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Quarterly information (unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2011
Quarterly information (unaudited) |
Schedule of selected quarterly information |
|  | Quarters ended |  | Years ended |
(in thousands, except per share amounts) |  | March 31 |  | June 30 |  | Sept. 30 |  | Dec. 31 |  | December 31 |
2011 |  |  |  |  |  |  |  |  |  |  |
Revenues 1 |  | $710,633 |  | $794,319 |  | $886,355 |  | $851,028 |  | $3,242,335 |
Operating income |  | 63,375 |  | 63,661 |  | 94,490 |  | 68,170 |  | 289,696 |
Net income for common stock 1 |  | 28,462 |  | 27,139 |  | 48,404 |  | 34,225 |  | 138,230 |
Basic earnings per common share 2 |  | 0.30 |  | 0.28 |  | 0.50 |  | 0.36 |  | 1.45 |
Diluted earnings per common share 3 |  | 0.30 |  | 0.28 |  | 0.50 |  | 0.36 |  | 1.44 |
Dividends per common share |  | 0.31 |  | 0.31 |  | 0.31 |  | 0.31 |  | 1.24 |
Market price per common share 4 |  |  |  |  |  |  |  |  |  |  |
High |  | 26.40 |  | 26.38 |  | 24.95 |  | 26.79 |  | 26.79 |
Low |  | 22.79 |  | 23.25 |  | 20.59 |  | 22.91 |  | 20.59 |
2010 |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $619,040 |  | $655,664 |  | $694,541 |  | $695,737 |  | $2,664,982 |
Operating income |  | 60,707 |  | 63,631 |  | 72,631 |  | 59,242 |  | 256,211 |
Net income for common stock 5 |  | 27,126 |  | 29,262 |  | 32,449 |  | 24,698 |  | 113,535 |
Basic earnings per common share 2 |  | 0.29 |  | 0.31 |  | 0.35 |  | 0.26 |  | 1.22 |
Diluted earnings per common share 3 |  | 0.29 |  | 0.31 |  | 0.35 |  | 0.26 |  | 1.21 |
Dividends per common share |  | 0.31 |  | 0.31 |  | 0.31 |  | 0.31 |  | 1.24 |
Market price per common share 4 |  |  |  |  |  |  |  |  |  |  |
High |  | 23.01 |  | 24.04 |  | 24.99 |  | 23.41 |  | 24.99 |
Low |  | 18.63 |  | 21.07 |  | 22.04 |  | 21.77 |  | 18.63 |
1 In the fourth quarter of 2011, HECO recorded an adjustment of $6 million to revenues related to the third quarter of 2011, which decreased net income for the fourth quarter of 2011 by $3 million. Also, in the fourth quarter of 2011, HECO recorded an impairment charge of $6 million (net of taxes) of a transmission project. 2 The quarterly basic earnings per common share are based upon the weighted-average number of shares of common stock outstanding in each quarter. 3 The quarterly diluted earnings per common share are based upon the weighted-average number of shares of common stock outstanding in each quarter plus the dilutive incremental shares at quarter end. 4 Market prices of HEI common stock (symbol HE) shown are as reported on the NYSE Composite Tape. 5 The fourth quarter of 2010 includes $6 million of interest income (net of taxes) at the utilities due to a federal tax settlement and $2 million of taxes for the write-off of a deferred tax asset due to the expiration of a capital loss carryforward period.

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- Definition Tabular disclosure of the quarterly financial data in the annual financial statements. The disclosure includes financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income (loss) before extraordinary items and cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 270 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph (a)-(j) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6952194&loc=d3e1280-108306 + Details
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