London – Sonnedix has been named a Sector Leader in the 2026 GRESB Infrastructure Asset Assessment, recognised as Infrastructure Asset Class Leader and Infrastructure Asset Super Class Leader for its performance in Solar Power Generation and Renewable Power.
The company also achieved a five-star rating / score of 100 out of 100, in this year’s assessment, marking its ninth consecutive year of top performance.
GRESB (Global Real Estate Sustainability Benchmark) assesses and benchmarks the environmental, social and governance (ESG) performance of assets worldwide. Its annual Infrastructure Assessment is widely recognised by investors and asset managers as the leading global ESG benchmark for infrastructure, guiding investment decisions and risk management as the industry transitions to a more sustainable future.
GRESB Sector Leaders are the best performers by sector and region across the GRESB Assessments. Sonnedix has been recognised in the following award groups:
Sonnedix’s Sector Leader status reflects consistently strong performance across the environmental, social and governance dimensions of the assessment, with particular strength in risk management, stakeholder engagement, greenhouse gas emissions, health and safety.
Axel Thiemann, CEO of Sonnedix, said: “Being named a Sector Leader in both solar and renewable power reflects how deeply sustainability is embedded in how we build, own and operate our assets. It is a recognition of our team’s dedication and of our ability to manage risk, seize opportunities and deliver long-term value for our communities, partners and investors.”
Dr Annette Thomas, CEO of GRESB, said: “GRESB is pleased to recognize Sonnedix as a GRESB Sector Leader. Their continued commitment to benchmarking sustainability performance and advancing decarbonization across its multinational portfolio reflects the importance of measuring progress and identifying opportunities for improvement in the real assets industry.”
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About Sonnedix
Sonnedix is a global renewable energy company delivering 100% clean electricity directly to its customers through a diversified portfolio of solar, wind, and storage assets. With nearly two decades of sustained growth, the company continues to drive the energy transition by acquiring, developing, building, and operating long-term projects, offering innovative solutions tailored to each customer’s needs.
Sonnedix currently has a total portfolio capacity of nearly 12GW, including 5GW in operation, more than 1GW under construction, and a development pipeline of over 5GW. The company operates in Chile, France, Italy, Poland, Portugal, Spain, and the United Kingdom, and continues to expand its global footprint across OECD countries through both acquisitions and greenfield development.
For more information, please visit: www.sonnedix.com
Media: sonnedix@fticonsulting.com
About GRESB
GRESB is a mission-driven and industry-led organization providing standardized and validated Environmental, Social and Governance (ESG) data to financial markets. Established in 2009, GRESB has become the leading ESG benchmark for real estate and infrastructure investments across the world, used by 150 institutional and financial investors to inform decision-making.
For more information, please visit: GRESB.com