Consolidated Statements of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenues
Total revenues	$ 3,239,542	$ 3,238,470	$ 3,374,995
Expenses
Total expenses	2,910,618	2,923,051	3,090,799
Operating income (loss)
Total operating income	328,924	315,419	284,196
Interest expense, net – other than on deposit liabilities and other bank borrowings	(76,352)	(75,479)	(78,151)
Allowance for borrowed funds used during construction	2,579	2,246	4,355
Allowance for equity funds used during construction	6,771	5,561	7,007
Income before income taxes	261,922	247,747	217,407
Income taxes	91,712	84,341	76,859
Net income	170,210	163,406	140,548
Preferred stock dividends of subsidiaries	1,890	1,890	1,890
Net income for common stock	168,320	161,516	138,658
Basic earnings per common share (in dollars per share)	$ 1.65	$ 1.63	$ 1.43
Diluted earnings per common share (in dollars per share)	$ 1.64	$ 1.62	$ 1.42
Dividends per common share (in dollars per share)	$ 1.24	$ 1.24	$ 1.24
Weighted-average number of common shares outstanding (in shares)	101,968	98,968	96,908
Net effect of potentially dilutive shares (in shares)	969	655	430
Adjusted weighted-average shares (in shares)	102,937	99,623	97,338
Hawaiian Electric Company, Inc. and Subsidiaries
Revenues
Total revenues	2,987,323	2,980,172	3,109,439
Expenses
Total expenses	2,711,555	2,734,659	2,896,427
Fuel oil	1,131,685	1,185,552	1,297,419
Purchased power	722,008	710,681	724,240
Other operation and maintenance	410,612	403,270	397,429
Depreciation	166,387	154,025	144,498
Taxes, other than income taxes	280,863	281,131	292,841
Impairment of utility assets	0	0	40,000
Operating income (loss)
Total operating income	275,768	245,513	213,012
Allowance for borrowed funds used during construction	2,579	2,246	4,355
Allowance for equity funds used during construction	6,771	5,561	7,007
Interest expense and other charges, net	(64,757)	(59,279)	(62,055)
Income before income taxes	220,361	194,041	162,319
Income taxes	80,725	69,117	61,048
Net income	139,636	124,924	101,271
Preferred stock dividends of subsidiaries	915	915	915
Net income attributable to Hawaiian Electric	138,721	124,009	100,356
Preferred stock dividends of Hawaiian Electric	1,080	1,080	1,080
Net income for common stock	137,641	122,929	99,276
Electric utility
Revenues
Total revenues	2,987,323	2,980,172	3,109,439
Expenses
Total expenses	2,711,555	2,734,659	2,896,427
Operating income (loss)
Total operating income	275,768	245,513	213,012
Income before income taxes	220,361	194,041	162,319
Income taxes	80,725	69,117	61,048
Net income	139,636	124,924	101,271
Preferred stock dividends of subsidiaries	1,995	1,995	1,995
Net income for common stock	137,641	122,929	99,276
Bank
Revenues
Total revenues	252,497	258,147	265,539
Expenses
Total expenses	176,878	171,090	177,106
Operating income (loss)
Total operating income	75,619	87,057	88,433
Income before income taxes	75,619	87,059	89,021
Income taxes	24,127	29,525	30,384
Net income	51,492	57,534	58,637
Preferred stock dividends of subsidiaries	0	0	0
Net income for common stock	51,492	57,534	58,637
Other
Revenues
Total revenues	(278)	151	17
Expenses
Total expenses	22,185	17,302	17,266
Operating income (loss)
Total operating income	(22,463)	(17,151)	(17,249)
Income before income taxes	(34,058)	(33,353)	(33,933)
Income taxes	(13,140)	(14,301)	(14,573)
Net income	(20,918)	(19,052)	(19,360)
Preferred stock dividends of subsidiaries	(105)	(105)	(105)
Net income for common stock	$ (20,813)	$ (18,947)	$ (19,255)