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Our law firm is highly specialized in the electric and gas sector, with more than 20 years of experience advising national and international clients on this matter.

We have extensive experience in counselling on high efficiency renewable energy and cogeneration projects as well as in energy producing companies consultancy on special regime in the cogeneration, biomass, wind, solar and concentrated solar power sectors, both in terms of the development, construction and operation of projects and in acquisition or sale operations.

We regularly advise companies on various purchase and sale transactions of greenfield renewable energy generation projects and on the negotiation and signing of the most relevant contracts in these projects, including the development contract, EPC contract, financing contracts and power purchase agreement (PPA).

We have participated in some of the most important acquisitions in the energy sector in recent years.

We have deep knowledge of the sector and its extensive regulation, which allows us to offer, in consultation with the other departments/areas in our firm, comprehensive advice that allows participants of the sector to adapt to regulatory changes.

Furthermore, we advise different gas/electricity trading companies on their operations in Spain, including recurrent contractual advice (supply contracts, self-consumption, representation in the electricity market, agency, sale of energy products and services, etc.), regulatory advice and management of disputes with clients/consumers.

Among the services we provide in the Energy area, the following are worth highlighting:

  • Legal support in the regulation of the energy sector in Spain, both electricity and gas.
  • Advice on administrative processes to obtain authorizations for the construction and operation of production plants, in renewable or ordinary energies.
  • Advice on the financing of energy projects.
  • Contractual advice in the negotiation and drafting of contracts for the acquisition and sale of energy assets, both assets under development and assets in operation.
  • Legal due diligence of both energy assets and companies owning them.
  • Advice on the negotiation and drafting of development contracts, turnkey construction (EPC), operation and maintenance contracts for energy plants (O&M) and ATR contracts. Advice on the negotiation of early termination of contracts.
  • Advice on the negotiation of electricity supply and commercialisation contracts.
  • Advice on the negotiation of PPA contracts.
  • Advice on the drafting of self-consumption contracts.
  • Advice on the negotiation and drafting of representation contracts in the electricity market.
  • Advice on the negotiation of gas supply contracts.
  • Advice on the negotiation of heat supply contracts.
  • Advice on tolling contracts.


Advising on the investment in a portfolio of 1,200 MW of greenfield solar photovoltaic projects, including the carrying out of a legal due diligence on the projects and companies that own them and the negotiation and drafting of a framework investment contract.

Advising on the drafting and negotiation of PPAs or power purchase agreements, both physical PPAs and financial PPAs.

Advising on the negotiation of contracts for the development of greenfield renewable energy generation projects.

Acquisition of a 15 MW cogeneration slurry treatment plant.

Advice on the drafting and negotiation of installation contracts, purchase and sale and lease of self-consumption facilities with and without surpluses for various energy traders.

Exploitation and maintenance contracts for industrial and power generation projects.

Engineering, supply and commission contracts for industrial and power generation projects.

Drafting and negotiation of agency contracts to promote the contracting of gas/electricity supply.

Advising on the acquisition, development and financing of a concentrated solar power (CSP) project in Murcia by a pool of Swiss entities.

Acquisition of two companies related to the production of electricity from renewable sources, cogeneration and biomass.

Acquisition of a company related to the marketing of electricity in Spain and Portugal owned by the leading French company in the electricity sector.

Acquisition of an 800MW combined cycle power plant owned by a leading company in Spain in the gas and electricity sectors.

Advice on due diligence for the acquisition of a biomass plant and associated contracts in Chile.

Advising on the purchase process of a 7 MW cogeneration in Galicia with the corresponding processing of the change of administrative ownership.

Advice on the sale of a portfolio of supply contracts.

Advice on various insourcing processes of O&M services (30/50 employees).

Advice on the early termination and renegotiation of long-term gas supply contracts.

Renegotiation of O&M contract conditions for a Combined Cycle Power Plant.

Advice on claims arising from EPC contract and execution of guarantees.

Drafting of the CSA contract for the maintenance of the Combined Cycle Power Train.

Advising on the possible ways of claiming for recovery of taxes in the electricity sector.

Advice to an electric energy production company in a case of cancellation of Administrative Authorization.

Advice on the renewal and modification of Integrated Environmental Authorization.

Advice to a Spanish company with subsidiaries in Germany on the restructuring of the group and the creation of a joint venture with a multinational company in the industrial and energy sector.

Advising on the sale of a photovoltaic park made up of multiple plants that share common infrastructures.

Advising on the acquisition agreement and Development Agreement for photovoltaic plants in the province of Toledo.