SECURITIES AND EXCHANGE COMMISSION
                         Washington, D.C.  20549

In the Matter of                                  CERTIFICATE
Cinergy Corp. et al.                              OF
File No.  70-9015                                 NOTIFICATION

(Public Utility Holding Company Act of 1935)

     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"),
Cinergy Investments, Inc. ("Cinergy Investments"), The Cincinnati Gas &
Electric Company ("CG&E"), PSI Energy, Inc. ("PSI"), The Union Light, Heat
and Power Company ("ULH&P"), Lawrenceburg Gas Company ("Lawrenceburg"), The
West Harrison Gas and Electric Company ("West Harrison"), 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 May 30,
1997 with respect thereto (Rel. No. 35-26723), 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, 1999
("Fourth Quarter 1999") for the following companies: (a) CG&E $100
million; (b) PSI $151.2 million; (c) ULH&P $0; (d) Lawrenceburg $0;  (e)
West Harrison $0; (f) Miami $0; (g) Tri-State $0; (h) KO $0; and (i)
Cinergy Services $0.

2.  With respect to the operation of the Cinergy system money pool during
the Fourth Quarter 1999:  (a) the average annual interest rate applicable
to borrowings by participating companies was 5.68%; (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 $109.4 million, (ii) PSI $288 million,
(iii) ULH&P $38.5 million, (iv) Lawrenceburg $0.8 million, (v) West
Harrison  $0, (vi) Miami $0, (vii) Tri-State $0, (viii) KO $0, and
(ix) Cinergy Services $17.2 million; 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 $283 million, (ii) CG&E $11.2 million, (iii) PSI
$140.6 million, (iv) ULH&P $0, (v) Lawrenceburg $.6 million, (vi)
West Harrison $0, (vii) Miami $0, (viii) Tri-State $0, (ix) KO $0,
and (x) Cinergy Services $22.7 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 by the undersigned thereunto duly authorized.

Date:       February 14, 2000

                                       CINERGY SERVICES, INC.


                                       By: /s/Wendy L. Aumiller
                                           Assistant Treasurer