Electricity in Argentina


The market-leading electricity practice of O'Farrell has broad experience across the power sector, spanning the full range of contentious and non-contentious issues. The team advises upstream and downstream clients on relevant M&A, tax, labour and regulatory matters, as well as arbitration and litigation. Another key area of expertise is the growing renewables segment. The deep bench of specialised industry-experts is co-led by Uriel O’Farrell, who focuses on corporate work, M&A and general energy advice; regulatory specialist Agustín Siboldi; and Agustina Fanelli Evans, who advises leading industry players on regulatory, administrative and constitutional matters. At associate level, senior María Fortuna and intermediates Ana Belén Micciarelli and Nicolás Vázquez all have experience advising on public law and economic regulation.

Practice head(s):

Uriel O’Farrell; Agustin Siboldi; Agustina Fanelli Evans


‘The service provided by the firm maintains an adequate balance between the necessary depth of legal analysis required and the business of the company.’

‘As strengths, their professionalism, knowledge of the law and understanding of the dynamics stand out’.

‘All professionals have solid technical knowledge in their respective areas of competence, they understand the business and the client’s needs, and they are of great human value; Uriel O’Farrell, Agustin Siboldi and Agustina Fanelli’.

Key clients

Latinoamericana de Energía

YPF Energía Eléctrica

Pampa Energía

Naturgy BAN, Natural Energy and Natural Servicios

Compañía General De Electricidad

Equinor Argentina

Transener  and Transba

Empresa Distribuidora y Comercializadora Norte

Parques Eólicos

Empresa de Distribución Eléctrica de Tucumán

Energía de Entre Ríos, Sociedad Anónima – ENERSA

Empresa Jujeña de Energía

Energy Consulting Services

Work highlights

  • Advising Latinoamericana de Energía in connection with several renewable projects toalling approximately 700MW developed under the RenovAr and MaTer programs.
  • Ongoing advice to YPF Luz since its entry into a joint venture with General Electric (when YPF Luz had only limited capacity).
  • Ongoing accompaniment of Pampa Energía since its incorporation (originally as Dolphin Group), until today when it is major sector player.

Beccar Varela

The full service Beccar Varela's strong electricity practice is active at all stages in the power sector, including generation, transmission and distribution, as well as working with large consumers. Acting for both national and international clients, the team operates in the thermal, hydro, wind, solar, biogas and geothermal segments, as well as providing experience in government privatizations, international bids and concession contract renegotiations. Core specialisms that allow the department to advise so broadly in the power sector include its regulatory expertise and its knowledge of the ever more prominent renewables sector. José Carlos Cueva leads the team and brings expertise in energy law and natural resources law, as well as economic regulation, public services and public bidding processes. His team was boosted by the March-2021 the arrival of former YFP Luz legal director (and fomer O'Farrell partner), Ricardo Castañeda, who focuses on M&A, corporate law, project finance and energy. Senior associate Gonzalo Viña, who has both litigious and energy-sector advisory experience, is also noted.

Practice head(s):

José Carlos Cueva

Key clients

Total EREN

Canadian Solar

YPF (electricity)

APR Energy

Hive Energy (UK)

Flex Wind – Manutenção e Instalação de Sistemas Eólicos

Líneas de Transmisión del Litoral

Inter-American Development Bank


Goldwind International Holdings (HK) Limited

Work highlights

  • Advised Total Eren on its participation in an international bidding process called by the National Government to award Power Purchase Agreements, with the company submitting tenders for several wind and solar projects; as well as advice on the acquisition of renewable PPA awarded projects in Argentina, and on regulatory, tax and due diligence matters.
  • Ongoing advice to Swift Argentina regarding regulatory and contractual matters related to the company’s energy requirements as a “large consumer” in the Wholesale Electricity Market, including negotiation of a long-term power purchase agreement with a private supplier.
  • Ongoing advice to Hive Energy regarding the development of solar power plants in Argentina, including corporate matters, land lease, participation in provincial tenders; possible participation in national bidding processes related to renewable energy PPAs; and participation in the national bidding process in connection with the Private Renewable Energy Market (Mercado a Término de las Energías Renovables).

Bruchou, Fernández Madero & Lombardi

Bruchou, Fernández Madero & Lombardi is well regarded for its ‘deep knowledge of the energy sector in Argentina, and not exclusively of the legal aspects, but of the market in general, its institutions, public officials involved, economic issues and other aspects’. The practice draws from multidisciplinary expertise in regulatory, corporate, tax, customs, environmental, financing and M&A law, to provide comprehensive renewable and conventional power generation advice. Public tenders and green field projects are both particular strengths. Mariano Luchetti handles matters related to the generation, transportation and distribution of electricity in Argentina. He co-leads the team with energy-projects specialist Exequiel Buenaventura; and Ignacio Minorini Lima, who is recommended for his ‘excellent knowledge of the electric energy market in Argentina, and of renewable energy in particular’. In the wake of former senior associate Eliana Hougassian's move in house at Grupo Albanesi in October 2020, key associate support comes from senior María Laura Rozan, who focuses on administrative and regulatory matters.

Practice head(s):

Mariano Luchetti; Ignacio Javier Minorini Lima; Exequiel Buenaventura


‘They are always available for inquiries and are generally informed of the latest data from a market that is very small and specific’.

‘They understand the business model of my company, the situation that we have to go through and generally suggest innovative and legally sustainable courses of action’.

‘The partners have a high level of expertise. Their understanding of the situation of the clients and compromise with them makes them unique’.

‘We have been working with Exequiel Buenaventura and Ignacio Minorini. Both of them know our company very well and provide according to our needs.’

‘The team of this firm has a deep knowledge of the energy sector in Argentina, and not exclusively of the legal aspects, but of the market in general, its institutions, public officials involved, economic issues and other aspects that provide management solid and, consequently, very effective professional advice’.

‘Compared to other firms, I believe that Bruchou is in a better position to provide very good quality advice on energy matters. I believe that the most relevant novelty is its rapid and appropriate adaptation to current times, to overcome the restrictions in force as a result of the COVID-19 pandemic. They have maintained a good disposition and active collaboration, despite the difficulties.’

‘Especially within the energy area, I consider that Ignacio Minorini Lima has an excellent knowledge of the electric energy market in Argentina, and of renewable energy in particular’.

‘The main plus is given by its adaptability to dynamic conditions, both at a strictly regulatory level and in the business in general’.

Key clients

AES Energy


Barrick Exploraciones Argentina

Canadian Solar

Central Puerto

Central Termoeléctrica Ensenada de Barragán

Corporación América

China Development Bank

Elawan Energy Developments





Minera Andina del Sol

MSU Group


Pan American Energy

Petroquímica Comodoro Rivadavia


Termoeléctrica José de San Martín

Work highlights

  • Appointed by Goldwind to deal with one of its most sensitive matters: the execution of the construction, operation and maintenance agreements (and regulatory agreements required for interconnection and expansion of the grid) with the power transmission companies for each of its five genergation projects.
  • Advised Laboratorio Elea Phoenix on several power purchase agreements.
  • Rendered legal services to Envision concerning the development of two power generation projects in Argentina (for an aggregate of almost 200MW), involving regulatory, environmental, tax, customs, financing, and general corporate and labour matters.

Martínez de Hoz & Rueda

Martínez de Hoz & Rueda specialises in project and secured financing for conventional and renewable energy projects, representing international credit agencies, ECAs and leading commercial banks. The firm’s deep bench of expertise covers the key related areas of corporate, tax and regulatory law, particularly foreign exchange regulations. Another forte of the group is contract renegotiations, an area in which it has been increasingly active recently. Public law expert Juan Cruz Azzarri co-leads the team with Jimena Vega Olmos, who focuses on power, public law, infrastructure, project financing and international arbitration. Founding partner José Alfredo Martínez de Hoz also advises on energy projects and arbitration in the sector; and senior associate Marcos Blanco  (energy, renewables, oil & gas and TMT) is also noted.

Practice head(s):

Juan Cruz Azzarri; Jimena Vega Olmos

Key clients


Corporación Andina de Fomento




Green Power Renewables

International Finance Corporation

Jinko Power and JinkoSolar Holding



Orazul Energy

Parque Eólico Arauco

Petroquímica Comodoro Rivadavia

WeLink Energy Group


YPF Energía Eléctrica

Work highlights

  • Represented YPF Energía Eléctrica in the $150m financing of the  121MW Cañadón León wind-farm project.
  • Acted as counsel to Corporación Andina de Fomento (CAF), Banco de Inversión y Comercio Exterior (BICE) and Banco de la Ciudad de Buenos Aires, as lenders, on the $75m project financing of the 80MWh Cafayate solar-power project in Salta, Argentina.
  • Regular advice on all legal matters pertaining to Goldwind’s development of five wind farms in Argentina totalling 348MWs.

Marval O’Farrell Mairal

Covering the entire electricity generation and supply chain, Marval O’Farrell Mairal combines regulatory, transactional and administrative law expertise, with commercial understanding. The practice is also distinguished by its experience in cross-border matters and can draw on expertise in utilities and tax within the full-service firm. A particular strength is renewable energy matters, where the group advises on a range of wind, solar and hydropower. Sebastián Iribarne focuses on transactional electricity issues (including privatisation processes), and co-leads the team with Francisco MacÍas, an experienced senior figure who specialises in international and local power transactions, contracts and regulatory matters. Another key name is that of Gonzalo Santamaria, raised to the partnership in August 2021, he has experience in complex regulatory and contract issues, notably in relation to thermal, hydroelectric and renewable energy projects.

Practice head(s):

Sebastian Iribarne; Francisco Macías

Key clients


General Electric (GE)

Gezhouba Group

Interconexión Eléctrica

Scatec Solar


Canadian Solar

Engie – Tractebel Energía


San Martin del Tabacal

Loma Negra






Sealed Air

MWh Solar

Algonquin Power


Work highlights

  • Advise China’s Gezhouba Group on regulatory power issues and contract negotiation related to the construction of the largest hydroelectric project currently under development in the country, consisting of two hydroelectric dams in the Province of Santa Cruz: Nestor Kirchner and Jorge Cepernic.
  • Advising MWh Solar -the first self-generator to secure the fiscal benefits contained in Law No. 27,191- on regulatory and contractual matters regarding its project.
  • Advising Algonquin Power in connection with a potential renewable project pursuant to which this client will provide renewable energy to a hydrocarbon project.

Pozo Gowland Abogados

Regulated industries niche-player, Pozo Gowland Abogados specialises in all key aspects of the power industry, with standalone offerings in energy, administrative law, public utilities and regulation, and engineering and construction. The firm represents electricity clients across the full power supply chain, from generation through to transmission and distribution processes. Founding partner Héctor Pozo Gowland is widely recognised as an industry leader and focuses on administrative law and regulatory matters.

Practice head(s):

Héctor Pozo Gowland

Tavarone, Rovelli, Salim & Miani

Tavarone, Rovelli, Salim & Miani houses an ‘extremely well-integrated team, able to pull together various aspects of legal practice very efficiently, be it finance, energy regulation or corporate matters’. The firm is also well regarded for its ‘great technical knowledge in the renewable energy industry’, a power segment of growing importance. Key strengths for the group include wind-power project-finance transactions, solar PV projects, corporate PPA, public tenders and project acquisitions, as well as refinancing and infrastructure financing deals. Nicolás Eliaschev leads the practice and is ‘one of Argentina's leading legal minds in energy law’. A key name in his team is senior associate Javier Constanzó, who focuses on public law, energy and infrastructure.

Practice head(s):

Nicolás Eliaschev


‘It is a team with great technical knowledge in the renewable energy industry.’

‘They have a great speed of response to complex questions, making it easier for the client to understand the subject.’

The firm knew how to adapt to the difficulties of the pandemic, remotely providing the same service that they provided while in the study.’

‘The ability to explain in simple words the complexity of the regulatory system related to the industry.’

‘Extremely well integrated team, able to pull together various aspects of legal practice together very efficiently, be it finance, energy regulation or corporate matters.’

‘Nicolas Eliaschev clearly is one of Argentina’s leading legal minds in energy law. Juan Pablo Bove supported us extremely efficiently on all corporate matters. Marcelo Tavarone efficiently guided us through the pitfalls in banking and capital markets law.’

Key clients


Banque Nationale de Paris Paribas




Design, Quality and Development

Central Puerto

ENEL Trading


Loma Negra

Orazul Energy

Enel Generación Costanera

Enel Green Power


Fuentes Renovables de Energía


Compañia MEGA

Neuss Fund

Enel Generación El Chocón

Work highlights

  • Advised BNP Paribas and DFC (formerly OPIC) in a non-recourse project finance ECA-covered loan to YPF Luz to build a 120MW wind project (Cañadon Seco).
  • Advising Orazul Energy in a highly-specialised arbitration against the Republic of Argentina under ICSID rules, for a breach of the Argentina-Spain bilateral investment treaty.
  • Advised KFW Ipex Bank on a complex transaction (involving a non-recourse project finance ECA-covered loan tranche and a corporate loan tranche) to Genneia to build four wind-power projects with a combined capacity exceeding 180 MW.

Allende & Brea

The multidisciplinary team at Allende & Brea advises power industry clients on transactional, regulatory, environmental, tax, financial and litigation matters. The firm is increasingly active in the design and construction of natural gas and combined cycle power plants, as well as in the renewable energy space; work in the latter area ranges from the negotiation of EPC contracts to the acquisition and financing of projects. Florencia Heredia leads the team and handles natural resources and energy matters, notably forestry, fisheries, mining law and environmental matters. Fellow partner Marcos Patron Costas undertakes cross border M&A and project financing, with a primary focus on the energy sector.

Practice head(s):

Florencia Heredia

Key clients





Energyst Rental Solutions

Nucleoeléctrica Argentina

GE Power

IDB Invest

China Machinery Engineering Corporation

Siemens Financial Services

Work highlights

  • Successfully representing Siemens  in a lawsuit filed against one of the most relevant local public-works constructors due to certain contractual breaches in the construction of a thermal power plant.
  • Representing GE Power in a lawsuit filed by an Argentine construction company regarding the construction of thermal nuclear power plant “Loma de la Lata” before local courts, in violation of the arbitration clause applicable to the contract.
  • Advised FMC Lithium (Livent) on the development of a renewable energy project to improve the supply of electricity to the communities within the zone of influence of the FMC (Livent)’s Salar del Hombre Muerto lithium project, which is currently undergoing a $300m expansion.

Baker McKenzie

Baker McKenzie’s local practice is set apart by its ability to draw on the firm's global network and know-how in the sector, while the local practitioners have deep experience across thermal, nuclear and hydroelectric generation, along with expertise in the growing renewables sector. Above and beyond the firm's full-service offering, the team specialises in public procurement and governmental contracts in the electricity area. Adolfo Durañona focuses on corporate and commercial transactions for companies in the oil and gas, mining and natural resources industries; and co-leads the team with Ezequiel Artola, who is known for energy, renewables and infrastructure advice.

Practice head(s):

Adolfo Durañona; Ezequiel Artola


‘Baker have great knowledge in the electrical industry’.

‘They differ in that they are good at regulatory issues without losing sight of the business that these projects pursue. Also in the practicality of their answers and in that they get involved knowing in depth the problems’.

‘Baker always presents balanced groups from a gender perspective. There are always women involved in jobs. They also offer technological and support aspects that other firms do not have. For example, in addition to being present from the aspect of legal news and during the pandemic with resources related to Covid, they offer us resources such as on-line courses more oriented to management and leadership for our team’.

‘Ezequiel Artola has extensive regulatory knowledge on electrical issues as well as negotiating complex issues. His attention to detail, availability and pro-business outlook make him an asset to face this type of project’.

‘Candelaria Munilla, an associate, has also proven to be a great asset of the Baker team. Attentive, thoughtful and knowledgeable in the industry’.

Key clients

China Triumph International Engineering

Colgate Palmolive

Procter and Gamble



Work highlights

  • Advised Colgate on the negotiation and modifications of their renewable energy & wind power purchase agreement, under the Renewable Source Electric Power Term Market Regime (MaTer) framework, which regulates the Argentina’s private power market.
  • Currently assisting CTIEC in relation to the construction of photovoltaic projects in the province of Cordoba, providing comprehensive legal advice, including regulatory matters, transactional issues under the EPC agreement, and environmental matters raised by local authorities.
  • Advising long-time client Bunge on a complex cogeneration project for power and steam generation with Central Puerto; assisting the client on all aspects of the process, including regulatory issues arising in relation to the project and construction delays.


Bomchil is well regarded for its work in key energy-sector matters, with a track record including the construction of an additional high-voltage electricity transmission line between Comahue and Buenos Aires; the first relevant electricity agreements under the current regime; and renewable power purchase agreements between private parties; it also handles international disputes in the area. Currently the team is increasingly active assisting renewable power generators with regulatory and contractual matters. Long-standing power specialist María Inés Corrá leads the team and is also co-head of the administrative law, economic regulation and international arbitration practices.

Practice head(s):

María Inés Corrá

Key clients

Miramar Power

Buenos Aires Arena



SBA Communications Corporation




Work highlights

  • Representing Stoneway-subsidiary Araucaria in administrative proceedings regarding the closure of one of its new power plants by the local municipality and provincial environmental authorities in the Province of Buenos Aires.
  • Advising generator Miramar Power on a matter related to unilateral modifications of the remuneration applied to legacy power generators.
  • Advised major automotive solutions provider Metalsa on the negotiation of MaTer contracts (Mercado a Término de Energías Renovables) for energy supply from renewable sources with a major Argentine energy company.

Díaz Bobillo, Richard & Sigwald Abogados

Boutique firm Díaz Bobillo, Richard & Sigwald Abogados specialises in energy and administrative law, advising across the spectrum of electricity matters, including regulatory, commercial and contentious issues. Key names in the team include name-partner Víctor Díaz Bobillo, who is known for his broad power-sector practice, and energy regulation expert Manuel Goyenechea.

Practice head(s):

Víctor Díaz Bobillo

Brons & Salas

Combining expertise in public law, regulation and litigation, Brons & Salas advises on the development of power generation projects, and on issues related to electricity generation in general, on renewable energy and environmental law. In addition, the practice is particularly known for energy and natural resources disputes. Administrative law specialist Sebastián Alvarez co-leads the team with Joaquin Vallebella, who focuses on complex litigation in the area.

Practice head(s):

Sebastián Alvarez; Joaquín Vallebella

Key clients

Inspection and Control Services


General Motors Argentina

Compañía Administradora del Mercado Eléctrico Mayorista

Papel Prensa

Provincia de Misiones

Shandong Gold

Grupo Peñaflor

Mercedes Benz Argentina


Work highlights

  • Advised CAMMESA on various matters, including National Government regulations, contracts and procedures related to the electricity sector; as well as all the renewable energy arbitrations initiated by the power generators.
  • Advised Shandong Gold Co on contractual negotiations for a unique contract concerning the construction of an international electricity transmission line and for the international supply of electricity, involving administrative contractual matters and all the administrative, export and import authorisations related to the operation.

Cassagne Abogados

Administrative law boutique Cassagne Abogados houses a long-standing electricity practice that specialises in public law matters, including the renegotiation of concession contracts and the challenging of fines, rates and regulatory orders issued by the authorities. Additionally, the group has noteworthy project development experience. Key contacts include Ezequiel Cassagne and Julio Durand - both are public law experts.