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Maui windstorm and wildfires (Tables)
 3 Months Ended
Mar. 31, 2024
Unusual or Infrequent Items, or Both [Abstract]  
Schedule of Windstorm and Wildfire Expenses
Year ended December 31, 2023
Three months ended
March 31, 2024
(in thousands)
Electric utility
HEI Consolidated
Electric utility
HEI Consolidated
Maui windstorm and wildfires related expenses:
Legal expenses$24,737 $34,876 $10,735 $15,027 
One ‘Ohana Initiative contribution
75,000 75,000 — — 
Other expense
15,071 28,507 13,832 15,091 
Total Maui windstorm and wildfires related expenses114,808 138,383 24,567 30,118 
Insurance recoveries
(98,613)(104,580)(9,969)(12,577)
Deferral treatment approved by the PUC1
(14,692)(14,692)(7,898)(7,898)
Total Maui windstorm and wildfires related expenses, net of insurance recoveries and approved deferral treatment$1,503 $19,111 $6,700 $9,643 
1    Related to the PUC’s order, received on December 27, 2023, approving deferred accounting treatment for the Utilities’ incremental non-labor expenses related to the August 2023 Maui windstorm and wildfires. Amounts were reclassified to a regulatory asset.