Condensed Consolidated Statements of Cash Flows (unaudited) - HECO - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Adjustments to reconcile net income (loss) to net cash provided by operating activities
Depreciation of property, plant and equipment	$ 136,888	$ 133,232
Other amortization	24,602	21,609
Deferred income tax expense (benefit)	(455,510)	(1,309)
Allowance for equity funds used during construction	(6,976)	(7,073)
Other	1,537	(3,710)
Changes in assets and liabilities
Decrease in fuel oil stock	1,188	47,963
Increase in regulatory assets	(23,425)	(10,620)
Increase in regulatory liabilities	16,716	22,782
Change in prepaid and accrued income taxes, tax credits and revenue taxes	(44,470)	(45,171)
Decrease in defined benefit pension and other postretirement benefit plans liability	(4,784)	(4,304)
Increase in Wildfire tort-related claims	1,637,000	0
Change in other assets and liabilities	(38,126)	(25,499)
Net cash provided by operating activities	193,447	371,617
Cash flows from investing activities
Capital expenditures	(179,865)	(235,875)
Other	(4,237)	8,160
Net cash provided by (used in) investing activities	33,523	(282,854)
Cash flows from financing activities
Common stock dividends	0	(78,893)
Proceeds from issuance of long-term debt	4,673	250,000
Net decrease in short-term borrowings from non-affiliates and affiliates with original maturities of three months or less	0	(91,438)
Other	(8,174)	(1,662)
Net cash used in financing activities	(354,714)	25,698
Net increase (decrease) in cash, cash equivalents and restricted cash	(127,744)	114,461
Cash, cash equivalents and restricted cash, beginning of period	694,574	204,927
Cash, cash equivalents and restricted cash, end of period	566,830	319,388
Less: Restricted cash	(16,422)	(5,104)
Cash and cash equivalents	550,408	314,284
Hawaiian Electric Company, Inc. and Subsidiaries
Cash flows from operating activities
Net income (loss)	(1,189,175)	93,306
Adjustments to reconcile net income (loss) to net cash provided by operating activities
Depreciation of property, plant and equipment	125,624	121,616
Other amortization	15,082	13,017
Deferred income tax expense (benefit)	(440,503)	(6,164)
State refundable credit	(5,880)	(5,750)
Bad debt expense	2,801	2,813
Allowance for equity funds used during construction	(6,976)	(7,073)
Other	17	381
Changes in assets and liabilities
Decrease in accounts receivable	86,832	76,219
Decrease in accrued unbilled revenues	7,614	28,797
Decrease in fuel oil stock	2,146	47,730
Decrease (increase) in materials and supplies	1,429	(11,587)
Increase in regulatory assets	(23,425)	(10,620)
Increase in regulatory liabilities	16,716	22,782
Increase in accounts payable	38,008	26,984
Change in prepaid and accrued income taxes, tax credits and revenue taxes	(43,573)	(44,941)
Decrease in defined benefit pension and other postretirement benefit plans liability	(3,916)	(3,926)
Increase in Wildfire tort-related claims	1,637,000	0
Change in other assets and liabilities	(34,348)	(7,439)
Net cash provided by operating activities	185,473	336,145
Cash flows from investing activities
Capital expenditures	(168,200)	(230,149)
Other	1,543	4,056
Net cash provided by (used in) investing activities	(166,657)	(226,093)
Cash flows from financing activities
Common stock dividends	(26,000)	(64,500)
Preferred stock dividends of Hawaiian Electric and subsidiaries	(998)	(998)
Proceeds from issuance of long-term debt	0	150,000
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	(3,737)	(1,339)
Other	(5,538)	(843)
Net cash used in financing activities	(36,273)	(5,647)
Net increase (decrease) in cash, cash equivalents and restricted cash	(17,457)	104,405
Cash, cash equivalents and restricted cash, beginning of period	108,077	39,242
Cash, cash equivalents and restricted cash, end of period	90,620	143,647
Less: Restricted cash	(2,000)	0
Cash and cash equivalents	$ 88,620	$ 143,647