Building on the base of its extensive public and administrative law capabilities, O'Farrell has amassed profound expertise in the renewable and traditional power segments, and works the length of the electricity value chain, from development to disputes and including generation, transportation and distribution. The team combines its comprehensive engagement in the sector with regulatory and antitrust expertise, as well as experience in M&A. A renowned figure in the sector, Uriel F. O'Farrell handles energy sector-associated corporate work and M&A, along with regulatory matters and disputes. He co-leads the practice with Agustín Siboldi, who specialises in the areas of defence of competition, energy, natural resources and telecommunications; and María Agustina Fanelli Evans, who strengths are public law, regulation and litigation in the power sector. Other key names in the team include Juan Pablo Fratantoni, who focus on M&A, the development of investments in energy,  joint ventures, foreign investments and company law; and senior associate María Fortuna, who handles administrative litigation and environmental matters.

Advising on up, mid- and downstream electricity matters, Beccar Varela has considerabe experience in generation, transmission and distribution, as well as with major power consumers, PPAs and self generation projects. The team works with national and international clients in the thermal, hydro, wind, solar, biogas, hydrogen and geothermal power segments, as well as assisting with international bids and concession contract renegotiations. Recent matters include advising China’s State Grid International Development (via Chile’s Claro & Cía) on the Argentine aspects of its $3bn acquisition of Naturgy’s Chilean subsidiary Compañía General de Energía; namely, the spinning off of Argentine subsidiaries Agua Negra (controller of Energía San Juan), Gasnor and Gasmarket. The practice is an active member of the Argentine Renewable Energy Chamber (“CADER”) and is co-led by José Carlos Cueva, who focuses on energy and natural resources law; and Ricardo Castañeda , whose expertise includes M&A, corporate law, project finance and energy.

Demonstrating ‘great speed of analysis, without losing the depth in the review‘, Bruchou & Funes de Rioja‘s power and electricity practice has broad experience in renewable and conventional power generation and transmission. The multidisciplinary team combines regulatory strength with corporate, M&A and project finance expertise, and advises power generation companies doing business in Argentina, as well as assisting with the development of a range of energy and infrastructure projects. Go-to names in the area include Mariano Luchetti , who has experience advising major industry players involved in the generation, transportation, and distribution segments of Argentina’s electricity market; and Ignacio Minorini Lima , whose extensive expertise covers energy, public and regulatory law, and who also handles international and domestic arbitration proceedings. Corporate specialist Exequiel Buenaventura  is also active in the sector. Key associates include Nicolás Dulce  (oil, gas and electricity); María Laura Rozan  (regulated industries; power generation, transportation and distribution) and corporate senior, Dolores Cedrone , who has amassed considerable experience of the power sector.

The broad energy expertise of Martínez de Hoz & Rueda covers electricity generation (hydro, thermal and renewable), distribution and transmission, along with associated environmental matters. The practice is particularly strong on power sector regulation, as well as on the origination of complex finance structures for conventional and renewable energy projects, where it frequently represents credit agencies, ECAs and leading commercial banks. The practice is also experienced at representing clients before federal authorities and regulators to obtain permits, concessions, licenses, extension requests and contractual amendments, as well as in challenges to administrative acts and rulings. Public law specialist Juan Cruz Azzarri co-leads the team with Jimena Vega Olmos, who focuses on public law, infrastructure, power, project financing and international arbitration. Senior associate Marcos Blanco is also active in the area and handles power and renewable energy, oil and gas and TMT matters.

Known for its comprehensive approach, Marval O’Farrell Mairal advises along the full length of the electricity generation and supply chain, from public tenders for generation projects (thermal, cogeneration, hydroelectric, nuclear, renewable energy), to international and local PPAs. Core strengths for the team include regulatory matters and disputes work, with renewable and hydro-electric matters being a particular area of growth. Francisco Macías  heads the practice and specialises in international and local power transactions, contracts and regulatory matters. He can call on the expertise of newly promoted partner Gonzalo Santamaria , whose strengths include regulatory and contract issues in the power sector, as well as advising on thermal, hydroelectric and renewable energy projects. ‘Exceptional lawyer‘ Luciano Ojea Quintana  rounds out the senior team.

Nicolás Eliaschev leads the energy team at Tavarone, Rovelli, Salim & Miani and advises on a range of electricity and renewable energy matters, as well as on other industries and infrastructures including oil and gas, ports, airports, roads and highways. The practice evidences strengths in regulatory matters and corporate PPAs, and combines this with experience in project finance and development for both traditional and renewable generation, and transition projects. Acting for local and international clients, the team also handles dispute resolution in the sector, including international arbitration. A second key name in the team is senior associate Javier Constanzó, who focuses on public law, energy and infrastructure, with particular expertise in construction contracts and the financing of infrastructure projects.

With considerable experience advising conventional, thermoelectric and renewable power generators, Bomchil also assists consumers with regulatory and contractual matters - particularly as regards PPAs. The practice group also draws upon the firm’s strength in financings to advise multilateral agencies and foreign lenders on the construction and development of major renewable energy plants in Argentina. Another key area of work has been due diligence and legal and regulatory analysis for the installation of the country's new nuclear plants. María Inés Corrá  leads the team and is a go-to name for administrative law, economic regulation and international arbitration.

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 segment; work in the latter area ranges from the negotiation of EPC contracts to the acquisition and financing of projects. Best known for her mining practice, Florencia Heredia leads the team and handles natural resources and energy matters, along with environmental mandates. Fellow partner Marcos Patrón Costas undertakes cross border M&A and project financing, with a primary focus on the energy sector.