Public Utilities, Amortization Period For State Investment Tax Credit

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- Definition

Public Utilities, Interim General Rate Increase, Common Equity Capitalization

+ References

No definition available.

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- Definition

Public Utilities, Interim General Rate Increase, Effective Interest Rate Of Return

+ References

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- Definition

Public Utilities, Stipulated Return On Average Common Equity Rate

+ References

No definition available.

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- Definition

Public Utility, General Rate Increase, Maximum Exposure Cap

+ References

No definition available.

+ Details

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- Definition

Public Utility, General Rate Increase, Risk Sharing Percentage, Ratepayer

+ References

No definition available.

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- Definition

Public Utility, General Rate Increase, Risk Sharing Percentage, Utility

+ References

No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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- Definition

The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period.

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Electric utility segment - Most recent rate proceedings (Details) - USD ($) $ in Thousands			6 Months Ended
	Oct. 22, 2020	Jul. 28, 2020	Jun. 30, 2021	Dec. 31, 2020
Regulatory Projects and Legal Obligations [Line Items]
Regulatory assets			$ 767,856	$ 766,708
Unionized Employees Concentration Risk \| Workforce Subject to Collective Bargaining Arrangements Expiring within One Year \| International Brotherhood Of Electrical Workers, AFL-CIO, Local 1260
Regulatory Projects and Legal Obligations [Line Items]
Concentration risk percentage			47.00%
Hawaiian Electric, Parent
Regulatory Projects and Legal Obligations [Line Items]
Common equity capitalization rate	58.00%
Stipulated ROACE rate	9.50%
Effective interest rate of return	7.37%
Hawaii Electric Light
Regulatory Projects and Legal Obligations [Line Items]
Common equity capitalization rate		58.00%
Stipulated ROACE rate		9.50%
Effective interest rate of return		7.52%
Amortization period for state investment tax credit		10 years
Risk sharing percentage, ratepayer		98.00%
Risk sharing percentage, utility		2.00%
Maximum exposure cap		$ 600
Hawaiian Electric Company, Inc. and Subsidiaries
Regulatory Projects and Legal Obligations [Line Items]
Regulatory assets			$ 25,600