SECURITIES AND EXCHANGE COMMISSION
                         450 Fifth Street, N.W.
                         Washington, D.C.  20549

In the Matter of                                  CERTIFICATE
Cinergy Corp.                                     OF
File No. 70-9071                                  NOTIFICATION

Public Utility Holding Company Act of 1935 ("PUHCA")

     Cinergy Corp., a registered holding company ("Cinergy"), hereby
submits the following information pursuant to rule 24 under PUHCA and the
Commission's order dated January 20, 1998 in the above docket (HCAR No.
26819) ("January 1998 Order").  In addition, on March 1, 1999, the
Commission issued an order in File No. 70-9319 (HCAR No. 26984) which,
among other things, modified the $2 billion cap on Cinergy debt securities
referred to below by excluding guarantees issued by Cinergy from the
coverage thereof and subjecting such guarantees to a separate $1 billion
cap ("Guarantee Cap").  This certificate also reports guarantees issued by
Cinergy subject to the Guarantee Cap.  (Any capitalized terms not otherwise
defined herein have the meanings set forth in the January 1998 Order.)

     With reference to the Debt Cap and the $2 billion ceiling imposed
thereunder, at Fourth Quarter 1999, Cinergy had issued and outstanding debt
securities totaling $402 million in aggregate principal amount, consisting
of (i) notes in connection with letter of credit transactions aggregating
$2 million and (ii) long-term debentures aggregating $400 million.

     1.   During the quarterly period ended December 31, 1999, Cinergy
issued no derivative financial instruments in connection with the financing
transactions described in the preceding paragraph.

     2.   During the quarterly period ended December 31, 1999, Cinergy did
not issue any Additional Shares pursuant to the January Order.

     3.   During the quarterly period ended September 30, 1999, Cinergy did
not issue any Additional Shares as gifts or awards to Cinergy system
employees.

     4.   With reference to the Guarantee Cap and the $1 billion ceiling
imposed thereunder, at December 31, 1999, Cinergy's subsidiaries and
affiliates had debt or other obligations outstanding totaling $515 million
with respect to which Cinergy has issued guarantees.



                            S I G N A T U R E

       Pursuant to the requirements of PUHCA, the undersigned company has
duly caused this document to be signed on its behalf by the undersigned
thereunto duly authorized.

Dated: February 14, 2000

                                          CINERGY CORP.

                                          By:  /s/Wendy L. Aumiller
                                               Assistant Treasurer