Converting today into a greener tomorrow
Our company
With a proud heritage rooted in SEG and Woodward, ConverterTec is a trusted partner in the global renewable energy market. For almost three decades, we have been committed to enhancing wind turbine performance, extending the lifecycle of assets, and offering innovative power electronics solutions that drive a sustainable energy future.
At ConverterTec Aftermarket & Service we are specialists in frequency converter maintenance and lifecycle support in the wind energy sector. Through fast global spare parts delivery, lifecycle optimization solutions and platform-independent service, we help wind turbines operators maximize performance, reduce downtime, and prolong the lifespans of onshore and offshore assets.
Powering the lifecycle of renewable energy globally, reliably, sustainably.
Our Mission is to accelerate the global energy transition by delivering precision-engineered, sustainable aftermarket solutions for frequency converters.
Our Vision is to be the most trusted, platform-independent partner for converter service, enabling safe, efficient, and long-lasting renewable energy production worldwide.
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.
Engineering excellence
and comprehensive solutions
As a leading platform-independent partner, we offer a full range of products and services dedicated to frequency converters for wind turbines.With over 24,500 installations and more than 25 years of combined experience in production, maintenance, and service, we bring unparalleled expertise to maximize the operational safety and efficiency of your wind turbines throughout their entire lifecycle.
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.


Responsibility for a sustainable future
We take our responsibility for quality, safety, and sustainability seriously. Certified to ISO 9001, we uphold the highest standards while working toward a cleaner, more efficient future.
Through innovative technologies, climate initiatives, and local support, we aim to make a real difference, step by step, together.
Our locations
Global presence, local responsiveness
With a global network and a new repair center in Bulgaria, ConverterTec ensures fast support and local expertise. Our teams drive innovation, deliver critical parts, and keep converters performing at their best worldwide.

Join us into converting today into a greener tomorrow.
Whether you’re just starting out, changing paths, or bringing years of experience, we offer diverse opportunities to grow, from service and engineering to quality, sales, and business administration. Discover your next step with us today!
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