XML 43 R27.htm IDEA: XBRL DOCUMENT
v3.20.2

Credit agreements and changes in debt (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2020
Debt Disclosure [Abstract] |
Schedule of Note Purchase Agreements | On May 14, 2020, the Utilities issued, through a private placement pursuant to separate Note Purchase Agreements (the Note Purchase Agreements), the following unsecured senior notes bearing taxable interest (the Notes):
|  | Series 2020A |  | Series 2020B |  | Series 2020C
Aggregate principal amount |  | $80 million |  | $60 million |  | $20 million
Fixed coupon interest rate |  |  |  |  |  |
Hawaiian Electric |  | 3.31% |  | 3.31% |  | 3.96%
Hawaii Electric Light |  | 3.96% |  |  |  |
Maui Electric |  | 3.31% |  | 3.96% |  |
Maturity date |  |  |  |  |  |
Hawaiian Electric |  | 5/1/2030 |  | 5/1/2030 |  | 5/1/2050
Hawaii Electric Light |  | 5/1/2050 |  |  |  |
Maui Electric |  | 5/1/2030 |  | 5/1/2050 |  |
Principal amount by company: |  |  |  |  |  |
Hawaiian Electric |  | $50 million (Green Bond) |  | $40 million |  | $20 million
Hawaii Electric Light |  | $10 million |  | — |  | —
Maui Electric |  | $20 million |  | 20 million |  | —

X
- References No definition available. + Details
Name: | us-gaap_DebtDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
Name: | us-gaap_ScheduleOfDebtTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration