<SEC-DOCUMENT>0000080420-25-000073.txt : 20250630
<SEC-HEADER>0000080420-25-000073.hdr.sgml : 20250630
<ACCEPTANCE-DATETIME>20250630161845
ACCESSION NUMBER:		0000080420-25-000073
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250626
FILED AS OF DATE:		20250630
DATE AS OF CHANGE:		20250630

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			METCALF MICHAEL WILLIAM
		CENTRAL INDEX KEY:			0001760055
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12488
		FILM NUMBER:		251092292

	MAIL ADDRESS:	
		STREET 1:		8550 MOSLEY ROAD
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77075

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			POWELL INDUSTRIES INC
		CENTRAL INDEX KEY:			0000080420
		STANDARD INDUSTRIAL CLASSIFICATION:	SWITCHGEAR & SWITCHBOARD APPARATUS [3613]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				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
<SEQUENCE>1
<FILENAME>wk-form4_1751314718.xml
<DESCRIPTION>FORM 4
<TEXT>
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        <issuerCik>0000080420</issuerCik>
        <issuerName>POWELL INDUSTRIES INC</issuerName>
        <issuerTradingSymbol>POWL</issuerTradingSymbol>
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            <rptOwnerName>METCALF MICHAEL WILLIAM</rptOwnerName>
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            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>HOUSTON</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77075</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Exec Vice President</officerTitle>
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                    <footnoteId id="F1"/>
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                <transactionPricePerShare>
                    <value>205.77</value>
                    <footnoteId id="F5"/>
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        <nonDerivativeTransaction>
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            <transactionDate>
                <value>2025-06-27</value>
            </transactionDate>
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                <value>2025-06-27</value>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>62</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>206.47</value>
                    <footnoteId id="F6"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>31821</value>
                    <footnoteId id="F3"/>
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                <directOrIndirectOwnership>
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        <nonDerivativeTransaction>
            <securityTitle>
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            <transactionDate>
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            </transactionDate>
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                <value>2025-06-27</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>198</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>207.75</value>
                    <footnoteId id="F7"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <postTransactionAmounts>
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                    <value>31623</value>
                    <footnoteId id="F3"/>
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            </securityTitle>
            <transactionDate>
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                <value>2025-06-27</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>210</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>208.98</value>
                    <footnoteId id="F8"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>31413</value>
                    <footnoteId id="F3"/>
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        <nonDerivativeTransaction>
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            </securityTitle>
            <transactionDate>
                <value>2025-06-27</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2025-06-27</value>
            </deemedExecutionDate>
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                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>344</value>
                    <footnoteId id="F1"/>
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                <transactionPricePerShare>
                    <value>210</value>
                    <footnoteId id="F9"/>
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                    <value>D</value>
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                <directOrIndirectOwnership>
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        <nonDerivativeTransaction>
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            </securityTitle>
            <transactionDate>
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            </transactionDate>
            <deemedExecutionDate>
                <value>2025-06-27</value>
            </deemedExecutionDate>
            <transactionCoding>
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                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>124</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>211.11</value>
                    <footnoteId id="F10"/>
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                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>510</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
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                    <footnoteId id="F11"/>
                </transactionPricePerShare>
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                    <footnoteId id="F3"/>
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                <directOrIndirectOwnership>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
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            </securityTitle>
            <transactionDate>
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            </transactionDate>
            <deemedExecutionDate>
                <value>2025-06-27</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>495</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>213.06</value>
                    <footnoteId id="F12"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>29940</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-06-27</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2025-06-27</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>708</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>214.41</value>
                    <footnoteId id="F13"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>29232</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-06-27</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2025-06-27</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>277</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>215.38</value>
                    <footnoteId id="F14"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>28955</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
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            </transactionDate>
            <deemedExecutionDate>
                <value>2025-06-27</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>55</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>216.82</value>
                    <footnoteId id="F15"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>28900</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 26, 2024.</footnote>
        <footnote id="F2">The price reported in Column 4 is an average price; shares were sold in multiple transactions.  Reporting range is $200.00-200.20, inclusive.  Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities &amp; Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.</footnote>
        <footnote id="F3">Includes shares that have a time-based vesting provision.</footnote>
        <footnote id="F4">The price reported in Column 4 is an average price; shares were sold in multiple transactions.  Reporting range is $204.22-205.01, inclusive.  Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities &amp; Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.</footnote>
        <footnote id="F5">The price reported in Column 4 is an average price; shares were sold in multiple transactions.  Reporting range is $205.26-206.01, inclusive.  Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities &amp; Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.</footnote>
        <footnote id="F6">The price reported in Column 4 is an average price; shares were sold in multiple transactions.  Reporting range is $206.28-206.75, inclusive.  Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities &amp; Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.</footnote>
        <footnote id="F7">The price reported in Column 4 is an average price; shares were sold in multiple transactions.  Reporting range is $207.52-208.32, inclusive.  Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities &amp; Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.</footnote>
        <footnote id="F8">The price reported in Column 4 is an average price; shares were sold in multiple transactions.  Reporting range is $208.54-209.35, inclusive.  Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities &amp; Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.</footnote>
        <footnote id="F9">The price reported in Column 4 is an average price; shares were sold in multiple transactions.  Reporting range is $209.73-210.64, inclusive.  Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities &amp; Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.</footnote>
        <footnote id="F10">The price reported in Column 4 is an average price; shares were sold in multiple transactions.  Reporting range is $210.84-211.50, inclusive.  Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities &amp; Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.</footnote>
        <footnote id="F11">The price reported in Column 4 is an average price; shares were sold in multiple transactions.  Reporting range is $211.87-212.82, inclusive.  Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities &amp; Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.</footnote>
        <footnote id="F12">The price reported in Column 4 is an average price; shares were sold in multiple transactions.  Reporting range is $212.97-213.51, inclusive.  Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities &amp; Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.</footnote>
        <footnote id="F13">The price reported in Column 4 is an average price; shares were sold in multiple transactions.  Reporting range is $213.98-214.90, inclusive.  Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities &amp; Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.</footnote>
        <footnote id="F14">The price reported in Column 4 is an average price; shares were sold in multiple transactions.  Reporting range is $215.18-216.00, inclusive.  Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities &amp; Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.</footnote>
        <footnote id="F15">The price reported in Column 4 is an average price; shares were sold in multiple transactions.  Reporting range is $216.69-216.96, inclusive.  Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities &amp; Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Michael W. Metcalf</signatureName>
        <signatureDate>2025-06-27</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
