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Long-term debt (Tables) | 12 Months Ended
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Dec. 31, 2021
Debt Disclosure [Abstract] |
Schedule of long-term debt |
December 31 | 2021 |  | 2020
(dollars in thousands) |  |  |
Long-term debt of Utilities, net of unamortized debt issuance costs 1 | $ | 1,676,402 |  |  | $ | 1,561,302 |
HEI 5.67% senior notes, due 2021 | — |  |  | 50,000 |
HEI 2.99% term loan, due 2022 | 150,000 |  |  | 150,000 |
HEI 3.99% senior notes, due 2023 | 50,000 |  |  | 50,000 |
HEI 4.58% senior notes, due 2025 | 50,000 |  |  | 50,000 |
HEI 4.72% senior notes, due 2028 | 100,000 |  |  | 100,000 |
HEI 2.82% senior notes, due 2028 | 24,000 |  |  | — |
HEI 2.48% senior notes, due 2028 | 30,000 |  |  | — |
HEI 2.98% senior notes, due 2030 | 50,000 |  |  | 50,000 |
HEI 3.15% senior notes, due 2031 | 51,000 |  |  | — |
HEI 2.78% senior notes, due 2031 | 25,000 |  |  | — |
HEI 3.74% senior notes, due 2051 | 20,000 |  |  | — |
Hamakua Energy 4.02% non-recourse notes, due 2030 2 | 52,166 |  |  | 56,030 |
Mauo LIBOR + 1.375% loan, due 2023 3 | 21,702 |  |  | 41,046 |
Mauo 4.90% non-recourse term loan, due 2034 2 | 12,686 |  |  | — |
Kaʻieʻie Waho 2.79% non-recourse loan, due 2031 2 | 12,145 |  |  | 13,000 |
Less unamortized debt issuance costs | (3,164) |  |  | (2,249) |
| $ | 2,321,937 |  |  | $ | 2,119,129 |
1 See components of “Total long-term debt” and unamortized debt issuance costs in Hawaiian Electric and subsidiaries’ Consolidated Statements of Capitalization. 2 Secured by real and personal property of the respective entity. 3 In December 2021, the loan was amended to allow advances through October 5, 2022, in the maximum aggregate principal amount of up to $50.5 million and extended the required paydown of the loan balance to the lesser of (i) $7 million or (ii) the amount of state renewable tax credits not received by October 5, 2022.
Schedule of note purchases and private placements | The following table displays the draw date for the $75 million draw and the required draw date of the remaining $50 million of HEI notes to be issued.
|  | HEI Series 2021A |  | HEI Series 2021B |  | HEI Series 2021C |  | HEI Series 2022A |  | HEI Series 2022B
Aggregate principal amount |  | $30 million |  | $25 million |  | $20 million |  | $30 million |  | $20 million
Fixed coupon interest rate |  | 2.48% |  | 2.78% |  | 3.74% |  | 2.98% |  | 3.94%
Maturity date |  | 12/29/2028 |  | 12/29/2031 |  | 12/29/2051 |  | 11/15/2032 |  | 11/15/2052
Final draw date |  | 12/29/2021 |  | 12/29/2021 |  | 12/29/2021 |  | 11/15/2022 |  | 11/15/2022

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