Condensed Consolidated Statements of Income (unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenues
Total revenues	$ 715,485	$ 685,277	$ 1,377,100	$ 1,331,151
Expenses
Purchased power	162,000	161,000	296,000	301,000
Total expenses	642,851	606,478	1,226,529	1,180,463
Operating income (loss)
Total operating income	72,634	78,799	150,571	150,688
Retirement defined benefits expense—other than service costs	(761)	(1,564)	(1,524)	(3,397)
Interest expense, net—other than on deposit liabilities and other bank borrowings	(23,533)	(22,001)	(46,656)	(43,519)
Allowance for borrowed funds used during construction	1,179	1,365	2,257	2,809
Allowance for equity funds used during construction	3,175	2,983	6,085	6,277
Income before income taxes	52,694	59,582	110,733	112,858
Income taxes	9,709	13,055	21,587	25,611
Net income	42,985	46,527	89,146	87,247
Preferred stock dividends of subsidiaries	473	473	946	946
Net income for common stock	$ 42,512	$ 46,054	$ 88,200	$ 86,301
Basic earnings per common share (in dollars per share)	$ 0.39	$ 0.42	$ 0.81	$ 0.79
Diluted earnings per common share (in dollars per share)	$ 0.39	$ 0.42	$ 0.81	$ 0.79
Weighted-average number of common shares outstanding (in shares)	108,938	108,842	108,925	108,830
Net effect of potentially dilutive shares (in shares)	317	121	399	223
Weighted-average shares assuming dilution (in shares)	109,255	108,963	109,324	109,053
Hawaiian Electric Company, Inc. and Subsidiaries
Revenues
Total revenues	$ 633,784	$ 608,126	$ 1,212,279	$ 1,178,553
Expenses
Fuel oil	181,620	171,717	342,229	338,685
Purchased power	162,854	160,738	297,299	300,648
Other operation and maintenance	119,260	112,642	237,390	220,252
Depreciation	53,913	50,361	107,860	100,827
Taxes, other than income taxes	60,443	57,524	115,247	111,628
Total expenses	578,090	552,982	1,100,025	1,072,040
Operating income (loss)
Total operating income	55,694	55,144	112,254	106,513
Retirement defined benefits expense—other than service costs	(701)	(988)	(1,404)	(2,252)
Allowance for borrowed funds used during construction	1,179	1,365	2,257	2,809
Allowance for equity funds used during construction	3,175	2,983	6,085	6,277
Interest expense and other charges, net	(18,530)	(18,160)	(36,516)	(35,854)
Income before income taxes	40,817	40,344	82,676	77,493
Income taxes	7,744	8,676	16,978	17,851
Net income	33,073	31,668	65,698	59,642
Preferred stock dividends of subsidiaries	229	229	458	458
Net income attributable to Hawaiian Electric	32,844	31,439	65,240	59,184
Preferred stock dividends of Hawaiian Electric	270	270	540	540
Net income for common stock	32,574	31,169	64,700	58,644
Electric utility
Revenues
Total revenues	633,784	608,126	1,212,279	1,178,553
Expenses
Total expenses	578,090	552,982	1,100,025	1,072,040
Operating income (loss)
Total operating income	55,694	55,144	112,254	106,513
Income before income taxes	40,817	40,344	82,676	77,493
Income taxes	7,744	8,676	16,978	17,851
Net income	33,073	31,668	65,698	59,642
Preferred stock dividends of subsidiaries	499	499	998	998
Net income for common stock	32,574	31,169	64,700	58,644
Bank
Revenues
Total revenues	81,687	77,104	164,739	152,523
Expenses
Total expenses	60,435	50,187	117,365	100,719
Operating income (loss)
Total operating income	21,252	26,917	47,374	51,804
Income before income taxes	21,292	26,514	47,454	51,014
Income taxes	4,276	5,953	9,599	11,493
Net income	17,016	20,561	37,855	39,521
Preferred stock dividends of subsidiaries	0	0	0	0
Net income for common stock	17,016	20,561	37,855	39,521
Other
Revenues
Total revenues	14	47	82	75
Expenses
Total expenses	4,326	3,309	9,139	7,704
Operating income (loss)
Total operating income	(4,312)	(3,262)	(9,057)	(7,629)
Income before income taxes	(9,415)	(7,276)	(19,397)	(15,649)
Income taxes	(2,311)	(1,574)	(4,990)	(3,733)
Net income	(7,104)	(5,702)	(14,407)	(11,916)
Preferred stock dividends of subsidiaries	(26)	(26)	(52)	(52)
Net income for common stock	$ (7,078)	$ (5,676)	$ (14,355)	$ (11,864)