Exhibit 32.1



                           CERTIFICATIONS PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
                            (18 U.S.C. SECTION 1350)


     In connection with the Annual Report on Form 10-K of Energy Conversion
     Devices, Inc. (the "Company") for the fiscal year ended June 30, 2004 (the
     "Report"), each of the undersigned hereby certifies:

          1.  The Report fully complies with the requirements of Section 13(a)
              or 15(d) of the Securities Exchange Act of 1934; and

          2.  The information contained in the Report fairly presents, in all
              material respects, the financial condition and results of
              operations of the Company.


     /s/ Robert C. Stempel
     ------------------------------

     Robert C. Stempel
     Chief Executive Officer
     May 24, 2005


     /s/ Stephan W. Zumsteg
     ------------------------------
     Stephan W. Zumsteg
     Chief Financial Officer
     May 24, 2005