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Condensed Consolidated Statements of Comprehensive Income (unaudited) - HECO (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Retirement benefit plans:        
Adjustment for amortization of prior service credit and net losses recognized during the period in net periodic benefit cost, tax $ (175) $ (155) $ (351) $ (309)
Reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, tax 167 160 335 319
Hawaiian Electric Company, Inc. and Subsidiaries        
Retirement benefit plans:        
Adjustment for amortization of prior service credit and net losses recognized during the period in net periodic benefit cost, tax (184) (175) (368) (351)
Reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, tax $ 167 $ 160 $ 335 $ 319