Reliably connecting energy systems to the grid

rensys supports project developers and operators of power plants as a technical partner – from initial planning and authorisation to secure grid connection. With transformer stations, transformers and switchgear, we offer a complete service package that provides security.

Generating electricity is one thing - cleverly integrating it into the grid is another.

Years of experience in the energy industry, with project management for more than 8 GW of installed capacity
27
international offices with the ability to manage projects in 16 languages - always in line with local network requirements and operator specifications
6
Cost savings per megawatt of substation connection capacity in the last 18 months, with simultaneous expansion of total output
13%
Shorter project lead times thanks to integrated EPC management, which speeds up delivery and increases customer benefits
23%

News on current international projects

Conversion of the 110 kV outdoor facility in Heusenstamm

9 months
Project duration
15 years
experience
Read case study

Our solutions for system operators and developers

System connection to high and medium voltage

We take care of grid connection planning for storage and hybrid power plants – compliant with regulations, appropriate for the location and fully documented.

Component technology for feed-in

Transformers, switchgear and transformer stations – customised to the power rating and feed-in point, tested and certified.

Retrofit for existing systems

We modernise existing feed-in infrastructure – for standard-compliant, stable and future-proof feed-in.

Producers and project developers

Benefit from our 360° expertise

Grid connection and planning

The connection is tailored to the output, grid load and all regulatory requirements and implemented transparently, on time and in compliance with the regulations.

Project management and integration

We manage projects on a technically sound basis, on schedule and with process reliability, while the selection and integration of components is carried out independently of manufacturers and tested.

Operation and Safety

We rely on tested, durable components and thus guarantee high system availability as well as long-term stability and safety.

Ready for your new energy project?

  • Reliable network solutions from over 27 years of experience
  • Everything from a single source: planning, procurement and implementation
  • Customised network solutions - flexible and independent.

1000+ successfully implemented energy projects since 1993

A network that moves energy

The world is on the move – we see global networking and technological dynamism as an opportunity for strong, future-orientated solutions.

These customers trust us

Frequently asked questions about the grid connection of energy producers

Answers to key questions about grid connection, implementation and technology – especially for project developers.

Your networks are our responsibility.

Ready to rethink energy together?