Condensed Consolidated Balance Sheets (unaudited) - HECO - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Utility property, plant and equipment
Total property, plant and equipment, net	$ 5,778,571	$ 5,687,003
Current assets
Cash and cash equivalents	315,334	199,877
Other long-term assets
Operating lease right-of-use assets	110,920	115,684
Total assets	16,443,785	16,284,244
Capitalization
Retained earnings	861,105	845,830
Accumulated other comprehensive income, net of taxes-retirement benefit plans	(315,540)	(336,028)
Total shareholders’ equity	2,237,955	2,202,499
Cumulative preferred stock — not subject to mandatory redemption	34,293	34,293
Commitments and contingencies (Notes 3 and 4)
Current liabilities
Interest and dividends payable	41,382	21,333
Deferred credits and other liabilities
Deferred income taxes	273,081	262,462
Total liabilities and shareholders’ equity	16,443,785	16,284,244
Hawaiian Electric Company, Inc. and Subsidiaries
Utility property, plant and equipment
Land	52,060	52,060
Plant and equipment	8,042,892	7,979,510
Financing lease right-of-use assets	88,297	48,371
Less accumulated depreciation	(3,133,811)	(3,086,499)
Construction in progress	315,862	275,353
Utility property, plant and equipment, net	5,365,300	5,268,795
Nonutility property, plant and equipment, less accumulated depreciation	6,945	6,945
Total property, plant and equipment, net	5,372,245	5,275,740
Current assets
Cash and cash equivalents	116,022	39,242
Customer accounts receivable, net	235,305	288,338
Accrued unbilled revenues, net	160,532	183,280
Other accounts receivable, net	11,427	13,567
Fuel oil stock, at average cost	157,583	191,530
Materials and supplies, at average cost	84,093	79,568
Prepayments and other	43,909	33,482
Regulatory assets	64,973	52,273
Total current assets	873,844	881,280
Other long-term assets
Operating lease right-of-use assets	84,930	89,318
Regulatory assets	182,929	190,240
Other	160,515	160,889
Total other long-term assets	428,374	440,447
Total assets	6,674,463	6,597,467
Capitalization
Common stock ($6 2/3 par value, authorized 50,000,000 shares; outstanding 17,854,278 shares at March 31, 2023 and December 31, 2022)	119,048	119,048
Premium on capital stock	810,955	810,955
Retained earnings	1,426,065	1,411,306
Accumulated other comprehensive income, net of taxes-retirement benefit plans	2,816	2,861
Total shareholders’ equity	2,358,884	2,344,170
Cumulative preferred stock — not subject to mandatory redemption	34,293	34,293
Long-term debt, net	1,734,347	1,584,854
Total capitalization	4,127,524	3,963,317
Commitments and contingencies (Notes 3 and 4)
Current liabilities
Current portion of operating lease liabilities	18,414	19,095
Current portion of long-term debt, net	99,973	99,962
Short-term borrowings from non-affiliates	0	87,967
Accounts payable	191,769	202,492
Interest and dividends payable	29,367	17,176
Taxes accrued, including revenue taxes	246,914	289,902
Regulatory liabilities	25,234	31,475
Other	86,580	85,596
Total current liabilities	698,251	833,665
Deferred credits and other liabilities
Operating lease liabilities	74,633	78,715
Finance lease liabilities	84,341	46,048
Deferred income taxes	384,953	384,430
Regulatory liabilities	1,044,317	1,024,175
Unamortized tax credits	93,445	95,300
Defined benefit pension and other postretirement benefit plans liability	49,388	49,748
Other	117,611	122,069
Total deferred credits and other liabilities	1,848,688	1,800,485
Total liabilities and shareholders’ equity	$ 6,674,463	$ 6,597,467