<SEC-DOCUMENT>0000354707-21-000032.txt : 20210223
<SEC-HEADER>0000354707-21-000032.hdr.sgml : 20210223
<ACCEPTANCE-DATETIME>20210223205414
ACCESSION NUMBER:		0000354707-21-000032
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210219
FILED AS OF DATE:		20210223
DATE AS OF CHANGE:		20210223

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WACKER RICHARD F
		CENTRAL INDEX KEY:			0001233175

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08503
		FILM NUMBER:		21668117

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HAWAIIAN ELECTRIC INDUSTRIES INC
		CENTRAL INDEX KEY:			0000354707
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC SERVICES [4911]
		IRS NUMBER:				990208097
		STATE OF INCORPORATION:			HI
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1001 BISHOP STREET, SUITE 2900
		CITY:			HONOLULU
		STATE:			HI
		ZIP:			96813
		BUSINESS PHONE:		8085435662

	MAIL ADDRESS:	
		STREET 1:		P.O. BOX 730
		CITY:			HONOLULU
		STATE:			HI
		ZIP:			96808-0730
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
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<DESCRIPTION>PRIMARY DOCUMENT
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    <documentType>4</documentType>

    <periodOfReport>2021-02-19</periodOfReport>

    <issuer>
        <issuerCik>0000354707</issuerCik>
        <issuerName>HAWAIIAN ELECTRIC INDUSTRIES INC</issuerName>
        <issuerTradingSymbol>HE</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001233175</rptOwnerCik>
            <rptOwnerName>WACKER RICHARD F</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O P.O. BOX 730</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>HONOLULU</rptOwnerCity>
            <rptOwnerState>HI</rptOwnerState>
            <rptOwnerZipCode>96808-0730</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Pres &amp; CEO, Amer Savings Bank</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
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            <transactionDate>
                <value>2021-02-19</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
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                    <footnoteId id="F1"/>
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                <transactionPricePerShare>
                    <value>0</value>
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                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2021-02-19</value>
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                <transactionFormType>5</transactionFormType>
                <transactionCode>G</transactionCode>
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                <footnoteId id="F4"/>
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                    <value>9938</value>
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                <sharesOwnedFollowingTransaction>
                    <value>88779</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Richard Frederick Wacker Living Trust</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Shares awarded under the 2018-2020 Company's Long-Term Incentive Plan for 2018-2020 performance period.</footnote>
        <footnote id="F2">Closing stock price on February 19, 2021.</footnote>
        <footnote id="F3">Includes accrued dividend equivalents (as denominated in shares of HE common stock) from January 31, 2018 (first RSU grants in 2018) to date.  Dividend equivalents accrue in HE common stock with respect to outstanding RSUs when and as dividends are paid.  Accrued dividend equivalents are denominated in HE common stock and paid upon vesting in shares of HE common stock.</footnote>
        <footnote id="F4">Transfer of shares to trust account.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Sean K. Clark, Atty-in-Fact for Richard F. Wacker</signatureName>
        <signatureDate>2021-02-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</DOCUMENT>
</SEC-DOCUMENT>
