IN THE MATTER OF

                      FILE NO. 70-9683

             SECURITIES AND EXCHANGE COMMISSION
                  Washington, D.C.   20549

       CERTIFICATE OF NOTIFICATION PURSUANT TO RULE 24

                            UNDER

       THE PUBLIC UTILITY HOLDING COMPANY ACT OF 1935


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Allegheny Energy, Inc.        Allegheny Energy Supply Company, LLC
10435 Downsville Pike         4350 Northern Pike
Hagerstown, MD 21740          Monroeville, PA 15146-2841


             __________________________________










        THIS IS TO CERTIFY THAT in accordance with the terms
and  conditions of, and for the purposes represented by, the
Application/Declaration referenced herein  and  the  related
Orders  of  the  Securities  and  Exchange  Commission  with
respect  thereto, Applicants   have    carried    out    the
transactions listed below:

     Pursuant  to  Holding  Co.  Release  No.  27349,
     issued  in File No. 70-9683, the Applicants,  on
     July 1, 2001 transferred Allegheny's 5% interest
     (approximately 83 megawatts (MW)) in  the  coal-
     fired   generating  capacity  of  the  Conemaugh
     Generating Station near Johnstown, Pa., and near
     the Allegheny service area, ("Conemaugh") to  AE
     Supply.

          This Certificate of Notification is filed pursuant
to  the Commission's Order in this proceeding after the  end
of   the   six   months  during  which  the  above-described
transactions  were  consummated.   Further  Certificates  of
Notification  will be filed as to the carrying  out  of  any
future  transactions under authorization  of  the  aforesaid
Order and "past tense" opinions of counsel as to all of  the
transactions  authorized by the Order will be filed  at  the
time the last of such transactions has been carried out.


                              ALLEGHENY ENERGY, INC.

                              /s/ MARLEEN BROOKS

                              Marleen Brooks
                              Secretary of Allegheny Energy, Inc.


Date: August 9, 2001