rensys supports project developers and power plant operators as a technical partner – from initial planning and approval through to secure grid connection. With transformer stations, transformers and switchgear, we offer a complete service package that ensures safety.


We handle grid connection planning for storage and hybrid power plants – fully compliant with regulations, site-specific, and thoroughly documented.
Transformers, switchgear, and transformer stations – tailored to power rating and feed-in point, tested and certified.
We upgrade existing feed-in infrastructure – ensuring standard-compliant, stable, and future-proof reintegration.
The connection is tailored to the output, grid load and all regulatory requirements, and implemented transparently, on schedule and in compliance with regulations.
We manage projects on a technically sound basis, ensuring reliability and adherence to schedules, while component selection and integration are carried out independently of manufacturers and thoroughly tested.
We rely on tested, durable components to guarantee high system availability as well as long-term stability and safety.






1000+ successfully implemented energy projects since 1993


The world is on the move — we see global networking and technological dynamism as an opportunity for strong, future-oriented solutions.
Answers to key questions on grid connection, implementation and technology – especially for project developers.
