FREQCON develops and manufactures modern frequency converters as well as innovative energy storage solutions. As a German manufacturer with an in-house development department and production facilities in Rethem, we combine technological expertise with high-quality standards. Our guiding principle that leads every project: Fast. Reliable. FREQCON.
In our manufacturing facility, a wide range of forward-thinking energy systems is created, from the powerful BESS MAX battery storage system to the versatile MSC hybrid inverter, and robust ultracapacitors like UGS and U-UPS.
Our systems are designed to be modular and scalable, allowing them to be tailored perfectly to the specific requirements of each project. This ensures that our solutions provide reliable performance and a sustainable technological foundation for the future.
For an honest and comprehensive behind-the-scenes look, we also offer our FREQCON Brand Video (see link).
With over 35 years of experience, we value the combination of tradition and progress. At Freqcon, we rely on proven methods and innovative solutions to shape a sustainable energy future. With our inverters and
energy storage solutions, renewable energies can be integrated reliably, easily and long-term into an existing grid - worldwide. The integration of a project-specific energy management system underlines the flexibility of Freqcon systems. We are proud to offer not just products, but real solutions - solutions based on quality, expertise and responsible partnership.
We remain firmly committed to delivering innovative solutions that not only meet current needs, but also lay the foundations for a sustainable energy future. Our goal is to shape this future - not only through our
innovative products, but also through responsible entrepreneurial action. As a strong partner, with our production site in the heart of Lower Saxony, we not only manufacture high-quality products, but also actively contribute to
strengthen and promote our regional community.
Profile ID:
UNT-58193
FREQCON
FREQCON GmbH
Bürgerwiesenweg 5
27336 Rethem
| Phone: | +49 5165 291760-0 |
| E-mail: | |
| WWW: |
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Company overview
Manufacture focus, service offers:
Know-how:
FREQCON was founded in 1988, bringing nearly 40 years of industry experience. We have integrated all departments at our site in Rethem: design, development, software, warehouse, and production. Short distances for fast and reliable manufacturing.
Exhibition participation:
We are regularly present at the following trade fairs:
E-world in Essen, Germany
smarter E in Munich, Germany
E-world in Essen, Germany
smarter E in Munich, Germany
Industry & size
Industry:
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Research and development
- Technical field
-
Skilled trades, industry and production
- Electrical, communications and process control engineering
Size range of the company:
50 to 99
Employees:
95
Jobs & training
Jobs
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We are regularly looking for new employeesLinks to job vacancies:
- Career at FREQCON
https://www.freqcon.com/en/career/
Contact
Business management:
Mr. Dr. Michael Weber, CEO
Last update on Mar 16, 2026.
