##### 



3.1 List of Subsidiaries Company name
    
    Registered Office
    
    Activity
    
    Held byAburra BV
    
    Amsterdam (Holland)
    
    Holding company
    
    Pragma Energy SAAgassiz Beach LLC
    
    Minnesota -USA
    
    Electricity generation
from renewable sources
    
    CHI Minnesota Wind LLCAgricola Rio Sahuil Ltda
    
    Santiago (Chile)
    
    Electricity generation
from renewable sources
    
    Agricola Y Constructora
Rio Guanehue SAAgricola Y Constructora Rio
Guanehue SA
    
    Santiago (Chile)
    
    Electricity generation
from renewable sources
    
    Empresa Electrica
Panguipulli SA
Energia de Los Lagos LtdaApe Gruppo Enel S.r.l.
    
    Rome (Italy)
    
    Personnel administration
activities
    
    Enel S.p.A.Aquenergy Systems Inc.
    
    South Carolina - USA
    
    Electricity generation
from renewable sources
    
    Consolidated Hydro
Southeast Inc.Asotin Hydro Company Inc.
    
    Delaware -USA
    
    Electricity generation
from renewable sources
    
    Enel North America Inc.Autumn Hills LLC
    
    Minnesota -USA
    
    Electricity generation
from renewable sources
    
    CHI Minnesota Wind LLCAvisio Energia S.p.A.
    
    Trento (Italy)
    
    Gas distribution
    
    Enel Distribuzione Gas
S.p.A.Aziscohos Hydro Company Inc.
    
    Delaware -USA
    
    Electricity generation
from renewable sources
    
    Enel North America Inc.Barras Electricas Galaico
Asturianas SA
    
    Lugo (Spain)
    
    Electricity distribution
    
    Electra de Viesgo
Distribucion SLBarras Electricas
Generacion SL
    
    Lugo (Spain)
    
    Electricity generation
    
    Barras Electricas
Galaico Asturianas SABeaver Falls Water Power
Company
    
    Pennsylvania - USA
    
    Electricity generation
from renewable sources
    
    Beaver Valley Holdings
Ltd.Beaver Valley Holdings Ltd
    
    Pennsylvania - USA
    
    Electricity generation
from renewable sources
    
    Hydro Development Group
Inc.Beaver Valley Power Company
    
    Pennsylvania - USA
    
    Electricity generation
from renewable sources
    
    Hydro Development Group
Inc.Boott Hydropower Inc.
    
    Massachusetts - USA
    
    Electricity generation
from renewable sources
    
    Enel North America Inc.Camuzzi Finance SA
    
    Luxembourg
    
    Finance
    
    Enel Rete Gas S.p.A.Canastota Wind Power LLC
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    Essex CompanyCarbones Colombianos del
Cerrejon SA
    
    Bogotà (Colombia)
    
    Exploitation of coal mines
    
    Pragma Energy SA Aburra
BVC.A.R.T. Abruzzi S.r.l.
    
    Orio al Serio (Italy)
    
    Holding company for the
water sector
    
    Enel Rete Gas S.p.A.Central American Power
Services Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    Enel Latin America LLCCHI Acquisitions Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    Enel North America Inc.CHI Acquisitions II Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    CHI Finance Inc.CHI Black River Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    CHI Finance Inc.
 193




---



##### 



Company name
    
    Registered Office
    
    Activity
    
    Held byCHI Canada Inc.
    
    Québec - Canada
    
    Electricity generation
from renewable sources
    
    CHI Finance Inc.CHI Dexter Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    CHI Finance Inc.CHI Finance Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    Enel North America Inc.CHI Hydroelectric Company
Inc.
    
    Newfoundland - Canada
    
    Electricity generation
from renewable sources
    
    CHI Canada Inc.CHI Highfalls Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    CHI Finance Inc.CHI Idaho Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    CHI Acquisitions Inc.CHI Magic Valley Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    CHI Acquisitions Inc.CHI Minnesota Wind LLC
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    CHI Finance Inc.CHI Mountain States
Operations Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    CHI Acquisitions Inc.CHI Operations Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    Enel North America Inc.CHI Power Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    Enel North America Inc.CHI Power Marketing Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    Enel North America Inc.CHI Universal Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    Enel North America Inc.CHI West Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    CHI Acquisitions Inc.CHI Western Operations Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    CHI Acquisitions Inc.Cise S.r.l.
    
    Rome (Italy)
    
    Real estate management
    
    Enel S.p.A.Climare Scrl
    
    Genoa (Italy)
    
    Energy services
    
    Enel Distribuzione S.p.A.Co.Im Gas S.p.A.
    
    S.Maria a Colle (Italy)
    
    Plant management,
distribution and sale of
gas
    
    Enel Rete Gas S.p.A.Concert S.r.l.
    
    Rome (Italy)
    
    Certification of products
facilities and equipment
    
    Enel Produzione S.p.A.Coneross Power Corporation
Inc.
    
    South Carolina - USA
    
    Electricity generation
from renewable sources
    
    Aquenergy Systems Inc.Conexion Energetica
Centroamericana SA
    
    Guatemala
    
    Electricity generation
from renewable sources
    
    Enel Latin America LLC
Enel Green Power
International SAConexion Energetica
Centroamericana El Salvador
SA
    
    San Salvador (El
Salvador)
    
    Electricity generation
from renewable sources
    
    Grupo EGI SA de cv
EGI Holdco El Salvador
SA de cvConphoebus S.r.l.
    
    Catania (Italy)
    
    Research in the renewable
sources sector
    
    Enel S.p.A.Consolidated Hydro
Mountain States Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    CHI Acquisitions Inc.Consolidated Hydro New
Hampshire Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    CHI Universal Inc.Consolidated Hydro New
York Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    Enel North America Inc.Consolidated Hydro
Southeast Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    CHI Acquisitions II Inc.




---



##### 



Company name
    
    Registered Office
    
    Activity
    
    Held byConsolidated Hydro Vermont
Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    Enel North America Inc.Consolidated Pumped Storage
Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    Enel North America Inc.Constructora Cerro Pitren
Ltda
    
    Santiago (Chile)
    
    Electricity generation
from renewable sources
    
    Agricola Y Constructora
Rio Guanehue SACrosby Drive Investments
Inc.
    
    Massachusetts - USA
    
    Electricity generation
from renewable sources
    
    Asotin Hydro Company Inc.Ctida S.r.l.
    
    Milan (Italy)
    
    Engineering, water systems
    
    Enel.New-Hydro S.p.A.Dalmazia Trieste S.r.l.
    
    Rome (Italy)
    
    Real estate management
    
    Cise S.r.l.
Enel Facility Management
S.p.A.Deval S.p.A.
    
    Aosta (Italy)
    
    Electricity distribution
in Valle DAosta
    
    Enel S.p.A.EGI Costa Rica Viento SA
    
    Santa Ana (Costa Rica)
    
    Electricity generation from
renewable sources
    
    Energia Global de Costa
Rica SAEGI Holdco El Salvador SA
de cv
    
    San Salvador (El
Salvador)
    
    Electricity generation
from renewable sources
    
    Enel Green Power
International SA
Enel Latin America LLCElectra de Viesgo
Distribuciòn SL
    
    Santander (Spain)
    
    Distribution and sale of
electricity
    
    Enel Distribuzione S.p.A.Electrificadora Ecologica SA
    
    Santa Ana (Costa Rica)
    
    Electricity generation
from renewable sources
    
    ZMZ General SAEmpresa Electrica
Panguipulli SA
    
    Santiago (Chile)
    
    Electricity generation
from renewable sources
    
    Energia de Los Lagos Ltda
Energia Alerce LtdaEmpresa Electrica Puyehue SA
    
    Santiago (Chile)
    
    Electricity generation
from renewable sources
    
    Energia de Los Lagos Ltda
Energia Alerce LtdaEnel Capital S.r.l.
    
    Rome (Italy)
    
    Venture capital
    
    Enel S.p.A.Enel Comercializadora de
Gas SA
    
    Madrid (Spain)
    
    Sale of gas and electricity
    
    Enel Trade S.p.A.Enel Distribuzione S.p.A.
    
    Rome (Italy)
    
    Electricity distribution
    
    Enel S.p.A.Enel Distribuzione Gas
S.p.A.
    
    Milan (Italy)
    
    Gas distribution
    
    Enel S.p.A.Enel Energia S.p.A.
    
    Rome (Italy)
    
    Sale of electricity
    
    Enel S.p.A.Enel Facility Management
S.p.A. (previously Enel
Real Estate S.p.A.)
    
    Rome (Italy)
    
    Real estate and facility
management
    
    Enel S.p.A.Enel.Factor S.p.A.
    
    Rome (Italy)
    
    Factoring
    
    Enel S.p.A.Enel Finance International
SA
    
    Luxembourg
    
    Finance
    
    Enel Produzione S.p.A.
Enel Distribuzione
S.p.A.Enel Gas S.p.A.
    
    Milan (Italy)
    
    Sale of gas
    
    Enel S.p.A.Enel Generation Holding BV
    
    Amsterdam (Holland)
    
    Holding company
    
    Enel Produzione S.p.A.Enel Geothermal Holdings
Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    Enel North America Inc.Enel Green Power S.p.A.
    
    Pisa (Italy)
    
    Electricity generation
from renewable sources
    
    Enel S.p.A.Enel Green Power Hellas SA
    
    Athens (Greece)
    
    Electricity generation
from renewable sources
    
    Enel Green Power S.p.A.Enel Green Power
International SA
    
    Luxembourg
    
    Holding of foreign
companies operating in the
electricity generation
from renewable sources
    
    Enel Green Power S.p.A.
Enel Investment Holding
BV




---



##### 



Company name
    
    Registered Office
    
    Activity
    
    Held byEnel Heber Geothermal
Partners I Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    Enel Geothermal Holdings
Inc.Enel Heber Geothermal
Partners II Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    Enel Geothermal Holdings
Inc.Enel Holding Luxembourg SA
    
    Luxembourg
    
    Finance
    
    Enel Investment Holding
BVEnel.Hydro S.p.A.
    
    Rome (Italy)
    
    Engineering, water systems
    
    Enel S.p.A.Enel Investment Holding BV
    
    Amsterdam (Holland)
    
    Holding company
    
    Enel S.p.A.Enel Ireland Finance Ltd
    
    Dublin (Ireland)
    
    Finance
    
    Enel Finance
International SAEnel.it S.r.l.
    
    Rome (Italy)
    
    Information technology
    
    Enel S.p.A.Enel Latin America LLC
(previously EGI LLC)
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    Enel Green Power
International SAEnel Logistica Combustibili
S.r.l.
    
    Rome (Italy)
    
    Fuel logistics
    
    Enel Trade S.p.A.Enel M@p S.p.A.
    
    Rome (Italy)
    
    Services
    
    Enel Distribuzione
S.p.A. Cise S.r.l.Enel.Net S.r.l.
    
    Rome (Italy)
    
    Creation and management of
telecommunication networks
    
    Wind Telecomunicazioni
S.p.A.Enel.NewHydro S.r.l.
    
    Rome (Italy)
    
    Ingegneria civile e
meccanica, sistemi idrici
    
    Enel S.p.A.Enel North America Inc.
(previously CHI Energy Inc.)
    
    Connecticut - USA
    
    Electricity generation
from renewable sources
    
    Enel Green Power
International SAEnelpower S.p.A.
    
    Milan (Italy)
    
    Engineering and contracting
    
    Enel S.p.A.Enelpower Contractor and
Development Saudi Arabia
Ltd
    
    Riyadh (Saudi Arabia)
    
    Power plant construction,
management and maintenance
    
    Enelpower S.p.A.Enelpower do Brasil Ltda
    
    Rio de Janeiro (Brasil)
    
    Engineering and contracting
    
    Enelpower S.p.A.Enelpower UK Ltd
    
    London (United Kingdom)
    
    Engineering and contracting
    
    Enelpower S.p.A.Enel Produzione S.p.A.
    
    Rome (Italy)
    
    Electricity generation
    
    Enel S.p.A.Enel.Re Ltd
    
    Dublin (Ireland)
    
    Reinsurance
    
    Enel Holding
Luxembourg SAEnel Rete Gas S.p.A.
(previously Camuzzi
Gazometri S.p.A.)
    
    Milan (Italy)
    
    Natural gas distribution
and sales; waste
management
    
    Enel Distribuzione Gas
S.p.A.Enel Service UK Ltd
    
    London (United Kingdom)
    
    Services
    
    Enel Trade S.p.A.Enel.si - Servizi integrati
S.r.l.
    
    Rome (Italy)
    
    Engineering and energy
related services
    
    Enel S.p.A.Enel Sole S.r.l.
(previously Società luce
elettrica S.p.A. Gruppo
Enel)
    
    Rome (Italy)
    
    Public lighting systems
    
    Enel S.p.A.Enel Trade S.p.A.
    
    Rome (Italy)
    
    Fuel trading and logistics
- Sale of electricity
    
    Enel S.p.A.Enel Uniòn Fenosa
Renovables SA
    
    Madrid (Spain)
    
    Electricity generation
from renewable sources
    
    Enel Viesgo Renovables SLEnel Viesgo Renovables SL
    
    Santander (Spain)
    
    Holding company
    
    Viesgo Generacion SLEnel Viesgo Servicios SL
    
    Santander (Spain)
    
    Services
    
    Enel S.p.A.
Enel Produzione S.p.A.
Enel Distribuzione
S.p.A.Energia Alerce Ltda
    
    Santiago (Chile)
    
    Electricity generation
from renewable sources
    
    Enel Latin America LLC
Enel Green Power
International SA




---



##### 



Company name
    
    Registered Office
    
    Activity
    
    Held byEnergia de Los Lagos Ltda
    
    Santiago (Chile)
    
    Electricity generation
from renewable sources
    
    Energia Alerce Ltda
Enel Latin America LLCEnergias Especiales de
Careon SA
    
    La Coruna (Spain)
    
    Electricity generation
from renewable sources
    
    Enel Uniòn Fenosa
Renovables SAEnergias Especiales de
Castelo SA
    
    Madrid (Spain)
    
    Electricity generation
from renewable sources
    
    Enel Uniòn Fenosa
Renovables SAEnergias Especiales del
Noroeste SA
    
    Madrid (Spain)
    
    Electricity generation
from renewable sources
    
    Enel Uniòn Fenosa
Renovables SAEnergias Especiales de Pena
Armada SA
    
    Madrid (Spain)
    
    Electricity generation
from renewable sources
    
    Enel Uniòn Fenosa
Renovables SAEnergia Global SA de cv
    
    Connecticut - USA
    
    Electricity generation
from renewable sources
    
    Enel Latin America LLCEnergia Global de Costa
Rica SA
    
    Santa Ana (Costa Rica)
    
    Electricity generation
from renewable sources
    
    Enel Latin America LLCEnergia Global Operaciones
SA
    
    Santa Ana (Costa Rica)
    
    Electricity generation
from renewable sources
    
    Energia Global de Costa
Rica SAEssex Company
    
    Massachusetts - USA
    
    Electricity generation
from renewable sources
    
    Enel North America Inc.Florence Hills LLC
    
    Minnesota - USA
    
    Electricity generation
from renewable sources
    
    CHI Minnesota Wind LLCFulcrum Inc.
    
    Idaho - USA
    
    Electricity generation
from renewable sources
    
    Consolidated Hydro
Mountain States Inc.Gauley Hydro LLC
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    Essex CompanyGauley River Management
Corporation
    
    Vermont - USA
    
    Electricity generation
from renewable sources
    
    CHI Finance Inc.GE.AD.S.r.l.
    
    Milan (Italy)
    
    Gas distribution
    
    Enel Distribuzione Gas
S.p.A.Generadora de Occidente Ltda
    
    Guatemala
    
    Electricity generation
from renewable sources
    
    Enel Latin America LLC
Conexion Energetica
Centroamericana SAGestion Cogeneration Inc.
    
    Quebec - Canada
    
    Electricity generation
from renewable sources
    
    Hydrodev Inc.Grupo EGI SA de cv
    
    San Salvador (El
Salvador)
    
    Electricity generation
from renewable sources
    
    EGI Holdco El Salvador
SA de cv
Enel Latin America LLCHadley Ridge LLC
    
    Minnesota - USA
    
    Electricity generation
from renewable sources
    
    CHI Minnesota Wind LLCHighfalls Hydro Company Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    CHI Finance Inc.Hope Creek LLC
    
    Minnesota - USA
    
    Electricity generation
from renewable sources
    
    CHI Minnesota Wind LLCHosiery Mill Hydro Company
Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    CHI Acquisitions Inc.Hydrodev Inc.
    
    Québec - Canada
    
    Electricity generation
from renewable sources
    
    CHI Canada Inc.Hydro Development Group Inc.
    
    New York - USA
    
    Electricity generation
from renewable sources
    
    CHI Acquisitions II Inc.Hydro Energies Corporation
    
    Vermont - USA
    
    Electricity generation
from renewable sources
    
    CHI Finance Inc.Hydro Gestioni S.p.A.
    
    Milan (Italy)
    
    Water sector
    
    Enel.Hydro S.p.A.Hydro Gestioni Impianti
Tecnologici Scrl
    
    Milan (Italy)
    
    Water sector
    
    Enel.Hydro S.p.A.Idrosicilia S.p.A.
    
    Palermo (Italy)
    
    Water sector
    
    Enel S.p.A.




---



##### 



Company name
    
    Registered Office
    
    Activity
    
    Held byIridea S.r.l.
    
    Milan (Italy)
    
    Consultancy services
    
    Enel Gas S.p.A.Italia On Line S.r.l.
    
    Milan (Italy)
    
    Internet services
    
    WIND S.p.A.IT-net S.r.l.
    
    Rome (Italy)
    
    Network information
systems
    
    WIND S.p.A. Mondo WIND
S.r.l.Jack River LLC
    
    Minnesota - USA
    
    Electricity generation
from renewable sources
    
    CHI Minnesota Wind LLCJessica Mills LLC
    
    Minnesota - USA
    
    Electricity generation
from renewable sources
    
    CHI Minnesota Wind LLCJoseph Hydro Company Inc.
    
    Delaware -USA
    
    Electricity generation
from renewable sources
    
    CHI Acquisitions II Inc.Julia Hills LLC
    
    Minnesota - USA
    
    Electricity generation
from renewable sources
    
    CHI Minnesota Wind LLCKings River Hydro Company
Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    CHI Finance Inc.Kinneytown Hydro Company
Inc.
    
    Delaware - USA
    
    Electricity generation

from renewable sources
    
    Enel North America Inc.LaChute Hydro Company Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    Enel North America Inc.Lawrence Hydroelectric
Associates LP
    
    Massachusetts - USA
    
    Electricity generation
from renewable sources
    
    Essex Company Crosby
Drive Investments Inc.Littleville Power Company
Inc.
    
    Massachusetts - USA
    
    Electricity generation
from renewable sources
    
    Hydro Development Group
Inc.Lower Saranac Corporation
    
    New York - USA
    
    Electricity generation
from renewable sources
    
    CHI Acquisitions Inc.Maritza East III Power
Company AD
    
    Sofia (Bulgaria)
    
    Electricity generation
    
    Maritza East III Power
Holding BVMaritza East III Power
Holding BV
    
    Amsterdam (Holland)
    
    Holding company
    
    Enel Generation Holding
BVMascoma Hydro Corporation
    
    New Hampshire - USA
    
    Electricity generation
from renewable sources
    
    CHI Acquisitions II Inc.Metan Gas Sicilia S.r.l.
    
    Rome (Italy)
    
    Gas distribution
    
    Enel Distribuzione Gas
S.p.A.Metro Wind LLC
    
    Minnesota - USA
    
    Electricity generation
from renewable sources
    
    CHI Minnesota Wind LLCMill Shoals Hydro
Company Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    CHI Finance Inc.Minnewawa Hydro Company
Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    Enel North America Inc.Mobilmat S.p.A.
    
    Milan (Italy)
    
    Finance
    
    WIND S.p.A.Molinos de Viento del
Arenal SA
    
    Santa Ana (Costa Rica)
    
    Electricity generation
from renewable sources
    
    Electrificadora
Ecologica SAMondo WIND S.r.l.
    
    Rome (Italy)
    
    Sale of
telecommunication
products and services
    
    WIND S.p.A.
IT-net S.r.l.Newind Group Inc.
    
    Newfoundland - Canada
    
    Electricity generation
from renewable sources
    
    Chi Canada Inc.Newreal S.p.A.
    
    Rome (Italy)
    
    Real Estate
    
    Enel Facility
Management S.p.A.North Canal Waterworks
    
    Massachusetts - USA
    
    Electricity generation
from renewable sources
    
    Essex CompanyNotch Butte Hydro
Company Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    CHI Finance Inc.Novatrans Energia SA
    
    Rio De Janeiro (Brazil)
    
    Creation and
maintenance of
electricity
transmission networks
    
    Terna S.p.A.




---



##### 



Company name
    
    Registered Office
    
    Activity
    
    Held byOperacion Y Mantenimiento
Tierras Morenas SA
    
    Santa Ana (Costa Rica)
    
    Electricity generation
from renewable sources
    
    Electrificadora
Ecologica SAOptigaz Inc.
    
    Québec - Canada
    
    Electricity generation
from renewable sources
    
    CHI Canada Inc.Ottauquechee Hydro
Company Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    CHI Finance Inc.Parque Eolico de
Coucepenido SA
    
    La Coruna (Spain)
    
    Electricity generation
from renewable sources
    
    Enel Uniòn Fenosa
Renovables SAParque Eolico de Os
Corvos SA
    
    La Coruna (Spain)
    
    Electricity generation
from renewable sources
    
    Enel Uniòn Fenosa
Renovables SAPelzer Hydro Company Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    Consolidated Hydro
Southeast Inc.P.H. Don Pedro SA
    
    Santa Ana (Costa Rica)
    
    Electricity generation
from renewable sources
    
    Energia Global de Costa
Rica SAP.H. Guacimo SA
    
    Santa Ana (Costa Rica)
    
    Electricity generation
from renewable sources
    
    EGI LLC Energia Global
de Costa Rica SAP.H. Rio Volcan SA
    
    Santa Ana (Costa Rica)
    
    Electricity generation
from renewable sources
    
    Energia Global de Costa
Rica SAPragma Energy SA
    
    Lugano (Switzerland)
    
    Coal trading
    
    Enel Trade S.p.A.Pragma Energy Services Ltd
    
    London (United Kingdom)
    
    Administrative services
    
    Pragma Energy SARuthton Ridge LLC
    
    Minnesota - USA
    
    Electricity generation
from renewable sources
    
    CHI Minnesota Wind LLCS.A.M.I.G. S.r.l.
    
    LAquila (Italy)
    
    Services
    
    Enel Distribuzione Gas
S.p.A.Sfera - Società per la
formazione e le risorse
aziendali S.r.l.
    
    Rome (Italy)
    
    Human resources
    
    Enel S.p.A.
Enelpower S.p.A.Sheldon Vermont Hydro
Company Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    CHI Acquisitions Inc.Siciliacque S.p.A.
    
    Palermo (Italy)
    
    Water sector
    
    Idrosicilia S.p.A.Sicilmetano S.p.A
    
    Catania (Italy)
    
    Gas distribution
    
    Enel Distribuzione Gas
S.p.A.Sicilmetano Energy S.r.l.
    
    Catania (Italy)
    
    Gas sale
    
    Enel Gas S.p.A.Slate Creek Hydro Company
Inc.
    
    Delaware - USA
    
    Electricity generation

from renewable sources
    
    CHI Acquisitions II Inc.So.l.e. Milano H Scrl
    
    Rome (Italy)
    
    Construction of public
lighting systems
    
    Enel Sole S.r.l.Soliloquoy Ridge LLC
    
    Minnesota - USA
    
    Electricity generation
from renewable sources
    
    CHI Minnesota Wind LLCSomersworth Hydro Company
Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    CHI Universal Inc.Southwest Transmission LLC
    
    Minnesota - USA
    
    Electricity generation
from renewable sources
    
    CHI Minnesota Wind LLCSpartan Hills LLC
    
    Minnesota - USA
    
    Electricity generation
from renewable sources
    
    CHI Minnesota Wind LLCSummit Energy Storage Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    Enel North America Inc.Summit Finance Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    Summit Energy Storage
Inc.Sun River LLC
    
    Minnesota - USA
    
    Electricity generation
from renewable sources
    
    CHI Minnesota Wind LLCSweetwater Hydroelectric
Inc.
    
    New Hampshire - USA
    
    Electricity generation
from renewable sources
    
    CHI Acquisitions II Inc.




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##### 



Company name
    
    Registered Office
    
    Activity
    
    Held byTecnoguat SA
    
    Guatemala
    
    Electricity generation
from renewable sources
    
    Enel Latin America LLCTellas Telecommunications
SA
    
    Athens (Greece)
    
    Telecommunications
    
    WIND-PPC Holding NVT.E.R.NA. -Trasmissione
Elettricità Rete
Nazionale S.p.A.
    
    Rome (Italy)
    
    Ownership and
maintenance of the
electricity
transmission network
    
    Enel S.p.A.The Great Dam Corporation
    
    Massachusetts - USA
    
    Electricity generation
from renewable sources
    
    Lawrence Hydroelectric
Associates LPTKO Power Inc.
    
    California - USA
    
    Electricity generation
from renewable sources
    
    CHI West Inc.Tsar Nicholas LLC
    
    Minnesota -USA
    
    Electricity generation
from renewable sources
    
    CHI Minnesota Wind LLCT.S.N. - Transmissora
Sudeste Nordeste SA
    
    Rio De Janeiro (Brazil)
    
    Construction,
ownership and
maintenance of
transmission network
    
    Terna S.p.A.Twin Falls Hydro Company
Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    CHI Acquisitions Inc.Twin Lake Hills LLC
    
    Minnesota - USA
    
    Electricity generation
from renewable sources
    
    CHI Minnesota Wind LLCTwin Saranac Holdings LLC
    
    Delaware- USA
    
    Electricity generation
from renewable sources
    
    Enel North America Inc.Viesgo Energia SL
    
    Santander (Spain)
    
    Sale of electricity
and natural gas
    
    Electra de Viesgo
Distribucion SLViesgo Generacion SL
    
    Santander (Spain)
    
    Generation and sale of
electricity
    
    Enel Produzione S.p.A.Ware Hydro Company Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    CHI Finance Inc.Water & Industrial
Services Company S.p.A.
    
    Rome (Italy)
    
    Water depuration
    
    Enel.NewHydro S.r.l.WEBiz Holding BV
    
    Amsterdam (Holland)
    
    Venture capital
    
    Enel Investment Holding
BVWestern New York Wind
Corporation
    
    New York - USA
    
    Electricity generation
from renewable sources
    
    Enel North America Inc.Willimantic Hydro
Company Inc.
    
    Delaware - USA
    
    Electricity generation
from renewable sources
    
    CHI Acquisitions Inc.Willimantic Power
Corporation
    
    Connecticut - USA
    
    Electricity generation
from renewable sources
    
    Willimantic Hydro
Company Inc.WIND-PPC Holding NV
    
    Amsterdam (Holland)
    
    Holding company in the
telecommunications
sector
    
    WIND S.p.A.WIND Telecomunicazioni
S.p.A.
    
    Rome (Italy)
    
    Telecommunications
    
    Enel S.p.A.
Enel Investment Holding
BVWinters Spawn LLC
    
    Minnesota - USA
    
    Electricity generation
from renewable sources
    
    CHI Minnesota Wind LLCZMZ General SA
    
    Santa Ana (Costa Rica)
    
    Electricity generation
from renewable sources
    
    EGI Costa Rica Viento SA