Condensed Consolidated Statements of Income (unaudited) - HECO - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenues
Revenues	$ 895,607		$ 680,257		$ 1,680,675	$ 1,323,203
Expenses
Total expenses	808,939		578,401		1,494,731	1,123,316
Total operating income	86,668		101,856		185,944	199,887
Allowance for equity funds used during construction	2,470		2,377		4,879	4,568
Retirement defined benefits credit—other than service costs	1,246		1,216		2,489	3,651
Allowance for borrowed funds used during construction	798		812		1,576	1,559
Income before income taxes	66,217		82,944		153,697	163,140
Income taxes	13,203		18,599		31,043	33,964
Net income attributable to Hawaiian Electric	53,014		64,345		122,654	129,176
Preferred stock dividends of Hawaiian Electric	473		473		946	946
Net income for common stock	52,541	$ 69,167	63,872	$ 64,358	121,708	128,230
Hawaiian Electric Company, Inc. and Subsidiaries
Revenues
Revenues	818,873		601,879		1,527,665	1,166,743
Expenses
Fuel oil	269,655		139,136		490,941	266,563
Purchased power	218,085		162,465		381,618	304,761
Other operation and maintenance	124,892		118,142		250,149	232,712
Depreciation	58,739		57,381		117,210	114,736
Taxes, other than income taxes	76,348		57,071		142,998	111,173
Total expenses	747,719		534,195		1,382,916	1,029,945
Total operating income	71,154		67,684		144,749	136,798
Allowance for equity funds used during construction	2,470		2,377		4,879	4,568
Retirement defined benefits credit—other than service costs	991		1,020		1,981	2,041
Interest expense and other charges, net	(18,800)		(17,995)		(37,126)	(35,978)
Allowance for borrowed funds used during construction	798		812		1,576	1,559
Income before income taxes	56,613		53,898		116,059	108,988
Income taxes	11,979		11,498		24,517	22,731
Net income	44,634		42,400		91,542	86,257
Preferred stock dividends of subsidiaries	229		229		458	458
Net income attributable to Hawaiian Electric	44,405		42,171		91,084	85,799
Preferred stock dividends of Hawaiian Electric	270		270		540	540
Net income for common stock	$ 44,135	$ 46,409	$ 41,901	$ 43,358	$ 90,544	$ 85,259