As filed with the Securities and Exchange Commission on February 22, 2005

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                           CERTIFICATE OF NOTIFICATION
                  (Public Utility Holding Company Act of 1935)

                                File No. 70-9879
                      In the Matter of Cinergy Corp. et al.


         With reference to the transactions proposed in the
Application-Declaration on Form U-1, as amended (the "Application"), in the
above proceeding filed by Cinergy Corp. ("Cinergy") and certain of its
subsidiary companies -- namely, Cinergy Services, Inc. ("Cinergy Services"), The
Cincinnati Gas & Electric Company ("CG&E"), PSI Energy, Inc. ("PSI"), The Union
Light, Heat and Power Company ("ULH&P"), Miami Power Corp. ("Miami"), Tri-State
Improvement Company ("Tri-State") and KO Transmission Company ("KO"; and,
together with Cinergy and the aforementioned associate companies, the
"Applicants") -- and the Commission's order dated August 2, 2001 with respect
thereto (Rel. No. 35-27429), Cinergy Services, on behalf of itself and the other
Applicants, notifies the Commission that:

         1. The following lists the maximum principal amount of external
short-term borrowings -- i.e., bank borrowings and/or commercial paper -- at any
time outstanding during the calendar quarter ended December 31, 2004 for the
following companies: (a) CG&E -- $0.0; (b) PSI -- $0.0; (c) ULH&P -- $0.0; (d)
Miami -- $0.0; (e) Tri-State -- $0.0; (f) KO -- $0.0; and (g) Cinergy Services
- -- $0.0.

         2. With respect to the operation of the Cinergy system money pool
during the calendar quarter ended December 31, 2004: (a) the average annual
interest rate applicable to borrowings by participating companies was 2.08%; (b)
the maximum principal amount of money pool borrowings incurred by the respective
Applicants and outstanding at any time during the aforesaid quarterly period was
as follows: (i) CG&E -- $245.9 million, (ii) PSI -- $154.5 million, (iii) ULH&P
- -- $38.2 million, (iv) Miami -- $0.0, (v) Tri-State -- $0.0, (vi) KO -- $0.0,
and (vii) Cinergy Services -- $0.0; and (c) the maximum principal amount of
funds loaned through the money pool by the respective Applicants and outstanding
at any time during the aforesaid quarterly period was as follows: (i) Cinergy --
$274.4 million, (ii) CG&E -- $0.0, (iii) PSI -- $0.0, (iv) ULH&P -- $20.7
million, (v) Miami -- $0.0, (vi) Tri-State -- $0.0, (vii) KO -- $0.0, and (viii)
Cinergy Services -- $133.2 million.


                                S I G N A T U R E

         Pursuant to the requirements of the Public Utility Holding Company Act
of 1935, as amended, 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.

February 22, 2005

                                            CINERGY SERVICES, INC.


                                            By:/s/Wendy L. Aumiller
                                               Wendy L. Aumiller
                                               Vice President and Treasurer