Consolidated Statements of Income - HECO - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenues	$ 3,741,985	$ 2,850,379	$ 2,579,775
Expenses
Total expenses	3,360,912	2,464,313	2,268,282
Operating income	381,073	386,066	311,493
Allowance for equity funds used during construction	10,574	9,534	8,768
Retirement defined benefits credit (expense)—other than service costs	4,411	5,848	(3,210)
Allowance for borrowed funds used during construction	3,416	3,250	2,992
Income before income taxes	304,195	310,863	240,624
Income taxes	61,167	62,807	40,910
Net income	243,028	248,056	199,714
Preferred stock dividends of Hawaiian Electric	1,890	1,890	1,890
Net income for common stock	241,138	246,166	197,824
Hawaiian Electric Company, Inc. and Subsidiaries
Revenues	3,408,587	2,539,636	2,265,320
Expenses
Fuel oil	1,265,614	644,349	515,274
Purchased power	793,584	670,494	568,749
Other operation and maintenance	497,601	475,412	474,192
Depreciation	235,424	229,469	222,733
Taxes, other than income taxes	317,173	240,354	215,822
Total expenses	3,109,396	2,260,078	1,996,770
Operating income	299,191	279,558	268,550
Allowance for equity funds used during construction	10,574	9,534	8,768
Retirement defined benefits credit (expense)—other than service costs	3,835	3,890	(763)
Interest expense and other charges, net	(76,416)	(72,447)	(67,794)
Allowance for borrowed funds used during construction	3,416	3,250	2,992
Income before income taxes	240,600	223,785	211,753
Income taxes	49,676	44,148	40,418
Net income (loss)	190,924	179,637	171,335
Preferred stock dividends of subsidiaries	915	915	915
Net income	190,009	178,722	170,420
Preferred stock dividends of Hawaiian Electric	1,080	1,080	1,080
Net income for common stock	$ 188,929	$ 177,642	$ 169,340