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Credit agreements, long-term debt and changes in long-term debt (Tables)
 9 Months Ended
Sep. 30, 2025
Debt Disclosure [Abstract]  
Schedule of Credit Agreements The following table provides the credit agreement capacity, outstanding and undrawn component as of September 30, 2025 and December 31, 2024.
As of September 30, 2025
As of December 31, 2024
(in millions)
Capacity
Outstanding
Undrawn
Capacity
Outstanding
Undrawn
HEI corporate:
Unsecured revolving line of credit$300 $31 $269 $175 $173 $2 
Hawaiian Electric:
Unsecured revolving line of credit300 — 300 200 166 34 
ABL Facility1
244 — 244 239 — 239 
Borrowing from HEI - standing commitment letter2
75 — 75 75 — 75 
Short-term loan credit facility— — — 50 50 — 
Total Hawaiian Electric
619 — 619 564 216 348 
Total Consolidated HEI2
$844 $31 $813 $664 $389 $275 
1     Borrowing capacity is calculated based on eligible customer accounts receivable balance at the end of each period.
2     $75 million borrowing from HEI - standing commitment letter is eliminated in total consolidated HEI amounts.
Schedule of Long-Term Debt The following table summarizes the long-term debt, net for the Company and Hawaiian Electric as of September 30, 2025 and December 31, 2024.
(in thousands)
September 30, 2025
December 31, 2024
All Other:
HEI 2.48%-6.10% senior notes due 2025-2052
$226,286 $610,000 
Pacific Current subsidiaries nonrecourse debt1
— 122,025 
HEI Revolving Facility SOFR + 2.50%, due 20302
30,500 173,000 
Less unamortized debt issuance costs and debt discount1
(628)(6,681)
Less current portion long-term debt, net of unamortized debt issuance cost and debt discount1
(18,544)(62,171)
All Other long term debt, net
237,614 836,173 
Hawaiian Electric:
Special purpose revenue bonds and unsecured senior notes
2,195,000 1,742,000 
Hawaiian Electric Revolving Facility SOFR + 2.25%, due 20263
— 166,000 
Less unamortized debt issuance costs
(12,467)(6,786)
Less current portion long-term debt, net of unamortized debt issuance cost(124,928)(47,000)
Hawaiian Electric long term debt, net
2,057,605 1,854,214 
HEI Consolidated long term debt, net
$2,295,219 $2,690,387 
1     As of September 30, 2025, Pacific Current subsidiaries debt, current portion of long-term debt, unamortized debt issuance cost and debt discount are included in current liabilities held for sale. See “Assets held for sale-Mahipapa” in Note 3.
2     As of December 31, 2024, the HEI revolving credit facility rate was SOFR + 1.80%, due 2026 to 2027. See “Unsecured revolving line of credit” paragraph above.
3     As of December 31, 2024, the Hawaiian Electric revolving credit facility rate was SOFR + 1.80%, due 2026 to 2027. See “Unsecured revolving line of credit” paragraph above.
Schedule of Debt Instrument Redemption
Year
Percentage
2028103.00%
2029101.50%
2030 and thereafter
100.00%