenues	37,482	34,518
Fuel, Materials, Supplies and REC Inventory	124,060	114,202
Regulatory Assets	285,591	241,747
Prepayments and Other Current Assets	31,150	51,960
Total Current Assets	855,034	836,673
Property, Plant and Equipment, Net	9,472,770	8,794,700
Deferred Debits and Other Assets:
Regulatory Assets	1,250,029	1,196,512
Prepaid PBOP	166,058	132,810
Other Long-Term Assets	144,368	109,764
Total Deferred Debits and Other Assets	1,560,455	1,439,086
Total Assets	11,888,259	11,070,459
Current Liabilities:
Notes Payable	10,500	278,500
Notes Payable to Eversource Parent	30,300	0
Long-Term Debt – Current Portion	95,000	0
Accounts Payable	363,691	384,398
Accounts Payable to Affiliated Companies	96,307	89,636
Obligations to Third Party Suppliers	108,827	109,547
Renewable Portfolio Standards Compliance Obligations	150,429	139,898
Regulatory Liabilities	209,180	190,620
Other Current Liabilities	71,333	74,872
Total Current Liabilities	1,135,567	1,267,471
Deferred Credits and Other Liabilities:
Accumulated Deferred Income Taxes	1,357,265	1,294,467
Regulatory Liabilities	1,516,585	1,513,279
Accrued Pension, SERP and PBOP	108,243	14,145
Other Long-Term Liabilities	320,629	263,096
Total Deferred Credits and Other Liabilities	3,302,722	3,084,987
Capitalization:
Long-Term Debt	3,247,086	2,944,846
Noncontrolling Interest - Preferred Stock of Subsidiaries	43,000	43,000
Common Shareholders' Equity:
Common Shares	0	0
Capital Surplus, Paid In	1,813,442	1,633,442
Retained Earnings	2,346,287	2,098,091
Accumulated Other Comprehensive Income (Loss)	155	(1,378)
Common Shareholders' Equity	4,159,884	3,730,155
Commitments and Contingencies (Note 13)
Total Liabilities and Capitalization	11,888,259	11,070,459
Public Service Company of New Hampshire
Current Assets:
Cash	413	1,439
Receivables, Net	99,934	104,854
Accounts Receivable from Affiliated Companies	6,763	8,444
Unbilled Revenues	48,146	47,145
Taxes Receivable	1,497	25,913
Fuel, Materials, Supplies and REC Inventory	24,957	37,504
Regulatory Assets	84,053	67,228
Special Deposits	32,513	47,498
Prepayments and Other Current Assets	17,934	17,564
Total Current Assets	316,210	357,589
Property, Plant and Equipment, Net	3,129,506	2,880,073
Deferred Debits and Other Assets:
Regulatory Assets	861,672	862,288
Other Long-Term Assets	43,270	27,406
Total Deferred Debits and Other Assets	904,942	889,694
Total Assets	4,350,658	4,127,356
Current Liabilities:
Notes Payable to Eversource Parent	27,000	57,000
Long-Term Debt – Current Portion	0	150,000
Rate Reduction Bonds – Current Portion	43,210	52,332
Accounts Payable	127,081	111,292
Accounts Payable to Affiliated Companies	37,946	26,029
Regulatory Liabilities	65,766	55,526
Accrued Interest	19,138	19,953
Other Current Liabilities	32,736	44,093
Total Current Liabilities	352,877	516,225
Deferred Credits and Other Liabilities:
Accumulated Deferred Income Taxes	506,212	481,221
Regulatory Liabilities	413,381	428,069
Accrued Pension, SERP and PBOP	157,638	124,457
Other Long-Term Liabilities	37,075	36,339
Total Deferred Credits and Other Liabilities	1,114,306	1,070,086
Capitalization:
Long-Term Debt	951,620	655,173
Rate Reduction Bonds	540,122	583,331
Common Shareholders' Equity:
Common Shares	0	0
Capital Surplus, Paid In	903,134	678,134
Retained Earnings	490,306	627,258
Accumulated Other Comprehensive Income (Loss)	(1,707)	(2,851)
Common Shareholders' Equity	1,391,733	1,302,541
Commitments and Contingencies (Note 13)
Total Liabilities and Capitalization	$ 4,350,658	$ 4,127,356