Consolidated Balance Sheets - HECO (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Other long-term assets
Total assets	$ 10,429,012	$ 10,149,132
Capitalization
Retained earnings	247,568	216,804
Accumulated other comprehensive loss, net of income tax benefits-retirement benefit plans	(34,402)	(36,424)
Cumulative preferred stock - not subject to mandatory redemption	0	0
Commitments and contingencies (Note 5)
Current liabilities
Interest and preferred dividends payable	27,232	26,258
Deferred credits and other liabilities
Deferred income taxes	493,662	439,329
Contributions in aid of construction	425,916	405,520
Total liabilities and shareholders' equity	10,429,012	10,149,132
Hawaiian Electric Company, Inc. and Subsidiaries
Utility plant, at cost
Land	51,834	51,568
Plant and equipment	5,593,801	5,364,400
Less accumulated depreciation	(2,093,575)	(2,040,789)
Construction in progress	151,077	151,378
Net utility plant	3,703,137	3,526,557
Current assets
Cash and cash equivalents	25,185	17,159
Customer accounts receivable, net	187,704	210,779
Accrued unbilled revenues, net	139,901	134,298
Other accounts receivable, net	9,174	28,176
Fuel oil stock, at average cost	137,087	161,419
Materials and supplies, at average cost	59,434	51,085
Prepayments and other	45,376	32,865
Regulatory assets	45,723	51,267
Total current assets	649,584	687,048
Other long-term assets
Regulatory assets	844,696	813,329
Unamortized debt expense	9,674	10,554
Other	62,667	71,305
Total other long-term assets	917,037	895,188
Total assets	5,269,758	5,108,793
Capitalization
Common stock ($6 2/3 par value, authorized 50,000,000 shares; outstanding 14,665,264 shares)	97,788	97,788
Premium on capital stock	468,045	468,045
Retained earnings	937,029	907,273
Accumulated other comprehensive loss, net of income tax benefits-retirement benefit plans	(918)	(970)
Common stock equity	1,501,944	1,472,136
Cumulative preferred stock - not subject to mandatory redemption	34,293	34,293
Long-term debt, net	1,147,880	1,147,872
Total capitalization	2,684,117	2,654,301
Commitments and contingencies (Note 5)
Current liabilities
Short-term borrowings from non-affiliates	73,246	0
Accounts payable	180,957	186,824
Interest and preferred dividends payable	22,397	21,092
Taxes accrued	233,453	251,066
Other	78,534	62,879
Total current liabilities	588,587	521,861
Deferred credits and other liabilities
Deferred income taxes	478,601	417,611
Regulatory liabilities	329,131	322,074
Unamortized tax credits	71,038	66,584
Defined benefit pension and other postretirement benefit plans liability	596,240	620,205
Other	96,128	100,637
Total deferred credits and other liabilities	1,571,138	1,527,111
Contributions in aid of construction	425,916	405,520
Total liabilities and shareholders' equity	$ 5,269,758	$ 5,108,793