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Marta is a consultant in the energy and infrastructure practice in the Madrid office.

She advises leading energy and construction companies and investment banks on domestic and cross-border transactions and day to day operating legal aspects including project M&A, project contracts (PPA, O&M, EPC), project development and project finance.

Marta is recognised as an expert in energy and projects in Chambers Europe and EMEA Legal 500 legal directories.

  • Marta Sánchez Villalta is active on transactional mandates and offers additional expertise in the negotiation of PPAs. Her experience extends to project finance structures in the gas and power spaces, Chambers Global & Europe 2023-2022 – Spain (Energy and natural resources)


She has a degree in Law by Universidad de Málaga (Spain), a master's degree in Business law by Instituto de Empresa (IE) (Spain) and an additional master's degree in Energy by Club Español de la Energía (Enerclub) (Spain). She speaks Spanish and English. She is a member of the Ilustre Colegio de la Abogacía de Madrid (ICAM – Madrid Bar Association) and acts as Secretary non-director of the Board of Directors of several energy companies.

Prior to joining the firm, Marta held positions in energy and infrastructure at two leading international law firm based in Madrid, in the legal department at one of the Big Four companies and acted as a technical adviser for the central government in Madrid.

Experience & expertise

Selected matters

  • a global investment group on the acquisition of a relevant stake in a company owner of a biogas and biomethane production platform in Spain
  • a global investment group on legal advice related to the setup of a platform devoted to biogas projects in Spain
  • a Spanish energy group and a French infrastructure fund on the acquisition of a majority stake in three Spanish companies which own three biomass plants in Linares, Jaén, Spain, from Sacyr Group
  • 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.
  • Engie on i) the acquisition of a minority stake in two companies developing nine wind farm projects; ii) the negotiation of a shareholders' agreement; iii) the drafting and negotiation of a long-term power purchase agreement (PPA)and other ancillary agreements and iv) the negotiation of the projects' finance documents
  • Clean Sustainable Energy (CSE) on the acquisition and refinancing of a biomass power plant with an installed capacity of 8.5MW and an industrial sludge treatment and drying plant with cogeneration with an installed capacity of 17MW, both located in Málaga, Spain
  • Statkraft Markets on the negotiation of a long-term PPA with for a photovoltaic project with an installed capacity of 170MW
  • Glennmont Partners on the 100% acquisition of share capital of Sirocco Winco2, a portfolio of 98.71MW onshore wind projects in Spain located in Andalusia and Castilla-La Mancha, making its debut in the Spanish wind market
  • Ardian France on the acquisition of 100% of the shares owned by the counterparties in the "Parque Eólico Los Ausines" wind farm project
  • Dalkia International and Ecoenergies Barcelona on the financing granted by Caixabank for the design, construction and operation of a district heating and cooling network in Barcelona
  • Abengoa Water and Sojitz Corporation, as sponsors, on the development and MIGA backed financing of a 60,000 m3/d reverse osmosis water desalination project in Accra, Ghana, including the drafting and negotiation of the project agreements and the coordination and negotiation of the financing of the project
  • Cobre Las Cruces on all legal aspects of the opening and development of the largest copper mining project in Europe located in Seville, Spain, including the negotiation with the Public Administrations involved, permits, expropriations, acquisition of land, power supply, corporate issues, project financing, litigation, mining agreements, construction contract of the hydrometallurgical plant, oxygen supply agreement with Air liquid, negotiations with REE for the substation, etc.
  • Banco Santander and a syndicate of financial institutions on the €103 million refinancing of a container terminal owned by Noatum Container Terminal Bilbao in the Bilbao port, Spain
  • BBVA and a syndicate of financial entities on the restructuring of the financing granted to Noatum Container Terminal Málaga, a company owned by Noatum Ports, to operate a port terminal in the Port of Málaga
  • Banco Santander and a syndicate of financial institutions on i) the €227 million refinancing and ii) subsequent €275.5 million refinancing of a container terminal owned by Noatum Container Terminal Valencia in the Valencia Port, Spain
  • Cintra and Iridium on the project financing for the remodelling of the Calle Serrano in Madrid and construction of three parking spaces through an administrative concession