<SEC-DOCUMENT>0001127602-13-024195.txt : 20130802
<SEC-HEADER>0001127602-13-024195.hdr.sgml : 20130802
<ACCEPTANCE-DATETIME>20130802115043
ACCESSION NUMBER:		0001127602-13-024195
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20130729
FILED AS OF DATE:		20130802
DATE AS OF CHANGE:		20130802

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ALLIANT ENERGY CORP
		CENTRAL INDEX KEY:			0000352541
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC & OTHER SERVICES COMBINED [4931]
		IRS NUMBER:				391380265
		STATE OF INCORPORATION:			WI
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		4902 NORTH BILTMORE LANE
		STREET 2:		SUITE 1000
		CITY:			MADISON
		STATE:			WI
		ZIP:			53718-2148
		BUSINESS PHONE:		608-458-3311

	MAIL ADDRESS:	
		STREET 1:		4902 NORTH BILTMORE LANE
		STREET 2:		SUITE 1000
		CITY:			MADISON
		STATE:			WI
		ZIP:			53718-2148

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INTERSTATE ENERGY CORP
		DATE OF NAME CHANGE:	19980427

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	WPL HOLDINGS INC
		DATE OF NAME CHANGE:	19920703

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Whiting Susan D
		CENTRAL INDEX KEY:			0001343070

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09894
		FILM NUMBER:		131005375

	MAIL ADDRESS:	
		STREET 1:		C/O NETRATINGS, INC.
		STREET 2:		120 WEST 45TH STREET, 35TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10036
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>form3.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2013-07-29</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000352541</issuerCik>
        <issuerName>ALLIANT ENERGY CORP</issuerName>
        <issuerTradingSymbol>LNT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001343070</rptOwnerCik>
            <rptOwnerName>Whiting Susan D</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>PO BOX 14720</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MADISON</rptOwnerCity>
            <rptOwnerState>WI</rptOwnerState>
            <rptOwnerZipCode>53708-0720</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common In Street</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>100</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes></footnotes>

    <ownerSignature>
        <signatureName>/s/ F. J. Buri, by Power of Attorney</signatureName>
        <signatureDate>2013-08-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>doc1.txt
<DESCRIPTION>POWER OF ATTORNEY (PUBLIC): POA WHITING
<TEXT>
POWER OF ATTORNEY



	KNOW ALL PERSONS BY THESE PRESENTS,
that the undersigned does hereby constitute and appoint
each of F. J. Buri, Jake C. Blavat and Karen Nelson
the true and lawful agents and attorneys-in-fact of
the undersigned, with respect to all matters arising
inn connection with the undersigned?s reporting
obligations under Section 16(a) of the Securities
 Exchange Act of 1934 (the ?Exchange Act?) as
amended, and related rules and regulations, with
full power and authority to execute and deliver for
and on behalf of the undersigned all Securities and
Exchange Commission Forms 3, 4, 5 and other
documents in connection therewith regarding
Alliant Energy Corporation, Interstate Power and
Light Company, and Wisconsin Power and Light
Company securities, as each of said agents
and attorneys-in-fact may deem advisable.
The undersigned hereby gives each of said agents
and attorneys-in-fact full power and authority to
act in the premises, and hereby ratifies and confirms
all that each of said agents and attorneys-in-fact may
do by virtue hereof.


	The undersigned acknowledges that each
attorney-in-fact, in serving in such capacity at
the request of the undersigned, is not
assuming any of the undersigned?s responsibilities
to comply with the Exchange Act.  The undersigned
agrees to defend and hold harmless each attorney-in-fact
from and against any and all loss, damage or liability
that such attorney-in-fact may sustain as a result of
any action taken in good faith hereunder.

	This Power of Attorney shall remain in full force
and effect until the undersigned is no longer required
to file documents with respect to the undersigned?s
holdings of and transactions in securities issued
by the Company, unless earlier revoked by the
undersigned in writing or by executing a new Power of Attorney.

	IN WITNESS WHEREOF, I have executed this
Power of Attorney on this 16 day of July, 2013.


		/s/Susan D. Whiting
		Susan D. Whiting


Subscribed and sworn before me this
16 day of July, 2013.


/s/Karen L. Williams,
(Notary Public)

My Commission Expires: 11-27-15

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