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SCHEDULE I - CONDENSED FINANCIAL INFORMATION OF REGISTRANT (Details) (USD $) | Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009 | Dec. 31, 2008
--- | --- | --- | --- | ---
ASSETS |  |  |  |
Cash and cash equivalents | $ 270,265,000 | $ 330,651,000 | $ 503,922,000 | $ 183,435,000
Accounts receivable | 344,322,000 | 266,996,000 |  |
Property, plant and equipment, net | 3,334,501,000 | 3,165,918,000 |  |
Other assets | 517,550,000 | 487,614,000 |  |
Total assets | 9,592,731,000 | 9,085,344,000 |  |
Liabilities |  |  |  |
Accounts payable | 216,176,000 | 202,446,000 |  |
Long-term debt, net | 1,340,070,000 | 1,364,942,000 |  |
Retirement benefits liability | 530,410,000 | 376,994,000 |  |
Other | 516,990,000 | 446,485,000 |  |
Total liabilities | 8,026,489,000 | 7,567,414,000 |  |
Shareholders' equity |  |  |  |
Preferred stock, no par value, authorized 10,000,000 shares; issued: none |  |  |  |
Common stock, no par value, authorized 200,000,000 shares; issued and outstanding: 96,038,328 shares and 94,690,932 shares in 2011 and 2010, respectively | 1,349,446,000 | 1,314,199,000 |  |
Retained earnings | 201,640,000 | 181,910,000 |  |
Accumulated other comprehensive loss | (19,137,000) | (12,472,000) |  |
Total shareholders' equity | 1,531,949,000 | 1,483,637,000 | 1,441,648,000 | 1,389,454,000
Total liabilities and shareholders' equity | 9,592,731,000 | 9,085,344,000 |  |
Aggregate principal payments |  |  |  |
2012 | 65,000,000 |  |  |
2013 | 50,000,000 |  |  |
2014 | 111,000,000 |  |  |
2016 | 75,000,000 |  |  |
Self-insured United States longshore & Harbor bond |  |  |  |
Aggregate principal payments |  |  |  |
Guarantee obligation maximum exposure | 200,000 |  |  |
Self-insured automobile bond |  |  |  |
Aggregate principal payments |  |  |  |
Guarantee obligation maximum exposure | 500,000 |  |  |
HEI medium-term notes 4.23-6.141%, due 2011 |  |  |  |
Liabilities |  |  |  |
Long-term debt, net |  | 150,000,000 |  |
HEI medium-term note 7.13%, due 2012 |  |  |  |
Liabilities |  |  |  |
Long-term debt, net | 7,000,000 | 7,000,000 |  |
HEI medium-term note 5.25%, due 2013 |  |  |  |
Liabilities |  |  |  |
Long-term debt, net | 50,000,000 | 50,000,000 |  |
Shareholders' equity |  |  |  |
Interest rate of medium-term notes (as a percent) | 5.25% |  |  |
HEI medium-term note 6.51%, due 2014 |  |  |  |
Liabilities |  |  |  |
Long-term debt, net | 100,000,000 | 100,000,000 |  |
Shareholders' equity |  |  |  |
Interest rate of medium-term notes (as a percent) | 6.51% |  |  |
HEI senior note 4.41%, due 2016 |  |  |  |
Liabilities |  |  |  |
Long-term debt, net | 75,000,000 |  |  |
HEI senior note 5.67%, due 2021 |  |  |  |
Liabilities |  |  |  |
Long-term debt, net | 50,000,000 |  |  |
Hawaiian Electric Industries, Inc. |  |  |  |
ASSETS |  |  |  |
Cash and cash equivalents | 1,765,000 | 1,540,000 | 2,915,000 | 7,130,000
Accounts receivable | 1,361,000 | 1,773,000 |  |
Property, plant and equipment, net | 6,076,000 | 582,000 |  |
Deferred income tax assets | 14,208,000 | 12,684,000 |  |
Other assets | 7,661,000 | 6,041,000 |  |
Investments in subsidiaries, at equity | 1,902,154,000 | 1,838,679,000 |  |
Total assets | 1,933,225,000 | 1,861,299,000 |  |
Liabilities |  |  |  |
Accounts payable | 3,602,000 | 722,000 |  |
Interest payable | 5,270,000 | 6,826,000 |  |
Notes payable to subsidiaries | 7,019,000 | 6,777,000 |  |
Commercial paper | 68,821,000 | 24,923,000 |  |
Long-term debt, net | 282,000,000 | 307,000,000 |  |
Retirement benefits liability | 26,201,000 | 20,888,000 |  |
Other | 8,363,000 | 10,526,000 |  |
Total liabilities | 401,276,000 | 377,662,000 |  |
Shareholders' equity |  |  |  |
Common stock, no par value, authorized 200,000,000 shares; issued and outstanding: 96,038,328 shares and 94,690,932 shares in 2011 and 2010, respectively | 1,349,446,000 | 1,314,199,000 |  |
Retained earnings | 201,640,000 | 181,910,000 |  |
Accumulated other comprehensive loss | (19,137,000) | (12,472,000) |  |
Total shareholders' equity | 1,531,949,000 | 1,483,637,000 |  |
Total liabilities and shareholders' equity | 1,933,225,000 | 1,861,299,000 |  |
Aggregate principal payments |  |  |  |
2012 | 7,000,000 |  |  |
2013 | 50,000,000 |  |  |
2014 | 100,000,000 |  |  |
2016 | 75,000,000 |  |  |
Hawaiian Electric Industries, Inc. | HEI medium-term notes 4.23-6.141%, due 2011 |  |  |  |
Liabilities |  |  |  |
Long-term debt, net |  | 150,000,000 |  |
Shareholders' equity |  |  |  |
Interest rate of medium-term notes (as a percent) | 4.23% | 4.23% |  |
Hawaiian Electric Industries, Inc. | HEI medium-term note 7.13%, due 2012 |  |  |  |
Liabilities |  |  |  |
Long-term debt, net | 7,000,000 | 7,000,000 |  |
Shareholders' equity |  |  |  |
Interest rate of medium-term notes (as a percent) | 7.13% | 7.13% |  |
Hawaiian Electric Industries, Inc. | HEI medium-term note 5.25%, due 2013 |  |  |  |
Liabilities |  |  |  |
Long-term debt, net | 50,000,000 | 50,000,000 |  |
Shareholders' equity |  |  |  |
Interest rate of medium-term notes (as a percent) | 5.25% | 5.25% |  |
Hawaiian Electric Industries, Inc. | HEI medium-term note 6.51%, due 2014 |  |  |  |
Liabilities |  |  |  |
Long-term debt, net | 100,000,000 | 100,000,000 |  |
Shareholders' equity |  |  |  |
Interest rate of medium-term notes (as a percent) | 6.51% | 6.51% |  |
Hawaiian Electric Industries, Inc. | HEI senior note 4.41%, due 2016 |  |  |  |
Liabilities |  |  |  |
Long-term debt, net | 75,000,000 |  |  |
Shareholders' equity |  |  |  |
Interest rate of medium-term notes (as a percent) | 4.41% |  |  |
Hawaiian Electric Industries, Inc. | HEI senior note 5.67%, due 2021 |  |  |  |
Liabilities |  |  |  |
Long-term debt, net | $ 50,000,000 |  |  |
Shareholders' equity |  |  |  |
Interest rate of medium-term notes (as a percent) | 5.67% |  |  |

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