-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001225208-11-007796.txt : 20110301
<SEC-HEADER>0001225208-11-007796.hdr.sgml : 20110301
<ACCEPTANCE-DATETIME>20110301144900
ACCESSION NUMBER:		0001225208-11-007796
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20110301
FILED AS OF DATE:		20110301
DATE AS OF CHANGE:		20110301

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CORNELIUS SIGMUND L
		CENTRAL INDEX KEY:			0001409860

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14287
		FILM NUMBER:		11650866

	MAIL ADDRESS:	
		STREET 1:		600 N. DAIRY ASHFORD
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77079

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			USEC INC
		CENTRAL INDEX KEY:			0001065059
		STANDARD INDUSTRIAL CLASSIFICATION:	MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS) [1400]
		IRS NUMBER:				522107911
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2 DEMOCRACY CENTER
		STREET 2:		6903 ROCKLEDGE DRIVE
		CITY:			BETHESDA
		STATE:			MD
		ZIP:			20817
		BUSINESS PHONE:		3015643200

	MAIL ADDRESS:	
		STREET 1:		2 DEMOCRACY CENTER
		STREET 2:		6903 ROCKLEDGE DRIVE
		CITY:			BETHESDA
		STATE:			MD
		ZIP:			20817
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>doc3.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0203</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2011-03-01</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001065059</issuerCik>
        <issuerName>USEC INC</issuerName>
        <issuerTradingSymbol>USU</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001409860</rptOwnerCik>
            <rptOwnerName>CORNELIUS SIGMUND L</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>6903 ROCKLEDGE DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BETHESDA</rptOwnerCity>
            <rptOwnerState>MD</rptOwnerState>
            <rptOwnerZipCode>20817</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <remarks>corneliuspoa.txt</remarks>

    <ownerSignature>
        <signatureName>/s/ Kerri R. Morey, Attorney-In-Fact</signatureName>
        <signatureDate>2011-03-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>corneliuspoa.txt
<TEXT>
POWER OF ATTORNEY



	Know all persons by these presents that Sigmund L. Cornelius whose signature
appears below constitutes and appoints John C. Barpoulis, Peter B. Saba and
Kerri R. Morey and each of them, as his true and lawful attorney-in-fact and
agent, with full and several power of substitution and with authority to act
alone, for him and in his name, place and stead, in any and all capacities to:

	(1)	execute for and on behalf of the undersigned Forms 3, 4 and 5 and any
amendments and supplements to those forms in accordance with Section 16(a) of
the Securities Exchange Act of 1934 and the rules thereunder;

	(2)	do and perform any and all acts for and on behalf of the undersigned which
may be necessary or desirable to complete the execution of any such Form 3, 4,
or 5 and any amendments and supplements to those forms and file such form with
the United States Securities and Exchange Commission, the New York Stock
Exchange and any other authority; and

	(3)	take any other action of any type whatsoever in connection with the
foregoing that, in the opinion of such attorney-in-fact, may be of benefit to,
in the best interest of, or legally required by, the undersigned, it being
understood that the documents executed by such attorney-in-fact on behalf of the
  undersigned pursuant to this Power of Attorney shall be in such form and shall
  contain such terms and conditions as such attorney-in-fact may approve in
his/her discretion;

granting unto said attorney-in-fact and agent full power and authority to do and
  perform each and every act and thing requisite and necessary to be done in and
  about the premises, as fully to all intents and purposes as they or she might
or could do in person, hereby ratifying and confirming all that said
attorney-in-fact and agent or her or their substitute or substitutes may
lawfully do or cause to be done by virtue thereof.

	This Power of Attorney is continuing and shall remain in effect so long as the
undersigned is a director of USEC Inc., a Delaware corporation, unless the
undersigned executes and delivers to the Secretary of USEC Inc. a written
revocation of this Power of Attorney.

	The undersigned acknowledges that each foregoing 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 Section 16 of the Securities
Exchange Act of 1934.



Date:	____February 22, 2011__________			__/s/ Sigmund L. Cornelius_____
								Sigmund L. Cornelius





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