EXHIBIT 21 Subsidiaries of The AES Corporation SUBSIDIARY NAME JURISDICTION OR INCORPORATION - --------------- ----------------------------- AES - MS Pty Ltd. Australia AES Acquisition Co. Ltd. Bermuda AES Alamitos, L.L.C. Delaware AES Allegheny, Inc. Delaware AES America's Holdings, Inc. Delaware AES Americas International Holdings, Limited Bermuda AES Americas Investments, Inc. Delaware AES Argentina Operations, Ltd. Cayman Islands AES Argentina, Inc. Delaware AES Australia Holding B.V. Netherlands AES Australian Energy Finance Pty Limited Australia AES Balboa, Inc. Delaware AES Bandeirante, Ltd. Cayman Islands AES Barry Operations Ltd. United Kingdom AES Barry, Ltd. United Kingdom AES Beaver Valley, Inc. Delaware AES Borsodi Avamtermelo Kft Hungary AES Brasil Ltda. Brazil AES Brazil Holdings, Inc. Delaware AES Brazil International Holdings, Limited Bermuda AES Bucks County, Inc. Delaware AES California Management Co., Inc. Delaware AES Campos Novos Inc. Cayman Islands AES Canada, Inc. Delaware AES Caribbean Holdings, Inc. Delaware AES Caribbean Services, Inc. Delaware AES Cayman Guaiba, Ltd. Cayman Islands AES Cayman I Cayman Islands AES Cayman II Cayman Islands AES Cayman Islands Holdings, Ltd. Cayman Islands AES Cayman Pampas, Ltd. Cayman Islands AES Cemig Empreendimentos Inc. Cayman Islands AES Cemig Funding Corporation Delaware AES Cemig Holdings, Inc. Delaware AES Chigen Company (L) Limited Malaysia AES China Generating Co. Ltd. Bermuda AES Connecticut Management, Inc. Delaware AES Constructors, Inc. Delaware AES Coral Reef, LLC Cayman Islands AES Deepwater, Inc. Delaware AES Distribucion Dominicana, Ltd. Cayman Islands AES Dominican Holdings, Inc. Delaware AES El Salvador, Ltd. Cayman Islands AES Electric Investments, Limited Bermuda AES Elsta B.V. Netherlands AES Energen, Ltd. Cayman Islands AES Energy (Asia) Pte Ltd. Singapore AES Energy Canada, Inc. Canada AES Energy Mexico, Inc. Delaware AES Energy of Colombia, Inc. Delaware AES Energy, Ltd. Bermuda AES Engineering, Inc. Cayman Islands AES Europe S.A. France AES Forca, Ltd. Cayman Islands AES FSC Corporation Barbados AES Gas Power, Inc. Delaware AES Global Power Holdings, B.V. Netherlands AES GPH, L.L.C. Delaware AES Guaiba Empreedementos Ltda. Brazil AES Guaiba II Empreedementos Ltda. Brazil AES Harriman Cove, Inc. Delaware AES Hawaii Management Company, Inc. Delaware AES Hawaii, Inc. Delaware AES Hazleton, Inc. Delaware AES HGP, Inc. Delaware AES HLP, Inc. Delaware AES Holdings Limited Cayman Islands AES Hungary Limited United Kingdom AES Intercon II, Ltd. Cayman Islands AES Intercon, Ltd. Cayman Islands AES Interenergy, Ltd. Cayman Islands AES International Development, Ltd. Cayman Islands AES International Holdings II, Ltd. British Virgin Islands AES International Holdings, Inc. Delaware AES International Holdings, Ltd. British Virgin Islands AES Investments II, Ltd. Cayman Islands AES Investments Limited Cayman Islands AES Jericoacoara Ltda. Brazil AES Joshua Tree, Inc. Delaware AES Juniata, Inc. Delaware AES Kingston, Inc. Canada AES Lal Pir Limited Pakistan AES Las Mareas, Inc. Delaware AES Latin America, Inc. Delaware AES Latrobe Valley, BV Netherlands AES Light II, Inc. Delaware AES Light, Inc. Delaware AES Los Mina Finance Company Cayman Islands AES Los Mina Holdings, Inc. Delaware AES Mayan Holdings, S. de R.L. de C.V. Mexico AES Medway Electric Limited United Kingdom AES Medway Operations Limited United Kingdom AES Merida B.V. Netherlands AES Merida III, S. de R. L. de C. V. Mexico AES Merida Management Services, S. de R.L. de C.V. Mexico AES Merida Operations Cayman Islands AES Mexico Development, S. de R.L. de C.V. Mexico AES Mexico Farms, Inc. Delaware AES Miskolc, Inc. Delaware AES Monterey, Inc. Delaware AES Mt. Stuart B.V. Netherlands AES Ocean Springs, Ltd. Cayman Islands AES Oklahoma Management Co., Inc. Delaware AES Orissa Operations Private Limited India AES Pak Gen (Pvt) Company Pakistan AES Pak Gen Holdings, Inc. Mauritius AES Pakistan (Holdings) Limited United Kingdom AES Pakistan (Pvt) Ltd. Pakistan AES Pakistan Holdings Mauritius AES Pakistan Operations, Ltd. Delaware AES Partington Ltd. United Kingdom AES Pasadena, Inc. Delaware AES Piedmont II, Inc. Delaware AES Piedmont, Inc. Delaware AES Placerita, Inc. Delaware AES Power North, Inc. Delaware AES Power, Inc. Delaware AES Prachinburi Holdings B.V. Netherlands AES Rio Diamante, Inc. Delaware AES Rio Ozama Holdings, Ltd. Cayman Islands AES Riverside, Inc. Delaware AES San Nicolas, Inc. Delaware AES Shady Point, Inc. Delaware AES Silk Road Ltd. United Kingdom AES Silk Road, Inc. Delaware AES South City, L.L.C. Delaware AES ST Ekibastuz, LLP Kazakhstan Companhia Centro-Oeste de Distribuicao de Energia Eletrica (D.B.A. "AES Sul") Brazil AES Sul Distribuidora Gaucha de Energia S.A. Brazil AES Summit Generation Ltd. United Kingdom AES Suntree Power Ltd. Ireland AES Terneuzen Engineering B.V. Netherlands AES Terneuzen Management Services B.V. Netherlands AES Thames, Inc. Delaware AES Transpower, Inc. Delaware AES Transpower, Inc. Mauritius AES Treasure Cove, Ltd. Cayman Islands AES Trust I Delaware AES Trust II Delaware AES Turbine Equipment, Inc. Delaware AES Tyneside Ltd. United Kingdom AES UK Energy Holdings Ltd. United Kingdom AES UK Holdings, Ltd. United Kingdom AES Victoria Holdings BV Netherlands AES Victoria Partners B.V. Netherlands AES Warrior Run, Inc. Delaware AES Western Maryland Management Co., Inc. Delaware AES WR Limited Partnership Delaware AES Yucatan, S. de R.L. de C.V. Mexico AES/Sonat Adelanto, Inc. Delaware AES/Sonat Power, L.L.C. Virginia AESEBA Funding Corporation Delaware AESEBA S.A. Argentina Altai Power LLP Kazakhstan Anhui Liyuan - AES Power Co., Ltd. China Australian Power Holdings Netherlands Australian Power Partners B.V. Netherlands Bitacora B.V. Netherlands Borsod Energetikia, Kft. Hungary BV Partners Delaware Cavanal Minerals, Inc. Delaware Central Termica San Nicolas S.A. Argentina Cloghan Limited Northern Ireland Cloghan Point Holdings Limited Northern Ireland CMS Generation San Nicolas Company Michigan Coal Creek Minerals, Inc. Delaware DOC Dominicana, S.A. Dominican Republic DOC Guatemala S.A. Guatemala Dominican Power Metering, Ltd. Cayman Islands Dominican Power Partners LDC Cayman Islands Emerald Power Holdings C.V. Netherlands Empresa Distribuidora de Energia Norte S.A. Argentina Empresa Distribuidora de Energia Sur S.A. Argentina European Power Holdings B.V. Netherlands Gippsland Australia Global Power Holdings CV Netherlands Hazelwood Finance Limited Partnership Australia Hefei Zhongli Energy Co. Ltd. China Hidroelectrica Rio Juramento S.A. Argentina Hidrotermica San Juan S.A. Argentina Hunan Xiangci-AES Hydro Power Company Ltd. China Indian Queens Power Ltd. United Kingdom Inversora AES Americas S.A. Argentina Inversora de San Nicolas S.A. Argentina Jiaozuo Wan Fang Power Company Ltd. China Kingston Cogen Limited Partnership Canada Kingston Northern Lights, Inc. Canada Kingston Power Partners, Inc. Canada Kokomo Holdings Ltd. Cayman Islands Loy Yang Finance Corporation Pty Ltd Australia Morwell Australia Mountain Minerals, Inc. Delaware Mt. Stuart General Partnership Australia Nogradszen Kft Hungary Northern/AES Energy, LLC Minnesota Placerita Oil Co., Inc. Delaware Sichuan Fuling Aixi Power Company Ltd. China Tau Power Holdings BV Netherlands Terneuzen Cogen B.V. Netherlands Tisza Eromu Rt. Hungary Twin Rivers Power, Inc. Delaware UK Asset Management Services, Ltd. United Kingdom UK Energy Holdings Limited United Kingdom UK Power Finance Ltd United Kingdom Wuxi AES CAREC Gas Turbine Power Company Limited China Wuxi AES Zhong Hang Power Company Limited China Zarnowicka Elektrownia Gazowa S.A. Poland