Condensed Consolidated Statements of Cash Flows (unaudited) - HECO - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Adjustments to reconcile net income (loss) to net cash provided by operating activities
Depreciation of property, plant and equipment	$ 131,759	$ 131,461
Other amortization	20,908	15,372
Deferred income tax benefit	(3,869)	(439,853)
Allowance for equity funds used during construction	(7,287)	(6,976)
Other	(2,793)	1,222
Changes in assets and liabilities
Decrease (increase) in fuel oil stock	(16,536)	1,188
Increase in regulatory assets	(1,608)	(23,425)
Increase in regulatory liabilities	42,433	16,716
Change in prepaid and accrued income taxes, tax credits and revenue taxes	(38,938)	(44,639)
Change in defined benefit pension and other postretirement benefit plans asset/liability	(3,710)	(4,271)
Increase in wildfire tort-related claims	0	1,637,000
Change in other assets and liabilities	(20,921)	(32,881)
Net cash provided by operating activities	184,416	193,447
Cash flows from investing activities
Capital expenditures	(161,493)	(178,926)
Other	3,222	500
Net cash provided by (used in) investing activities	(152,490)	33,523
Cash flows from financing activities
Repayment of long-term debt	(630,808)	(9,888)
Other	(5,958)	(9,544)
Net cash used in financing activities	(637,890)	(354,714)
Net decrease in cash, cash equivalents and restricted cash, including cash from discontinued operations	(605,964)	(127,744)
Cash, cash equivalents and restricted cash, including cash from discontinued operations, beginning of period	1,242,852	694,574
Cash, cash equivalents and restricted cash, including cash from discontinued operations, end of period	636,888	566,830
Less: Restricted cash	(482,603)	(16,422)
Cash and cash equivalents	154,285	215,573
Hawaiian Electric Company, Inc. and Subsidiaries
Cash flows from operating activities
Net income (loss)	87,964	(1,189,175)
Adjustments to reconcile net income (loss) to net cash provided by operating activities
Depreciation of property, plant and equipment	127,993	125,624
Other amortization	19,191	15,082
Deferred income tax benefit	(2,822)	(440,503)
State refundable credit	(6,210)	(5,880)
Bad debt expense	1,267	2,801
Allowance for equity funds used during construction	(7,287)	(6,976)
Other	2,292	17
Changes in assets and liabilities
Decrease (increase) in accounts receivable	(6,041)	86,832
Decrease in accrued unbilled revenues	20,772	7,614
Decrease (increase) in fuel oil stock	(15,636)	2,146
Decrease (increase) in materials and supplies	(12,787)	1,429
Increase in regulatory assets	(1,608)	(23,425)
Increase in regulatory liabilities	42,433	16,716
Increase in accounts payable	18,699	38,008
Change in prepaid and accrued income taxes, tax credits and revenue taxes	(46,378)	(43,573)
Change in defined benefit pension and other postretirement benefit plans asset/liability	(3,820)	(3,916)
Increase in wildfire tort-related claims	0	1,637,000
Change in other assets and liabilities	(1,776)	(34,348)
Net cash provided by operating activities	216,246	185,473
Cash flows from investing activities
Capital expenditures	(159,950)	(168,200)
Other	5,151	1,543
Net cash provided by (used in) investing activities	(154,799)	(166,657)
Cash flows from financing activities
Common stock dividends	(10,000)	(26,000)
Preferred stock dividends of Hawaiian Electric and subsidiaries	(998)	(998)
Proceeds from capital contribution from parent	540	0
Repayment of long-term debt	(123,000)	0
Payments of obligations under finance leases	(4,659)	(3,737)
Other	(1,049)	(5,538)
Net cash used in financing activities	(139,166)	(36,273)
Net decrease in cash, cash equivalents and restricted cash, including cash from discontinued operations	(77,719)	(17,457)
Cash, cash equivalents and restricted cash, including cash from discontinued operations, beginning of period	184,148	108,077
Cash, cash equivalents and restricted cash, including cash from discontinued operations, end of period	106,429	90,620
Less: Restricted cash	0	(2,000)
Cash and cash equivalents	$ 106,429	$ 88,620