As filed with the Securities and Exchange Commission on March 27, 2003.



                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

In the Matter of                                              CERTIFICATE
  Cinergy Corp.                                                    OF
File No. 70-10015                                             NOTIFICATION

(Public Utility Holding Company Act of 1935)


     With reference to the transactions proposed in the  Application-Declaration
on Form U-1, as  amended,  in the above  proceeding  filed by Cinergy  Corp.,  a
Delaware  corporation  and a registered  holding company  ("Cinergy")  under the
Public  Utility  Holding  Company Act of 1935, as amended (the "Act"),  and with
reference to the Commission's  order dated October 23, 2002 with respect thereto
(HCAR  No.  27581)(the  "Order"),  and  in  particular  the  periodic  reporting
requirements   set  forth  therein,   Cinergy  hereby   supplies  the  following
information  covering the period  commencing  with the issuance of the Order and
continuing through December 31, 2002 (the "Reporting Period"):

1.   Cinergy had four subsidiaries during the Reporting Period (collectively,
     the "Cinergy IS Subs") that were engaged, directly or indirectly, in the
     business of providing Infrastructure Services (as defined in the Order):
     Cinergy Supply Network, Inc., a Delaware corporation ("CSN"); Reliant
     Services, LLC, an Indiana corporation ("Reliant"); MP Acquisition Corp., an
     Indiana corporation ("Acquisition Sub"); and Miller Pipeline Corporation,
     an Indiana corporation ("Miller Pipeline"). CSN is a wholly-owned
     subsidiary of Cinergy, while Cinergy owns 50% of the outstanding voting
     securities of each of Reliant, Acquisition Sub and Miller Pipeline.

2.   Cinergy's aggregate  investment in the Cinergy IS Subs at December 31, 2002
     was approximately $22.6 million.

3.   The following provides information for the Reporting Period concerning any
     Infrastructure Services provided by any of the Cinergy IS Subs to any
     associate or affiliate public utility company thereof (all such services
     were rendered at "cost" (as defined in Rule 91 under the Act) pursuant to
     and in accordance with the various service agreements approved by the
     Commission by order dated May 4, 1999 in File No. 70-9449 (HCAR No. 27016)

----------------------- ------------------------- ------------------------ --
Cinergy IS Sub    Associate Utility    Type of Services     Total Amount Billed
Rendering         Company Receiving    Rendered               (in thousands)
Services          Services

Reliant          The Cincinnati Gas &   Line locating, meter             $391
               Electric Company (CG&E)  reading, and underground
                                        construction services

Reliant       PSI Energy, Inc. (PSI)    Line locating, meter
                                        reading, and underground
                                        construction services            $294

Reliant      The Union Light, Heat     Line locating, meter
             and Power Company         reading, and undergound
             (ULH&P)                   construction services              $39


Miller Pipeline   CG&E                 Maintenance services             $2,642


Miller Pipeline   PSI                  Maintenance services              $211


Miller Pipeline   ULH&P                Maintenance services               $26


4.   In accordance with the terms of the Order, because balance sheets and
     income statements for the Cinergy IS Subs as of and for the 12-monts ended
     December 31, 2002 will be included within Cinergy's Annual Report on Form
     U5S, Cinergy is not including such financial statements herewith.



                                                           S I G N A T U R E

         Pursuant to the requirements of the Act, the undersigned company has
duly caused this document to be signed on its behalf as of the date indicated
below by the undersigned thereunto duly authorized.

Date:         March 27, 2003

                                                     CINERGY CORP.


                                                     By: /s/Wendy L. Aumiller
                                                          Wendy L. Aumiller
                                                          Treasurer