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Individual special solutions For power generation plants, emergency power generators and plant construction

Our strength are customized solutions for single systems or series products in the field of decentralized energy supply. This means that electricity is always available where our customers need it: whether it be industrial plants in Siberia, research facilities at the Arctic Circle, oil fields in the desert or offshore; data centers, hospitals or facilities for mobile use.

Each of our products is a customized solution. We coordinate worldwide projects from our company location in Schweringen in the district Nienburg/Weser in Lower Saxony.

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Reliable services in construction of plants and emergency diesel generator sets

Over five decades of experience in plant engineering and construction mean reliability and quality at the highest level. To ensure that our power generation systems and aggregates work reliably at all times, we at Frerk only use components from well-known manufacturers.

In addition, every system, every emergency generator and every tailor-made solution is subjected to a comprehensive test run at Frerk in our in-house test field with a final, careful quality control.


The focus of our work is on individual special solutions for decentralized power supply. With our unique solutions, the power is available exactly where you need it.


For us, reliability is one of the most important features in manufacturing of emergency diesel generator sets. With decades of experience, internal quality control, test field tests and components of well-known manufacturers, we can guarantee reliability.


It is our claim to make all our products, services and workflows efficient. Here you will find only energy-efficient systems and future-oriented solutions.

We convince by efficiency in manufacturing of emergency diesel generator sets

Efficient products, system planning and operation: We develop energy-efficient power generation systems and future-oriented hybrid solutions according to your needs. The components are selected in such a way that our systems are optimally arranged in a limited space. 

We also offer consulting, production and testing as well as assembly, commissioning, maintenance, remote monitoring and 24-hour emergency service from a single source – completely efficient. For questions about the manufacturing of emergency diesel generator sets or for questions about a non-binding offer, please contact us by contact form or via phone.

Factory test in the in-house test field for gas or diesel-powered systems Benefit from our unique test field capacity.
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