Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Cash flows from operating activities
Net income	$ 153,618	$ 134,344
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation of property, plant and equipment	159,646	150,123
Other amortization	31,473	15,362
Provision for loan losses	12,337	7,231
Loans originated and purchased, held for sale	(105,956)	(105,816)
Proceeds from sale of loans, held for sale	109,335	119,731
Deferred income taxes	10,823	21,397
Share-based compensation expense	5,891	4,383
Allowance for equity funds used during construction	(8,239)	(8,908)
Other	(4,524)	(1,350)
Changes in assets and liabilities
Increase in accounts receivable and unbilled revenues, net	(79,128)	(26,250)
Decrease (increase) in fuel oil stock	(5,060)	6,177
Decrease (increase) in regulatory assets	(6,474)	3,922
Increase (decrease) in accounts, interest and dividends payable	(7,122)	18,581
Change in prepaid and accrued income taxes, tax credits and utility revenue taxes	(32,006)	2,828
Increase in defined benefit pension and other postretirement benefit plans liability	7,517	670
Change in other assets and liabilities	15,548	(22,311)
Net cash provided by operating activities	257,679	320,114
Cash flows from investing activities
Available-for-sale investment securities purchased	(190,411)	(369,467)
Principal repayments on available-for-sale investment securities	168,334	155,026
Purchases of held-to-maturity investment securities	(62,096)	0
Principal repayments of held-to-maturity investment securities	4,007	0
Purchase of stock from Federal Home Loan Bank	(9,933)	(2,868)
Redemption of stock from Federal Home Loan Bank	11,480	4,380
Net decrease (increase) in loans held for investment	(96,212)	13,188
Proceeds from sale of commercial loans	7,149	31,427
Proceeds from sale of real estate acquired in settlement of loans	589	411
Capital expenditures	(404,984)	(343,375)
Contributions in aid of construction	24,361	40,603
Contributions to low income housing investments	(7,714)	0
Other	13,669	1,345
Net cash used in investing activities	(541,761)	(469,330)
Cash flows from financing activities
Net increase in deposit liabilities	137,443	203,397
Net increase in short-term borrowings with original maturities of three months or less	85,369	24,498
Net increase in retail repurchase agreements	32,626	24,469
Proceeds from other bank borrowings	237,000	59,500
Repayments of other bank borrowings	(287,000)	(123,034)
Proceeds from issuance of long-term debt	100,000	265,000
Repayment of long-term debt and funds transferred for redemption of special purpose revenue bonds	(1,867)	(265,000)
Withheld shares for employee taxes on vested share-based compensation	(996)	(3,796)
Common stock dividends	(101,235)	(101,149)
Preferred stock dividends of subsidiaries	(1,417)	(1,417)
Other	(5,668)	(9,531)
Net cash provided by financing activities	194,255	72,937
Net decrease in cash and cash equivalents	(89,827)	(76,279)
Cash and cash equivalents, beginning of period	261,881	278,452
Cash and cash equivalents, end of period	172,054	202,173
Hawaiian Electric Company, Inc. and Subsidiaries
Cash flows from operating activities
Net income	109,852	96,092
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation of property, plant and equipment	151,810	144,578
Other amortization	19,823	6,118
Deferred income taxes	12,835	29,537
Allowance for equity funds used during construction	(8,239)	(8,908)
Other	(1,952)	526
Changes in assets and liabilities
Increase in accounts receivable	(53,139)	(8,087)
Increase in accrued unbilled revenues	(20,648)	(18,014)
Decrease (increase) in fuel oil stock	(4,949)	6,177
Increase in materials and supplies	(4,110)	(2,280)
Decrease (increase) in regulatory assets	(6,474)	3,922
Increase (decrease) in accounts payable	(8,712)	6,130
Change in prepaid and accrued income taxes, tax credits and utility revenue taxes	(37,137)	5,291
Increase in defined benefit pension and other postretirement benefit plans liability	5,888	453
Change in other assets and liabilities	38,874	(2,662)
Net cash provided by operating activities	193,722	258,873
Cash flows from investing activities
Capital expenditures	(334,730)	(306,975)
Contributions in aid of construction	24,361	40,603
Other	9,811	8,114
Net cash used in investing activities	(300,558)	(258,258)
Cash flows from financing activities
Net increase in short-term borrowings with original maturities of three months or less	80,914	6,000
Proceeds from issuance of long-term debt	100,000	265,000
Repayment of long-term debt and funds transferred for redemption of special purpose revenue bonds	0	(265,000)
Common stock dividends	(77,479)	(65,825)
Preferred stock dividends of Hawaiian Electric and subsidiaries	(1,496)	(1,496)
Other	(396)	(3,593)
Net cash provided by financing activities	101,543	(64,914)
Net decrease in cash and cash equivalents	(5,293)	(64,299)
Cash and cash equivalents, beginning of period	12,517	74,286
Cash and cash equivalents, end of period	$ 7,224	$ 9,987