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Shareholders' equity | 6 Months Ended
--- | ---
Jun. 30, 2024
Equity [Abstract] |
Shareholders' equity | Shareholders' equity Accumulated other comprehensive income/(loss). Changes in the balances of each component of accumulated other comprehensive income/(loss) (AOCI) were as follows:
| HEI Consolidated |  | Hawaiian Electric Consolidated
(in thousands) | Net unrealized gains (losses) on securities |  | Unrealized gains (losses) on derivatives |  | Retirement benefit plans |  | AOCI |  | AOCI-Retirement benefit plans
Balance, December 31, 2023 | $ | (282,963) |  |  | $ | 1,638 |  |  | $ | (8,025) |  |  | $ | (289,350) |  |  | $ | 2,849 |
Current period other comprehensive income (loss) | (8,901) |  |  | 670 |  |  | 24 |  |  | (8,207) |  |  | (95) |
Balance, June 30, 2024 | $ | (291,864) |  |  | $ | 2,308 |  |  | $ | (8,001) |  |  | $ | (297,557) |  |  | $ | 2,754 |
Balance, December 31, 2022 | $ | (328,904) |  |  | $ | 1,991 |  |  | $ | (9,115) |  |  | $ | (336,028) |  |  | $ | 2,861 |
Current period other comprehensive income (loss) | 12,987 |  |  | (245) |  |  | 137 |  |  | 12,879 |  |  | (89) |
Balance, June 30, 2023 | $ | (315,917) |  |  | $ | 1,746 |  |  | $ | (8,978) |  |  | $ | (323,149) |  |  | $ | 2,772 |
Reclassifications out of AOCI were as follows:
|  | Amount reclassified from AOCI |  | Affected line item in the Statements of Income / Balance Sheets
|  | Three months ended June 30 |  | Six months ended June 30 |
(in thousands) |  | 2024 |  | 2023 |  | 2024 |  | 2023 |
HEI consolidated |  |  |  |  |  |  |  |  |  |
Amortization of unrealized holding losses on held-to-maturity securities |  | $ | 3,288 |  |  | $ | 3,689 |  |  | $ | 6,374 |  |  | $ | 7,366 |  |  | Bank revenues
Net realized gains on derivatives qualifying as cash flow hedges |  | (51) |  |  | (48) |  |  | (99) |  |  | (96) |  |  | Interest expense
Retirement benefit plans: |  |  |  |  |  |  |  |  |  |
Amortization of prior service credit and net gains recognized during the period in net periodic benefit cost |  | (445) |  |  | (357) |  |  | (894) |  |  | (714) |  |  | See Note 9 for additional details
Impact of D&Os of the PUC included in regulatory assets |  | 459 |  |  | 426 |  |  | 918 |  |  | 851 |  |  | See Note 9 for additional details
Total reclassifications |  | $ | 3,251 |  |  | $ | 3,710 |  |  | $ | 6,299 |  |  | $ | 7,407 |  |  |
Hawaiian Electric consolidated |  |  |  |  |  |  |  |
Retirement benefit plans: |  |  |  |  |  |  |  |  |  |
Amortization of prior service credit and net gains recognized during the period in net periodic benefit cost |  | $ | (505) |  |  | $ | (470) |  |  | $ | (1,013) |  |  | $ | (940) |  |  | See Note 9 for additional details
Impact of D&Os of the PUC included in regulatory assets |  | 459 |  |  | 426 |  |  | 918 |  |  | 851 |  |  | See Note 9 for additional details
Total reclassifications |  | $ | (46) |  |  | $ | (44) |  |  | $ | (95) |  |  | $ | (89) |  |  |

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