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Maui windstorm and wildfires (Tables) | 3 Months Ended
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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 expenses | 114,808 |  |  | 138,383 |  |  | 24,567 |  |  |  |  |  |  | 30,118 |
Insurance recoveries | (98,613) |  |  | (104,580) |  |  | (9,969) |  |  |  |  |  |  | (12,577) |
Deferral treatment approved by the PUC 1 | (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.

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- Definition Tabular disclosure of the nature and financial statement effect of an event or transaction that is unusual in nature or infrequent in occurrence, or both. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483613/220-20-50-1 + Details
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