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 March 31,
     1999 ("First Quarter 1999") for the  following companies:  (a) CG&E -
     $105 million; (b) PSI - $151.9 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 First Quarter 1999:  (a) the average annual interest rate   
     applicable to borrowings by participating companies  was 4.98%; (b)
     the maximum principal amount of money pool borrowings incurred by the
     respective Applicants and outstanding at any time during the First
     Quarter 1999 was as follows:  (i) CG&E - $0.2 million, (ii) PSI -
     $160.8 million, (iii) ULH&P - $31.8 million, (iv) Lawrenceburg - $0.8
     million, (v) West Harrison - $0, (vi) Miami - $0, (vii) Tri-State -
     $0, (viii) KO - $0, and (ix) Cinergy Services - $32.4 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 First
     Quarter 1999 was as follows:  (I) Cinergy - $20.2 million, (ii) CG&E -
     $177.9 million, (iii) PSI - $27.2 million, (iv) ULH&P - $0, (v)
     Lawrenceburg - $0, (vi) West Harrison - $0, (vii) Miami - $0, (viii)
     Tri-State - $0, (ix) KO - $0, and (x) Cinergy Services - $11.3
     million.

3.   During the First Quarter 1999, pursuant to the authorization granted 
     in this docket, Cinergy issued 31 guarantees resulting in a net 
     increase of $10.95 million.  At the end of the First Quarter 1999,     
     Cinergy had guarantees outstandi ng in this docket totaling $305.1
     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:       May 14, 1999
                                       CINERGY SERVICES, INC.

                                       By: /s/William L. Sheafer 
                                           Vice President and Treasurer