Exhibit 24
                               POWER OF ATTORNEY

         KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints each of Jesse Gary and John DeZee, signing singly, the undersigned's
true and lawful attorney-in-fact to:

         (1)   execute for and on behalf of the undersigned, in the
         undersigned's capacity as an officer and/or director of Century
         Aluminum Company (the "Company") Forms 3, 4 and 5 (and any amendments
         thereto) in accordance with Section 16(a) of the Securities Exchange
         Act of 1934, as amended(the "Exchange Act"), 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 and execute
         any such Form 3, 4 or 5, complete and execute any amendments thereto,
         and timely file such form with the U.S. Securities and Exchange
         Commission (the "SEC"), including without limitation the filing of a
         Form ID or any other documents necessary or appropriate to enable the
         undersigned to file the Forms 3 , 4 and 5 electronically with the SEC;
         and

         (3)	take any other action of any type whatsoever in connection with
         the foregoing which, 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 such attorney-in
         -fact's discretion.

         The undersigned hereby grants to each such attorney-in-fact full power
and authority to do and perform any and every act and thing whatsoever
requisite, necessary, or proper to be done in the exercise of any of the rights
and powers herein granted, as fully to all intents and purposes as the
undersigned might or could do if personally present, with full power of
substitution or revocation, hereby ratifying and confirming all that such
attorney-in-fact, or such attorney-in-fact's substitute or substitutes, shall
lawfully do or cause to be done by virtue of this power of attorney and the
rights and powers herein granted.  The undersigned acknowledges that the
foregoing attorneys-in-fact, in serving in such capacity at the request of the
undersigned, are not assuming, nor is the Company assuming, any of the
undersigned's responsibilities to comply with the Exchange Act.

         This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to execute such filings in accordance with the
Exchange Act and the rules thereunder, unless earlier revoked by the undersigned
in a signed writing delivered to the foregoing attorneys-in-fact.

    IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 23rd day of August, 2022.


     /s/Gerald Bialek
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      Signature

     Gerald Bialek
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      Print Name