Segment financial information (Tables)

12 Months Ended

Dec. 31, 2018

Segment Reporting [Abstract]

Schedule of segment financial information

Segment financial information was as follows:

(in thousands)	Electric utility		Bank		Other			Total
2018
Revenues from external customers	$	2,546,472	$	314,275	$	102		$	2,860,849
Intersegment revenues (eliminations)	53		—		(53		)	—
Revenues	2,546,525		314,275		49			2,860,849
Depreciation and amortization	230,228		21,443		3,958			255,629
Interest expense, net	73,348		15,539		15,329			104,216
Income (loss) before income taxes	180,426		106,578		(32,543		)	254,461
Income taxes (benefit)	34,778		24,069		(8,050		)	50,797
Net income (loss)	145,648		82,509		(24,493		)	203,664
Preferred stock dividends of subsidiaries	1,995		—		(105		)	1,890
Net income (loss) for common stock	143,653		82,509		(24,388		)	201,774
Capital expenditures	445,863		72,666		18,840			537,369
Assets (at December 31, 2018)	5,967,503		7,027,894		108,654			13,104,051
2017
Revenues from external customers	$	2,257,455	$	297,640	$	530		$	2,555,625
Intersegment revenues (eliminations)	111		—		(111		)	—
Revenues	2,257,566		297,640		419			2,555,625
Depreciation and amortization	201,282		19,416		1,300			221,998
Interest expense, net	69,637		12,156		9,335			91,128
Income (loss) before income taxes	205,145		98,716		(27,281		)	276,580
Income taxes (benefit)	83,199		31,719		(5,525		)	109,393
Net income (loss)	121,946		66,997		(21,756		)	167,187
Preferred stock dividends of subsidiaries	1,995		—		(105		)	1,890
Net income (loss) for common stock	119,951		66,997		(21,651		)	165,297
Capital expenditures	441,598		53,272		317			495,187
Assets (at December 31, 2017)1	5,630,613		6,798,659		104,888			12,534,160

(in thousands)	Electric utility		Bank		Other			Total
2016
Revenues from external customers	$	2,094,224	$	285,924	$	506		$	2,380,654
Intersegment revenues (eliminations)	144		—		(144		)	—
Revenues	2,094,368		285,924		362			2,380,654
Depreciation and amortization	193,996		9,813		937			204,746
Interest expense, net	66,824		12,755		8,979			88,558
Income before income taxes	229,113		87,352		57,376			373,841
Income taxes	84,801		30,073		8,821			123,695
Net income	144,312		57,279		48,555			250,146
Preferred stock dividends of subsidiaries	1,995		—		(105		)	1,890
Net income for common stock	142,317		57,279		48,660			248,256
Capital expenditures	320,437		9,394		212			330,043
Assets (at December 31, 2016)1	5,431,903		6,421,357		28,721			11,881,981

¹  Contributions in aid of construction balances were reclassified from liabilities to “Property, plant and equipment, net” and “Total property, plant and equipment, net” for the Company and Hawaiian Electric, respectively, which reduced the amounts of the respective balances.