<?xml version="1.0"?>
<ownershipDocument>

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    <documentType>4</documentType>

    <periodOfReport>2012-02-07</periodOfReport>

    <issuer>
        <issuerCik>0000783325</issuerCik>
        <issuerName>WISCONSIN ENERGY CORP</issuerName>
        <issuerTradingSymbol>WEC</issuerTradingSymbol>
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            <rptOwnerName>BOWLES BARBARA L</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
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            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MILWAUKEE,</rptOwnerCity>
            <rptOwnerState>WI</rptOwnerState>
            <rptOwnerZipCode>53203</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
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            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

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    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Includes shares acquired pursuant to a dividend reinvestment feature of Wisconsin Energy Corporation's Stock Plus Investment Plan in transactions exempt from Section 16 pursuant to Rule 16a-11.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Joshua M. Erickson, as Attorney-in-Fact</signatureName>
        <signatureDate>2012-02-09</signatureDate>
    </ownerSignature>
</ownershipDocument>
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X0304
4
2012-02-07
0000783325
WISCONSIN ENERGY CORP
WEC
0001034439
BOWLES BARBARA L
231 WEST MICHIGAN STREET
MILWAUKEE,
WI
53203
1
0
0
0
Common Stock
2012-02-07
4
S
0
100
34.9002
D
35258.7558
D
Common Stock
2012-02-07
4
S
0
100
34.9003
D
35158.7558
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Common Stock
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4
S
0
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34.9007
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35058.7558
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Common Stock
2012-02-07
4
S
0
100
34.9009
D
34958.7558
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Common Stock
2012-02-07
4
S
0
500
34.91
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Common Stock
2012-02-07
4
S
0
100
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Common Stock
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S
0
100
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34258.7558
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Common Stock
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4
S
0
800
34.93
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Common Stock
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4
S
0
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33258.7558
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Common Stock
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4
S
0
100
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Common Stock
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S
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Common Stock
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Common Stock
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S
0
100
34.9475
D
32158.7558
D
Common Stock
2012-02-07
4
S
0
1700
34.95
D
30458.7558
D
Common Stock
2012-02-07
4
S
0
100
34.9501
D
30358.7558
D
Includes shares acquired pursuant to a dividend reinvestment feature of Wisconsin Energy Corporation's Stock Plus Investment Plan in transactions exempt from Section 16 pursuant to Rule 16a-11.
/s/ Joshua M. Erickson, as Attorney-in-Fact
2012-02-09