Condensed Consolidated Statements of Cash Flows (unaudited) - HECO - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation of property, plant and equipment	$ 190,075	$ 184,389
Other amortization	28,916	24,511
Deferred income taxes	(21,631)	(13,473)
Allowance for equity funds used during construction	(7,431)	(6,995)
Other	(5,392)	(7,046)
Changes in assets and liabilities
Increase in fuel oil stock	(127,413)	(42,612)
Decrease (increase) in regulatory assets	34,278	(4,952)
Increase in regulatory liabilities	29,294	8,806
Change in prepaid and accrued income taxes, tax credits and utility revenue taxes	73,279	11,133
Decrease in defined benefit pension and other postretirement benefit plans liability	(4,228)	(5,288)
Change in other assets and liabilities	(44,411)	(51,833)
Net cash provided by operating activities	212,987	267,205
Cash flows from investing activities
Capital expenditures	(236,278)	(219,252)
Other	15,646	10,078
Net cash used in investing activities	(794,762)	(984,839)
Cash flows from financing activities
Common stock dividends	(114,917)	(111,477)
Repayment of short-term debt	0	(65,000)
Proceeds from issuance of long-term debt	67,312	206,988
Net increase in other bank borrowings with original maturities of three months or less	320,735	39,635
Other	(6,112)	(7,462)
Net cash provided by financing activities	449,491	595,990
Net decrease in cash, cash equivalents and restricted cash	(132,284)	(121,644)
Cash, cash equivalents and restricted cash, beginning of period	311,462	358,979
Cash, cash equivalents and restricted cash, end of period	179,178	237,335
Less: Restricted cash	(3,898)	(9,412)
Cash and cash equivalents, end of period	175,280	227,923
Hawaiian Electric Company, Inc. and Subsidiaries
Cash flows from operating activities
Net income	141,804	137,097
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation of property, plant and equipment	175,921	172,122
Other amortization	19,044	17,058
Deferred income taxes	(27,671)	(12,333)
State refundable credit	(8,275)	(7,955)
Bad debt expense	4,406	1,303
Allowance for equity funds used during construction	(7,431)	(6,995)
Other	94	991
Changes in assets and liabilities
Increase in accounts receivable	(64,404)	(33,621)
Increase in accrued unbilled revenues	(91,256)	(27,491)
Increase in fuel oil stock	(125,647)	(42,563)
Increase in materials and supplies	(5,702)	(5,653)
Decrease (increase) in regulatory assets	34,278	(4,952)
Increase in regulatory liabilities	29,294	8,806
Increase in accounts payable	18,108	27,210
Change in prepaid and accrued income taxes, tax credits and utility revenue taxes	57,681	2,934
Decrease in defined benefit pension and other postretirement benefit plans liability	(3,647)	(3,902)
Change in other assets and liabilities	(22,430)	(23,800)
Net cash provided by operating activities	124,167	198,256
Cash flows from investing activities
Capital expenditures	(225,876)	(203,746)
Other	6,750	6,157
Net cash used in investing activities	(219,126)	(197,589)
Cash flows from financing activities
Common stock dividends	(94,425)	(83,775)
Preferred stock dividends of Hawaiian Electric and subsidiaries	(1,496)	(1,496)
Repayment of short-term debt	0	(50,000)
Proceeds from issuance of long-term debt	60,000	115,000
Net increase in other bank borrowings with original maturities of three months or less	97,450	0
Payments of obligations under finance leases	(266)	0
Other	(258)	(942)
Net cash provided by financing activities	61,005	(21,213)
Net decrease in cash, cash equivalents and restricted cash	(33,954)	(20,546)
Cash, cash equivalents and restricted cash, beginning of period	55,258	63,326
Cash, cash equivalents and restricted cash, end of period	21,304	42,780
Less: Restricted cash	0	(6,313)
Cash and cash equivalents, end of period	$ 21,304	$ 36,467