Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash flows from operating activities
Net income	$ 129,176	$ 83,253
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation of property, plant and equipment	122,921	119,367
Other amortization	17,896	26,055
Provision for credit losses	(20,642)	25,534
Loans originated, held for sale	(239,761)	(277,738)
Proceeds from sale of loans, held for sale	266,497	259,268
Gain on sale of investment securities, net	(528)	(9,275)
Gain on sale of loans, net	(6,225)	(8,252)
Deferred income taxes	(7,355)	(21,565)
Bad debt expense	810	1,089
Share-based compensation expense	5,454	4,059
Allowance for equity funds used during construction	(4,568)	(4,209)
Other	(5,037)	(3,854)
Changes in assets and liabilities
Decrease (increase) in accounts receivable and unbilled revenues, net	(41,884)	23,458
Decrease (increase) in fuel oil stock	(43,681)	31,583
Decrease (increase) in regulatory assets	(17,731)	9,432
Increase in regulatory liabilities	5,824	1,717
Increase (decrease) in accounts, interest and dividends payable	2,683	(48,336)
Change in prepaid and accrued income taxes, tax credits and utility revenue taxes	(1,818)	(12,306)
Increase (decrease) in defined benefit pension and other postretirement benefit plans liability	(3,834)	16,312
Change in other assets and liabilities	(39,800)	(17,120)
Net cash provided by operating activities	117,587	197,383
Cash flows from investing activities
Available-for-sale investment securities purchased	(1,101,289)	(476,582)
Principal repayments on available-for-sale investment securities	320,597	181,451
Proceeds from sale of available-for-sale investment securities	197,354	169,157
Purchases of held-to-maturity investment securities	(187,172)	0
Proceeds from repayments or maturities of held-to-maturity investment securities	38,401	15,093
Purchase of stock from Federal Home Loan Bank	(32,780)	(22,966)
Redemption of stock from Federal Home Loan Bank	31,460	21,520
Net decrease (increase) in loans held for investment	91,686	(328,356)
Proceeds from sale of residential loans	17,398	0
Capital expenditures	(148,414)	(197,816)
Proceeds from sale of low-income housing investments	0	6,725
Contributions to low income housing investments	(6,478)	(1,951)
Other	7,805	4,469
Net cash used in investing activities	(771,432)	(629,256)
Cash flows from financing activities
Net increase in deposit liabilities	486,473	758,050
Net increase (decrease) in short-term borrowings with original maturities of three months or less	31,257	(119,211)
Net increase (decrease) in other bank borrowings with original maturities of three months or less	39,995	(20,135)
Proceeds from issuance of short-term debt	0	165,000
Repayment of short-term debt	(65,000)	(100,000)
Proceeds from issuance of other bank borrowings	0	30,000
Proceeds from issuance of long-term debt	191,487	351,942
Repayment of long-term debt and funds transferred for repayment of long-term debt	(51,989)	(177,245)
Withheld shares for employee taxes on vested share-based compensation	(2,002)	(5,700)
Common stock dividends	(74,311)	(72,037)
Preferred stock dividends of subsidiaries	(946)	(946)
Other	(2,037)	(1,672)
Net cash provided by financing activities	552,927	808,046
Net increase (decrease) in cash, cash equivalents and restricted cash	(100,918)	376,173
Cash, cash equivalents and restricted cash, beginning of period	358,979	227,685
Cash, cash equivalents and restricted cash, end of period	258,061	603,858
Less: Restricted cash	(10,618)	(29,376)
Cash and cash equivalents, end of period	247,443	574,482
Hawaiian Electric Company, Inc. and Subsidiaries
Cash flows from operating activities
Net income	86,257	67,232
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation of property, plant and equipment	114,736	111,546
Other amortization	12,245	16,275
Deferred income taxes	(11,871)	(16,237)
State refundable credit	(5,309)	(5,060)
Allowance for equity funds used during construction	(4,568)	(4,209)
Other	810	116
Changes in assets and liabilities
Decrease (increase) in accounts receivable	(12,972)	10,730
Decrease (increase) in accrued unbilled revenues	(31,398)	15,780
Decrease (increase) in fuel oil stock	(43,828)	31,458
Increase in materials and supplies	(5,615)	(5,542)
Decrease (increase) in regulatory assets	(17,731)	9,432
Increase in regulatory liabilities	5,824	1,717
Increase (decrease) in accounts payable	12,297	(48,209)
Change in prepaid and accrued income taxes, tax credits and utility revenue taxes	(9,051)	(14,700)
Increase (decrease) in defined benefit pension and other postretirement benefit plans liability	(2,549)	14,968
Change in other assets and liabilities	(30,634)	(4,918)
Net cash provided by operating activities	57,453	181,468
Cash flows from investing activities
Capital expenditures	(138,025)	(186,532)
Other	4,670	5,441
Net cash used in investing activities	(133,355)	(181,091)
Cash flows from financing activities
Net increase (decrease) in other bank borrowings with original maturities of three months or less	37,999	(38,987)
Proceeds from issuance of short-term debt	0	100,000
Repayment of short-term debt	(50,000)	(100,000)
Proceeds from issuance of long-term debt	115,000	255,000
Repayment of long-term debt and funds transferred for repayment of long-term debt	0	(109,000)
Common stock dividends	(55,850)	(53,568)
Preferred stock dividends of Hawaiian Electric and subsidiaries	(998)	(998)
Other	(941)	(1,347)
Net cash provided by financing activities	45,210	51,100
Net increase (decrease) in cash, cash equivalents and restricted cash	(30,692)	51,477
Cash, cash equivalents and restricted cash, beginning of period	63,326	41,894
Cash, cash equivalents and restricted cash, end of period	32,634	93,371
Less: Restricted cash	(8,968)	(29,376)
Cash and cash equivalents, end of period	$ 23,666	$ 63,995