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We are pleased to announce the official release of our new Sustainability Report! Staying the Course, Deepening Our Roots !

As the global context grows more complex and regulatory requirements — notably the CSRD — have seen their timelines eased or pushed back, we have taken a strong stance: maintaining our commitments without compromise.

“A tree does not grow only towards the sky. As it rises, its roots also spread and deepen, invisibly.”

Through this publication and the shared insights of our contributors, the report does more than measure our performance: it reminds us of the deeper meaning of our mission. Producing decarbonised energy is not enough for us; we choose to strengthen our foundations for the long term so that we can continue to act with impact, conviction and responsibility.

This edition resonates particularly strongly with the recent redefinition of our 5 core values: Pioneering Spirit, Commitment to Impact, Collaborative Unity, Human Ecology and Evolving Agility. These values guide our strategic decisions and shape our business model every day.

In this edition:

Our vision & strategic trade-offs, explained by our Governance, including why we are consolidating our transformation roadmap despite market uncertainties.

A transparent review of our environmental, social and governance (ESG) actions.

Our priority goals to consolidate our strategic pillars, build sustainable and responsible growth, and translate our values into long-term actionable solutions.

Discover the Sustainability Report now:
https://sustainability2025.amarencogroup.com

A day of strategic discussions with ENEDIS at our Saucats storage facility!

We were pleased to welcome the managers and members of the Executive Committee of Enedis Aquitaine Nord to Saucats, home to Claudia, one of Europe’s largest storage units, developed by Amarenco. It was a busy, productive day—and, above all, one that was closely aligned with current challenges.

Their feedback speaks for itself:

• “Unanimously very positive” discussions

• A better understanding of the role of storage in the power system

• Transparent discussions on market realities, both in France and across Europe

Storage is a strategic lever for grid operators: it contributes to grid regulation, congestion relief, and, ultimately, the optimization of their day-to-day operations.

For ENEDIS, the challenge was to better understand the potential of services provided to the power system in relation to connection requests.

For AMARENCO, the challenge was to share our expertise, concretely demonstrating our mastery of these technologies.

A mission 100% accomplished!

Thank you to the Enedis teams for their commitment and the quality of our discussions, And thank you to our teams for their unwavering dedication

We are repowering Claudia, our battery energy storage facility located in Saucats (France).

Originally designed as a 1 hour BESS, Claudia is now being upgraded to 2 hours of storage, doubling its energy capacity and significantly increasing its value for the power system!

Why does it matter? Because as renewables grow, flexibility becomes just as critical as production. Longer-duration storage means better frequency control, improved balancing, and readiness for advanced grid services like grid-forming.

In practical terms, the site evolves from 105 MW / 100 MWh to 94 MW / 188 MWh, extending the asset’s lifetime while reusing existing infrastructure: a strong example of how repowering can combine performance and sustainability.

This project is also built on solid foundations: a hybrid battery architecture (NMC & LFP) to maximize safety and resilience, and a long-term public-private partnership with Caisse des Dépôts joining the project alongside Amarenco. The debt is carried by Société Générale and Rabobank.

Claudia also benefits from a long-term operating framework that provides Amarenco with strong visibility on future revenues, through a tolling agreement provided by ENGIE. This structure strengthens the asset’s financial robustness and confirms the economic relevance of large-scale storage infrastructure.

First battery deliveries are expected in spring 2026, with commercial operation planned for early 2027.

Claudia represents more than ever a key step in building Amarenco’s European storage platform to support the next phase of the energy transition.

Amarenco announces a new strategic financing with Eiffel Investment Group

We’re pleased to announce the successful closing of a €300 million junior financing platform arranged by Eiffel Investment Group, who provided an initial €150 million commitment, marking the eighth transaction between the two parties since the commencement of our partnership in 2018.

This latest facility refinances Amarenco’s existing junior debt facilities, enabling the Company to optimize its capital structure and support the continued growth and operation of its renewable energy portfolio. The transaction represents a significant milestone in Amarenco’s strategic development, reinforcing its commitment to the energy transition while maintaining financial discipline and operational excellence.