Aftermarket Converting today into a greener tomorrow
Our company
For more than 30 years, ConverterTec OEM has supported the global wind energy industry with advanced power electronics and electrical systems designed for reliable, long-term operation. Built on the engineering heritage of SEG and Woodward, our company combines proven expertise with a forward-looking approach to renewable energy technology.
Operating from our headquarters in Brzegi near Kraków, we serve customers worldwide across both onshore and offshore wind markets. As a Tier 1 and Tier 2 supplier, we design and manufacture control panels, converter systems, switchgear, and customised power electronics solutions that meet the evolving technical and regulatory requirements of wind turbine manufacturers and operators.
Our strength lies in the seamless integration of engineering and production. From highly specialised one-off designs to high-volume series manufacturing, we deliver scalable solutions with consistent quality, precision, and dependable delivery performance. This flexibility enables us to support complex projects while maintaining the highest industrial standards.
Behind every solution is a multidisciplinary team working across engineering, manufacturing, and service. Their close collaboration ensures that each system is engineered for real operating conditions, supporting turbine availability, safety, and long-term value throughout the asset lifecycle.
ConverterTec OEM is more than a manufacturing partner. We work alongside our customers to strengthen the wind energy value chain contributing to a cleaner, more resilient, and sustainable energy future.
Powering the lifecycle of renewable energy.
Globally. Reliably. Sustainably.
Our Mission is to support the energy transition by developing advanced technological solutions for efficient and sustainable renewable energy generation. By offering the highest quality, sustainable products and services tailored to the unique requirements of our customers, we support their success and growth.
Our Vision is to become a leading independent power electronics system supplier for the renewable energy sector. We convert today into a greener tomorrow.
Our Values
Quality
Delivering excellence consistently. Quality is built into everything we do. Through strict standards, certified processes, and continuous improvement, we deliver reliable systems our customers can trust in every project.
Safety
Prioritizing people and operations. Safety always comes first. We protect our people, customers, and communities by embedding rigorous safety practices in our design, production, and operations ensuring zero compromise on wellbeing.
Customer satisfaction
Commitment to exceeding expectations. We go beyond delivering products, we build trust. By listening closely, meeting deadlines, and providing responsive support, we ensure every customer feels confident choosing ConverterTec. Their success is our success.
Sustainability
Driving environmental responsibility through action. Sustainability is at the heart of our work. From responsible sourcing to efficient production, we design solutions that reduce environmental impact and enable clean energy for the future.
Partnership
Working collaboratively for mutual success. We believe great results come from collaboration. Working openly with OEMs, utilities, and technology partners, we create strong relationships that drive shared success and long-term growth.
Innovation
Pioneering change to stay ahead. Innovation keeps us moving forward. By combining creativity with engineering expertise, we develop smarter, more flexible solutions that strengthen renewable energy projects today and prepare for tomorrow.
Ethics
Doing business with integrity. Ethics includes transparent business practices, anti-corruption measures, responsible sourcing, labor rights, and compliance with laws and standards. Ethical behavior builds credibility and trust in both global markets and local communities.
Key numbers we are proud of
years of experience
converters installed globally
installed power
customers worldwide
countries with installations
Over 30 years of converter excellence
Since 1997, we have been dedicated to advancing frequency converter technology for wind energy. From our origins as SEG to today’s ConverterTec, our journey is marked by strong partnerships, strategic growth, and continuous innovation to ensure reliable performance and long-term value for our customers worldwide.
Our wide range of products
Quality engineered into every detail
Our quality approach spans the entire value chain – from design and procurement to production and service. Certified systems, structured processes, and experienced teams ensure consistent performance, compliance, and reliability across all wind energy projects.
Responsible by design
Sustainability at ConverterTec OEM combines environmental responsibility, safe operations, and social engagement. Through certified systems, measurable targets, and continuous improvement, we ensure our solutions support clean energy generation while protecting people and the planet.
Our locations
Global presence, local responsiveness
ConverterTec Aftermarket & Service
Bulgaria
info@convertertec.com
+359 88 406 5917
234 Botevgradsko Shose
Office 15
1839 Sofia, Bulgaria
ConverterTec Aftermarket & Service
Germany
kemp.service@convertertec.com
+49 2152 145 398
Krefelder Weg 47
47906 Kempen, Germany
ConverterTec OEM
Poland
krakow@convertertec.com
+48 12 342 31 00
Ul. Trakt Ojca Św. Franciszka 1
32-002 Brzegi, Poland
We engineer for regulatory alignment, delivering fully certified products that meet global offshore wind standards. From the North Sea and Atlantic to Asia-Pacific markets, requirements are met from initial design through to deployment.
Power tomorrow with us!
At ConverterTec, we’re driving the shift toward smarter, cleaner, and more sustainable energy solutions. After years of successful growth, we’re now focused on shaping the future of renewable energy. That’s why we’re looking for passionate people who want to make a real difference, innovators, problem-solvers, and visionaries ready to power a greener tomorrow.
Explore our open positions and help us build a future where energy is smarter, cleaner, and sustainable for all. Join our team today!
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