Condensed Consolidated Statements of Cash Flows (unaudited) - HECO - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Adjustments to reconcile net income (loss) to net cash provided by operating activities
Depreciation of property, plant and equipment	$ 204,887	$ 200,722
Other amortization	37,123	32,744
Deferred income tax benefit	(513,917)	(5,594)
Allowance for equity funds used during construction	(10,276)	(11,073)
Other	(7,660)	(5,315)
Changes in assets and liabilities
Decrease in fuel oil stock	38,152	38,587
Decrease (increase) in regulatory assets	(13,263)	13,908
Increase in regulatory liabilities	33,461	32,454
Change in prepaid and accrued income taxes, tax credits and revenue taxes	(35,021)	(24,860)
Decrease in defined benefit pension and other postretirement benefit plans liability	(6,694)	(6,722)
Increase in wildfire tort-related claims	1,840,000	75,000
Change in other assets and liabilities	(76,893)	(125,348)
Net cash provided by (used in) operating activities	350,911	475,138
Cash flows from investing activities
Capital expenditures	(258,645)	(342,364)
Other	(1,142)	9,375
Net cash used in investing activities	(24,060)	(369,638)
Cash flows from financing activities
Common stock dividends	0	(112,957)
Proceeds from issuance of long-term debt	5,204	625,000
Net decrease in short-term borrowings from non-affiliates and affiliates with original maturities of three months or less	0	(137,650)
Other	(18,149)	(9,409)
Net cash provided by (used in) financing activities	151,855	371,866
Net increase in cash, cash equivalents and restricted cash	478,706	477,366
Cash, cash equivalents and restricted cash, beginning of period	694,574	204,927
Cash, cash equivalents and restricted cash, end of period	1,173,280	682,293
Less: Restricted cash	(13,645)	(15,164)
Cash and cash equivalents	1,159,635	667,129
Hawaiian Electric Company, Inc. and Subsidiaries
Cash flows from operating activities
Net income (loss)	(1,271,262)	137,265
Adjustments to reconcile net income (loss) to net cash provided by operating activities
Depreciation of property, plant and equipment	188,436	182,781
Other amortization	22,818	19,639
Deferred income tax benefit	(488,956)	(8,807)
State refundable credit	(8,822)	(8,625)
Bad debt expense	4,006	3,937
Allowance for equity funds used during construction	(10,276)	(11,073)
Other	(2,954)	549
Changes in assets and liabilities
Decrease (increase) in accounts receivable	61,392	(34,813)
Decrease (increase) in accrued unbilled revenues	(12,652)	3,759
Decrease in fuel oil stock	39,193	38,762
Decrease (increase) in materials and supplies	379	(19,958)
Decrease (increase) in regulatory assets	(13,263)	13,908
Increase in regulatory liabilities	33,461	32,454
Increase in accounts payable	49,768	26,967
Change in prepaid and accrued income taxes, tax credits and revenue taxes	(40,755)	(18,754)
Decrease in defined benefit pension and other postretirement benefit plans liability	(5,678)	(6,202)
Increase in wildfire tort-related claims	1,840,000	75,000
Change in other assets and liabilities	(62,187)	(20,678)
Net cash provided by (used in) operating activities	322,648	406,111
Cash flows from investing activities
Capital expenditures	(244,300)	(334,497)
Other	2,697	5,216
Net cash used in investing activities	(241,603)	(329,281)
Cash flows from financing activities
Common stock dividends	(26,000)	(96,750)
Preferred stock dividends of Hawaiian Electric and subsidiaries	(1,496)	(1,496)
Proceeds from issuance of long-term debt	0	350,000
Net decrease in short-term borrowings from non-affiliates and affiliates with original maturities of three months or less	0	(87,967)
Payments of obligations under finance leases	(5,876)	(2,162)
Other	(6,126)	(843)
Net cash provided by (used in) financing activities	(39,498)	160,782
Net increase in cash, cash equivalents and restricted cash	41,547	237,612
Cash, cash equivalents and restricted cash, beginning of period	108,077	39,242
Cash, cash equivalents and restricted cash, end of period	149,624	276,854
Less: Restricted cash	(2,000)	(2,000)
Cash and cash equivalents	$ 147,624	$ 274,854