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Credit agreement - HECO Credit agreement (Tables) - HECO | 9 Months Ended
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Sep. 30, 2013
Debt Disclosure [Abstract] |
Subsequent event changes in long-term debt | Subsequent event-changes in long-term debt. On October 3, 2013, Hawaiian Electric, Maui Electric and Hawaii Electric Light each entered into its separate note purchase agreement with various purchasers of their taxable unsecured senior notes (Notes) with an aggregate principal amount of $236 million. The Utilities issued through a private placement the following series of Notes:
Amount | Series | Maturity
Hawaiian Electric Notes |  |
$40 million1 | 4.45% Senior Notes, Series 2013A | December 1, 2022
$50 million1 | 4.84% Senior Notes, Series 2013B | October 1, 2027
$50 million2 | 5.65% Senior Notes, Series 2013C | October 1, 2043
$140 million | Total |
Maui Electric Notes |  |
$20 million1 | 4.84% Senior Notes, Series 2013A | October 1, 2027
$20 million2 | 5.65% Senior Notes, Series 2013B | October 1, 2043
$40 million | Total |
Hawaii Electric Light Notes |  |
$14 million1 | 3.83% Senior Notes, Series 2013A | July 1, 2020
$12 million1 | 4.45% Senior Notes, Series 2013B | December 1, 2022
$30 million1 | 4.84% Senior Notes, Series 2013C | October 1, 2027
$56 million | Total |
1 Proceeds were used in October 2013 to redeem the following special purpose revenue bonds (SPRBs) and refunding SPRBs issued by the Department of Budget and Finance of the State of Hawaii for the benefit of the Utilities with an aggregate principle amount of $166 million:
Series | Year of maturity
4.75% Refunding Series 2003A Bonds | 2020
5.00% Refunding Series 2003B Bonds | 2022
5.65% Series 1997A Bonds | 2027
2 Proceeds were and/or will be used by the respective utility to finance their capital expenditures and/or for the reimbursement of funds used for the payment of capital expenditures.

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- Definition Tabular disclosure of significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, losses resulting from fire or flood, losses on receivables, significant realized and unrealized gains and losses that result from changes in quoted market prices of securities, declines in market prices of inventory, changes in authorized or issued debt (SEC), significant foreign exchange rate changes, substantial loans to insiders or affiliates, significant long-term investments, and substantial dividends not in the ordinary course of business. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 11 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 855 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662 + Details
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