List of Subsidiaries of AEI
 OwnershipInterest
    
    2008 Accounting
    
    JurisdictionCompany Name
    
    (%)
    
    Method
    
    of Incorporation
    
    SegmentAccroven SRL (Accroven)
    
    
    49.25
    
    
    Equity Method
    
    Barbados
    
    Natural gas transportation and servicesBeijing Macro Gas Link Co. Ltd (BMG)
    
    
    70.00
    
    
    Consolidated
    
    China
    
    Natural gas distributionGas Natural de Lima y Callao S.A. (Calidda)
    
    
    80.85
    
    
    Consolidated
    
    Peru
    
    Natural gas distributionChilquinta Energia S.A. (Chilquinta)
    
    
    50.00
    
    
    Equity Method
    
    Chile
    
    Power distributionConsorcio Eólico Amayo S.A. (Amayo)
    
    
    12.72
    
    
    
    
    Panama
    
    Power generationDHA Cogen Limited (DCL)
    
    
    60.22
    
    
    Consolidated
    
    Pakistan
    
    Power generationDistribuidora de Electricidad Del Sur, S.A. de C.V. (Delsur)
    
    
    86.41
    
    
    Consolidated
    
    El Salvador
    
    Power distributionEmpresa Distribuidora de Energia Norte, S.A. (EDEN)
    
    
    90.00
    
    
    Consolidated
    
    Argentina
    
    Power distributionElektra Noreste S.A. (Elektra)
    
    
    51.00
    
    
    Consolidated
    
    Panama
    
    Power distributionElektrocieplownia Sp. z.o.o. (ENS)
    
    
    100.00
    
    
    Consolidated
    
    Poland
    
    Power generationElektro  Eletricidade e Serviços S.A. (Elektro)
    
    
    99.68
    
    
    Consolidated
    
    Brazil
    
    Power distributionEmgasud S.A. (Emgasud)
    
    
    37.00
    
    
    Equity Method
    
    Argentina
    
    Power generationEmpresa Distribuidora Electrica Regional S.A. (EMDERSA)
    
    
    19.91
    
    
    
    
    Argentina
    
    Power distributionEmpresa Energetica Corinto Ltd. (Corinto)
    
    
    57.67
    
    
    Consolidated
    
    Cayman Islands
    
    Power generationEPE  Empresa Produtora de Energia Ltda. (EPE)(a)
    
    
    50.00
    
    
    Consolidated
    
    Brazil
    
    Power generationEmpresa Electrica de Generacion de Chilca S.A. (Fenix)
    
    
    85.00
    
    
    Consolidated
    
    Peru
    
    Power generationGas Transboliviano S.A. (GTB)
    
    
    17.65
    
    
    Cost Method
    
    Bolivia
    
    Natural gas transportation and servicesGasOcidente do Mato Grosso Ltda. (GOM)(a)
    
    
    50.00
    
    
    Consolidated
    
    Brazil
    
    Natural gas transportation and servicesGasOriente Boliviano Ltda. (GOB)(a)
    
    
    50.00
    
    
    Consolidated
    
    Bolivia
    
    Natural gas transportation and servicesGeneradora San Felipe Limited Partnership (Generadora San Felipe)
    
    
    100.00
    
    
    Consolidated
    
    Turks & Caicos
    
    Power generationJaguar Energy Guatemala LLC (Jaguar)
    
    
    100.00
    
    
    Consolidated
    
    Delaware
    
    Power generationJamaica Private Power Corporation (JPPC)
    
    
    84.42
    
    
    Consolidated
    
    Jamaica
    
    Power generationLuoyang Yuneng Sunshine Cogeneration Company Limited (Luoyang)
    
    
    50.00
    
    
    Consolidated
    
    China
    
    Power generationOperadora San Felipe Limited Partnership (Operadora San Felipe)
    
    
    100.00
    
    
    Consolidated
    
    Turks & Caicos
    
    Power generationPeruvian Opportunity Company SAC (POC)
    
    
    50.00
    
    
    Equity Method
    
    Peru
    
    Power distributionPromigas S.A. E.S.P. (Promigas)
    
    
    52.13
    
    
    Consolidated
    
    Colombia
    
    Natural gas transportation and
services, Natural gas distribution and
Retail fuelPuerto Quetzal Power LLC (PQP)
    
    
    100.00
    
    
    Consolidated
    
    Delaware
    
    Power generationSubic Power Corp. (Subic)(b)
    
    
    50.00
    
    
    Equity Method
    
    Philippines
    
    Power generationTipitapa Power Company Ltd (Tipitapa)
    
    
    57.67
    
    
    Consolidated
    
    Cayman Islands
    
    Power generationTongda Energy Private Limited (Tongda)
    
    
    100.00
    
    
    Consolidated
    
    Singapore
    
    Natural gas distributionTrakya Elektrik Uretim ve Ticaret A.S. (Trakya)
    
    
    59.00
    
    
    Consolidated
    
    Turkey
    
    Power generationTransborder Gas Services Ltd. (TBS)(a)
    
    
    50.00
    
    
    Consolidated
    
    Cayman Islands
    
    Natural gas transportation and servicesTransportadora Brasileira Gasoduto Bolivia-Brasil S.A. TBG (TBG)
    
    
    4.21
    
    
    Cost Method
    
    Brazil
    
    Natural gas transportation and servicesTransredes-Trasporte de Hidrocarburos S.A. (Transredes)
    
    
    1.28
    
    
    Cost Method
    
    Bolivia
    
    Natural gas transportation and services
 
 (a)
    
    These four companies comprise the integrated project Cuiabá.(b)
    
    The BOT agreement for Subic expired in February 2009 and the plant was turned over to the
National Power Corporation of the Philippines, however AEI continues to hold interests in the
holding company.