SIG provides engineering services specialising in grid integration, electrical systems, power converters and energy generation, supporting projects with high-tech simulations for the wind and solar industry.

SIG is formed by a highly specialised professional team, with PhDs in electrical engineering with extensive experience and knowledge in the renewable sector. This allows us to find innovative, efficient and sustainable solutions to improve the competitiveness of our clients. The research expertise of the SIG team is accredited by long-standing partnerships with academic institutions and corporations. SIG also offers additional training to the projects developed by sharing knowledge and technologically empowering its clients.

Products | Services

  • Modelling of energy systems.
  • Models and simulation libraries with PSCAD and DIgSILENT.
  • Solutions for subsynchronous resonance (SSR) problems in wind farms.
  • Control techniques for complete synchronous machine converters.
  • Training in the wind industry.
  • Control techniques for high power wind turbines.
  • Analysis of safety problems in electrical systems.


+75 members covering the entire renewable value chain