<SEC-DOCUMENT>0001209191-20-059131.txt : 20201118
<SEC-HEADER>0001209191-20-059131.hdr.sgml : 20201118
<ACCEPTANCE-DATETIME>20201118164200
ACCESSION NUMBER:		0001209191-20-059131
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20191001
FILED AS OF DATE:		20201118
DATE AS OF CHANGE:		20201118

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HONEYCUTT MILBURN E
		CENTRAL INDEX KEY:			0001205075

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12488
		FILM NUMBER:		201325598

	MAIL ADDRESS:	
		STREET 1:		7 AMBERSTONE DRIVE
		CITY:			SUGARLAND
		STATE:			TX
		ZIP:			77459

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			POWELL INDUSTRIES INC
		CENTRAL INDEX KEY:			0000080420
		STANDARD INDUSTRIAL CLASSIFICATION:	SWITCHGEAR & SWITCHBOARD APPARATUS [3613]
		IRS NUMBER:				880106100
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		8550 MOSLEY DR
		STREET 2:		POST OFFICE BOX 12818
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77075
		BUSINESS PHONE:		7139446900

	MAIL ADDRESS:	
		STREET 1:		8550 MOSLEY DRIVE P O BOX 12818
		STREET 2:		8550 MOSLEY DRIVE P O BOX 12818
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77075

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PROCESS SYSTEMS INC
		DATE OF NAME CHANGE:	19780926
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>doc4a.xml
<DESCRIPTION>FORM 4/A SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2019-10-01</periodOfReport>

    <dateOfOriginalSubmission>2019-10-03</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000080420</issuerCik>
        <issuerName>POWELL INDUSTRIES INC</issuerName>
        <issuerTradingSymbol>POWL</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001205075</rptOwnerCik>
            <rptOwnerName>HONEYCUTT MILBURN E</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>8550 MOSLEY ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77075</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Vice Pres, Corp Controller</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2019-10-01</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2019-10-01</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>733</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>39.07</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>23649</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2019-10-01</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2019-10-01</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2100</value>
                    <footnoteId id="F3"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>38.65</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>25749</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Includes shares that have a time-based vesting provision.</footnote>
        <footnote id="F2">Includes a calculation error correction from previous filing.</footnote>
        <footnote id="F3">Represents time-based RSU awards that will vest in three equal annual installments on the first, second and third anniversaries of October 1, 2019, subject to the Reporting Person's continued employment with the Company.</footnote>
    </footnotes>

    <remarks>This filing corrects a typing error on Item 3, Date of Earliest Transaction.  No other changes.</remarks>

    <ownerSignature>
        <signatureName>Michael W. Metcalf, Power of Attorney for Milburn E. Honeycutt</signatureName>
        <signatureDate>2020-11-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
