-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 AKvA8Z5d7jx6SCZJszzCdBoGEGxetdta8iNepNsK3dIVUZyKTNcI3u5y4svqncwE
 O8kd+IaykObKXhyWNpJF9g==

<SEC-DOCUMENT>0001246360-06-001926.txt : 20060726
<SEC-HEADER>0001246360-06-001926.hdr.sgml : 20060726
<ACCEPTANCE-DATETIME>20060726112919
ACCESSION NUMBER:		0001246360-06-001926
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060725
FILED AS OF DATE:		20060726
DATE AS OF CHANGE:		20060726

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CONSUMERS ENERGY CO
		CENTRAL INDEX KEY:			0000201533
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC & OTHER SERVICES COMBINED [4931]
		IRS NUMBER:				380442310
		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

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CONSUMERS POWER CO
		DATE OF NAME CHANGE:	19920703

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Butler John M
		CENTRAL INDEX KEY:			0001368572

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-05611
		FILM NUMBER:		06980798

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		517-788-1031

	MAIL ADDRESS:	
		STREET 1:		ONE ENERGY PLAZA
		CITY:			JACKSON
		STATE:			MI
		ZIP:			49201
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>form.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2006-07-25</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000201533</issuerCik>
        <issuerName>CONSUMERS ENERGY CO</issuerName>
        <issuerTradingSymbol>CMS.B</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001368572</rptOwnerCik>
            <rptOwnerName>Butler John M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ONE ENERGY PLAZA</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>JACKSON</rptOwnerCity>
            <rptOwnerState>MI</rptOwnerState>
            <rptOwnerZipCode>49201</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>true</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle>Senior Vice President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>$4.16 Preferred Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>$4.50 Preferred Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>Michael D VanHemert</signatureName>
        <signatureDate>2006-07-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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