Exhibit B
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         [LETTERHEAD OF THE INDIANA UTILITY REGULATORY COMMISSION]


                                                         September 28, 2000


Mr. Jonathan G. Katz, Secretary
Securities and Exchange Commission
450 Fifth Street, NW
Washington, D.C. 20549

Dear Mr. Katz:

         We are writing with respect to Indianapolis Power & Light Company,
its parent, IPALCO Enterprises, Inc. and The AES Corporation.

         We have been advised that The AES Corporation, through its
subsidiaries (other than IPALCO Enterprises, Inc. and its subsidiaries),
affiliates, or through other entities, currently holds, and intends to
continue to hold and acquire ownership interests in electric and natural
gas facilities in one or more foreign countries. We submit this letter
pursuant to the requirements of Section 33(a)(2) of the Public Utility
Holding Company Act of 1935, as amended.

         The Indiana Utility Regulatory Commission hereby certifies to you
that it has the authority and resources to protect ratepayers subject to
its jurisdiction and that it intends to exercise that authority.

                                            Sincerely,

                                            /s/ William D. McCarty
                                            William D. McCarty
                                            Chairman