Firms To Watch: Projects and energy

Jointly led by Miguel Huarte Arregui and Rocio Varela Garcia from the Madrid office, ITER Law stands out for its focus on energy and infrastructure mandates, with the former making up around 80% of its workload. The team has notable strength in assisting clients with the development of renewable energy projects, as well as those related to new technologies, such as hydrogen and its storage.

Projects and energy in Spain

Clifford Chance

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.

Practice head(s):

Jaime Almenar; José Guardo

Other key lawyers:

José Luis Zamarro; Eugenio Fernández-Rico; Eduardo Sánchez; Javier Hermosilla; Alba Sande


‘Multidisciplinary team, with great knowledge of the sector and client needs. Full availability to achieve the client’s objectives, mitigating project risks, and perfect coordination with other teams and advisers. They are not limited to giving legal advice, but rather have an active part in the negotiation strategy.’

‘Work capacity, knowledge, experience, talent and willingness to help.’

‘Eduardo Sánchez – excellent negotiating skills.’

‘Clifford Chance has a perfectly integrated team, which complements and coordinates to provide high-quality legal advice. They are capable of delivering the matters entrusted to them in a short period of time, making the client feel well cared for. ’

‘The relationship between the professionals and the client is fluid; they are always available and focused on providing quality work.’

‘Ability to access lawyers from different practices quickly. Knowledge of technical and financial aspects.’

‘Clifford Chance is a safe bet for project matters in the energy sector. Both due to its international knowledge and the collaboration of the projects and public law teams, Clifford is a safe reference for matters of great importance.’

‘José Guardo is an exceptional lawyer; he is valued for advising companies on strategic and complex matters. José combines knowledge of civil and commercial matters with a deep understanding of business, especially energy projects.’

Key clients






Grenergy Renovables

China Three Gorges



Elawan Energy

AIP Management

Atlas Renewable Energy


Banco Santander






Solaria Energía

Work highlights

  • Advised Norway’s sovereign wealth fund Norges Bank on the acquisition of a 49% interest in a 1.3 GW portfolio of solar plants and onshore wind farms in Spain from Iberdrola.
  • Advising Iberdrola on a wide range of matters, including the sale by Neoenergia of 50% of the shares of Neoenergia Transmissora 15 SPE for over €230m.
  • Advising Grenergy on the acquisition of Sofos Harbert Renewable Energy, the sale of a 150 MW PV plant in Spain to a European IPP, and the financing of green energy projects in Chile.


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.

Practice head(s):

Luis Pérez de Ayala; Fernando Bernad

Other key lawyers:

Héctor Bros; Agustín Cerdá; Félix Plasencia; Marcos García; Alejandro Bonitch

Key clients

Cameco Corporation

Ignis Energía


Fotowatio Renewable Ventures

Capital Energies


Magtel Energía Sostenible

China Three Gorges

Powen (Brookfield)

Energía de Galicia

Lightsource BP



Phynix Iberia

Sinia Renovables






Banco Sabadell


Banco Santander

China Three Gorges

Work highlights

  • Advised Cameco Corporation on the acquisition, with Brookfield Renewable Partners, of the Westinghouse Electric Company.
  • Advised Volkswagen/Seat on the financial aspects regarding the negotiation of the consortium agreement for the strategic project for the recovery and economic transformation of the electric and connected vehicle (PERTE VEC) named “Future: Fast Forward”.
  • Advised Orygeen on the acquisition of a majority shareholding in a joint investment platform with Tresca to develop 12 green hydrogen projects with a total approximate capacity of 1.8GW.


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.

Practice head(s):

Mónica Martín de Vidales; Alvaro López-Jorrín

Other key lawyers:

Marcos Botella; Álvaro Valle; Silvestre Arana; Jon Goirigolzarri


‘Combines first-class legal skills with a deep understanding of the technical and regulatory aspects of energy projects, resulting in comprehensive advice for clients.’

‘Garrigues’ strength lies in its ability to anticipate and adapt to changes in legislation and market trends, thus providing cutting-edge solutions to the sector’s challenges.’

‘A leader in its field thanks to its multidisciplinary experience, its adaptability to market trends and its commitment to innovation and diversity.’

‘What truly sets them apart is their passionate dedication and deep knowledge of the sector.’

‘It is the combination of technical expertise, exceptional leadership and a client-focused approach that places Garrigues at the forefront of this highly specialised area of ​​law.’

‘Great availability at short notice and very easy conversation on billing.’

‘Provides exceptional advice on energy and the environment. They have a solid and extensive knowledge of the subject and make difficult things easy.’

Key clients



Banco de Sabadell

Banco Santander

BNP Paribas



Deutsche Bank

ERG, S.p.A

European Investment Bank





Green Genius

Macquaire Bank

Matrix Renewables

Munich Re (MEAG)

Perfecta Energía

Plenium Partners

Renewable Power Capital (a CPP -Canadian Pension Plan- fund)

Saeta Yield




Verbund AG

Vía Outlets

Gómez-Acebo & Pombo

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.

Practice head(s):

Veronica Romani; Carlos Vázquez

Other key lawyers:

Santiago Garrido; Borja Carvajal; Vanessa Armas; Juan Pérez


‘Stands out for its deep knowledge of the energy sector and the regulations that apply to it, which guarantees exceptional legal advice in all its areas.’

‘A team of multidisciplinary lawyers with a business focus that allows it to address legally complex projects and identify creative and effective solutions to complicated legal issues.’

‘A team of highly specialised lawyers with a deep understanding of the legal complexities surrounding the energy industry. This also includes an up-to-date view of emerging trends and challenges in this constantly evolving sector.’

‘The team stands out for its high degree of involvement and agility, which guarantees advice that lives up to our expectations. Compared to other firms, this firm is differentiated by its focus on energy and regulatory aspects and its deep commitment to excellence in this area.’

‘The team’s dedication to thoroughly understanding the dynamics of the energy sector and its legal aspects, always with a very practical approach, gives it a competitive advantage.’

‘Among the outstanding qualities of this firm are its deep legal knowledge, its ability to address a wide range of practice areas, and its experience in complex cases. Additionally, its proactive approach and ability to anticipate and mitigate legal risks are highly appreciated. We would highlight the advice of Borja Carvajal as part of the team.’

‘I believe that what makes this practice unique is its extensive knowledge of the energy sector, which makes them very solid in all negotiations, and their pragmatic and business-oriented approach in discussing transactions with other firms.’

‘A firm that knows first-hand all aspects of the energy market and project financing. Verónica Romaní is a very solid lawyer on all sides and with great technical knowledge who, at the same time, is very permeable to the circumstances of each company and deal.’

Key clients

Meridiam Investments

Naturgy Renovables

Export Development Canada

Helia Renovables

Banco Santander, S.A.

Banco De Sabadell


Abanca Corporación Bancaria

Norddeutsche Landesbank Girozentrale


Ing Bank Nv


Banco Sabadell

Plenium Partners

Norddeutsche Landesbank Girozentrale

Unicaja Banco

Triodos Bank

Work highlights

  • Advised Naturgy on the acquisition of 100% of ASR Wind from Ardian for €535m.
  • Advised Caixabank, Abanca and Unicaja in connection with a credit facility to be granted to Sonnedix for the purpose of acquiring, in several stages, certain PV projects in various Spanish municipalities with a total capacity of 30.5 MW.
  • Advised NORDDEUTSCHE LANDES BANK GIROZENTRALE Y BANCO SANTANDER on the financing of Garnacha Solar, S.L. for the construction of a PV plant of 150MWp located in Toro (Zamora).

Herbert Smith Freehills LLP

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.

Practice head(s):

Miguel Riaño

Other key lawyers:

Iria Calviño; José Ramon Mourenza; Miguel Fraga; Esther Lumbreras; Eduardo Dachary; Alberto Martínez; Sergio Cires


‘360º vision of issues, analysing all possible angles.’

‘José Ramon Mourenza – agile response and very specialised knowledge.’

‘The Herbert energy team is one of the best in the market; its commitment and global understanding of the sector, its agile and profound response set it apart.’

Key clients

Energy Infrastructure Partners / Crédit Agricole Assurances

Engie / Crédit Agricole Assurances


Altano Energy

Renewable Power Capital (RPC)

Quercus Real Assets Limited

Acek Renovables / Clear Wind

Berkeley Minera

Work highlights

  • Advised Engie, together with Crédit Agricole Assurances, on the acquisition of up to 100% of the share capital of the Spanish company Eolia Renovables from Alberta Investment Management Corporation.
  • Advised Energy Infrastructure Partners and Crédit Agricole Assurances on the €905 m acquisition of 25% Repsol Renovables, its renewables company.
  • Advised Solarig on the sale of 10% of its development projects’ portfolio in Spain and Italy to Alantra, a Spanish private equity company.


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.

Practice head(s):

José Giménez; Lara Hemzaoui

Other key lawyers:

Roberto Sánchez; Jorge Toral; Mario García


‘The Linklaters team is flexible in terms of its availability and closeness. It is also open to new approaches, which allows it to provide creative solutions that best defend the interests of its clients.’

‘José Giménez stands out for his encyclopedic knowledge of law and his understanding of business realities; the combination of both capabilities allows him to provide precise and accurate advice.’

‘Prior knowledge and excellence of the team.’

Key clients



BRUC Energy




Redeia (formerly Red Eléctrica de España)


Credit Agricole Assurances

Energy Infrastructure Partners


Orix Corporation



Matrix Renewables


Watson Farley & Williams LLP

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.

Practice head(s):

María Pilar; García Guijarro

Other key lawyers:

Rodrigo Berasategui; David Diez; Javier Ester


‘Firm with great specialisation in the sector.’

‘David Diez has a great knowledge of the energy sector.’

‘Kindness, effectiveness and efficiency.’

‘Knowledge and experience in a variety of transactions, (including M&A, financing, project contracts and regulatory issues). Very rigorous and at the same time commercial.’

‘The WFW team has great knowledge of current regulations as well as new interpretations of different organisations. ’

‘David Diez is a prestigious professionals, committed to his clients. He always provides very well-founded interpretations.’

Key clients

Cerberus Capital Management

CDPQ (Caisse de Dépôt et Placement du Québec)

CIP (Copenhagen Infrastructure Partners)

CPPIB (Canada Pension Plan Investment)

Falck Renewables

Helios Energy Investment

Macquarie Capital

Noy Infrastructure & Energy Investment Fund

Octopus Renewables Infrastructure Trust plc

Ontario Pension Trust






Saeta Yield





Work highlights

  • Advised Grupo T-Solar Global, owned by private equity firm I Squared Capital, and its M&A advisers – Goldman Sachs and PJT Partners – on the sale of Grupo T-Solar Global and its portfolio of renewable assets located in Spain and Italy.
  • Advised CIP on the acquisition of a portfolio of renewable wind assets under development with an aggregate capacity of c. 1,130 MW, located in the autonomous community of Aragón, Spain from Forestalia Group.
  • Advised Green Arrow Capital SGR on the acquisition of a portfolio of solar PV projects under development in Spain with an overall expected capacity of 508 MW and a total value of €400m+ from Progressum Energy Development, through its subsidiary Green Arrow Infrastructure of the Future Fund.

Addleshaw Goddard

Sporting a ‘multidisciplinary team’ with specialisms in dispute resolution, M&A, finance and tax, Addleshaw Goddard 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.

Practice head(s):

Gonzalo Olivera

Other key lawyers:

Roberto Pomares; Alberto Artés; Gonzalo Fernández; Victoria Ruenes; Elena Gonos


‘A multidisciplinary team.’

‘Has the capacity to respond to legal queries of any kind within the renewable energy market, both electricity and gas. Furthermore, they do it with great dedication, even training the client in these aspects.’

‘The team is professional, close, dedicated and empathetic to the client.’

Key clients


EDP Energías de Portugal

EDP Renováveis




GreenVolt Energías Renováveis

Alantra Solar

EKZ Renewables

Igneo Infrastructure Partners

Suma Capital

Metka EGN

Vapat Inversiones Empresariales

Hyperion Renewables


European Investment Bank

Sustainable Energy One (SEO)

Acciona Recarga (Formerly Cargacoches)



Benbros Energy

SINOPEC International Petroleum Exploration and Production Corp

Concord New Energy Group Limited

Work highlights

  • Advised Alantra Solar on the launch of N-Sun Energy, its new €1.7bn cross-border investment platform for 1.9 GW solar PV projects in Southern Europe.
  • Advised the European Investment Bank (“EIB”) on Project Helios, a €238m project finance scheme for the development, design, construction and operation of 15 solar photovoltaic (PV) plants located across three regions of Spain (Aragon, Castilla La Mancha and Castilla y Leon), with a total installed capacity of approximately 685 MWp.
  • Advises the EDP Group (including its subsidiaries EDP Energías de Portugal and EDP Renováveis) on all the regulatory and contractual aspects of its energy businesses in Spain.

A&O Shearman

The strong partner-led team at A&O Shearman 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.

Practice head(s):

Ignacio Ruiz-Cámara; Charles Poole-Warren; Jimena Urretavizcaya; Vanessa Cuellas; Antonio Vázquez-Guillén; Ignacio Hornedo; Pablo Mayor; Íñigo del Val

Other key lawyers:

Nuria Ferré; Emilio Martínez


‘Antonio Vázquez-Guillén: good knowledge of the sector and regulation, creative, imaginative, available.’

‘A&O Shearman stands out for its extensive experience and commercial and operational knowledge of the sector, which are key to understanding the issues and problems that arise. Exceptional quality of the partners, who are always available, and of the team in general.’

‘The best energy lawyers in the country are Vanessa Cuellas and Nuria Ferré. They understand the sector perfectly, control the entire business value chain, are always available and negotiate all types of contracts exceptionally.’

‘Consolidated and highly experienced team with a long track record in both sponsor and lender-side advice.’

‘Extensive experience, covering the widest spectrum of structures and solutions. Exemplary anticipation, availability and efficiency. Permanent updating and dissemination of knowledge in a detailed and exhaustive manner. Flexibility and creativity.’

‘Vanessa Cuellas is exemplary, active, decisive and integrative.’

‘Ignacio Ruiz-Cámara is one of the few authentic top professionals in the legal scene inside and outside of Spain. The firm could not have a better managing partner. Vanessa Cuellas is an excellent lawyer who is knowledgeable of the energy sector.’

Key clients

Banco Santander

Bruc Management

Matrix Renewables Spain

Citibank Europe


Intermediate Capital Group

Acciona Energía

Infravia Capital Partners





Siemens Gamesa



Matrix Renewables Spain

Work highlights

  • Advised Repsol on the sale of 25% of its upstream business (E&P Exploration & Production) worldwide, including part of the prior reorganisation that had to be conducted in order to sell the E&P business.
  • Acted for the syndicate of lenders, led by National Westminster Bank, Plc. in the granting of a €2.296bn facility to Igneo (Finerge entities) for the purposes of refinancing outstanding debt of the group which was used to finance sustainability projects.
  • Advised Igneo Infrastructure Partners on the financing aspects of the sale of the entire share capital of Parkia Spanish Holding, S.L.U., and indirectly, of its subsidiaries, to Indigo Infra, S.A.S.

Ashurst LLP

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.

Practice head(s):

Andrés Alfonso

Other key lawyers:

José Christian Bertram; José Antonio Rodríguez; Irian Martinez; Soledad Adell; Alfonso González-Espejo


‘Ashurst has an interdisciplinary team that is highly efficient in managing transactions in the energy field. Interaction with any of the areas concerned is simple to the extent that the responsible partner encourages such dialogues.’

‘Andrés Alfonso stands out not only for his very deep knowledge of the energy sector but also for his past in in-house functions, which gives him a complete understanding of the typology of issues and concerns that surround the role of the internal counsel.’

‘Last year I worked with José Christian Bertram, he did an exceptional job. His availability to answer any question, his knowledge of the sector and his particular attention to detail, make him an outstanding professional.’

Key clients




Credit Agricole Corporate and Investment Bank (CACIB)

Société Générale


Cero Generation

Cobra Instalaciones y Servicios, S.A.

Sener Ingeniería y Sistemas, S.A.

Iv3 Aqua Corporation




Work highlights

  • Advised N-Sun Energy, the new investment solar platform formed by Alantra Solar (a JV between Alantra and Solarig) and supported by both Swiss infrastructure asset manager Reichmuth and French asset manager Amundi Energy Transition, on the gradual acquisition from Solarig of a portfolio of solar PV projects located in Spain and Italy with a total capacity up to 1.9 GW, through the acquisition of eight SPVs in Spain and in Italy.
  • Advised Meridiam on the financing of Autovía de los Viñedos (dual carriageway) in Castilla La Mancha (Spain).
  • Advising CEPSA in relation to the potential sale, within a competitive process, of a portfolio of cogeneration assets.

CMS Albiñana y Suárez de Lezo

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.

Practice head(s):

Luis Miguel de Dios; Ignacio Grangel; César Albiñana

Other key lawyers:

Alfonso Codes; José Luis Pérez-Campoamor; Elena Alcázar; Juan Moreno


‘We worked with the firm on a large volume of renewables transactions. The cooperation was excellent at all times.’

‘Pronounced expertise, and agreed delivery dates were met at all times. ’

‘Elena Alcázar deserves special mention because she implemented the agreed changes as quickly as possible, especially in difficult contract negotiations, and improved them in each case by contributing her professional expertise.’

Key clients

Siemens Gamesa

Siemens Energy

Iberdrola Renovables


Northland Power


Nexus Energía

Villar Mir Energía

Fusion Fuel

Arena Power

EEW Eco Energy World

Encavis AG

DLA Piper

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.

Practice head(s):

Pablo Echenique; José María Barrios; César Herrero

Other key lawyers:

José Manuel Sala; Marta Vizcaino; Carlos Daza


‘Lots of experience, close people and impeccable treatment with other lawyers/firms.’

‘José Manuel Sala stands out for his deep knowledge of regulated matters in the energy sector, personally following up on specific matters, and promptly informing us of any incident in the files.’

‘José Manuel Sala stands out for his professionalism and honesty in his approach to resolving the matters entrusted to him.’


Key clients


Cube Infrastructure Fund

Falck Renewables



AMPYR Energy

Banco Estado de Chile

Landesbank Baden-Württemberg

H & M Finance

STX Commodities B.V.

Aquila Capital

Banco Consorcio

Banco CorpBanca

Banco de Crédito e Inversiones

Banco Itaú

Banco Sabadell

Banco Santander

Banco Security




China Construction Bank

Commerz Real


EDP Renovaveis


Fuerte Group





Patentes Talgo

Sampol Energía

Starwood Capital Europe Advisors

Swiss Re

Work highlights

  • Advised Shell New Energies Holding Europe B.V. on the acquisition of a platform of ten solar photovoltaic projects from Green Tie Capital in Spain to generate aprox. 2 GW of power.
  • Advised Aquila Capital on several matters, such as financing, M&A and regulatory advice in the renewable energy sector.
  • Advised Banco Santander and a syndicate of lenders on the restructuring of the financing granted to the company owned by ACS and FERROVIAL for the maintenance and operation of the M-30 ring and other road infrastructures, EMESA.

Jones Day

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.

Practice head(s):

Raimundo Ortega; Javier López Antón; Mercedes Fernández; Fernando Lillo

Other key lawyers:

Antonio Canales


‘The energy practice is very complete and has a lot of experience. They are always updated and provide great support for national and international investments. Their advice is always complete, up-to-date and always has a very commercial approach which is very useful. They stand out both in advising national and international clients.’

‘Deep knowledge of the subject.’

‘Jones Day’s reasonable and fair judgment can be relied upon when negotiations get complicated.’

‘The firm’s global presence, with different offices in regions across Europe, the USA, the Middle East and Australia, makes it a reference point to go to in those locations while maintaining management and coordination from Madrid. ’

‘Fernando Lillo – a lawyer who can be trusted to advise on a deal, providing knowledge of the market, problem-solving and skills in resolving disputes.’

Key clients

Banco Bilbao Vizcaya Argentaria, S.A. (BBVA)

CaixaBank, S.A.

Banco Santander, S.A.

Aer Soleir LLC


Athos Solar GmbH

Coöperatieve Rabobank U.A

Work highlights

  • Advised Aer Soléir on one of the first hybrid (PV and wind) projects in Spain and its first investment in the Spanish Market.
  • Advised Banco Santander, S.A. as leader of a lenders’ syndicate on the restructuring of the Villanueva wind farms’ financing for the hybridisation of the projects.
  • Advised OX2 Holding New Markets AB as purchaser of a 151,54 MWp photovoltaic portfolio from Modus Energy International BV., a Lithuanian developer.


‘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’.

Practice head(s):

Javier Montalvo; Gervasio Martínez-Villaseñor

Other key lawyers:

Eduardo Abril; Gonzalo Rubio


‘The MVA team is distinguished by its deep knowledge of the energy sector and its ability to, in some way, “merge” with the team it advises.’

‘Gervasio Martínez-Villaseñor – enormous experience, creativity and legal capacity. This, together with his great human quality, contributes to creating a climate of trust vital for an attorney-client relationship.’

‘Impressive knowledge and large expertise.’

Key clients

Repsol Group

EDP España

Eni Plenitude

Red Eléctrica de España, S.A.U. (the Spanish TSO and sole transporter)

Engie Spain

Hanwha Energy Corporation Europe

Axpo Iberia (EGL Group).

Naturgy Energy Group

Glenmont Partners

EDP Renewables (Energías de Portugal Group)

ACER (Agency for the Cooperation of Energy Regulators).

BP Spain (power, gas and oil).

Capital Energy

Reden Solar, S.A.S.


Planta de Regasificación de Sagunto (SAGGAS)

Sacyr Concesiones

Asociación Española del Gas (SEDIGAS) (the Spanish Gas Association).


OMP Capital AS

Plenium Partners


Monbake Grupo Empresarial, S.A.U.

Enso Energy (Spanish biomass subsidiary of T2 Energy Transition Fund, launched by Tikehau Capital in collaboration with Total S.A.).

Magnon Green Energy (the energy production subsidiary of ENCE).

Gas de Extremadura

Work highlights

  • Advised ENI Plenitude on the acquisition of a portfolio of greenfield power production projects amounting up to circa 1GW capacity subject to the successful participation in the capacity tenders, including the relevant development services agreements.
  • Assisted ENGIE Spain with the administrative and contentious-administrative appeals filed in respect of different wind projects’ permits.
  • Advised Repsol on the permitting for the upgrade of a repowering of Aguayo hydro-electric power facility and other matters related to the development of the project.


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.

Practice head(s):

Ana Cremades; Javier Carvajal; Mónica de San Román

Other key lawyers:

Ander Valverde; Dídac Severino; Nasif Hamed; Belén Wert


‘The availability and closeness of Ana Cremades and her team, and their understanding of the challenges that companies face, make working with them a real pleasure.’

‘Very good energy and M&A team.’

‘Ana Cremades has the knowledge and wisdom of a state lawyer and knows how to “ground” those concepts in the reality of companies and projects – working with her is a pleasure.’

‘Dídac Severino has extensive experience in the M&A market that supports his project management knowledge in various jurisdictions. He knows and “speaks” the industry jargon.’

‘The team is multidisciplinary and capable of advising on all aspects related to project transactions in the energy sector.’

‘Ana Cremades and her team are characterised by excellence and rigour in their work.’

‘Highly competent and experienced hands. What truly makes this practice unique is its personalised and comprehensive approach. The lawyers not only have a deep knowledge of the energy sector, but also have an uncanny ability to anticipate potential obstacles and offer proactive solutions, thus demonstrating a capacity for future vision that I have not experienced with other firms.’ 

Key clients


Alantra Solar

Sonnedix Qualitas

Grupo Villar Mir

Galp New Energies

Glennmont Partners


Windin’ Capital Fund

Atlas Renewable Energy




Banco de Sabadell

Umbrella Solar Investment




Capital Energy

Plenium Partners

Pinsent Masons LLP

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.

Practice head(s):

Hermenegildo Altozano

Other key lawyers:

Alfonso Bayona Giménez; Juan de Navasqüés; Borja Martín; Pablo Galera Béjar


‘Comprehensive knowledge of the definition of electric energy forward contracts.’

‘Breadth of industry and legal knowledge, best market practices, very high price-quality ratio, availability for the client.’

‘Pinsent Masons is distinguished by its team of highly specialised lawyers, who have deep knowledge of the legal complexities surrounding the energy industry.’

Key clients

BayWa r.e España

Enagás Transporte, S.A.U.

Canadian Solar Inc.

Naturgy, S.A.


Ib Vogt GmbH

L&G NTR Clean Power (Europe) Fund

RJ Eurodevelopment (Renewable Japan Group)

RIC Sun España

Renovalia Energy Group

Técnicas Reunidas

Work highlights

  • Advised Enagás and Enagás Transporte on the split of Enagás Transporte’s business consisting in the ownership, management, operation and exploitation of the LNG terminal of El Musel (Gijón, Spain), together will all contracts and personnel associated to it, which will be assigned/transferred to a Newco fully owned by Enagás Transporte.
  • Advised IB Solar Parks BV (an affiliate of IB Vogt GmbH) on the sale of the Spanish company Garnacha Solar, which owns Project Garnacha, to the Italian listed company ERG for an enterprise value of €170m.
  • Advised L&G NTR Clean Power (Europe) Fund managed by Legal & General Investment Management (LGIM) on the acquisition of three Spanish pre-operational solar projects from global renewable energy company BayWa r.e.

Uría Menéndez

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.

Practice head(s):

Juan Ignacio González

Other key lawyers:

Ignacio Álvarez Couso; José Félix Zaldívar de la Rica; Roberto Fernández


‘Absolute excellence, results-oriented, availability and resolution of the issues raised in an efficient, fast and business-oriented manner.’

‘Uría Menéndez has a large team highly specialised in energy, always up to date with legislative developments and with great knowledge of the sector. They are specialists in all areas related to our value chain, being able to provide comprehensive advice, from M&A to project financing, through regulatory advice and on day-to-day business issues.’

‘We especially value the excellence, availability and personal treatment of the lawyers.’

José-Félix Zaldivar demonstrates outstanding knowledge of the matters on which he advises us and his direct involvement in the matters, and therefore direct knowledge of the needs of the specific client, sets him apart.’

‘Quality of the service (the opinions they express are well founded, solid and reasoned, and the documentation is excellent). It’s the kind of team to turn to for especially complicated issues that require creativity and solvency.’

‘José Félix Zaldivar is the partner who manages our affairs. What I appreciate most about their services is their knowledge of the business and industry practices. Beyond rigour and legal technique, which he undoubtedly has, José Felix always strives to give commercial sense to his advice in such a way that it facilitates reaching solid agreements.’

‘Outstanding command of market standards in corporate financing negotiations. Flexible billing mechanisms.’

Key clients




Nexwell Power

Banco Bilbao Vizcaya Argentaria

China Three Gorges

Bruc Energy


Banco Santander





Lightsource BP


Andersen Tax and Legal

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‘.

Practice head(s):

Carlos Mínguez

Other key lawyers:

Federico Belausteguigoitia; Carmen March; Carlos Morales


‘They take great care and effort in not only providing legal advice but also getting involved in business networking. They provide much more than just legal advice.’

‘Carmen March is incredible, a great person, and very smart. She also anticipates the issues, and coordinates other areas to provide spectacular 360° advice.’

‘Provide quality service and on time.’

Key clients

Abo Wind

Avanzalia Solar



Alter Enersun



Work highlights

  • Advised eCombustible on its partnership with Grupo Pamesa for the installation and supply of green hydrogen-based fuel in the Pamesa’s factories.
  • Representing Avanzalia Solar in a lawsuit in Panamá regarding solar plants.
  • Advises Renovalia Energy Group on 1800 megawatts development, corresponding to 28 photovoltaic parks.

Baker McKenzie

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.

Practice head(s):

Antonio Morales

Other key lawyers:

Luis Casals; Juanjo Corral; Luis Fuster; Manuel Somacarrera


‘Baker is a top-level firm, capable of leading multiple public law matters, as well as complex litigation both in Spain and in other jurisdictions.’

‘Antonio Morales is a great expert in sophisticated litigation mainly on energy, construction, urban planning and infrastructure issues.’

‘The team stands out for the trust, security and experience it demonstrates in the matters in which we have worked together. They understand our business and defend our interests. They know us perfectly and are capable of offering us the best solutions adapted to our needs at all times.’

Key clients

Iberdrola, S.A.



Westinghouse Electric Company

Grupo Navarro

Acciona Energía


Work highlights

  • Advised Iberdrola on the sale of more than 8,400 MW of its combined cycle gas operations in Mexico for approximately $6bn to Mexico Infrastructure Partners (MIP).
  • Advised Iberdrola on its alliance with Norway’s sovereign wealth fund, managed by Norges Bank Investment Management, to invest in new renewable energy projects in Spain with an aggregate capacity of 1,265 MW.
  • Advised Repsol on the sale of a 25% stake in its worldwide renewables unit to Credit Agricole Assurances and Energy Infrastructure Projects (EIP) for €905m.

Deloitte Legal

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.

Practice head(s):

María Guinot

Other key lawyers:

Ignacio Echenagusia; Carlos Tallón; Ignacio Alonso


‘Deloitte’s energy team is broad, proactive and highly sophisticated. Although the market for legal services in energy matters has many lawyers, Deloitte stands out as one of the best firms, under the leadership of María Guinot, a trustworthy, brilliant, decisive and always business-oriented lawyer.’

‘Working with them means having the utmost confidence that matters will be treated with care, professionalism, rigour and efficiency in the management of resources. In a regulatory environment as complex as the energy sector in Spain, Deloitte Legal offers knowledge of the sector and our business that makes them unique.’

‘I would like to highlight the great work done by Carlos Tallón, senior associate of the firm, leading the firm’s practice in the sector. Great professional with a long history in the energy sector, technical quality that is difficult to match and remarkable availability, all combined with exceptional treatment and stature as a person. I would also highlight María Guinot as responsible for the firm’s practice and always a guarantee in complex matters.’

‘The team with which we have worked on the energy projects has responded remarkably with the quality and quantity of the work, as well as in its direct involvement in solving the problems that arose and, ultimately, with the positive resolution of the matter in question.

‘It is a highly technically specialised team, which is proactive, has a business approach and the ability to anticipate the client’s needs. I believe that one of its greatest virtues is that it is a team that knows energy regulation in depth and covers, unlike other firms, not only transactional aspects but also regulatory advice, and client defence in the administrative and judicial procedures linked to the world of energy.’

‘María Guinot – her professionalism and technical excellence, as well as her closeness and proactivity, make her worthy of our utmost trust.’

‘I would highlight Carlos Tallón, who has great technical capacity and knowledge of the sector and our business, but also exquisite treatment, total availability and management of his team that gives us a lot of confidence and allows us to delegate the work to him, with the complete confidence that our demands will be met and delivered on time.’

‘A team of very high-level professionals.’

Key clients

Enel Green Power España

Repsol Renovables, S.A.

EDP Renovables, S.A. (EDPR)

Redexis, S.A.

Kobus Partners

Hanwha Qcells

Enagas, S.A.

Grupo Cuerva

Navitas Energía

Renovables Rotonda, S.A.

Work highlights

  • Assisted Repsol Renovables with the public law, real estate, corporate, tax and financial due diligence process for the purchase of 2 photovoltaic and 3 wind farm greenfield projects in Spain owned by ABO Wind and in the subsequent drafting and negotiation of the contractual documents of the transaction.
  • Together with EDP, Endesa, Iberdrola and Naturgy carried out an analysis and elaborated a report proposimg 10 recommendations to improve the planning and processing of energy infrastructure projects in Spain.
  • Prepared a regulatory report for Acciona Energía that includes the main regulatory barriers to repowering the client’s old wind farms throughout Spain.


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.

Practice head(s):

Fermín Garbayo

Other key lawyers:

Luis Gil; Almudena Gurpegui


‘Much better team coordination than their peers. Also outstandiing quality in documentation.’

‘Fermin Garbayo brings together experience, clear-cut advice and strong process-management capabilities.’

‘One of the most reliable choices in Spain when we confront tough counterparts under significant time pressure.’

‘They compare much better than other competitors, due to their technical knowledge of the energy sector. They are able to adapt contracts to real risks and sector standards.’

Key clients

Nextracker Inc. (a subsidiary of Flextronics International Ltd)



Corning Inc.

Largo Clean Energy Corp.

Work highlights

  • Advising Nextracker Spain, a subsidiary of Nextracker Inc., on corporate, regulatory and labor law matters.
  • Advised EDP España, a Spanish subsidiary of the EDP group, on the purchase of a project with a total estimated installed capacity of more than 164 MWp.
  • Advised ARCADIS energy on regulatory and environmental law advice related to energy self-consumption law.


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.

Practice head(s):

Javier Olmos

Other key lawyers:

Sara Rafecas

Work highlights

Hogan Lovells International LLP

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.

Practice head(s):

Fernando Calancha Marzana

Other key lawyers:

Raúl Matute; Borja Fernández Burgueño


‘The Hogan Lovells Energy team has solid and proven experience in providing regulatory advice to companies in the sector. High knowledge of the functioning of the electricity market.’

‘Fernando Calancha has a precise and deep knowledge of the electricity sector, the actors involved, the functioning of the markets, and, above all, what to expect regarding the actions of the authorities and supervisory bodies.’

‘Risk-focused advice and a solid defence of the client’s interests.’

‘They are very knowledgeable of energy sector regulations. Specifically, Fernando Calancha has advised us brilliantly on information and sanctioning files from the regulator (CNMC).’

‘Hogan Lovells has an absolutely fantastic team. It is an accessible, efficient team, with great experience and knowledge of the sector. Punctual with deadlines. Able to take on tasks with great difficulty and tackle them successfully.’

‘Fernando Calancha has deep knowledge of the sector thanks to his long career. Raúl Matute is one of the best lawyers one can find despite his young age; a great career awaits him. Both Fernando and Raúl are passionate about their profession and this is evident in the high quality of their work. ’

‘Availability of partners and senior team.’

Key clients


Asociación Empresarial Eólica (AEE)






Zero Waste

Metka (business unit of the Greek company Mytilineos S.A.)

Montero Aramburu Abogados

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.

Practice head(s):

Miguel Cuesta Boothman

Other key lawyers:

Ignacio Albendea Solís; Rebeca Cuesta Boothman


‘A team of professionals with extensive knowledge in various branches of law.’

‘Up-to-date knowledge and availability. Billing methods are appropriate and agile.’

‘A great firm that offers excellent treatment to clients.

Key clients

Viridi RE GmbH Development GmbH

Solar Ambition Europe GmbH

Total Energies


ERG Spain HoldCo, S.L.U.


Burgos Conkanes

Coliaenergia España Sociedad Limitada.

Villar Mir Energía

Island Green Power

Work highlights

  • Advised German energy companies Viridi and Solar Ambition on the sale of a portfolio of solar photovoltaic projects with a total power capacity of approximately 510 MW to investment management company Aquila Capital.
  • Advised Finnish asset management firm Elite Alfred Berg (currently known as EVLI PLC) on the purchase of a portfolio of 12 solar photovoltaic projects with a total power capacity of approximately 75 MWp from Exiom Group.
  • Advised ERG Spain HoldCo, S.L.U. on two asset purchases and development agreements with Ibersun Renewable, S.L. for the acquisition and development of two solar photovoltaic projects with an approximate power capacity of 580 MW and 550 MW.


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.

Practice head(s):

Pablo Enrile; Lucía González

Other key lawyers:

Javier Alagón; Paula Rubio


‘Very cohesive practice, where all its members work as a single team and have a very high level of specialised sector knowledge.’

‘Well prepared to help us at any time and with an excellent technical level. They understand the business perfectly. They have deep knowledge of the energy sector and the complex processes in Spain. The practical and commercial approach that Javier Alagón brings is differential when it comes to making investments, transactions or sensitive decisions for our company. Unlike other law firms, this team has the ability to provide real solutions and not obstacles to problems.’

‘The team has enormous knowledge of the energy sector and always proposes innovative solutions that not only meet our legal but also commercial needs.’

‘This team is characterised by its business vision, negotiation skills, as well as its great knowledge in the development of renewable projects, which allows in-house lawyers to position ourselves commercially and complement the mitigation of legal risks with strictly commercial ones. ’

‘Javier Alagón stands out in his advice by combining great commercial capacity and negotiating skills with solid technical knowledge and an enormous degree of involvement. He has undeniable leadership skills.’

‘Knowledge of the market and the legislation that regulates it, but fundamentally of the business in question.’

‘They are always attentive to our needs. A very young and willing team, always on the lookout, and led by veterans with plenty of experience. The managing partners know the projects in detail, are present and actively involved in all calls and documents.’

‘They are totally deal-oriented, which distinguishes them from most of the firms I know.’

Key clients

M2 Energy Investment Partners, S.L.

A&G Renewables Iberian Solar I

Aldesa Construcciones, S.A.

Canadian Solar Spain, S.L.

Soltec Development, S.A.U.

Parques Reunidos


ABO Wind España, S.A.

Técnica y Naturaleza, S.A.

Work highlights

  • Advised M2 Energy Investment Partners on the structuring of the transaction and the analysis of the different alternatives available from a M&A, corporate and tax perspective.
  • Advised A&G Renewables Iberian Solar I (a Luxembourg investment fund) on the acquisition of a portfolio of five photovoltaic projects located in Cadiz with a total capacity of more than 210 MW.
  • Advised Aldesa Construcciones on the sale to CTG of a 104.5 MWp “Ready to Build” project in Almaraz (Cáceres), with the subsequent EPC contract for the construction of the project.

Squire Patton Boggs

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'.

Practice head(s):

Teresa Zueco; Manuel Mingot; Antonio Bañón

Other key lawyers:

José Luis Iriarte; Manuel Gómez


‘The team has excelled in transversal advice. This has proven to be an outstanding point in comparison with other firms – which are more focused on transactional aspects.’

‘Antonio Bañón is an expert in public and regulatory law, and has printed this perspective on the whole advice. He has proven that identifying regulatory issues at early stages definitely benefits the client.’

‘Very high availability and knowledge of the market and players. Always provides good advice for our transactions.’

Key clients

Eiffel Investment Group SAS

EDF Trading Ltd

Solaria Energía y Medioambiente, S.A.

Capital Energy

Nord LB – Norddeutsche Landesbank – Girozentrale –

X-Elio Energy

Ben Oldman


Univergy Solar

HVR Energy

Bayern LB

Zencap AM

Pan American Energy

Unicaja Banco

Acofi Gestion

Langa International

Helios Aragón

Work highlights

  • Advised German landesbank as lender’s counsel on the granting of a €100m non-recourse senior secured project facilities to a Spanish SPV of the Irish NTR group.
  • Advised French asset manager Eiffel Investment Group on a €75m financing facility to Spanish renewable energy developer Capital Energy.
  • Advised HVR on the construction and development of the first green hydrogen plant in Madrid.

Araoz & Rueda

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.

Practice head(s):

Francisco Solchaga; Laura Vintanel

Other key lawyers:

María Nieto; Fernando Pérez


‘Its main differential value is personalisation and knowing how to put itself in the client’s shoes, providing proactive solutions to possible future problems.’

‘Always available and very flexible.’

‘Always available, happy to listen to different points of view.’

Key clients

ENI Plenitude

Everwood Capital


Alantra Solar

Gashogar (Servigas)


Circle Energy

Aurea Capital/Dosa

Taaleri Energia

Plenium Partners

Work highlights

  • Assisted Alantra with the launch of an investment platform focused on the development, construction and operation of solar plants in Spain and Italy part of a long-term collaboration agreement between Alantra and Solarig and the support as strategic co-investors of Reichmuth and Amundi Energy Transition.
  • Advised Plenitude on the acquisition of a wind project with an aggregate capacity of 106 MW in Cuenca from Azora.
  • Assisted Circle Energy with the acquisition of a minority stake in Comunidad Solar, a remote self-consumption company.

EY Abogados

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.

Practice head(s):

Pablo Dorronsoro; Luis Ques; Susana Gómez Badiola

Other key lawyers:

Marta Salazar


‘They have deep, high-level legal knowledge, making the complete advice they provide unique, from all points of view. They are capable of providing a high quality service.’

‘Pablo and Marta have excellent knowledge of the Spanish market and can apply it to the commercial realities of a developer.’

‘Pablo Dorronsoro and Marta Salazar are very helpful and have extensive experience. They are very responsive and always available to provide guidance and support. They are practical in the application of their guidance and support.’

Key clients

















Work highlights

  • Advised Ørsted on the establishment of three joint ventures with local Spanish developers Rolwind, Arba Energías Renovables and Ereda for the development of solar and onshore wind projects across Spain.
  • Advised Talasol in connection with its 300MW PV plant in Talaván (Cáceres).
  • Advised UMBRELLA SOLAR INVESTMENT on the sale of a minority stake in INFINITY SOLAR INVESTMENT to French fund RGREEN.


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.

Practice head(s):

Ramón Vázquez del Rey Villanueva

Other key lawyers:

Paloma Mato; Andrés de la Quadra-Salcedo; Borja Martínez Corral

Key clients

Simply Blue Group


Voltalia Group

Papresa, S.A.

Baxter, S.L.

Gas Industrial-asociación Para Un Gas Industrial Competitivo

Gasificadora Regional Canaria, S.A. (Disa Holding Group)

Ikav Energy Spain Group

Aquila Capital

Disa Península, S.L.U./Disa Red Peninsular, S.L.

Work highlights

  • Advised Simply Blue (FOW 2 UK), Ltd. on a joint venture for floating offshore wind projects in Spain and Portugal.
  • Advised ACOGEN, COGEN España, and ADAP on urging the Spanish Government to publish essential premiums for covering operating costs.
  • Advised VOLTALIA GROUP on the implementation of renewable generation projects in Spain.

GTA Villamagna Abogados

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.

Practice head(s):

Ernesto García-Trevijano

Other key lawyers:

Marta Plaza; Jesús Estrada


‘GTA Villamagna is a boutique firm specialised in administrative law, which allows it to have excellent knowledge of the regulation of the energy sector and also a highly appreciated practical vision for day-to-day issues of a company in the sector that promotes projects.’

‘Jesús Estrada demonstrates a solid knowledge of administrative law and provides practical advice adapted to the client’s needs, which I value very positively. Also noteworthy is the excellent personal treatment, availability and ability to quickly understand the problems raised and the client’s needs.’

‘The team has the availability to attend to important and urgent requests, and knowledge to deal with them efficiently and effectively.

Key clients

Xallas Electricidad y Aleaciones SAU

Treemond SA

Orovalle Minerals, S.L

Duet Spa & Sports, S.L.U

Ohl Servicios Ingesan Sa, S.A

Grupo Aguas Alfaro, S.L.

Tecnica Y Naturaleza, S.L

Ithaka Partners

Valeo Services España, S.L

Work highlights

  • Assisting Xallas Electricidad y Aleaciones SAU with regard to its 8 hydroelectric energy production facilities.
  • Advising Treemond SA on the acquisition of a strategic plot.
  • Advising Orovalle Minerals, S.L on every legal issue related to the daily operations of the EL VALLE-BOINÁS/CARLÉS Mine.

Osborne Clarke

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.

Practice head(s):

Luis Castro

Other key lawyers:

Eduard Arruga; Blanca Montero

Key clients

Hive Energy

Foresight Group LLP

RWE Renewables Iberia

Quintas Energy Group

Sinia Renovables (Banco Sabadell)

Nara Solar

Enerland Power




Soto Solar


Reolum Renovables

Deutsche Leasing Finance

Enerparc AG

Univergy International

EEW Eco Energy World

Windvision (now Rener Energies)

Greening Group

Work highlights

  • Advised Foresight Group on the acquisition of a pipeline of development-stage solar farms with a total potential capacity of approx. 500MWp from Grupo Cuerva and another Spanish developer.
  • Advised Hive Energy on the sale of 100% of the share capital of the three Spanish companies – Rocio Hive, S.L., Palma Hive, S.L. and Pedregal Hive, S.L. (i.e. photovoltaic solar plants amounting to a total of 57.1MWp) – to EDP Renovables España, S.
  • Advised Greening Group on the acquisition of the 100% of the shares of an SPV owning a PV plant of 10 MWp called “Capellanías” in Cáceres (Extremadura) which is being currently built.

Ramón y Cajal Abogados

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.

Practice head(s):

Pablo Silván; Antonio de Mariano

Other key lawyers:

Carlos Melón; Javier Beltrán


‘The availability of the team is absolute and the service they offer is complete and multidisciplinary.’

‘Availability and technical excellence. They have always given us a legally viable solution to any query that has been posed to them at the time, all without prejudice to a subsequent study, analysis and issuance of a report.’

‘Very specialised team in hydrogen matters. Pablo Silván is always very precise in the complex issues raised.’

‘It is a firm that is very committed to the client; they have a very high success rate in all the transactions undertaken with them.’

‘Great professionals with extensive experience in the sector, offering alternatives to the client when the situation requires it.’

‘RyC is a multidisciplinary firm that, with a large team of professionals, has addressed the energy issues that we have entrusted to it with a high capacity for resolution, diligence and agility. We are very happy to be able to count on its experience and support.’

‘Much deeper engagement of partners and senior team members in execution than is usual in similar firms.’

‘Antonio de Mariano is one of Spain’s most commercial senior lawyers specialising in renewables. His knowledge of the prevailing market conditions at any point in time is always outstanding. He regularly provides very valuable market intelligence beyond the strict limits of legal practice.’

Key clients

Arena Green Power


Qualitas Energy

Banco Sabadell




Q-Energy Europe Gmbh (formerly Hamwha Q-Cells)

Edora Global

Sustainable Energy One (Greenvolt)

Acciona Energía


Work highlights

  • Advising Solaer’s former shareholders on the sale of 100% of the shares of Solaer Group (with a portfolio of 2.8 GW PV projects under development, construction or operation in Spain and Italy) to Solarpack.
  • Advising a consortium composed of Ascendi (Ardian) and several Spanish construction companies in relation to their participation in the tender for various concession contracts for the construction and operation of roads called by the Government of Aragon.
  • Advising FCC Aqualia regarding the production and marketing of renewable gases (bio methane) manufactured in wastewater and sewage treatment facilities.