Deloitte Abogados’s energy offering stands out for its integrated approach to project development and energy regulation, combining legal, financial, and technical capabilities across Deloitte’s wider platform. The team advises on renewable project structuring, financing, regulatory approvals, and complex transactional work. Practice head Carlos Tallón brings extensive experience in energy regulation, project M&A, and managing administrative and judicial proceedings in the renewable and infrastructure sectors. María Guinot left the firm in June 2025, while Alfonso Bayona Giménez  and Juan de Navasqüés Dacal joined from Pinsent Masons LLP in March 2026.
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Key clients

  • Eni Plenitude
  • Elawan Energy
  • Endesa
  • Naturgy
  • Galp
  • Iberdrola
  • Acciona Energía
  • Infra4Be The Belgian Infrastructure Fund (Infra4Be)
  • RIC Energy
  • Repsol Renovables

Work highlights

Advised Endesa on the €1bn acquisition of 100% of Corporación Acciona Hidráulica, comprising a portfolio of 34 hydroelectric plants with a total installed capacity of 626 MW, including corporate, regulatory, competition, and labour matters.
Advised ENI Plenitude on the internal corporate restructuring of its renewable energy business, involving more than 25 SPVs owning photovoltaic projects at various stages of development and operation, including corporate M&A execution and legal and regulatory analysis before multiple public administrations.
Advised RIC Energy on securing over €81m on public funding under the Hydrogen Valleys programme for its €700m Compostilla Green SAF project in León, Spain.

Lawyers

Leading partners

The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Alfonso Bayona Giménez
Alfonso Bayona Giménez
Practice head

Carlos Tallón

Other key lawyers

Beatriz Cabeza; Alfonso Bayona Giménez; Juan de Navasqüés Dacal