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v3.25.1

Electric utility segment - Annual Decoupling Filings Summary (Details) - USD ($) $ in Millions |  | 3 Months Ended
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2025
Regulatory Projects and Legal Obligations [Line Items] |  |
Recovery of COVID-19 related costs | $ 3.2 |
Return of ERP benefit liability | (3.3) |
Net 2025 ARA revenues | (0.1) |
Incremental Performance Incentive Mechanisms (net) |  | $ 5.2
Incremental MPIR/EPRM revenue adjustment |  | (2.3)
Incremental Pilot Process cost recovery |  | (0.9)
Net incremental amount to be collected under the RBA rate tariffs |  | 1.9
Hawaiian Electric, Parent |  |
Regulatory Projects and Legal Obligations [Line Items] |  |
Recovery of COVID-19 related costs | 2.2 |
Return of ERP benefit liability | 0.0 |
Net 2025 ARA revenues | 2.2 |
Incremental Performance Incentive Mechanisms (net) |  | 1.3
Incremental MPIR/EPRM revenue adjustment |  | (1.4)
Incremental Pilot Process cost recovery |  | (0.7)
Net incremental amount to be collected under the RBA rate tariffs |  | (0.8)
Hawaii Electric Light |  |
Regulatory Projects and Legal Obligations [Line Items] |  |
Recovery of COVID-19 related costs | 0.5 |
Return of ERP benefit liability | (1.3) |
Net 2025 ARA revenues | (0.8) |
Incremental Performance Incentive Mechanisms (net) |  | 3.9
Incremental MPIR/EPRM revenue adjustment |  | (0.6)
Incremental Pilot Process cost recovery |  | 0.0
Net incremental amount to be collected under the RBA rate tariffs |  | 3.2
Maui Electric |  |
Regulatory Projects and Legal Obligations [Line Items] |  |
Recovery of COVID-19 related costs | 0.5 |
Return of ERP benefit liability | (2.0) |
Net 2025 ARA revenues | $ (1.4) |
Incremental Performance Incentive Mechanisms (net) |  | 0.0
Incremental MPIR/EPRM revenue adjustment |  | (0.3)
Incremental Pilot Process cost recovery |  | (0.1)
Net incremental amount to be collected under the RBA rate tariffs |  | $ (0.5)

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- Definition Public Utility, Net Receivable Under Tariff + References No definition available. + Details
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- Details
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- Details
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