O'Farrell's long track record in the electricity industry makes it a first port of call for clients seeking seeking sector-specific transactional, regulatory, contractual and litigation advice. The multi-disciplinary practice also covers pubic procurement and anti-trust matters, along with tariff review proceedings, and has also been called in to support the Milei administration with advice on legislative initiatives to open up domestic electricity markets to international competition and investment. The practice is co-led by Uriel F. O'Farrell, a market authority on electricity law and regulation with more than four decades' partner-level experience; Agustín Siboldi, an expert in electricity regulation and an influential figure who holds leadership roles across various industry bodies and fora; and well-regarded public law expert Agustina Fanelli Evans, who is known for her work on regulatory and tariff matters. The team can also call on the experience of litigation partner Jorge Muratorio; economic regulation-focused Ana Belén Micciarelli, who was raised to the partnership in June 2024; and public utilities-focused senior associate, María Fortuna.

Beccar Varela supports clients along all stages of the electricity supply chain, including generation, transmission, distribution and consumption, working with companies active in the thermal, hydro, wind, solar, biogas, hydrogen and nuclear segments. The team is well-versed in government privatisations, international bidding rounds and concession contract renegotiations; it is particularly well-known for its renewable energy expertise, advising on financing and public bid processes. Other areas of expertise include EPC contracts, risk assessments and capital structures. An experienced practice leadership team includes accomplished energy and natural resource practitioner José Carlos Cueva; and Ricardo Castañeda, a go-to lawyer for energy companies seeking counsel on M&A, project finance and day-to-day corporate matters.

Bomchil has a long track record in the electricity sector track and was among the first firms in Argentina to assist with the drafting of renewable energy power purchase agreements (PPAs); it has also consistently been called on ofr advisory counsel regarding tariff reviews, deregulation and the development of major electricity transmission lines. The team advises a wide ride range of conventional, renewable, and thermoelectric power companies on regulatory and contractual matters, and is also well known for handling energy-related disputes, including high-stakes international arbitrations. Transactions and financings are also busy areas, with cross-border renewable energy project financings and due diligence on nuclear energy investments providing regular streams of work. María Inés Corrá has a lengthy history of guiding clients through regulatory and contentious matters in the power sector, and co-leads the practice with environmental law specialist Cristian Galansky, who works with clients in the mining, oil-and-gas and renewable energy sectors. The practice can also call on the vast transactional and regulatory experience of energy and natural resources stalwart Pablo Alliani.

Bruchou & Funes de Rioja has deep expertise in renewable and conventional power generation and transmission, and is sought out to advise on a wide array of electricity-related regulation, project finance, corporate, M&A, tax and environmental matters. Other active areas for the practice include public tender processes for new renewable energy developments, power purchase agreements (PPAs), and financing arrangements. The team is jointly led by Mariano Luchetti, who works with clients involved in electricity generation, transportation, and distribution; and highly-rated energy and public law partner Ignacio Minorini Lima, who also handles arbitral matters - both domestic and international. Experienced corporate partner Exequiel Buenaventura is also available to support the team, as is recently promoted partner Nicolás Dulce, who works across the oil-and-gas and electricity sectors. Former senior associate María Laura Rozan moved in house at NeoElectra in July 2024.

Martínez de Hoz & Rueda advises power generators and distributors active in the hydro, thermal and renewable energy segments, and has also established a leading position in the green hydrogen industry, where it provides feasibility analyses of hydrogen projects and associated infrastructure, including solar and wind power generation and power transmission lines. The team is particularly well-known for its expertise in regulatory and financing matters, and is called on by credit agencies and banks to assist with the design of complex financing structures for conventional and renewable energy projects. Moreover, its regulatory-facing practice is also well-established, advising on applications and hearings for permits, concessions, licenses, extension requests and contractual amendments. Contentious administrative matters and rulings are also handles. The practice is co-led by public law partner Juan Cruz Azzarri, who has a strong track record in public utilities and the power industry; and Jimena Vega Olmos, who handles a spectrum of public law, infrastructure, power, project financing and international arbitration matters, with thermal energy and renewables particularly active practice segments. Other senior energy and oil-and-gas names on the roster include the vastly experienced José Martínez De Hoz and Pablo Rueda; with recently promoted partner Marcos Blanco, who covers power and renewables, providing additional senior support.

Marval O’Farrell Mairal handles matters spanning the entire electricity generation and distribution supply chain, including work on public tenders for thermal, cogeneration, hydroelectric, nuclear and renewable energy power generation projects, as well power purchase agreements and electricity-related disputes. The firm’s formidable corporate practice makes it a go-to name for contractual and transactional work in the sector, and the team is also strong on the regulatory side, assisting companies with specialist advice on electricity sector regulation. The practice is led by respected energy lawyer Francisco Macías, who is a reference as regards power transactions, contracts and regulatory matters. Gonzalo Santamaria is the other key partner-level name, and is known for his regulatory and power sector expertise.

Pozo Gowland Abogados is recognised for its electricity expertise and track record, which dates back to the early 1990s when the firm was involved in the privatisation of Argentina’s electricity industry. The firm continues to work with blue-chip electricity generators, transporters and distributors, and retains strong networks across the Ministry of Energy and Mining and national electricity regulator CAMMESA. Busy areas for the practice include tariff and contractual renegotiations, the representation of clients in judicial and administrative proceedings, licensing, and electricity-related infrastructure and project development. The practice’s three-strong leadership team includes administrative law, public services and infrastructure veteran Héctor Pozo Gowland; construction and infrastructure expert Esteban de Vedia; and Carlos Miná, who handles administrative and public law matters. The accomplished leadership team receives partner-level support from administrative, regulatory and public law-focused Santiago Durigón and Francisco Pozo Gowland, who handles administrative law and public services matters, as well as infrastructure and international arbitration work.

Tavarone, Rovelli, Salim & Miani has carved out a strong reputation in the burgeoning renewable energy sector where it works with a cohort of innovative clients involved in wind and solar power projects, off-grid power generation and mining-related electricity projects. The team handles regulatory and transactional matters, including large project financings, and has also been an influential player in the evolution of power purchase agreements (PPAs) and related contractual matters. The team is particularly noted for its work in lithium-related energy projects and setting up renewable energy infrastructure to power mining operations. Energy-related disputes and arbitrations are also familiar and active areas. The dynamic and experienced electricity and natural resources expert Nicolás Eliaschev co-leads the practice with Javier Constanzó, who was raised to the partnership in 2023 and handles public law, energy and infrastructure work. At associate level senior Daiana Perrone, who focuses on public law and renewable energy, is the main contact.

Baker McKenzie advises clients involved on a wide range of energy projects, including coal, nuclear, hydroelectric, renewables and oil-and-gas-fired power generation. The team handles power purchase agreements (PPAs), transactional work, complex EPC contractual negotiations, tax and environmental law; as well as regulatory, public procurement and government contract matters. The practice is jointly led by experienced natural resources and energy expert Adolfo Durañona, who is called on for support on transactional and project development matters; and Ezequiel Artola, an accomplished M&A lawyer who has extensive experience in the mining, oil-and-gas, energy, renewables and infrastructure sectors.

Brons & Salas is particularly well-known for advising electricity clients on contentious matters and is regularly called on to support power companies in a wide variety of disputes, including PPA matters and contractual breaches, in both the judicial and arbitral spheres (especially under UNCITRAL rules). The team also assist regulators with EPC project monitoring and policy matters, as required; and has been an active player in the nascent green hydrogen sector, advising on the largest green hydrogen development project in Argentina. The practice is co-led by administrative and regulatory law partner Sebastián Alvarez, and the experienced dispute resolution duo of Joaquín Vallebella and Guillermo Malm Green.

Abeledo Gottheil Abogados advises clients involved in the generation, transportation and distribution of electricity on the drafting and negotiation of contracts, electric power plant acquisitions, transmission line expansions, and international electricity projects and exports. Regulatory, contractual and environmental matters are all handled, as are energy disputes. The team is co-led by Sergio Porteiro, who is highly experienced in energy-related regulation, contractual matters and disputes; and the respected oil-and-gas veteran Hernán Martín Oriolo, an experienced arbitration and litigation lawyer. Further partner support is offered by Luis Alberto Erize, who also covers oil-and-gas and disputes.

Allende & Brea leverages its wider natural resources expertise and contact base to support clients on a range of transactional, regulatory, environmental, tax, financial and litigation matters. The practice is best known for its expertise in the design and construction of natural gas, combined cycle and renewable energy power plants; where it advises on EPC contracts and project financing. The practice is led by Florencia Heredia, an exceptional mining practitioner who also covers environmental law and other energy-related work.  Financing and transactional partner Marcos Patrón Costas is another key name.

Public law boutique Cassagne Abogados leverages its administrative law expertise to support electricity companies seeking support on project development matters, as well as concession negotiations and challenges to fines and regulatory censure. Partners Ezequiel Cassagne and Julio C. Durand are the key points of contact for electricity-related advice.

Energy boutique Díaz Bobillo, Vittone & Asociados is called on by clients in the electricity sector for advice on regulatory, commercial and contentious matters. Respected power sector veteran Víctor Díaz Bobillo leads the team and handles a broad range of electricity-related regulatory, corporate and contractual matters, as well as complex international arbitrations. Public law expert Manuel Goyenechea is another key senior name and handles various regulatory and contractual issues in the electricity market.

Pérez Alati, Grondona, Benites & Arntsen draws on its energy and oil-and-gas expertise to advise electricity clients on project development, financing, federal and state energy regulatory work and major transactions. The firm is particularly well-known for assisting clients on matters related to the negotiation of power purchase agreements and tariff negotiations. The practice is co-led by experienced energy and natural resources partner Francisco Romano; and Alan Arntsen, an accomplished M&A and banking lawyer. Corporate law veteran and founding partner Mariano Grondona also assists the team, as do environmental law expert Nicole Jaureguiberry and transactional partner Tomás Pérez Alati.