Consolidated Statements of Comprehensive Income - HECO (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Net income for common stock	$ 38,800	$ 27,139	$ 77,116	$ 55,601
Retirement benefit plans:
Less: amortization of net loss, prior service gain and transition obligation included in net periodic benefit cost, net of tax benefits of $2,142 and $1,401 for the three months ended June 30, 2012 and 2011 and $4,354 and $2,849 for the six months ended June 30, 2012 and 2011, respectively	3,768	2,449	7,641	3,488
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, net of taxes of $2,095 and $1,370 for the three months ended June 30, 2012 and 2011 and $4,257 and $2,801 for the six months ended June 30, 2012 and 2011, respectively	(3,289)	(2,105)	(6,684)	(4,352)
Other comprehensive income, net of taxes	1,550	4,467	1,861	2,629
Comprehensive income attributable to common shareholders	40,350	31,606	78,977	58,230
Hawaiian Electric Company, Inc. and Subsidiaries
Net income for common stock	29,376	17,024	56,676	36,213
Retirement benefit plans:
Less: amortization of net loss, prior service gain and transition obligation included in net periodic benefit cost, net of tax benefits of $2,142 and $1,401 for the three months ended June 30, 2012 and 2011 and $4,354 and $2,849 for the six months ended June 30, 2012 and 2011, respectively	3,364	2,152	6,836	4,426
Less: reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, net of taxes of $2,095 and $1,370 for the three months ended June 30, 2012 and 2011 and $4,257 and $2,801 for the six months ended June 30, 2012 and 2011, respectively	(3,289)	(2,105)	(6,684)	(4,352)
Other comprehensive income, net of taxes	75	47	152	74
Comprehensive income attributable to common shareholders	$ 29,451	$ 17,071	$ 56,828	$ 36,287