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Long-term debt (Tables) | 12 Months Ended
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Dec. 31, 2011
Long-term debt |
Schedule of long-term debt |
December 31 |  | 2011 |  | 2010 |
(dollars in thousands) |  |  |  |  |  |  |
6.50% Junior Subordinated Deferrable Interest Debentures, Series 2004, due 2034 (see Note 5) |  | $ | 51,546 |  |  | $ | 51,546 |  |
Obligations to the State of Hawaii for the repayment of special purpose revenue bonds issued on behalf of electric utility subsidiaries |  |  |  |  |  |  |
4.75-4.95%, due 2012-2025 |  | 118,500 |  |  | 118,500 |  |
5.00-5.50%, due 2014-2032 |  | 203,400 |  |  | 203,400 |  |
5.65-5.75%, due 2018-2027 |  | 216,000 |  |  | 216,000 |  |
6.15-6.20%, due 2020-2029 |  | 55,000 |  |  | 55,000 |  |
4.60-4.65%, due 2026-2037 |  | 265,000 |  |  | 265,000 |  |
6.50%, due 2039 |  | 150,000 |  |  | 150,000 |  |
|  | 1,007,900 |  |  | 1,007,900 |  |
Less unamortized discount |  | (1,376 | ) |  | (1,504 | ) |
|  | 1,006,524 |  |  | 1,006,396 |  |
HEI medium-term notes 4.23-6.141%, paid in 2011 |  | – |  |  | 150,000 |  |
HEI medium-term note 7.13%, due 2012 |  | 7,000 |  |  | 7,000 |  |
HEI medium-term note 5.25%, due 2013 |  | 50,000 |  |  | 50,000 |  |
HEI medium-term note 6.51%, due 2014 |  | 100,000 |  |  | 100,000 |  |
HEI senior note 4.41%, due 2016 |  | 75,000 |  |  | – |  |
HEI senior note 5.67%, due 2021 |  | 50,000 |  |  | – |  |
|  | $ | 1,340,070 |  |  | $ | 1,364,942 |  |

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- Definition Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21538-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(e),(f)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21521-112644 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644 + Details
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