File No.____________ SECURITIES AND EXCHANGE COMMISSION Washington, D.C. FORM U-57 NOTIFICATION OF FOREIGN UTILITY COMPANY STATUS Filed under section 33(a) of the Public Utility Holding Company Act of 1935, as amended AES Nigeria Barge Limited (name of foreign utility company) by THE AES CORPORATION 1001 N. 19th Street Suite 2000 Arlington, Virginia 22209 (name of filing company, if filed on behalf of a foreign utility company) The Commission is hereby requested to mail copies of all correspondence relating to this Notification to: Erik Luckau The AES Corporation 1001 N. 19th Street Suite 2000 Arlington, Virginia 22209 Andrew B. Young Hugh E. Hilliard Dewey Ballantine LLP 1775 Pennsylvania Avenue, N.W. Washington, D.C. 20006 ITEM 1 Foreign utility company status is claimed by AES Nigeria Barge Limited, RRC, 366057, a joint stock company organized and existing under the laws of The Federal Republic of Nigeria with its business address at 7th Floor, 38 Warehouse Road, Yinka Folawiyo Plaza, Apapa, Lagos (Reg. Address: 5th Floor, 38/40 Strachen Street, Lagos). AES Nigeria Barge Limited owns and operates a 290 MW barge-mounted electric generating facility at Egbin in Lagos State, Nigeria. AES Nigeria Barge Limited is owned jointly by Y F Power Ltd (5%) and AES Nigeria Holdings Ltd (95%). AES Nigeria Holdings Ltd is a wholly owned subsidiary of AES Frontier Ltd, which, in turn, is a wholly owned subsidiary of The AES Corporation ("AES"). AES, a Delaware corporation, is a public utility holding company exempt from registration under section 3(a)(5) of the Public Utility Holding Company Act of 1935 (the "Act"). ITEM 2 AES Nigeria Barge Limited has two domestic associate public utility companies, Central Illinois Light Company ("CILCO") and Indianapolis Power and Light Company ("IPL"). CILCO is wholly owned by CILCORP, Inc., which, in turn, is a wholly owned subsidiary of AES. IPL is wholly owned by IPALCO Enterprises Inc., which, in turn, is a wholly owned subsidiary of AES. Neither CILCO nor IPL has made any investment in, nor has any contractual relationship with, AES Nigeria Barge Limited, nor are any such investments or contractual relationships contemplated. EXHIBIT A By letter dated March 10, 1999, the Illinois Commerce Commission certified to the Securities and Exchange Commission ("SEC") with respect to CILCO that (1) it has the authority and resources to protect Illinois consumers in accordance with applicable Illinois statutes, and (2) it intends to exercise that authority, as required under section 33(a)(2) of the Act in connection with AES' acquisition of foreign utility companies. AES hereby incorporates this letter, filed June 10, 1999, in file number 070-09465, by reference. By letter dated September 28, 2000, the Indiana Utility Regulatory Commission certified to the SEC with respect to IPL that (1) it has the authority and resources to protect ratepayers subject to its jurisdiction, and (2) it intends to exercise that authority as required under section 33(a)(2) of the Act in connection with AES' acquisition of foreign utility companies. AES hereby incorporates this letter, filed October 27, 2000, in file number 070-09779, by reference. 2 The undersigned company has duly caused this statement to be signed on its behalf by the undersigned thereunto duly authorized. By: /s/ Erik Luckau Erik Luckau Associate General Counsel The AES Corporation 1001 N. 19th Street, Suite 2000 Arlington, Virginia 22209 (703) 558-4879 Dated: October 22, 2001 3