Condensed Consolidated Statements of Cash Flows (unaudited) - HECO - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation of property, plant and equipment	$ 133,232	$ 126,112
Other amortization	21,609	19,134
Deferred income taxes	(1,309)	(14,683)
Allowance for equity funds used during construction	(7,073)	(4,879)
Other	(3,710)	(3,858)
Changes in assets and liabilities
Decrease (increase) in fuel oil stock	47,963	(119,890)
Decrease (increase) in regulatory assets	(10,620)	12,956
Increase in regulatory liabilities	22,782	11,288
Change in prepaid and accrued income taxes, tax credits and revenue taxes	(45,171)	22,173
Decrease in defined benefit pension and other postretirement benefit plans liability	(4,304)	(2,698)
Change in other assets and liabilities	(37,161)	(55,260)
Net cash provided by operating activities	371,617	74,642
Cash flows from investing activities
Capital expenditures	(235,875)	(147,749)
Other	8,160	15,813
Net cash used in investing activities	(282,854)	(497,031)
Cash flows from financing activities
Common stock dividends	(78,893)	(76,602)
Proceeds from issuance of long-term debt	250,000	67,312
Net increase (decrease) in short-term borrowings with original maturities of three months or less	(91,438)	70,019
Other	(1,662)	(318)
Net cash provided by (used in) financing activities	25,698	275,985
Net increase (decrease) in cash, cash equivalents and restricted cash	114,461	(146,404)
Cash, cash equivalents and restricted cash, beginning of period	204,927	311,462
Cash, cash equivalents and restricted cash, end of period	319,388	165,058
Less: Restricted cash	(5,104)	(5,386)
Cash and cash equivalents	314,284	159,672
Hawaiian Electric Company, Inc. and Subsidiaries
Cash flows from operating activities
Net income	93,306	91,542
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation of property, plant and equipment	121,616	117,210
Other amortization	13,017	12,703
Deferred income taxes	(6,164)	(15,964)
State refundable credit	(5,750)	(5,517)
Bad debt expense	2,813	3,128
Allowance for equity funds used during construction	(7,073)	(4,879)
Other	381	(4)
Changes in assets and liabilities
Decrease (increase) in accounts receivable	76,219	(51,927)
Decrease (increase) in accrued unbilled revenues	28,797	(49,711)
Decrease (increase) in fuel oil stock	47,730	(119,709)
Increase in materials and supplies	(11,587)	(2,704)
Decrease (increase) in regulatory assets	(10,620)	12,956
Increase in regulatory liabilities	22,782	11,288
Increase in accounts payable	26,984	59,850
Change in prepaid and accrued income taxes, tax credits and revenue taxes	(44,941)	10,016
Decrease in defined benefit pension and other postretirement benefit plans liability	(3,926)	(2,515)
Change in other assets and liabilities	(7,439)	(21,613)
Net cash provided by operating activities	336,145	44,150
Cash flows from investing activities
Capital expenditures	(230,149)	(140,245)
Other	4,056	6,685
Net cash used in investing activities	(226,093)	(133,560)
Cash flows from financing activities
Common stock dividends	(64,500)	(62,950)
Preferred stock dividends of Hawaiian Electric and subsidiaries	(998)	(998)
Proceeds from issuance of long-term debt	150,000	60,000
Net increase (decrease) in short-term borrowings with original maturities of three months or less	(87,967)	54,987
Payments of obligations under finance leases	(1,339)	0
Other	(843)	(255)
Net cash provided by (used in) financing activities	(5,647)	50,784
Net increase (decrease) in cash, cash equivalents and restricted cash	104,405	(38,626)
Cash, cash equivalents and restricted cash, beginning of period	39,242	55,258
Cash, cash equivalents and restricted cash, end of period	143,647	16,632
Less: Restricted cash	0	(1,129)
Cash and cash equivalents	$ 143,647	$ 15,503