Sustainability at SUNOTEC
At SUNOTEC, sustainability is at the core of everything we do.
As an international system integrator of large-scale renewable energy infrastructure, we believe that the way we build energy systems should also shape the way we create long-term value. The same holistic approach that defines our business guides how we embrace our responsibility to accelerate the clean energy transition while ensuring our growth benefits people, communities and the environment.
Renewable energy is at the forefront of the global response to climate change, and SUNOTEC is proud to play a leading role in driving this transition. Every milestone we achieve reflects our commitment to maximising positive impact while minimising the use of resources.
Our people are central to our success, while our impact extends far beyond our own operations. We are committed to creating positive change across the communities and value chains connected to our business - supporting our employees, working responsibly with suppliers and customers, and contributing to the communities where we operate.
"With the scale of our work comes a responsibility to look carefully at how we deliver it. As one of Europe’s leading renewable energy system integrators, we recognise that our performance is measured not only by the capacity we deliver, but also by the way we manage the environmental and social impacts associated with our activities.
For us, sustainability is not a separate ambition, but part of the decisions we make across our projects and our business - from supply chain diligence and responsible site management to how we support our people, measure our environmental impact and strengthen our governance. In 2025, we continued to build on this approach, using recognised international standards to bring greater consistency and transparency to how we measure and report our performance.
This report provides an honest account of the progress we have made, the areas where we continue to face challenges and the priorities that will guide our work ahead. It represents both a reflection of where we stand today and a foundation for the next stage of our sustainability journey. We invite you to explore our latest 2025 Sustainability Report"
Kaloyan Velichkov & Bernhard Suchland
CEO’s SUNOTEC
2025 Sustainability Highlights
Our sustainability journey is reflected in the measurable progress we made in 2025..
0 ktCO2e
avoided emissions through newly installed solar capacity“Building of the Year”
Award for our New Multifunctional Business Centre in Sofia
0
local jobs created0%
decrease in energy intensity0 million EUR
donated to charity and support for initiatives0
employees0
countries0 %
increase in female representation compared to 20240+ GWp
all-time installed solar capacityDRIVING CHANGE
By delivering solar and energy storage projects, we help accelerate Europe’s grid decarbonization and emission avoidance.
SUNOTEC’s Sustainability Strategy
CLIMATE
• Enable a rapid, large-scale decarbonisation of energy production everywhere
• Run carbon-efficient operations through ongoing decarbonisation of manufacturing, construction, engineering, procurement and maintenance
• Be an efficient and reliable partner who enables customers to scale renewable energy production fast
LAND AND RESOURCES
• Apply circularity principles to all the resources we use during procurement, plant construction, manufacturing and in our offices
• Protect plant and animal biodiversity during the planning phase of projects, as well as during their construction and operation
• Use the land on which we build in a way that avoids any type of conflict, either with the needs of the environment, agriculture, or the local population
PEOPLE
• Empower employees to do their best work and provide exceptional working conditions
• Use our procurement power to improve the lives and working conditions of workers in our supply chain
• Be a steward of the communities near our power plant or office locations through community investment and volunteering
Third Party Recognition
SUNOTEC is proud to have been awarded a Bronze Medal by EcoVadis, placing us among the top 35% of companies assessed worldwide. This recognition acknowledges the progress and quality of our sustainability management system and reinforces our commitment to transparency, responsible business practices and continuous improvement across our value chain.
Other recognitions we have received over the years include:
SynESGy3 – SUNOTEC received an award for a company with a high ESG rating in 2023
SynESGy – SUNOTEC received a B-rating (good level of sustainability management) in 2023
SynESGy – SUNOTEC received a B-rating (good level of sustainability management) in 2024
ICAP CRIFF and Leader.bg - SUNOTEC was given a True Leaders award for a company with a high ESG rating in 2023
We also strive to manage our impacts in a structured and consistent way to achieve the goals we have set for various sustainability aspects. The most operationally active companies (i.e. all the entities involved in the engineering, procurement, construction and operation, as well as many administrative ones) within the SUNOTEC holding structure hold certificates in the following topics.
ISO 14001 – Environmental Management
ISO 27001 – Information Security Management
ISO 27701 – Privacy Information Management
ISO 37001 – Anti-Bribery Management
ISO 39001 – Road Traffic Safety Management
ISO 45001 – Occupational Health and Safety
ISO 50001 – Energy Management
EMAS – EU Eco-Management and Audit
