-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001179881-04-000002.txt : 20040121
<SEC-HEADER>0001179881-04-000002.hdr.sgml : 20040121
<ACCEPTANCE-DATETIME>20040121165818
ACCESSION NUMBER:		0001179881-04-000002
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031231
FILED AS OF DATE:		20040121

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:		04535644

	BUSINESS ADDRESS:	
		STREET 1:		FAIRLANE PLZ SOUTH
		STREET 2:		330 TOWN CTR DR STE 1100
		CITY:			DEARBORN
		STATE:			MI
		ZIP:			48126
		BUSINESS PHONE:		3139829354

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:		FAIRLANE PLZ S STE 1100
		STREET 2:		330 TOWN CENTER DR
		CITY:			DEARBORN
		STATE:			MI
		ZIP:			48126
		BUSINESS PHONE:		3134369261

	MAIL ADDRESS:	
		STREET 1:		FAIRLANE PLAZA SOUTH, SUITE 1100
		STREET 2:		330 TOWN CENTER DRIVE
		CITY:			DEARBORN
		STATE:			MI
		ZIP:			48126
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>
    <periodOfReport>2003-12-31</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/CEO-CMS Gen Co</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>
  <nonDerivativeTable>
    <nonDerivativeHolding>
      <securityTitle>
          <value>Common Stock (CMS)</value>
      </securityTitle>
      <postTransactionAmounts>
          <sharesOwnedFollowingTransaction>
              <value>40599</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>6979</value>
          </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
          <directOrIndirectOwnership>
              <value>I</value>
          </directOrIndirectOwnership>
          <natureOfOwnership>
              <value>401(k)</value>
          </natureOfOwnership>
      </ownershipNature>
   </nonDerivativeHolding>
  </nonDerivativeTable>
  <derivativeTable>
    <derivativeHolding>
      <securityTitle>
          <value>Phantom Stock Units (Salary)</value>
      </securityTitle>
      <conversionOrExercisePrice>
              <footnoteId id="F2" />
      </conversionOrExercisePrice>
      <exerciseDate>
              <footnoteId id="F2" />
      </exerciseDate>
      <expirationDate>
              <footnoteId id="F2" />
      </expirationDate>
      <underlyingSecurity>
          <underlyingSecurityTitle>
              <value>Common Stock (CMS)</value>
          </underlyingSecurityTitle>
          <underlyingSecurityShares>
              <value>470</value>
          </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
          <sharesOwnedFollowingTransaction>
              <value>2414</value>
          </sharesOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
          <directOrIndirectOwnership>
              <value>D</value>
          </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeHolding>
  </derivativeTable>
<footnotes>
   <footnote id="F1">Total includes 33,000 shares of Restricted Stock of which 3,000 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 are considered phantom stock 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, and will be settled in either cash or the Corporation's Common Stock, at the Corporation's election, in the first quarter of 2005 based on the price of the Common Stock at that time.</footnote>
</footnotes>
<remarks></remarks>    <ownerSignature>
       <signatureName>/s/MDVanHemert, Attny in Fact</signatureName>
       <signatureDate>2004-01-20</signatureDate>
    </ownerSignature>
</ownershipDocument>

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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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