SECURITIES AND EXCHANGE COMMISSION
                              Washington, DC 20549

                                     FORM 15


   Certification  and Notice of Termination of Registration  under Section 12(g)
   of the Securities  Exchange Act of 1934 or Suspension of Duty to File Reports
   under Sections 13 and 15(d) of the Securities Exchange Act of 1934

                              Commission File Number      001-12869, 333-24855,
                                                          333-24705

                        Constellation Energy Corporation
             (Exact name of registrant as specified in its charter)

               39 West Lexington Street,     Baltimore, Maryland 21201
          (Address, including zip code, and telephone number, including
            area code, of registrant's principal executive offices)

            Common Stock (no par value), Medium Term Notes - Series F
            (Title of each class of securities covered by this Form)

                                      None
          (Title of all other classes of securities for which a duty to
               file reports under section 13(a) or 15(d) remains)

         Please  place an X in the box(es) to  designate  the  appropriate  rule
provision(s) relied upon to terminate or suspend the duty to file reports:

             Rule 12g-4(a)(1)(i)     [ X ]    Rule 12h-3(b)(1)(ii)     [ X ]
             Rule 12g-4(a)(1)(ii)    [ X ]
             Rule 12g-4(a)(2)(i)     [   ]    Rule 12h-3(b)(2)(i)      [   ]
             Rule 12g-4(a)(2)(ii)    [   ]    Rule 12h-3(b)(2)(ii)     [   ]
             Rule 12h-3(b)(1)(i)     [ X ]    Rule 15d-6               [ X ]

         Approximate  number of  holders  of record as of the  certification  or
notice date:   2

         Pursuant to the  requirements  of the  Securities  Exchange Act of 1934
Constellation  Energy  Corporation  has caused this  certification/notice  to be
signed on its behalf by the undersigned duly authorized person.

DATE: 1/28/98                     BY:   /s/ David A. Brune
                                            VICE PRESIDENT

Instruction:  This  form is  required  by Rules  12g-4,  12h-3  and 15d-6 of the
General Rules and  Regulations  under the  Securities  Exchange Act of 1934. The
registrant  shall file with the Commission three copies of Form 15, one of which
shall be manually signed.  It may be signed by an officer of the registrant,  by
counsel or by any other duly authorized person. The name and title of the person
signing the form shall be typed or printed under the signature.