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Energy law

The energy sector is characterized by complex challenges spanning law, environmental issues, economics, and innovation. We support our clients (producers, distributors, investors, local authorities, companies, banks, and financial institutions) through every stage of their energy projects, ensuring legal certainty and regulatory compliance.

 

Areas of Expertise

Our expertise covers a wide range of energy-related areas, providing tailored solutions to address the legal and strategic challenges of this ever-evolving sector.

Renewable Energy Production Projects

We assist in the implementation of solar, wind, hydroelectric, biomass, methanization, hydrogen, and geothermal projects, from initial development through completion and operation.

Environmental Regulation and Compliance

We advise on compliance with environmental and energy standards, including handling administrative permits, conducting impact assessments, and meeting obligations related to the energy transition.

Supply and Distribution Contracts

We draft, negotiate, and secure supply, transport, and distribution contracts for electricity, gas, hydrogen, and other energy sources.

Energy Project Acquisitions and Financing

We assist in the acquisition, sale, or financing of energy projects and infrastructure, ensuring an optimal legal and tax structure.

Energy Markets and Regulation

We provide strategic advice on legal frameworks governing energy markets, including cross-border transactions, capacity mechanisms, and emissions-trading systems.

Energy Transition and Renewable Energy Development

We counsel companies on the energy transition, particularly regarding investments in renewable energy. We also assist clients with projects aimed at reducing their carbon footprint.

Energy Infrastructure Management

We provide support for the construction, operation, and maintenance of strategic infrastructure such as electrical grids, pipelines, and storage facilities.

Innovation and New Technologies

We offer legal advice on emerging technologies, including batteries, smart grids, and green hydrogen.

Energy Security and Risk Management

We guide clients in managing risks related to energy security, specifically in infrastructure resilience and crisis management, while ensuring compliance with relevant safety requirements.

Examples of support

We assisted a major energy-sector player in drafting an exit memorandum for an energy supply contract (Offtake Agreement) and in reviewing and analyzing the bankability of several long-term energy supply contracts (Corporate Power Purchase Agreements – CPPAs). We also helped structure a new business unit focused on PPAs.

 

We advised several banks on financing the modernization of an incineration facility. Commissioned over 20 years ago, this energy recovery plant processes waste from more than 100 municipalities, serving approximately 350,000 residents. Through waste combustion, the facility produces around 41 GWh of electricity per year.

We assisted a renewable energy company in the development of its projects in France, handling all regulatory aspects (including urban planning law, environmental law, and energy law) to ensure the seamless progression of their projects.

We advised multiple banks on financing the construction of a portfolio of eight photovoltaic plants with a total capacity of 67 MW, developed by a solar energy specialist. This portfolio includes two facilities whose electricity is sold under Corporate Power Purchase Agreements (CPPAs) with an international retail company. Thanks to its agri-PV expertise, the developer designed these two plants so that agricultural activities could continue beneath the panels, allowing farmers to diversify without compromising land quality or productivity.

Given the growing importance of the constraints linked to the energy performance of buildings, leading industry players have been prompted to reassess their strategies. In this context, we advised a major construction and energy conglomerate on structuring its program to establish a comprehensive energy strategy for the entire group while forming an internal dedicated team. Our involvement covered the legal, financial, and tax structuring of this program.

 

Discover our Observatory of energy transitions 2024 – Decarbonization of companies: the self-consumption boom

 

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Deals

Wysenergy
Deals 17 July 2025
De Gaulle Fleurance advises Wysenergy on the financing of a wind farm in the Marne department in France
Deals 13 June 2025
De Gaulle Fleurance advises Solveo Energies on legal and tax matters on €98 million fundraising
Suez
Deals 6 June 2025
De Gaulle Fleurance advises SUEZ on the acquisition of BIOMETA
Andera-degaullefleurance
Deals 27 November 2024
De Gaulle Fleurance advises Andera Partners on InfraVia’s acquisition in Kyotherm’s capital

Awards

Best Lawyer-Muriel Guillin-Modaine.jpg
Awards
Best Lawyers
Muriel Guillin-Modaine recognized in the 2026 edition of Best Lawyers France
The Legal 500-JONATHAN SOUFFIR.jpg
Awards Énergie
Legal 500
Jonathan Souffir ranked in Legal 500 – 2025
The Legal 500-Sylvie Perrin.jpg
Awards Énergie
Legal 500
Sylvie Perrin ranked in Legal 500 – 2025
Awards Énergie
Legal 500
De Gaulle Fleurance Industry focus: Energy- Legal 500 Paris 2025
Chambers France 2025
Awards
Chambers
De Gaulle Fleurance ranked in the newly renamed Chambers France 2025
Chambers France 2025-Sylvie Perrin
Awards Énergie
Chambers
Sylvie Perrin ranking for Projects & Energy: Domestic Finance in the Chambers France 2025

De Gaulle Fleurance has a cross-disciplinary team capable of offering a wide range of expertise and covering numerous sustainable and renewable energy sectors. The firm supports a wide range of customers in their projects in France, Europe, Africa and the Middle East.

Legal500 2024Energy

Our professionals

Muriel
Guillin-Modaine
Partner
Eléna
Divry
Lawyer
Magalie
Dejoux
Lawyer - Senior Manager
Béatrice
Boisnier
Lawyer

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    News

    Firm Life 11 June 2025
    De Gaulle Fleurance reaffirms its position in the energy transition and real estate practices with the appointment of Ghrislaine Oucharif and David Faravelon as Senior Counsels
    Publications 3 June 2025
    Electricity storage: the challenges of tomorrow
    energie-renouvelable
    Events webinar
    03/06/202513h00
    Observatory of energy transitions 2025 – Electricity storage: the challenges of tomorrow
    Publications 27 March 2025
    Annual Report 2024 – De Gaulle Fleurance