SECURITIES AND EXCHANGE COMMISSION
Washington, D.C.  20549

In the Matter of              CERTIFICATE
Cinergy Corp. et al.          OF
File No.  70-8589             NOTIFICATION

(Public Utility Holding Company Act of 1935)

     With reference to the transactions (a) proposed in the Application-
Declaration on Form U-1, as amended, in the above proceeding filed by
Cinergy Corp., a registered holding company ("Cinergy") under the Public
Utility Holding Company Act of 1935 (the "Act"), Cinergy Investments, Inc.,
Cinergy's nonutility subholding company ("Investments"), and Cinergy
Services, Inc., Cinergy's service company subsidiary ("Cinergy Services";
and together with Cinergy and Investments, the "Applicants"), and (b)
authorized by the Commission in its orders with respect thereto dated,
respectively, March 8, 1996 (Rel. No. 35-26486) and September 21, 1995
(Rel. No. 35-26376), Cinergy Services hereby notifies the Commission, on
behalf of itself and the other Applicants, as follows:

1.  For the calendar quarterly period ended June 30, 1997 ("Second
Quarter"), none of the Special Purpose Subsidiaries/1/ issued any Recourse
Debt Securities./2/  

2.  General description of activities of Investments and Special Purpose
Subsidiaries during the Second Quarter and of projects in which they have
an ownership interest: 

     (a)  Investments.  No new information to report.  
     (b)  Energy Argentina.  No new information to report.
     (c) CGE ECK.  This company completed the sale to a non-associated
party of its ownership interest in ECK s.r.o., its only asset. 
     (d)  Midlands.  No new information to report (not already reported in
Cinergy's amended application-declaration in File No. 70-9011).

3.   Information on intercompany service transactions involving the Special
Purpose Subsidiaries during the Second Quarter:

     (a)  name of each associate company providing services and associate
company recipient:

          (i) Cinergy Services/Cinergy UK 

     (b)  listing of services provided:

          (i) legal, executive, financial and materials management 

     (c)  total approximated dollar amount of services provided per
associate company service provider:

          (i)  $289,000

4.   The following unaudited financial statements are filed pursuant to a
request for confidential treatment under rule 104 of the Act: 

     (a)  Unaudited Special Purpose Subsidiaries Financial Statements,
dated June 30, 1997


                            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 by the undersigned
thereunto duly authorized.

Date:  August 15, 1997

    CINERGY SERVICES, INC.
    By:  /s/William L. Sheafer
    Vice President and Treasurer

                               ENDNOTES

/1/ As used herein, "Special Purpose Subsidiaries" refers to the following
direct or indirect subsidiaries of Cinergy that are either exempt wholesale
generators ("EWGs") or foreign utility companies ("FUCOs") or companies
(each, a "FUCO Parent") organized for the exclusive purpose of acquiring
and owning or holding, directly or indirectly, interests in FUCOs:  PSI
Energy Argentina, Inc., CGE ECK, Inc. ("CGE ECK"), Cinergy UK, Inc.
("Cinergy UK"), Avon Energy Partners Holdings, Avon Energy Partners plc,
Midlands Electricity plc ("Midlands").  Costanera Power Corp., PSI
Argentina, Inc., PSI T&D International, Inc., PSI Yacyreta, Inc., PSI Power
Resource Development, Inc., PSI Power Resource Operations, Inc., Cinergy
International, Inc. (formerly PSI International, Inc.) and PSI Sunnyside,
Inc. are all inactive Cinergy system companies formed to act as EWGs or
FUCO Parents.

/2/ Recourse Debt Securities means any promissory note, bond or other
evidence of indebtedness issued by a Special Purpose Subsidiary to a
nonassociate company with respect to which Cinergy or Investments issues a
guarantee (including obtaining a letter of credit).