Exhibit 4.13


                              CERTIFICATE OF TRUST

                                       OF

                                  AES TRUST IV



        THIS  Certificate  of Trust of AES Trust IV (the  "Trust"),  dated as of
November  5,  1997,  is being duly  executed  and filed by the  undersigned,  as
trustees,  to form a business  trust under the Delaware  Business  Trust Act (12
Del.  Code ss.  3801 et seq.).

     1. Name.  The name of the business  trust being formed  hereby is AES Trust
IV.

     2. Delaware  Trustee.  The name and business  address of the trustee of the
Trust with a  principal  place of  business  in the State of  Delaware  is First
Chicago Delaware Inc., 300 King Street, Wilmington, Delaware 19801 .

     3. Effective Date.  This  Certificate of Trust shall be effective as of its
filing.







     IN WITNESS WHEREOF, the undersigned,  being the sole trustees of the Trust,
have executed this Certificate of Trust as of the date first above written.


                                            First Chicago Delaware Inc.,
                                            as Delaware Trustee


                                            By: /s/ Melissa G. Weisman
                                               ---------------------------------
                                             Name: Melissa G. Weisman
                                             Title:    Vice President


                                            The First National Bank of
                                            Chicago, as Property Trustee


                                            By: /s/ Melissa G. Weisman
                                               ---------------------------------
                                             Name: Melissa G. Weisman
                                             Title:    Vice President


                                             /s/ William R. Luraschi
                                            ------------------------------------
                                            William R. Luraschi
                                            as Trustee


                                             /s/ William Hoagland
                                            ------------------------------------
                                            Willard Hoagland
                                            as Trustee


                                             /s/ Barry J. Sharp
                                            ------------------------------------
                                            Barry J. Sharp
                                            as Trustee


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