Condensed Consolidated Statements of Cash Flows (unaudited) - HECO - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation of property, plant and equipment	$ 68,757	$ 66,508
Other amortization	12,093	10,362
Deferred income tax expense (benefit)	1,826	(1,076)
Allowance for equity funds used during construction	(3,640)	(3,301)
Other	2,091	(988)
Changes in assets and liabilities
Decrease (increase) in fuel oil stock	(14,025)	33,429
Increase in regulatory assets	(17,178)	(8,898)
Increase in regulatory liabilities	2,909	11,551
Change in prepaid and accrued income taxes, tax credits and revenue taxes	(11,628)	(47,305)
Decrease in defined benefit pension and other postretirement benefit plans liability	(930)	(1,950)
Change in other assets and liabilities	(103,589)	(38,485)
Net cash provided by operating activities	124,619	180,952
Cash flows from investing activities
Capital expenditures	(99,550)	(124,297)
Other	(1,568)	2,148
Net cash used in investing activities	(5,592)	(137,468)
Cash flows from financing activities
Common stock dividends	0	(39,446)
Proceeds from issuance of long-term debt	4,673	150,000
Net decrease in short-term borrowings from non-affiliates and affiliates with original maturities of three months or less	0	(88,666)
Other	(8,026)	(5,535)
Net cash provided by (used in) financing activities	(310,878)	71,139
Net increase in cash, cash equivalents and restricted cash	(191,851)	114,623
Cash, cash equivalents and restricted cash, beginning of period	694,574	204,927
Cash, cash equivalents and restricted cash, end of period	502,723	319,550
Less: Restricted cash	(17,531)	(4,216)
Cash and cash equivalents	485,192	315,334
Hawaiian Electric Company, Inc. and Subsidiaries
Cash flows from operating activities
Net income	39,720	47,508
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation of property, plant and equipment	62,812	60,927
Other amortization	7,566	6,530
Deferred income tax expense (benefit)	1,943	(3,659)
State refundable credit	(2,941)	(2,874)
Bad debt expense	1,526	1,539
Allowance for equity funds used during construction	(3,640)	(3,301)
Other	15	350
Changes in assets and liabilities
Decrease in accounts receivable	115,359	60,939
Decrease in accrued unbilled revenues	14,216	22,659
Decrease (increase) in fuel oil stock	(13,196)	33,947
Increase in materials and supplies	(1,286)	(4,525)
Increase in regulatory assets	(17,178)	(8,898)
Increase in regulatory liabilities	2,909	11,551
Increase in accounts payable	28,811	6,588
Change in prepaid and accrued income taxes, tax credits and revenue taxes	(11,230)	(45,392)
Decrease in defined benefit pension and other postretirement benefit plans liability	(287)	(1,837)
Change in other assets and liabilities	(97,918)	(12,697)
Net cash provided by operating activities	127,201	169,355
Cash flows from investing activities
Capital expenditures	(98,032)	(122,139)
Other	(1,641)	1,545
Net cash used in investing activities	(99,673)	(120,594)
Cash flows from financing activities
Common stock dividends	0	(32,250)
Preferred stock dividends of Hawaiian Electric and subsidiaries	(499)	(499)
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	(1,800)	(575)
Other	(1,552)	(690)
Net cash provided by (used in) financing activities	(3,851)	28,019
Net increase in cash, cash equivalents and restricted cash	23,677	76,780
Cash, cash equivalents and restricted cash, beginning of period	108,077	39,242
Cash, cash equivalents and restricted cash, end of period	131,754	116,022
Less: Restricted cash	(2,000)	0
Cash and cash equivalents	$ 129,754	$ 116,022