FILED PURSUANT TO RULE 424(b)(3) AND (c)
                                                      REGISTRATION NO. 333-96369

                              PROSPECTUS SUPPLEMENT
                        (TO PROSPECTUS DATED MAY 2, 2000)

                           METRETEK TECHNOLOGIES, INC.

                        3,991,079 SHARES OF COMMON STOCK
                    7,000 SHARES OF SERIES B PREFERRED STOCK

         This prospectus supplement supplements the prospectus dated May 2,
2000, as supplemented by the prospectus supplement dated July 10, 2003, of
Metretek Technologies, Inc. relating to the resale of shares of our common stock
and our Series B preferred stock by certain of our securityholders (and by their
donees, pledgees, transferees or other successors in interest that receive such
shares as a gift, pledge, partnership distribution or other non-sale related
transfer). In the prospectus and this prospectus supplement, we refer to those
persons, including those named below in this prospectus supplement, as selling
securityholders.

         This prospectus supplement is incorporated into, should be read in
conjunction with, and is qualified by reference to, the prospectus, as
previously amended and supplemented, except to the extent that the information
contained in this prospectus supplement supersedes the information contained in
the prospectus. Terms used but not otherwise defined in this prospectus
supplement but defined in the prospectus have the meanings given to them in the
prospectus. This prospectus supplement is not complete without, and may not be
delivered or utilized except in connection with, the prospectus, including any
amendments or supplements to it. All references in the prospectus to "this
prospectus" are hereby amended to read "this prospectus, as supplemented and
amended,."

         This prospectus supplement provides additional information regarding
selling securityholders. The information in note (3) on page 45 of the
prospectus is amended by adding the following information:

         The securities owned by DDJ Canadian High Yield Fund are held and
registered in the name of Hare & Co. c/o The Bank of New York. The securities
owned by B III-A Capital Partners are held and registered in the name of
Goldman Sachs & Company, FFC B III-A Capital Partners, L.P. The securities
owned by an account established for an institutional investor are held and
registered in the name of Southlake & Co.

         This information is based on information provided by or on behalf of
the selling securityholders.

         NEITHER THE SECURITIES AND EXCHANGE COMMISSION NOR ANY STATE SECURITIES
COMMISSION HAS APPROVED OR DISAPPROVED OF THESE SECURITIES OR PASSED UPON THE
ADEQUACY OR ACCURACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A
CRIMINAL OFFENSE.

          The date of this prospectus supplement is October 9, 2003.