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Consolidated Statements of Changes in Common Stock Equity - HECO - USD ($) $ in Thousands | Total | Retained earnings | Accumulated other comprehensive income (loss) | Hawaiian Electric Company, Inc. and Subsidiaries | Hawaiian Electric Company, Inc. and Subsidiaries Common stock | Hawaiian Electric Company, Inc. and Subsidiaries Premium on capital stock | Hawaiian Electric Company, Inc. and Subsidiaries Retained earnings | Hawaiian Electric Company, Inc. and Subsidiaries Accumulated other comprehensive income (loss)
--- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning balance (in shares) at Dec. 31, 2018 |  |  |  |  | 16,751,000 |  |  |
Beginning balance at Dec. 31, 2018 | $ 2,162,280 | $ 543,623 | $ (50,610) | $ 1,957,641 | $ 111,696 | $ 681,305 | $ 1,164,541 | $ 99
Increase (decrease) in stockholders' equity |  |  |  |  |  |  |  |
Net income for common stock | 217,882 | 217,882 |  | 156,840 |  |  | 156,840 |
Other comprehensive income (loss), net of taxes (benefits) | 30,571 |  | 30,571 | (1,378) |  |  |  | (1,378)
Issuance of common stock, net of expenses (in shares) |  |  |  |  | 297,000 |  |  |
Issuance of common stock, net of expenses | 3,092 |  |  | 35,501 | $ 1,982 | 33,519 |  |
Common stock dividends | (139,463) | (139,463) |  | (101,252) |  |  | (101,252) |
Ending balance (in shares) at Dec. 31, 2019 |  |  |  |  | 17,048,000 |  |  |
Ending balance at Dec. 31, 2019 | 2,280,260 | 622,042 | (20,039) | 2,047,352 | $ 113,678 | 714,824 | 1,220,129 | (1,279)
Increase (decrease) in stockholders' equity |  |  |  |  |  |  |  |
Net income for common stock | 197,824 | 197,824 |  | 169,340 |  |  | 169,340 |
Other comprehensive income (loss), net of taxes (benefits) | 18,775 |  | 18,775 | (1,640) |  |  |  | (1,640)
Issuance of common stock, net of expenses (in shares) |  |  |  |  | 276,000 |  |  |
Issuance of common stock, net of expenses | 3,973 |  |  | 34,000 | $ 1,837 | 32,163 |  |
Common stock dividends | $ (144,096) | (144,096) |  | (107,134) |  |  | (107,134) |
Ending balance (in shares) at Dec. 31, 2020 | 109,181,124 |  |  |  | 17,324,000 |  |  |
Ending balance at Dec. 31, 2020 | $ 2,337,502 | 660,398 | (1,264) | 2,141,918 | $ 115,515 | 746,987 | 1,282,335 | (2,919)
Increase (decrease) in stockholders' equity |  |  |  |  |  |  |  |
Net income for common stock | 246,166 | 246,166 |  | 177,642 |  |  | 177,642 |
Other comprehensive income (loss), net of taxes (benefits) | (51,269) |  | (51,269) | (361) |  |  |  | (361)
Issuance of common stock, net of expenses (in shares) |  |  |  |  | 429,000 |  |  |
Issuance of common stock, net of expenses | 5,027 |  |  | 54,400 | $ 2,861 | 51,539 |  |
Common stock dividends | $ (148,643) | (148,643) |  | (111,700) |  |  | (111,700) |
Ending balance (in shares) at Dec. 31, 2021 | 109,311,785 |  |  |  | 17,753,000 |  |  |
Ending balance at Dec. 31, 2021 | $ 2,390,884 | $ 757,921 | $ (52,533) | $ 2,261,899 | $ 118,376 | $ 798,526 | $ 1,348,277 | $ (3,280)

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