<SEC-DOCUMENT>0001822966-22-000020.txt : 20220711
<SEC-HEADER>0001822966-22-000020.hdr.sgml : 20220711
<ACCEPTANCE-DATETIME>20220711154915
ACCESSION NUMBER:		0001822966-22-000020
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20220708
FILED AS OF DATE:		20220711
DATE AS OF CHANGE:		20220711

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Mundy Thomas P
		CENTRAL INDEX KEY:			0001927292

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39736
		FILM NUMBER:		221076892

	MAIL ADDRESS:	
		STREET 1:		6550 SW REDWOOD LANE
		STREET 2:		SUITE 210
		CITY:			PORTLAND
		STATE:			OR
		ZIP:			97224

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NUSCALE POWER Corp
		CENTRAL INDEX KEY:			0001822966
		STANDARD INDUSTRIAL CLASSIFICATION:	HEATING EQUIPMENT, EXCEPT ELECTRIC & WARM AIR FURNACES [3433]
		IRS NUMBER:				852715384
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		6650 SW REDWOOD LANE, SUITE 210
		CITY:			PORTLAND
		STATE:			OR
		ZIP:			97224
		BUSINESS PHONE:		(971) 371-1592

	MAIL ADDRESS:	
		STREET 1:		6650 SW REDWOOD LANE, SUITE 210
		CITY:			PORTLAND
		STATE:			OR
		ZIP:			97224

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SPRING VALLEY ACQUISITION CORP.
		DATE OF NAME CHANGE:	20200828
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_165756894234771.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2022-07-08</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001822966</issuerCik>
        <issuerName>NUSCALE POWER Corp</issuerName>
        <issuerTradingSymbol>SMR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001927292</rptOwnerCik>
            <rptOwnerName>Mundy Thomas P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>6650 SW REDWOOD LANE, SUITE 210</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PORTLAND</rptOwnerCity>
            <rptOwnerState>OR</rptOwnerState>
            <rptOwnerZipCode>97224</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Commercial Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Unit</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2022-07-08</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>98039</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>98039.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>98039</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Each restricted stock unit represents a contingent right to receive one share of Class A Common Stock.</footnote>
        <footnote id="F2">The restricted stock units vest in three annual installments beginning May 2, 2022. All restricted stock units that are not vested and nonforfeitable will be forfeited to the Company upon termination of employment or service.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Patrick C. Cannon, attorney-in-fact for Thomas Mundy</signatureName>
        <signatureDate>2022-07-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
