Condensed Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Assets
Cash and cash equivalents	$ 186,407	$ 169,208
Accounts receivable and unbilled revenues, net	265,440	325,672
Available-for-sale investment securities, at fair value	1,348,263	1,388,533
Held-to-maturity investment securities, at amortized cost	140,203	141,875
Stock in Federal Home Loan Bank, at cost	9,434	9,958
Loans held for investment, net	4,803,883	4,790,902
Loans held for sale, at lower of cost or fair value	8,136	1,805
Property, plant and equipment, net of accumulated depreciation	4,867,127	4,830,118
Regulatory assets	826,186	833,426
Other	581,350	530,364
Goodwill	82,190	82,190
Utility property, plant and equipment
Total property, plant and equipment, net	4,867,127	4,830,118
Current assets
Cash and cash equivalents	186,407	169,208
Other long-term assets
Operating lease right-of-use assets	241,486	0
Total assets	13,360,105	13,104,051
Liabilities
Accounts payable	195,538	214,773
Interest and dividends payable	33,711	28,254
Deposit liabilities	6,205,659	6,158,852
Short-term borrowings—other than bank	110,399	73,992
Other bank borrowings	89,870	110,040
Long-term debt, net—other than bank	1,880,339	1,879,641
Deferred income taxes	375,330	372,518
Operating lease liabilities	241,340	0
Regulatory liabilities	953,219	950,236
Defined benefit pension and other postretirement benefit plans liability	538,100	538,384
Other	518,792	580,788
Total liabilities	11,142,297	10,907,478
Capitalization
Retained earnings	554,451	543,623
Accumulated other comprehensive loss, net of tax benefits	(41,369)	(50,610)
Total shareholders’ equity	2,183,515	2,162,280
Preferred stock, no par value, authorized 10,000,000 shares; issued: none	0	0
Preferred stock of subsidiaries - not subject to mandatory redemption	34,293	34,293
Commitments and contingencies
Current liabilities
Interest and dividends payable	33,711	28,254
Deferred credits and other liabilities
Deferred income taxes	375,330	372,518
Shareholders’ equity
Preferred stock, no par value, authorized 10,000,000 shares; issued: none	0	0
Common stock, no par value, authorized 200,000,000 shares; issued and outstanding: 108,936,912 shares and 108,879,245 shares at March 31, 2019 and December 31, 2018, respectively	1,670,433	1,669,267
Retained earnings	554,451	543,623
Accumulated other comprehensive loss, net of tax benefits	(41,369)	(50,610)
Total shareholders’ equity	2,183,515	2,162,280
Total liabilities and shareholders’ equity	13,360,105	13,104,051
Hawaiian Electric Company, Inc. and Subsidiaries
Assets
Cash and cash equivalents	8,381	35,877
Property, plant and equipment, net of accumulated depreciation	4,563,298	4,522,102
Utility property, plant and equipment
Land	49,667	49,667
Plant and equipment	6,874,568	6,809,671
Less accumulated depreciation	(2,615,214)	(2,577,342)
Construction in progress	247,317	233,145
Utility property, plant and equipment, net	4,556,338	4,515,141
Nonutility property, plant and equipment, less accumulated depreciation	6,960	6,961
Total property, plant and equipment, net	4,563,298	4,522,102
Current assets
Cash and cash equivalents	8,381	35,877
Customer accounts receivable, net	137,413	177,896
Accrued unbilled revenues, net	95,905	121,738
Other accounts receivable, net	7,253	6,215
Fuel oil stock, at average cost	116,498	79,935
Materials and supplies, at average cost	56,584	55,204
Prepayments and other	33,887	32,118
Regulatory assets	72,018	71,016
Total current assets	527,939	579,999
Other long-term assets
Operating lease right-of-use assets	221,261	0
Regulatory assets	754,168	762,410
Other	104,222	102,992
Total other long-term assets	1,079,651	865,402
Total assets	6,170,888	5,967,503
Liabilities
Interest and dividends payable	27,608	23,215
Deferred income taxes	382,672	383,197
Operating lease liabilities	221,000
Capitalization
Common stock ($6 2/3 par value, authorized 50,000,000 shares; outstanding 16,751,488 shares at March 31, 2019 and December 31, 2018)	111,696	111,696
Premium on capital stock	681,305	681,305
Retained earnings	1,171,354	1,164,541
Accumulated other comprehensive loss, net of tax benefits	123	99
Total shareholders’ equity	1,964,478	1,957,641
Preferred stock, no par value, authorized 10,000,000 shares; issued: none	34,293	34,293
Long-term debt, net	1,337,016	1,418,802
Total capitalization	3,335,787	3,410,736
Commitments and contingencies
Current liabilities
Current portion of operating lease liabilities	61,269	0
Current portion of long-term debt	81,957	0
Short-term borrowings from non-affiliates	55,999	25,000
Accounts payable	156,146	171,791
Interest and dividends payable	27,608	23,215
Taxes accrued, including revenue taxes	193,334	233,333
Regulatory liabilities	12,613	17,977
Other	62,423	60,003
Total current liabilities	651,349	531,319
Deferred credits and other liabilities
Operating lease liabilities	159,875	0
Deferred income taxes	382,672	383,197
Regulatory liabilities	940,606	932,259
Unamortized tax credits	91,569	91,522
Defined benefit pension and other postretirement benefit plans liability	503,404	503,659
Other	105,626	114,811
Total deferred credits and other liabilities	2,183,752	2,025,448
Shareholders’ equity
Preferred stock, no par value, authorized 10,000,000 shares; issued: none	34,293	34,293
Retained earnings	1,171,354	1,164,541
Accumulated other comprehensive loss, net of tax benefits	123	99
Total shareholders’ equity	1,964,478	1,957,641
Total liabilities and shareholders’ equity	$ 6,170,888	$ 5,967,503