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Credit agreements and long-term debt | 6 Months Ended
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Jun. 30, 2017
Debt Disclosure [Abstract] |
Credit agreements and long-term debt | Credit agreements and long-term debt Credit agreements. HEI and Hawaiian Electric each entered into a separate agreement with a syndicate of eight financial institutions (the HEI Facility and Hawaiian Electric Facility, respectively, and together, the Facilities), effective July 3, 2017, to amend and restate their respective previously existing revolving unsecured credit agreements. The $150 million HEI Facility extended the term of the facility to June 30, 2022. The $200 million Hawaiian Electric Facility has an initial term that expires on June 29, 2018, but its term will extend to June 30, 2022, if and when approved by the PUC during the initial term. As of June 30, 2017 and December 31, 2016, no amounts were outstanding under the previously existing facilities. The Facilities will be maintained to support each company’s respective short-term commercial paper program, but may be drawn on to meet each company’s respective working capital needs and general corporate purposes. Changes in long-term debt. On June 29, 2017, the Department of Budget and Finance of the State of Hawaii (Department) for the benefit of the Utilities, issued, at par:
| Refunding Series 2017A Special Purpose Revenue Bonds | Refunding Series 2017B Special Purpose Revenue Bonds
Aggregate principal amount | $125 million | $140 million
Fixed coupon interest rate | 3.10% | 4.00%
Maturity date | May 1, 2026 | March 1, 2037
Department loaned the proceeds to: |  |
Hawaiian Electric | $62 million | $100 million
Hawaii Electric Light | $8 million | $20 million
Maui Electric | $55 million | $20 million
Proceeds from the sale were applied to redeem at par bonds previously issued by the Department for the benefit of the Utilities:
| Refunding Series 2007B Special Purpose Revenue Bonds | Series 2007A Special Purpose Revenue Bonds
Aggregate principal amount | $125 million | $140 million
Fixed coupon interest rate | 4.60% | 4.65%
Maturity date | May 1, 2026 | March 1, 2037

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- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. + References Reference 1: 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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20,22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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