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v3.25.2

Credit agreements, long-term debt and changes in long-term debt - Narrative (Details) |  |  |  | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Apr. 09, 2025 USD ($) | May 17, 2024 USD ($) extensionOption | May 14, 2023 USD ($) institution extensionOption | Jun. 30, 2025 USD ($) | Jun. 30, 2024 USD ($) | Dec. 31, 2024 USD ($) | Dec. 30, 2024 USD ($) | Dec. 06, 2024 USD ($) | Jun. 27, 2024 USD ($)
Credit agreement |  |  |  |  |  |  |  |  |
Short-term borrowings from non-affiliates, net |  |  |  | $ 49,312,000 |  | $ 48,623,000 |  |  |
Aggregate principal amount, redeemed |  |  |  | 630,808,000 | $ 9,888,000 |  |  |  |
Revolving Credit Facility |  |  |  |  |  |  |  |  |
Credit agreement |  |  |  |  |  |  |  |  |
Credit agreement |  |  |  | 650,000,000 |  | 664,000,000 |  |  |
Credit agreement, remaining borrowing capacity |  |  |  | 506,000,000 |  | 275,000,000 |  |  |
Hawaiian Electric Company, Inc. and Subsidiaries |  |  |  |  |  |  |  |  |
Credit agreement |  |  |  |  |  |  |  |  |
Aggregate principal amount, redeemed |  |  |  | 123,000,000 | $ 0 |  |  |  |
Hawaiian Electric Company, Inc. and Subsidiaries | Revolving Credit Facility |  |  |  |  |  |  |  |  |
Credit agreement |  |  |  |  |  |  |  |  |
Credit agreement |  |  |  | 550,000,000 |  | 564,000,000 |  |  |
Credit agreement, remaining borrowing capacity |  |  |  | 457,000,000 |  | 348,000,000 |  |  |
Hawaiian Electric Company, Inc. and Subsidiaries | Term Loan |  |  |  |  |  |  |  |  |
Credit agreement |  |  |  |  |  |  |  |  |
Short-term borrowings from non-affiliates, net |  |  |  |  |  |  | $ 50,000,000 |  |
Debt instrument, face amount |  |  |  |  |  |  | $ 50,000,000 |  |
Stated interest rate (as percent) |  |  |  |  |  |  | 7.50% |  |
Hawaiian Electric Facility |  |  |  |  |  |  |  |  |
Credit agreement |  |  |  |  |  |  |  |  |
Credit agreement |  |  | $ 200,000,000 |  |  |  |  |  |
Credit agreement, remaining borrowing capacity |  |  | $ 180,000,000 |  |  |  |  |  |
Hawaiian Electric Facility | Hawaiian Electric Company, Inc. and Subsidiaries |  |  |  |  |  |  |  |  |
Credit agreement |  |  |  |  |  |  |  |  |
Number of extension options | extensionOption |  |  | 2 |  |  |  |  |  |
Extension period |  |  | 1 year |  |  |  |  |  |
Hawaiian Electric Facility | Hawaiian Electric Company, Inc. and Subsidiaries | Letter of Credit |  |  |  |  |  |  |  |  |
Credit agreement |  |  |  |  |  |  |  |  |
Credit agreement |  |  |  |  |  |  |  | $ 75,000,000 |
Credit Facilities | Hawaiian Electric Company, Inc. and Subsidiaries |  |  |  |  |  |  |  |  |
Credit agreement |  |  |  |  |  |  |  |  |
Number of financial institutions with extended termination date | institution |  |  | 8 |  |  |  |  |  |
Number of financial institutions | institution |  |  | 9 |  |  |  |  |  |
HEI Facility |  |  |  |  |  |  |  |  |
Credit agreement |  |  |  |  |  |  |  |  |
Credit agreement |  |  | $ 175,000,000 |  |  |  |  |  |
Credit agreement, remaining borrowing capacity |  |  | $ 157,000,000 |  |  |  |  |  |
ABL Credit Facility Agreement | Hawaiian Electric Company, Inc. and Subsidiaries | Revolving Credit Facility |  |  |  |  |  |  |  |  |
Credit agreement |  |  |  |  |  |  |  |  |
Credit agreement |  |  |  | 225,000,000 |  | 239,000,000 |  |  |
Credit agreement, remaining borrowing capacity |  |  |  | 225,000,000 |  | $ 239,000,000 |  |  |
ABL Credit Facility Agreement | Hawaiian Electric Company, Inc. and Subsidiaries | Revolving Credit Facility | Line of credit facility |  |  |  |  |  |  |  |  |
Credit agreement |  |  |  |  |  |  |  |  |
Number of extension options | extensionOption |  | 3 |  |  |  |  |  |  |
Extension period |  | 1 year |  |  |  |  |  |  |
Credit agreement |  | $ 250,000,000 |  |  |  |  |  |  |
Credit agreement, remaining borrowing capacity |  |  |  | $ 225,000,000 |  |  |  |  |
Credit facility period |  | 364 days |  |  |  |  |  |  |
Automatic extension expiration period |  | 3 years |  |  |  |  |  |  |
Short-term borrowings from non-affiliates, net |  |  |  |  |  |  |  |  | $ 250,000,000
HEI Private Placement |  |  |  |  |  |  |  |  |
Credit agreement |  |  |  |  |  |  |  |  |
Aggregate principal amount, redeemed | $ 384,000,000 |  |  |  |  |  |  |  |
Interest accrued | $ 5,000,000 |  |  |  |  |  |  |  |

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