With extensive experience in the regulatory, financing, transactional and litigious aspects of energy matters and projects, the ‘multidisciplinary’ team at Clifford Chance enjoys a first-class reputation in the market, often attracting instructions from a spread of international and Spanish energy companies and private equity funds. The ‘exceptional’ José Guardo is highly skilled at advising on the financing of energy and infrastructure projects. He jointly heads the practice with Jaime Almenar, whose background in public law makes him counsel of choice for several clients seeking advice on energy regulations. Other noteworthy practitioners include José Luis Zamarro, an expert in Spanish regulated sectors, Eduardo Sánchez, who is praised for his ‘excellent negotiating skills’, and Eugenio Fernández-Rico, who is often engaged in M&A involving energy assets.

Recognised for its broad service offering in the infrastructure and renewable energy sectors, Cuatrecasas is well positioned to handle the corporate side of energy deals, regulatory issues and project finance matters. The group is jointly led by a Madrid-based duo: Luis Pérez De Ayala  draws on his extensive administrative and regulatory expertise to advise on large-scale M&A in the energy space, while Fernando Bernad, a name to note for project finance. Also in Madrid, Agustín Cerdá is another key contact for financing matters, with a particular focus on the renewable sector. Héctor Bros, who is based in the Barcelona office, often assists with project finance, PPPs and PFI structures.

Backed by a ‘combination of technical expertise, exceptional leadership and a client-focused approach’, the team at Garrigues acts for an impressive roster of domestic and international corporations, financial institutions, regulatory bodies and public entities. Noted for providing ‘cutting-edge solutions’, the group is proficient in project finance, contractual matters, M&A, regulatory issues, compliance and litigation concerning the energy and infrastructure sectors. Corporate and commercial lawyer Mónica Martín De Vidales and Àlvaro López-Jorrín, singled out for his expertise in regulatory matters, jointly lead the group. Other key individuals include Marcos Botella, who is particularly skilled in the financing of renewable and infrastructure projects, and Silvestre Arana, who has over 30 years' experience in energy and natural resources matters. Álvaro Valle maintains a broad practice covering M&A, project development and contracts in the power and oil and gas markets.

Fielding a ‘team of multidisciplinary lawyers’ with solid public law, finance and M&A backgrounds, Gómez-Acebo & Pombo stands out for its ‘deep knowledge of the energy sector and the regulations that apply to it’. The group showcases notable strength in transactional matters, such as M&A involving energy assets, and in the financing and construction of projects. Department co-head Verónica Romaní is retained by a variety of leading national and international players in relation to acquisitions and asset finance deals in regulated sectors, most notably energy. Carlos Vázquez, whose focus lies heavily on administrative and regulatory issues surrounding the energy, water and waste management spaces, jointly oversees the group with Romaní. Santiago Garrido, who is active in transactional, administrative and judicial matters involving environmental law, energy and natural resources, and Borja Carvajal, a reference for project finance and implementation, are also noteworthy.

Praised for its ‘360º vision of issues‘, the team at Herbert Smith Freehills LLP is singled out for its impressive track record in M&A, dispute resolution, regulatory matters, and project finance and development within the energy sector at the national and international level. Miguel Riaño routinely advises on high-value transactions in the natural resources, energy and infrastructure spaces, while Iria Calviño is trusted by major corporations, global investment banks and equity sponsors in cross-border deals and regulatory matters involving the renewable segment. With extensive expertise in energy transition issues, Miguel Fraga is noted for his proficiency in M&A and project development, while Esther Lumbreras focuses on public law contentious matters. Ignacio Paz and Beatriz Plaza are no longer at the firm. Sergio Cires, who focuses on project and corporate finance, joined from Jones Day in January 2024.

Covering the entire energy chain, Linklaters is praised for its ability to ‘provide creative solutions that best defend the interests of its clients’ in the context of M&A and financing transactions, projects, regulatory and contentious matters. Managing partner of the Madrid office José Giménez 'stands out for his encyclopedic knowledge of law' and proficiency in regulatory matters and transactions in this space. Lara Hemzaoui frequently advises on M&A deals within the energy sector. The deep bench also includes Roberto Sánchez, who is highly knowledgeable of regulatory issues, project finance and contentious-administrative proceedings, and Jorge Toral coordinates domestic and cross-border transactions in the energy sector, encompassing power, gas and green hydrogen.

With deep expertise in the energy sector, Watson Farley & Williams LLP is a reference for clients seeking assistance with the financing and development of projects, M&A transactions and contentious matters. Managing partner María Pilar García Guijarro, who has over 25 years' experience in the energy segment, supports investment funds, banks and industrial clients in a multitude of transactions. Singled out for his keen focus on renewable technologies, Rodrigo Berasategui is the name to note for project finance. Energy specialist David Diez often acts for domestic and international clients in M&A, project finance and development.

The strong partner-led team at Allen & Overy stands out for its 'extensive experience' as well as 'commercial and operational knowledge' of the energy sector. A host of clients, ranging from financial entities to renewable energy companies, turn to the practice for advice on M&A, project finance and contentious issues. The firm fields a deep bench dedicated to projects and energy work: ‘authentic top professional’ Ignacio Ruiz-Cámara; the ‘exemplary’ Vanessa Cuellas, who assists with project development, finance and M&A in the energy and infrastructure sectors; public law specialist Pablo Mayor; Antonio Vázquez-Guillén, whose strength lies in litigation; project finance experts Charles Poole-Warren and Jimena Urretavizcaya; Iñigo del Val; and Ignacio Hornedo, who shines on corporate transactions. Senior associate Nuria Ferré is also recommended; she often acts for sponsors and lenders in the financing and development of infrastructure and energy assets.

Qualified in a broad spectrum of disciplines, Ashurst LLP is well placed to advise clients across the infrastructure, renewable and conventional energy segments on major projects. Typical mandates for the team range from M&A involving energy and infrastructure assets, to regulatory issues, public procurement and litigation before various courts. Corporate partner Andrés Alfonso heads up the energy practice, bringing a wealth of experience in M&A at the national and international level. Other noteworthy practitioners include José Christian Bertram, who specialises in project finance, Soledad Adell, who focuses on public law  matters, and the newly hired Alfonso González-Espejo, who joined from KPMG Abogados, Spain in April 2023.

With a ‘pronounced expertise’ in regulatory issues, PPAs, M&A and administrative-contentious proceedings, the global energy team at CMS Albiñana y Suárez de Lezo is engaged by clients from the gas, renewables and electricity sectors as well as large international corporations investing in green energy projects. Luis Miguel de Dios has vast experience advising Spanish and international clients on corporate transactions involving infrastructure and energy assets. A key reference in the Spanish energy market, Ignacio Grangel is noted for his in-depth knowledge of regulatory issues. Alfonso Codes is a key point of contact for public authorities seeking assistance with non-contentious issues and disputes.

DLA Piper leverages its cross-border capabilities to advise Spanish and foreign companies, banks, insurers and investment funds on a diverse range of matters in the infrastructure and energy sectors, including energy efficiency and storage, as well as green hydrogen projects. Practice co-head César Herrero offers support in the financing of national and international energy projects, with a special emphasis on Latin America. José María Barrios, who joined from Deloitte in January 2023, adds weight to the group’s regulatory and litigation offering, while Pablo Echenique, who arrived in July 2023 from Cases & Lacambra Abogados SLP, brings broad expertise in corporate and finance transactions within the energy and infrastructure spheres. José Manuel Sala is especially skilled in judicial review proceedings and regulatory issues in the electricity segment. Javier Santos  is no longer at the firm.

Drawing on its strong network of offices across Europe, America, Asia Pacific and the Middle East, Jones Day offers clients a ‘global presence’ while ‘maintaining management and coordination from Madrid’. Particularly well placed to handle cross-border work, the group fields strong capabilities in financing, regulatory and contentious matters involving the infrastructure and energy (most notably renewables) sectors. Raimundo Ortega is a first point of contact for regulatory and antitrust matters in the infrastructure and energy spaces. Javier López Antón and Fernando Lillo are well versed in project finance, while Mercedes Fernández’s focus lies on disputes involving construction contracts and large projects. Sergio Cires is no longer at the firm.

Sporting a ‘multidisciplinary team’ with specialisms in dispute resolution, M&A, finance and tax, King & Wood Mallesons is a first point of contact for national and international blue-chip clients seeking advice on an array of infrastructure and energy-related matters. The team manages a busy workload where project finance and development feature alongside M&A deals and regulatory issues. At the helm of the practice, regulatory expert Gonzalo Olivera devotes his time to the energy, natural resources, water and environmental sectors. Roberto Pomares handles domestic and cross-border M&A and private equity deals in these spaces, while Alberto Artés is a key name for regulatory matters pertaining to the renewable energy sector and gas projects.

‘Distinguished by its deep knowledge of the energy’ and natural resources sectors, boutique firm MVA ASOCIADOS is a popular choice for several domestic and international clients looking for support in corporate transactions, contentious matters, project finance and regulatory issues in this space. Javier Montalvo’s workload covers the breadth of electricity, renewables, natural gas and oil matters, while Gervasio Martínez-Villaseñor possesses extensive knowledge of public law and experience in contentious-administrative proceedings. Focused on competition and EU law matters, Eduardo Abril is a standout lawyer known for being ‘technically solid, sharp and available’.

Clients are in ‘highly competent and experienced hands’ at Pérez-Llorca, which is home to a team that is well equipped to offer regulatory advice, assistance with corporate transactions, public law and litigation matters in the energy, natural resources and infrastructure sectors. The group is steered by Mónica San Román, who takes the lead on project finance and transactions in the energy segment, Ana Cremades, whose former experience as Head State Attorney at the Secretariat of State for Energy is noteworthy, and Javier Carvajal, who handles M&A, private equity deals and corporate restructurings. Belén Wert is another key contact for clients from the electricity and gas sectors.

Demonstrating a 'deep knowledge of the legal complexities surrounding the energy industry', Pinsent Masons LLP offers clients assistance throughout the life cycle of renewable energy projects, from financing and development, to divestment. The team has been bolstered by a swathe of new arrivals from Bird & Bird in February 2023: newly appointed practice head Hermenegildo Altozano is well versed in energy-related transactions and projects in Spain and Latin America; Alfonso Bayona has notable strength in corporate, contractual and financing matters in the energy, natural resources and infrastructure sectors; and Juan de Navasqüés handles a spread of corporate restructurings and M&A deals in the renewable and conventional energy segments. Borja Martín Ariza is another key name to note for corporate transactions within the renewables sector.

Uría Menéndez 'has a large team highly specialised in energy', which excels in project finance, M&A involving energy assets, regulatory issues and dispute resolution. A popular destination for lenders, borrowers, energy and infrastructure sector players, the team is highlighted for its 'outstanding command of market standards in corporate financing negotiations'. Leading the practice is Juan Ignacio González Ruiz, a key contact for the financing of renewable energy projects. Key support is offered by Ignacio Álvarez Couso, whose combined knowledge of M&A and energy law allows him to assist clients with the sale and management of assets, José Félix Zaldívar de la Rica, who oversees the firm's New York office. The team was strengthened by the arrival of Roberto Fernández , a former State Attorney at the Ministry for Energy Transition and the Demographic Challenge, in May 2023.

Clients from the energy, infrastructure and financial services sectors regularly turn to Andersen Tax and Legal for its strong expertise in renewable, oil and gas, mining and transport projects. Carlos Mínguez steers the practice from Valencia and, backed by nearly two decades of experience in environmental issues and natural resources, offers key expertise in mining and green hydrogen matters. Federico Belausteguigoitia, who joined from DWF-RCD in October 2022, focuses on corporate transactions. Carmen March is also singled out by clients for ‘her ability to solve problems efficiently‘.

The energy and natural resources department at ‘top-level firm’ Baker McKenzie is ‘capable of leading multiple public law matters, as well as complex litigation both in Spain and in other jurisdictions’. The team's expertise extends to M&A, projects and regulatory matters in the renewable energy, gas, water, waste management and mining segments. Practice head Antonio Morales is best known for his expertise in ‘sophisticated litigation’ and arbitration in the realm of energy and construction. Other key individuals include Luis Casals, who is regularly engaged acquisitions and disposals for private equity and infrastructure funds, Juanjo Corral, a key name for corporate and commercial matters, and Luis Fuster, whose strength lies in cross-border M&A and PE deals.

Noted for its ‘broad, proactive and highly sophisticated’ energy and natural resources team, Deloitte Legal offers clients advice across the full spectrum of regulatory, corporate, M&A, finance, environmental and tax law matters. María Guinot leads the group, leveraging her expertise in the renewable and hydrocarbons market. Other key members of the team include: Ignacio Echenagusia, noteworthy for his workload which blends energy and finance matters; and Carlos Tallón, who has extensive experience representing energy clients in administrative-judicial proceedings.

With a keen focus on renewable energy, Dentons is called upon by a variety of clients for its deep expertise in project finance and development, regulatory issues and cross-border transactions. Fermín Garbayo is sought after for his experience advising national and international funds on the acquisition and financing of energy and infrastructure projects. Luis Gil stands out for his energy  regulatory expertise, while Almudena Gurpegui is active in an array of transactional mandates in the renewable segment, including M&A, PE deals and corporate restructurings.

Large national and international energy clients look to the energy and natural resources team at DWF-RCD for its extensive experience handling matters related to renewables, utilities and new technology projects. Javier Olmos is experienced in M&A transactions and contractual matters within the electricity, gas and renewable spheres, while Sara Rafecas advises on the full spread of corporate transactions, including restructurings, joint ventures and investments within the energy sector.

Praised for its ‘accessible, efficient team’ and ‘great experience and knowledge of the sector’, Hogan Lovells International LLP is a solid choice for mining, oil and gas, and renewable energy clients seeking assistance with transactions, project development, dispute resolution and regulatory matters. With extensive experience in regulatory, contentious and corporate issues, Fernando Calancha Marzana possesses notable expertise in mandates concerning power generation, energy storage and renewables. Raúl Matute handles regulatory issues, while Borja Fernández Burgueño focuses on procurement and administrative proceedings.

Fielding ‘a team of professionals with extensive knowledge in various branches of law’ across 6 national offices, Montero Aramburu Abogados is well equipped to handle a wide spread of energy and natural resources matters, from M&A, to regulatory issues, project finance and disputes. At the helm of the practice, Miguel Cuesta Boothman is regularly seen advising on corporate transactions and on the construction and financing of projects in Spain and abroad. Public law specialist Ignacio Albendea Solís has extensive experience in infringement proceedings, especially those to do with forestry management and renewable energy.

ONTIER is well equipped to advise a spread of national and international corporates, investment banks and energy companies on asset transactions, project finance, dispute resolution and regulatory issues. Leadership is shared between Pablo Enrile, who maintains a broad practice covering transactional, contractual and contentious matters, and Lucía González Fernández, who undertakes corporate and M&A work. Javier Alagón is another name to note, with experience in contentious-administrative proceedings, project financing and development.

Offering assistance with project finance, M&A involving energy assets, and administrative conflicts before regulatory agencies, Squire Patton Boggs is praised by clients for its ‘very high availability and knowledge of the market and players’. The multidisciplinary team is home to Teresa Zueco, who assists with corporate and M&A matters, Manuel Mingot, who focuses on project finance, and Antonio Bañón, 'an expert in public and regulatory law'.

With in-depth knowledge of the electricity and renewables segments, Araoz & Rueda  is equipped to handle the financing, development, construction and implementation of projects. Francisco Solchaga  is singled out for his strong regulatory capabilities, while Laura Vintanel is engaged in a variety of corporate and commercial matters in the renewable energy sector. The team was recently reinforced by the arrival of Fernando Pérez from Eversheds Sutherland.

The public law and regulated sectors team at EY Abogados has marked strength in the energy segment, advising on regulatory, financing and M&A matters. With a keen focus on the energy and infrastructure sectors, Pablo Dorronsoro has wide experience in public law and contentious matters. He jointly oversees the practice with Luis Ques, who stands out for his in-depth knowledge of sector-related regulatory issues, and Susana Gómez Badiola, who takes the leads on a variety of M&A transactions involving energy assets. This is a key area of activity for Marta Salazar, who also excels in the development and construction phases of renewable energy projects.

With particular strength in regulatory and litigation work, Fieldfisher is often instructed by clients from the infrastructure, mining, energy and natural resources sectors. Madrid-based practice head Ramón Vázquez del Rey Villanueva is highly knowledgeable of the energy, mining and infrastructure sectors. Paloma Mato is the name to note for private equity firms and industrial investors engaged in M&A in the renewable energy segment, while Andrés de la Quadra-Salcedo is noted for his strong track record in construction disputes.

GTA Villamagna Abogados attracts a spread of public and private sector clients seeking advice on energy-related matters, particularly those within the renewables sector. Ernesto Garcia-Trevijano Garnica stands out for his knowledge of issues related to thermal, solar and photovoltaic energy production plants, regularly advising on regulatory issues and contracts. Jesús Estrada is noted for his ‘solid knowledge of administrative law’. Public law specialist Marta Plaza is also part of the core team.

Standing out its expertise in the renewable energy sector, Osborne Clarke is retained by a host of international and domestic clients seeking support in regulatory work, M&A, project development and financing matters. Luis Castro frequently works with lenders, utilities, developers and public entities in energy and infrastructure projects. Blanca Montero, who focuses on regulated sectors, has significant experience in public law, regulatory, environmental and transactional mandates in the energy space.

Financial institutions, energy and natural resources companies turn to the ‘multidisciplinary’ team at Ramón y Cajal Abogados for its ‘extensive experience‘ in project finance, M&A, contractual and regulatory work in the energy sector. Leadership is shared between regulatory specialist Pablo Silván, ‘one of Spain’s most commercial senior lawyers specialising in renewables‘, and Antonio de Mariano, who advises on contractual negotiations and disputes.