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Shareholders' equity | 12 Months Ended
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Dec. 31, 2022
Equity [Abstract] |
Shareholders' equity |
Note 7 · Shareholders’ equity
Reserved shares. As of December 31, 2022, HEI had reserved a total of 15.3 million shares of common stock for future issuance under the HEI Dividend Reinvestment and Stock Purchase Plan (DRIP), the Hawaiian Electric Industries Retirement Savings Plan (HEIRSP), the ASB 401(k) Plan, the HEI 2011 Nonemployee Director Stock Plan, and the 2010 Equity and Incentive Plan, as amended.’ Accumulated other comprehensive income/(loss). Changes in the balances of each component of 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, 2019 | $ | 2,481 |  |  | $ | (1,613) |  |  | $ | (20,907) |  |  | $ | (20,039) |  |  | $ | (1,279) |
Current period other comprehensive income (loss) and reclassifications, net of taxes | 17,505 |  |  | (1,750) |  |  | 3,020 |  |  | 18,775 |  |  | (1,640) |
Balance, December 31, 2020 | 19,986 |  |  | (3,363) |  |  | (17,887) |  |  | (1,264) |  |  | (2,919) |
Current period other comprehensive income (loss) and reclassifications, net of taxes | (52,023) |  |  | (275) |  |  | 1,029 |  |  | (51,269) |  |  | (361) |
Balance, December 31, 2021 | (32,037) |  |  | (3,638) |  |  | (16,858) |  |  | (52,533) |  |  | (3,280) |
Current period other comprehensive income (loss) and reclassifications, net of taxes | (296,867) |  |  | 5,629 |  |  | 7,743 |  |  | (283,495) |  |  | 6,141 |
Balance, December 31, 2022 | $ | (328,904) |  |  | $ | 1,991 |  |  | $ | (9,115) |  |  | $ | (336,028) |  |  | $ | 2,861 |
Reclassifications out of AOCI were as follows:
|  | Amount reclassified from AOCI |  | Affected line item in the Statement of Income/Balance Sheet
Years ended December 31 |  | 2022 |  | 2021 |  | 2020 |
(in thousands) |  |  |  |  |  |  |  |
HEI consolidated |  |  |  |  |  |  |  |
Net unrealized gains (losses) on available-for sale investment securities: |  |  |  |  |  |  |  |
Net realized gains on securities included in net income |  | $ | — |  |  | $ | (387) |  |  | $ | (1,638) |  |  | Gain on sale of investment securities, net
Amortization of unrealized holding losses on held-to-maturity securities |  | 3,993 |  |  | — |  |  | — |  |  | Bank revenues
Net realized losses on derivatives qualifying as cash flow hedges |  | 172 |  |  | 37 |  |  | — |  |  | Interest expense
Retirement benefit plans: |  |  |  |  |  |  |  |
Amortization of prior service credit and net losses recognized during the period in net periodic benefit cost |  | 19,659 |  |  | 19,253 |  |  | 23,689 |  |  | See Note 10 for additional details
Impact of D&Os of the PUC included in regulatory assets |  | (199,936) |  |  | (171,345) |  |  | 39,860 |  |  | See Note 10 for additional details
Total reclassifications |  | $ | (176,112) |  |  | $ | (152,442) |  |  | $ | 61,911 |  |  |
Hawaiian Electric consolidated |  |  |  |  |  |  |  |
Retirement benefit plans: |  |  |  |  |  |  |  |
Amortization of prior service credit and net losses recognized during the period in net periodic benefit cost |  | $ | 18,884 |  |  | $ | 19,461 |  |  | $ | 21,550 |  |  | See Note 10 for additional details
Impact of D&Os of the PUC included in regulatory assets |  | (199,936) |  |  | (171,345) |  |  | 39,860 |  |  | See Note 10 for additional details
Total reclassifications |  | $ | (181,052) |  |  | $ | (151,884) |  |  | $ | 61,410 |  |  |

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