Consolidated Statements of Cash Flows - HECO (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash flows from operating activities
Net income	$ 75,213	$ 78,062
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Depreciation of property, plant and equipment	79,843	75,517
Other amortization	2,868	2,999
Change in deferred income taxes	40,403	41,541
Allowance for equity funds used during construction	(2,775)	(3,937)
Changes in assets and liabilities
Decrease (increase) in fuel oil stock	43,974	(35,893)
Increase in regulatory assets	(37,586)	(35,476)
Change in prepaid and accrued income taxes and utility revenue taxes	(33,822)	(12,998)
Contributions to defined benefit pension and other postretirement benefit plans	(41,521)	(53,356)
Other increase in defined benefit pension and other postretirement benefit plans liability	41,191	31,204
Change in other assets and liabilities	(17,597)	(58,638)
Net cash provided by (used in) operating activities	130,792	(3,572)
Cash flows from investing activities
Capital expenditures	(158,830)	(145,263)
Contributions in aid of construction	17,188	26,981
Other	2,364
Net cash used in investing activities	(240,285)	(188,313)
Cash flows from financing activities
Common stock dividends	(48,921)	(47,851)
Proceeds from issuance of long-term debt	50,000	417,000
Repayment of long-term debt	(50,000)	(328,500)
Net increase in short-term borrowings from nonaffiliates and affiliate with original maturities of three months or less	42,093	27,419
Other	606	(2,055)
Net cash provided by financing activities	43,543	129,169
Net decrease in cash and cash equivalents	(65,950)	(62,716)
Hawaiian Electric Company, Inc. and Subsidiaries
Cash flows from operating activities
Net income	54,120	57,674
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Depreciation of property, plant and equipment	76,870	72,615
Other amortization	2,884	2,770
Change in deferred income taxes	38,780	42,524
Change in tax credits, net	2,997	2,880
Allowance for equity funds used during construction	(2,775)	(3,937)
Changes in assets and liabilities
Decrease (increase) in accounts receivable	32,253	(10,958)
Increase in accrued unbilled revenues	(4,889)	(32,053)
Decrease (increase) in fuel oil stock	43,974	(35,893)
Increase in materials and supplies	(7,139)	(7,599)
Increase in regulatory assets	(37,586)	(35,476)
Increase (decrease) in accounts payable	(41,234)	5,931
Change in prepaid and accrued income taxes and utility revenue taxes	(38,123)	(21,141)
Contributions to defined benefit pension and other postretirement benefit plans	(40,586)	(52,086)
Other increase in defined benefit pension and other postretirement benefit plans liability	41,575	31,166
Change in other assets and liabilities	(9,419)	(37,942)
Net cash provided by (used in) operating activities	111,702	(21,525)
Cash flows from investing activities
Capital expenditures	(150,251)	(141,618)
Contributions in aid of construction	17,188	26,981
Other	623
Net cash used in investing activities	(132,440)	(114,637)
Cash flows from financing activities
Common stock dividends	(40,789)	(36,522)
Preferred stock dividends of HECO and subsidiaries	(998)	(998)
Proceeds from issuance of long-term debt		417,000
Repayment of long-term debt		(328,500)
Net increase in short-term borrowings from nonaffiliates and affiliate with original maturities of three months or less	53,992	44,242
Other	(9)	(1,929)
Net cash provided by financing activities	12,196	93,293
Net decrease in cash and cash equivalents	(8,542)	(42,869)
Cash and cash equivalents, beginning of period	17,159	48,806
Cash and cash equivalents, end of period	$ 8,617	$ 5,937