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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001179881-05-000003.txt : 20050301
<SEC-HEADER>0001179881-05-000003.hdr.sgml : 20050301
<ACCEPTANCE-DATETIME>20050301101919
ACCESSION NUMBER:		0001179881-05-000003
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050228
FILED AS OF DATE:		20050301
DATE AS OF CHANGE:		20050301

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CMS ENERGY CORP
		CENTRAL INDEX KEY:			0000811156
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC & OTHER SERVICES COMBINED [4931]
		IRS NUMBER:				382726431
		STATE OF INCORPORATION:			MI
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ONE ENERGY PLAZA
		CITY:			JACKSON
		STATE:			MI
		ZIP:			49201
		BUSINESS PHONE:		5177881031

	MAIL ADDRESS:	
		STREET 1:		ONE ENERGY PLAZA
		CITY:			JACKSON
		STATE:			MI
		ZIP:			49201

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ELWARD THOMAS W
		CENTRAL INDEX KEY:			0001179881

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09513
		FILM NUMBER:		05648281

	BUSINESS ADDRESS:	
		STREET 1:		FAIRLANE PLZ SOUTH
		STREET 2:		330 TOWN CTR DR STE 1100
		CITY:			DEARBORN
		STATE:			MI
		ZIP:			48126
		BUSINESS PHONE:		5177881031

	MAIL ADDRESS:	
		STREET 1:		ONE ENERGY PLAZA
		CITY:			JACKSON
		STATE:			MI
		ZIP:			49201
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-02-28</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000811156</issuerCik>
        <issuerName>CMS ENERGY CORP</issuerName>
        <issuerTradingSymbol>CMS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001179881</rptOwnerCik>
            <rptOwnerName>ELWARD THOMAS W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>CMS ENERGY CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>ONE ENERGY PLAZA</rptOwnerStreet2>
            <rptOwnerCity>JACKSON</rptOwnerCity>
            <rptOwnerState>MI</rptOwnerState>
            <rptOwnerZipCode>49201</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Pres/COO-CMS Enterprises Co</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock (CMS)</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>62500</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock (CMS)</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6977</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>401(k)</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Bonus PSU</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>10.53</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2005-02-28</value>
                <footnoteId id="F2"/>
            </transactionDate>
            <deemedExecutionDate>
                <value>2005-02-28</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>30312</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>10.53</value>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2005-02-28</value>
            </exerciseDate>
            <expirationDate>
                <value>2005-02-28</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock (CMS)</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>30312</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Phantom Stock Units (Salary)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>10.53</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2005-02-28</value>
                <footnoteId id="F3"/>
            </transactionDate>
            <deemedExecutionDate>
                <value>2005-02-28</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F3"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2413</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>10.53</value>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2005-02-28</value>
            </exerciseDate>
            <expirationDate>
                <value>2005-02-28</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock (CMS)</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2413</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Total consists of 62,500 shares of Restricted Stock of which 35,000 shares are nominal.  (The actual number of nominal shares received will be determined by the passage of time and the achievement of performance objectives under CMS Energy Corporation's Performance Incentive Stock Plan.)</footnote>
        <footnote id="F2">These units were held pursuant to the Salaried Employees Merit Program, and were acquired at a price of $8.80 per share on March 24, 2004, upon the mandatory deferral of the Reporting Person's 2003 annual bonus award.  Pursuant to the Program, such units have been settled in cash at a per unit value of $10.53, the market price of the Common Stock of the Corporation on January 31, 2005.</footnote>
        <footnote id="F3">These units were held pursuant to the Salaried Employees Merit Program of CMS Energy Corporation and were acquired on various dates in 2003 at prices ranging from $4.41 to $8.52 per share.  Pursuant to the Plan, such units have been settled in cash at a per unit value of $10.53, the market price of the Common Stock of the Corporation on January 31, 2005.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/MDVanHemert, Attny in Fact</signatureName>
        <signatureDate>2005-03-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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