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Long-term debt | 12 Months Ended
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Dec. 31, 2011
Long-term debt |
Long-term debt |
8 · 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 |  |
As of December 31, 2011, the aggregate principal payments required on long-term debt for 2012 through 2016 are $65 million in 2012, $50 million in 2013, $111 million in 2014, nil in 2015 and $75 million in 2016.

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- Definition The entire disclosure for long-term debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: 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 + Details
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