Public Utilities, Annual Revenue Adjustment Mechanism, Multi-Year Rate Period

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- Definition

Public Utilities, Customer Dividend, Negative Adjustment Percentage

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No definition available.

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- Definition

Public Utilities, Earnings Share Mechanism, Actual Return On Equity, Dead Band Percentage, Above Target Percent

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No definition available.

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- Definition

Public Utilities, Earnings Share Mechanism, Actual Return On Equity, Dead Band Percentage, Below Target Percent

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No definition available.

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- Definition

Public Utilities, Earnings Sharing Mechanism, Actual Earnings, Above Or Below Dead Band

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No definition available.

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- Definition

Public Utilities, Earnings Sharing Mechanism, Actual Return On Equity, Dead Band Percentage Above Or Below Target

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No definition available.

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- Definition

Public Utilities, Earnings Sharing Mechanism, Percentage Sharing For Any Further Difference

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No definition available.

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- Definition

Public Utilities, Earnings Sharing Mechanism, Sharing Between Customers And Utilities, Percentage

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No definition available.

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- Definition

Public Utilities, Exceptional Project Recovery Mechanism, Approved Recovery Amount

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No definition available.

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- Definition

Public Utilities, Exceptional Project Recovery Mechanism, Number Of Projects

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No definition available.

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- Definition

Public Utilities, Exceptional Project Recovery Mechanism, Number Of Projects Approved

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No definition available.

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- Definition

Public Utility, Increase In Proposed Re-Basing

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No definition available.

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- Definition

Public Utilities, Increase In Proposed Re-Basing, First Year

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No definition available.

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- Definition

Public Utilities, Increase In Proposed Re-Basing, Remaining Implemented In Second Year

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No definition available.

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- Definition

Public Utilities, Performance Incentive, Mechanism, (Penalties) Rewards

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No definition available.

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- Definition

Public Utilities, Savings Commitment Liability, Annual Rate

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No definition available.

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- Definition

Public Utilities, Solar Project, Major Project Interim Recovery And Exceptional Project Recovery Mechanism Requested Amount

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No definition available.

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- Definition

-- None. No documentation exists for this element. --

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No definition available.

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- Definition

Percentage of public utility's approved return on equity.

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No definition available.

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- Details

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- Details

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- Details

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- Details

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Electric utility segment - Regulatory Proceedings (Details) $ in Millions		6 Months Ended	12 Months Ended
	Dec. 23, 2020	Jun. 30, 2026 USD ($) project	Dec. 31, 2025 USD ($)	Mar. 06, 2026 USD ($)
Hawaiian Electric Company, Inc. and Subsidiaries
Regulatory Projects and Legal Obligations [Line Items]
Multi-year rate period (in years)	5 years
Public utilities, increase in proposed re-basing				$ 170.0
Proposed re-basing, first year of MRP2				125.0
Proposed re-basing, remaining implemented in second year of MRP2				$ 45.0
Actual return on equity, dead band percentage, above or below target		3.00%
Authorized ROE		9.50%
Actual return on equity, dead band percentage, above target		12.50%
Actual return on equity, dead band percentage, below target		6.50%
Percentage sharing between customers and utilities		0.50
Earnings sharing mechanism, actual earning, above or below dead band		1.50%
Percentage sharing for any further difference		0.90
MPIR and EPRM requested amount		$ 39.3
EPRM approved projects \| project		6
EPRM approved recovery amount		$ 1,410.0
Number of projects \| project		1
Performance incentive mechanism, (penalties) rewards			$ 7.5
Customer dividend, negative adjustment percentage		0.22%
Savings commitment liability, annual rate		$ 6.6
Hawaiian Electric
Regulatory Projects and Legal Obligations [Line Items]
Performance incentive mechanism, (penalties) rewards			0.0
Hawaii Electric Light
Regulatory Projects and Legal Obligations [Line Items]
Performance incentive mechanism, (penalties) rewards			5.4
Maui Electric
Regulatory Projects and Legal Obligations [Line Items]
Performance incentive mechanism, (penalties) rewards			$ 2.1