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Condensed Consolidated Statements of Comprehensive Income (unaudited) - HECO (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Retirement benefit plans:    
Adjustment for amortization of prior service credit and net losses recognized during the period in net periodic benefit cost, tax $ (176) $ (154)
Reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, tax 168 159
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) (176)
Reclassification adjustment for impact of D&Os of the PUC included in regulatory assets, tax $ 168 $ 159