Welcome to Srensol

Srensol is a company founded by Raoul Sonna holding a honour Master degree in electrical engineering and information technology from Rosenheim Technical University. The high-level experience in high-tech renewable energy is the most valuable resource in offshore and onshore wind energy generation process. Well educated electrical engineers are key to successful and reliable wind park development in the North Sea. Having acquired a lot of knowledge in many offshore projects in the North Sea as electrical engineer in multiple power transmission systems, I have decided to start-up a company by integrating my management skill with my practical field experience, to provide valuable, trustable, and reliable consulting services in offshore wind and solar PV energy technology.

Srensol owner has provided consulting services form more than 10 years to many leading companies in Europe as technical expert in leading green energy project:

Siemens Energy:

  • Offshore Wind Energy transmission (HVDC) system as external consultant for BorWin2, HelWin1&2, SilWin1.
  • Onshore HVDC interconnection between France and Spain (INELFE)

EON Renewables:

  • Offshore Wind park origination and development (DNO, Borssele)

Seaway Heavy Lifting:

  • Offshore Wind turbine foundation design of the TP Electrical module (Borkum II)

Fluence Energy:

  • Construction of a Battery Energy storage system with a 20kV grid connect station.

NKT Power cable:

  • Renewables Offshore HVDC cable design (SüdLink Corridor)


Area of expertise:

  • Offshore renewable energy
  • Battery energy storage system
  • Off/On-grid solar energy system