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Consolidated Statements of Income - HECO (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009
Operating expenses |  |  |
Purchased power | $ 690,000 |  |
Income taxes | 0 | 67,822 | 43,923
Other income (deductions) |  |  |
Allowance for equity funds used during construction | 5,964 | 6,016 | 12,222
Interest and other charges |  |  |
Allowance for borrowed funds used during construction | (2,498) | (2,558) | (5,268)
Net income | 140,120 | 115,425 | 84,901
Preferred stock dividends of subsidiaries | 1,890 | 1,890 | 1,890
Net income for common stock | 138,230 | 113,535 | 83,011
Hawaiian Electric Company, Inc. and Subsidiaries |  |  |
Operating revenues | 2,973,764 | 2,367,441 | 2,026,672
Operating expenses |  |  |
Fuel oil | 1,265,126 | 900,408 | 671,970
Purchased power | 689,652 | 548,800 | 499,804
Other operation | 257,065 | 251,027 | 248,515
Maintenance | 121,219 | 127,487 | 107,531
Depreciation | 142,975 | 149,708 | 144,533
Taxes, other than income taxes | 276,504 | 222,117 | 191,699
Income taxes | 65,988 | 48,053 | 48,212
Total operating expenses | 2,818,529 | 2,247,600 | 1,912,264
Operating income | 155,235 | 119,841 | 114,408
Other income (deductions) |  |  |
Allowance for equity funds used during construction | 5,964 | 6,016 | 12,222
Impairment of utility plant | (5,496) |  |
Other, net | 3,811 | 11,679 | 7,487
Total other income (deductions) | 4,279 | 17,695 | 19,709
Interest and other charges |  |  |
Interest on long-term debt | 57,532 | 57,532 | 51,820
Amortization of net bond premium and expense | 3,081 | 2,975 | 3,254
Other interest charges | (582) | 1,003 | 2,870
Allowance for borrowed funds used during construction | (2,498) | (2,558) | (5,268)
Total interest and other charges | 57,533 | 58,952 | 52,676
Net income | 101,981 | 78,584 | 81,441
Preferred stock dividends of subsidiaries | 915 | 915 | 915
Net income attributable to HECO | 101,066 | 77,669 | 80,526
Preferred stock dividends of HECO | 1,080 | 1,080 | 1,080
Net income for common stock | $ 99,986 | $ 76,589 | $ 79,446

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- Definition The amount of purchased power charged against earnings for the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(b)) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
Name: | us-gaap_UtilitiesOperatingExpensePurchasedPower
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration