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v3.22.0.1

Segment financial information (Details) $ in Thousands |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Feb. 02, 2018 MWh MW | Nov. 24, 2017 MW | Sep. 30, 2020 a MW | Dec. 31, 2021 USD ($) MWh MW | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
Segment financial information |  |  |  |  |  |
Revenues |  |  |  | $ 2,850,379 | $ 2,579,775 | $ 2,873,948
Depreciation and amortization |  |  |  | 278,702 | 290,778 | 278,113
Interest expense, net |  |  |  | 99,403 | 99,808 | 109,339
Income (loss) before income taxes |  |  |  | 310,863 | 240,624 | 271,409
Income taxes (benefit) |  |  |  | 62,807 | 40,910 | 51,637
Net income (loss) |  |  |  | 248,056 | 199,714 | 219,772
Preferred stock dividends of subsidiaries |  |  |  | 1,890 | 1,890 | 1,890
Net income for common stock |  |  |  | 246,166 | 197,824 | 217,882
Capital expenditures |  |  |  | 314,524 | 383,895 | 457,520
Assets |  |  |  | 15,822,637 | 15,004,007 | 13,745,251
Electric utility |  |  |  |  |  |
Segment financial information |  |  |  |  |  |
Revenues |  |  |  | 2,539,636 | 2,265,320 | 2,545,942
Depreciation and amortization |  |  |  | 251,206 | 256,479 | 245,362
Interest expense, net |  |  |  | 72,447 | 67,794 | 70,842
Income (loss) before income taxes |  |  |  | 223,785 | 211,753 | 197,140
Income taxes (benefit) |  |  |  | 44,148 | 40,418 | 38,305
Net income (loss) |  |  |  | 179,637 | 171,335 | 158,835
Preferred stock dividends of subsidiaries |  |  |  | 1,995 | 1,995 | 1,995
Net income for common stock |  |  |  | 177,642 | 169,340 | 156,840
Capital expenditures |  |  |  | 292,000 | 350,864 | 419,898
Assets |  |  |  | 6,491,625 | 6,457,373 | 6,388,682
Bank |  |  |  |  |  |
Segment financial information |  |  |  |  |  |
Revenues |  |  |  | 306,398 | 313,511 | 327,917
Depreciation and amortization |  |  |  | 21,124 | 29,349 | 28,675
Interest expense, net |  |  |  | 5,040 | 11,114 | 18,440
Income (loss) before income taxes |  |  |  | 130,559 | 69,271 | 112,034
Income taxes (benefit) |  |  |  | 29,325 | 11,688 | 23,061
Net income (loss) |  |  |  | 101,234 | 57,583 | 88,973
Preferred stock dividends of subsidiaries |  |  |  | 0 | 0 | 0
Net income for common stock |  |  |  | 101,234 | 57,583 | 88,973
Capital expenditures |  |  |  | 11,131 | 12,203 | 24,175
Assets |  |  |  | 9,181,603 | 8,396,533 | 7,233,017
Other |  |  |  |  |  |
Segment financial information |  |  |  |  |  |
Revenues |  |  |  | 4,345 | 944 | 89
Depreciation and amortization |  |  |  | 6,372 | 4,950 | 4,076
Interest expense, net |  |  |  | 21,916 | 20,900 | 20,057
Income (loss) before income taxes |  |  |  | (43,481) | (40,400) | (37,765)
Income taxes (benefit) |  |  |  | (10,666) | (11,196) | (9,729)
Net income (loss) |  |  |  | (32,815) | (29,204) | (28,036)
Preferred stock dividends of subsidiaries |  |  |  | (105) | (105) | (105)
Net income for common stock |  |  |  | (32,710) | (29,099) | (27,931)
Capital expenditures |  |  |  | 11,393 | 20,828 | 13,447
Assets |  |  |  | 149,409 | 150,101 | 123,552
Operating Segments |  |  |  |  |  |
Segment financial information |  |  |  |  |  |
Revenues |  |  |  | 2,850,379 | 2,579,775 | 2,873,948
Operating Segments | Electric utility |  |  |  |  |  |
Segment financial information |  |  |  |  |  |
Revenues |  |  |  | 2,539,589 | 2,265,281 | 2,545,865
Operating Segments | Bank |  |  |  |  |  |
Segment financial information |  |  |  |  |  |
Revenues |  |  |  | 306,398 | 313,511 | 327,917
Operating Segments | Other |  |  |  |  |  |
Segment financial information |  |  |  |  |  |
Revenues |  |  |  | 4,392 | 983 | 166
Intersegment eliminations |  |  |  |  |  |
Segment financial information |  |  |  |  |  |
Revenues |  |  |  | 0 | 0 | 0
Intersegment eliminations | Electric utility |  |  |  |  |  |
Segment financial information |  |  |  |  |  |
Revenues |  |  |  | 47 | 39 | 77
Intersegment eliminations | Bank |  |  |  |  |  |
Segment financial information |  |  |  |  |  |
Revenues |  |  |  | 0 | 0 | 0
Intersegment eliminations | Other |  |  |  |  |  |
Segment financial information |  |  |  |  |  |
Revenues |  |  |  | $ (47) | $ (39) | $ (77)
Hamakua Energy |  |  |  |  |  |
Segment financial information |  |  |  |  |  |
Power produced by power plants (in megawatts) | MW |  | 60 |  | 60 |  |
Mauo, LLC |  |  |  |  |  |
Segment financial information |  |  |  |  |  |
Power produced by power plants (in megawatts) | MW | 8.6 |  |  | 8.6 |  |
Power storage capacity (in megawatt hours) | MWh | 42.3 |  |  | 42.3 |  |
Power purchase agreement term | 15 years |  |  |  |  |
Power purchase agreement extension term | 5 years |  |  |  |  |
Ka‘ie‘ie Waho Company, LLC |  |  |  |  |  |
Segment financial information |  |  |  |  |  |
Photovoltaic system power amount (in megawatts) | MW |  |  | 6 |  |  |
Area of land (in acres) | a |  |  | 20 |  |  |

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