8 Good Reasons
for FREQCON Systems
Why Should You Choose FREQCON Systems?
As a leading manufacturer of frequency converters and battery storage solutions for renewable energy systems, we offer not only first-class technologies but also a multitude of reasons to choose our systems.
Discover why FREQCON is the optimal choice for sustainable and efficient energy supply.
FREQCON Relies on Experience
With over 35 years of proud experience, we are pioneers in wind power automation and converter technology. Since 1988, FREQCON has actively contributed to shaping the wind energy industry. As early as 2009, more than 10,000 FREQCON ultracapacitor pitch backup systems were in operation worldwide. Our long-standing tradition combines genuine craftsmanship with cutting-edge technologies. This unique approach has enabled us to establish ourselves as one of Germany’s leading manufacturers of frequency converters and battery storage systems for renewable energy solutions.
FREQCON Focuses on Individuality
Our intelligent system solutions are as flexible and tailored as the needs of our customers. With our converter and energy storage solutions, renewable energy can be integrated reliably, easily, and sustainably into existing grids around the world, as we tailor our products to the specific conditions on site.
Our in-house experts program the software and configure the systems to ensure they fully comply with all requirements, grid regulations, and other applicable standards.
FREQCON Focuses on Quality
Our mission is to address the challenges of the energy transition through high-quality products and first-class service. At FREQCON, we continuously invest in the training and development of our team to ensure they are always up to date with the latest technologies.
Our commitment is also reflected in our certified quality management system, which ensures that all aspects of our production meet the highest standards.
We work exclusively with trusted partners and suppliers who guarantee the highest standards in materials and manufacturing processes. At FREQCON, we take pride in offering not just products, but real solutions—solutions built on quality, expertise, and responsible partnerships.
FREQCON Focuses on Flexibility
Connecting all DC sources to a common DC bus enables efficient and coordinated energy management. With a voltage range from 0 to 1500 V DC, our systems provide a flexible solution for a wide variety of applications. They can handle high currents of over 10,000 A DC, ensuring reliable operation of high-power installations.
The integration of a project-specific energy management system highlights the flexibility of FREQCON systems to meet the unique requirements of each project. This allows precise control and optimization of energy flow.
If needed, different battery types can be connected to our systems simultaneously. This versatility opens the door to hybrid energy storage solutions and enables optimal use of various battery technologies according to the specific demands of each project.
FREQCON Focuses on Reliability
Tested thoroughly! We have a reliable testing infrastructure. With our 3 MW full-load test bench, we evaluate both new developments and standard products under real-world conditions. Flexibly and reliably, we carry out certification measurements, including grid quality assessments, acceptance tests, and fault simulations.
We also offer customer project measurements for unit certification (wind turbines) to ensure compliance with regulations. Using EMT simulations, we identify project challenges early and align system behavior clearly with our customers.
FREQCON Focuses on Innovation
At FREQCON, we see ourselves as pioneers in the rapidly evolving world of renewable energy. We take pride in developing innovative solutions, including through participation in research projects. Our efforts have been recognized multiple times with prestigious awards.
At FREQCON, innovation is not just a goal—it is an integral part of our DNA. We are convinced that continuous research and development can shape the future with renewable energy. FREQCON remains committed to delivering innovative solutions that not only meet current needs but also lay the foundation for a sustainable energy future.
FREQCON Focuses on Sustainability
Sustainability at FREQCON is not just a promise—it is an integral part of our corporate philosophy. We are committed not only to developing systems for sustainable power generation from renewable energy but also to acting sustainably within our company. Our certified environmental management system is proof of our commitment to implementing eco-friendly practices across all areas of the business. We focus on resource-efficient production processes and continuous improvements to minimize our ecological footprint. We aim to contribute to emission reduction not only through our products but also through our operational processes, which is why we consistently use electric drives in our company vehicles. Our goal is to shape a sustainable future—not only through our innovative products but also through responsible corporate practices.
FREQCON Values Local Partnerships
Proudly rooted in Lower Saxony, FREQCON focuses on regional engagement not only to strengthen the local economy but also to enhance the quality of life in our community. Our production site in Rethem plays a central role, and we are committed to maintaining and expanding it to secure both the region and local jobs.
We actively support regional social projects to make a positive contribution to the community. Our commitment goes beyond financial support: we offer internships and apprenticeships to give young people the opportunity to gain valuable professional experience locally. In addition, we open our doors on Future Day, providing students with insights into the diverse career opportunities at FREQCON.
FREQCON is dedicated to being a responsible partner in the region, producing high-quality products while actively contributing to the growth and well-being of our community.
