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Income taxes - Components of Income Taxes Attributable to Net Income for Common Stock (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Federal |  |  |
Current | $ 77,595 | $ 51,455 | $ 23,207
Deferred | (37,410) | (11,689) | (4,215)
Deferred tax credits, net | 4,031 | 4,611 | 10,979
Federal taxes | 44,216 | 44,377 | 29,971
State |  |  |
Current | 11,981 | 12,119 | 8,430
Deferred | 4,914 | 6,290 | 2,509
Deferred tax credits, net | 56 | 21 | 0
State taxes | 16,951 | 18,430 | 10,939
Total | 61,167 | 62,807 | 40,910
Hawaiian Electric Company, Inc. and Subsidiaries |  |  |
Federal |  |  |
Current | 75,118 | 42,794 | 31,950
Deferred | (39,646) | (12,109) | (5,408)
Deferred tax credits, net | 137 | 302 | 1,549
Federal taxes | 35,609 | 30,987 | 28,091
State |  |  |
Current | 15,780 | 4,861 | 3,768
Deferred | (1,769) | 8,279 | 8,559
Deferred tax credits, net | 56 | 21 | 0
State taxes | 14,067 | 13,161 | 12,327
Total | $ 49,676 | $ 44,148 | $ 40,418

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- Definition Amount of current federal tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, current national tax expense (benefit) for non-US (United States of America) jurisdiction. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(1)(Note 1)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 6.I.7) -URI https://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32639-109319 + Details
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