Condensed Consolidated Statements of Cash Flows (unaudited) - HECO - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation of property, plant and equipment	$ 126,112	$ 122,921
Other amortization	19,134	17,896
Deferred income taxes	(14,683)	(7,355)
Allowance for equity funds used during construction	(4,879)	(4,568)
Other	(3,858)	(5,037)
Changes in assets and liabilities
Increase in fuel oil stock	(119,890)	(43,681)
Decrease (increase) in regulatory assets	12,956	(17,731)
Increase in regulatory liabilities	11,288	5,824
Change in prepaid and accrued income taxes, tax credits and utility revenue taxes	22,173	(1,818)
Decrease in defined benefit pension and other postretirement benefit plans liability	(2,698)	(3,834)
Change in other assets and liabilities	(55,260)	(39,800)
Net cash provided by operating activities	74,642	117,587
Cash flows from investing activities
Capital expenditures	(147,749)	(148,414)
Other	15,813	7,805
Net cash used in investing activities	(497,031)	(771,432)
Cash flows from financing activities
Common stock dividends	(76,602)	(74,311)
Repayment of short-term debt	0	(65,000)
Proceeds from issuance of long-term debt	67,312	191,487
Net increase in short-term borrowings from non-affiliates and affiliates with original maturities of three months or less	153,305	39,995
Other	(318)	(2,037)
Net cash provided by financing activities	275,985	552,927
Net decrease in cash, cash equivalents and restricted cash	(146,404)	(100,918)
Cash, cash equivalents and restricted cash, beginning of period	311,462	358,979
Cash, cash equivalents and restricted cash, end of period	165,058	258,061
Less: Restricted cash	(5,386)	(10,618)
Cash and cash equivalents, end of period	159,672	247,443
Hawaiian Electric Company, Inc. and Subsidiaries
Cash flows from operating activities
Net income	91,542	86,257
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation of property, plant and equipment	117,210	114,736
Other amortization	12,703	12,245
Deferred income taxes	(15,964)	(11,871)
State refundable credit	(5,517)	(5,309)
Bad debt expense	3,128	810
Allowance for equity funds used during construction	(4,879)	(4,568)
Other	(4)	810
Changes in assets and liabilities
Increase in accounts receivable	(51,927)	(12,972)
Increase in accrued unbilled revenues	(49,711)	(31,398)
Increase in fuel oil stock	(119,709)	(43,828)
Increase in materials and supplies	(2,704)	(5,615)
Decrease (increase) in regulatory assets	12,956	(17,731)
Increase in regulatory liabilities	11,288	5,824
Increase in accounts payable	59,850	12,297
Change in prepaid and accrued income taxes, tax credits and utility revenue taxes	10,016	(9,051)
Decrease in defined benefit pension and other postretirement benefit plans liability	(2,515)	(2,549)
Change in other assets and liabilities	(21,613)	(30,634)
Net cash provided by operating activities	44,150	57,453
Cash flows from investing activities
Capital expenditures	(140,245)	(138,025)
Other	6,685	4,670
Net cash used in investing activities	(133,560)	(133,355)
Cash flows from financing activities
Common stock dividends	(62,950)	(55,850)
Preferred stock dividends of Hawaiian Electric and subsidiaries	(998)	(998)
Repayment of short-term debt	0	(50,000)
Proceeds from issuance of long-term debt	60,000	115,000
Net increase in short-term borrowings from non-affiliates and affiliates with original maturities of three months or less	54,987	37,999
Other	(255)	(941)
Net cash provided by financing activities	50,784	45,210
Net decrease in cash, cash equivalents and restricted cash	(38,626)	(30,692)
Cash, cash equivalents and restricted cash, beginning of period	55,258	63,326
Cash, cash equivalents and restricted cash, end of period	16,632	32,634
Less: Restricted cash	(1,129)	(8,968)
Cash and cash equivalents, end of period	$ 15,503	$ 23,666