Twitter Logo Youtube Circle Icon LinkedIn Icon

Argentina > Energy and natural resources > Electricity > Law firm and leading lawyer rankings


Index of tables

  1. Energy and natural resources: Electricity
  2. Leading lawyers
  3. Next generation lawyers

Leading lawyers

  1. 1

Next generation lawyers

  1. 1

Who Represents Who

Find out which law firms are representing which Electricity clients in Argentina using The Legal 500's new comprehensive database of law firm/client relationships. Instantly search over 925,000 relationships, including over 83,000 Fortune 500, 46,000 FTSE350 and 13,000 DAX 30 relationships globally. Access is free for in-house lawyers, and by subscription for law firms. For more information, contact


Estudio O'Farrell’s practice, which demonstrates broad capability in both regulatory and transactional matters, is commended for its ‘strong commitment to the client’. The ‘creative and problem-solving’ team is led jointly by the ‘very experiencedUriel O´Farrell and economic regulation specialist Agustín Siboldi; it also benefits from the senior experience of ‘fantastic administrative law partnerMaría Agustina Fanelli Evans and Fernando Raúl García Pullés. Recent highlights include advising Argentina’s largest electricity distributor, Edenor, on the renegotiation of the electricity distribution concession agreement for the City of Buenos Aires and the north of Buenos Aires province. It is also assisting Pampa Energía with the auction proceedings for three new power electricity generation plants. Compañía General de Electricidad, Energy Consulting Services and YPF Energía Electric are also on the department’s books.

Responsive and cost-effectiveBeccar Varela has ‘good knowledge on issues facing electricity clients’. Among the names to note, junior partner José Carlos Cueva is ‘easily reachable and provides practical responses to questions’; he recently advised Hive Energy (UK) on its plans to develop solar power plants in Argentina, which included corporate matters and participation in provincial tenders. Project finance expert Roberto Fortunati is also active in the power space and advised Total Eren on a $167m loan to finance a wind project awarded under the RenovAr programme.

A ‘top-notch Argentine firm’, Bruchou, Fernández Madero & Lombardi impresses with its ‘great response times and strong legal knowledge’. Mariano Luchetti is a ‘great guy and a great lawyer’ and co-leads the power department alongside Ignacio Minorini Lima and Exequiel Buenaventura. Renewable energy is a notable area of expertise and the firm has recently advised a string of multinationals on their bids for round 2 of Argentina’s renewable energy programme, RenovAr. It also advises Amec Foster Wheleer on its greenfield projects for wind farms in Argentina. Other representative clients include Alstom, Canadian Solar and Dax Energy.

The market consensus is that Díaz Bobillo, Sigwald & Vittone Abogados is a ‘leader in Argentina for regulatory law in the power sector’ ¬– the firm also has sound experience in transactional matters and power disputes. Key contact Víctor Díaz Bobillo is widely lauded as ‘second-to-none in his field’ and brings to bear a distinguished record in power matters, including a period spent as legal director of the largest electric power group in the country. In 2017, experienced partner Carolina Sigwald left to become executive director of legal affairs at Pampa Energía.

M & M Bomchil’s power practice, which is well known for its track record in energy disputes, is led by high-profile arbitration, economic regulation and administrative law head Guido Tawil. Other key names include María Inés Corrá and Francisco Gutiérrez – both of whom are also well known for their strong regulatory skill-sets. Recent headline mandates saw the team represent Siemens in a $120m dispute arising out of the supply, installation and maintenance of a thermoelectric power plant. The practice also counts Electroandina, Termoeléctrica Manuel Belgrano and Transelec as clients.

Under the leadership of energy and natural resources head Francisco Macías, the team at Marval, O'Farrell & Mairal is particularly active in transactional matters. Macias recently led advice to Senvion on the construction and operation of the $150m Vientos Los Hércules wind farm, which is co-owned by Eren and Total, and he is also advising Chinese nuclear energy companies on the construction of a nuclear power plant in Buenos Aires. Additionally, the department possesses significant regulatory expertise, with public and administrative law associate Gonzalo Santamaria particularly recommended for work in this sector.

Highly knowledgeable and experienced’, Pozo Gowland Abogados impresses with its ‘unrivalled expertise in public utility issues’. The firm’s regulatory prowess is particularly lauded – although it also has supplementary capability in corporate, construction, litigation and labour law – and it regularly advises on tariff issues and government contracts. Héctor Pozo Gowland has an eminent reputation for administrative law matters and is the key contact for a department that counts Petrobras, Transener and Transportadora de Gas del Sur among its clients.

Boutique firm Tavarone, Rovelli, Salim & Miani shines in project finance deals, in line with the firm’s signature strength in banking and finance matters. In a recent example, regulatory energy expert Nicolás Eliaschev paired up with corporate finance partner Federico Salim to advise MSU Energy on the $230m financing of the construction and operation of two thermoelectric power plants. On the lender side, Marcelo Tavarone advised UBS on a $300m credit facility for the acquisition of shareholdings in Empresa Distribuidora de Energía Atlántica and Empresa Distribuidora La Plata.

Lawyers in Baker McKenzie’s power practice strike the right note for being ‘extremely focused on the business’. Led by Adolfo Durañona, the group also draws upon the expertise of Roberto Grané and Ezequiel Artola, who are highlighted together as ‘extremely warm, attentive and focused’. Over the past year, the team kept busy advising on the regulatory and commercial aspects of several potential energy projects – among other matters. Clients include Bunge Argentina, Mitsubishi Hitachi Power Systems Americas and the Japanese Institute for Overseas Investment.

Cassagne Abogados’ specialist focus on administrative law and economic regulation translates into a steady stream of power-related mandates, and the firm is regularly instructed by power companies, financial institutions and public bodies to advise on electricity-related work. Name partner Juan Carlos Cassagne is a ‘doyen in the administrative law sphere’ and the group also benefits from the expertise of senior specialists Máximo Fonrouge and Julio Durand.

Córdova Francos Abogados' power practice, which acts for EPC contractors, project sponsors and investors, handles a good mix of corporate finance and development matters. Sebastián Córdova-Moyano heads the group and recently advised Rio Energy on the financing for the construction of a thermal power plant. Other key clients include Carval Investors, Desarrolladora Energética and Luft Energía.

At Martínez de Hoz & Rueda arbitration specialist José Alfredo Martínez de Hoz Jr enjoys a strong reputation for his record in contentious power matters. In addition, Pablo Rueda is well versed in regulatory issues, while José Martínez de Hoz (n) routinely handles project finance deals in the power sector. Representative clients include Duke Energy and Endesa Latin America.

The ‘responsive and business-oriented’ group at Mitrani Caballero & Ruiz Moreno Abogados is commended for its ‘strong knowledge of Argentine renewable energy regulation’. In particular, key contact Horacio Ruiz Moreno is lauded for his ‘strong ability to distinguish between material and non-material issues’. Highlights included advising Soenergy on the negotiation of a $190m power purchase agreement with CAMMESA (Wholesale Electricity Market Administration Company) relating to the construction of two power plants.

Estudio Ortiz & Asociados is highly regarded for its broad expertise in renewable energy and it routinely advises investors and developers on the development, financing and construction of renewable energy projects. Dual-qualified Florencia Ortiz Freuler is a key contact and is well known for her strong record in Brazilian-related energy matters – she also chairs the wider firm’s Brazilian desk.

Interview with...

Law firm partners and practice heads explain how their firms are adapting to clients' changing needs

International comparative guides

Giving the in-house community greater insight to the law and regulations in different jurisdictions.

Select Practice Area

Press releases

The latest news direct from law firms. If you would like to submit press releases for your firm, send an email request to

Legal Developments worldwide

Legal Developments and updates from the leading lawyers in each jurisdiction. To contribute, send an email request to

Press Releases worldwide

The latest news direct from law firms. If you would like to submit press releases for your firm, send an email request to