Solar Resource Assessment

Analysis of location-specific irradiance data

We analyze various irradiance sources at your specific location beginning at a very early stage in the planning process.


Your benefits

  • Precise long-term series of irradiance data around the world
  • Years of experience in the evaluation of weather data
  • Immense data base to validate data (operating data for up to 45,000 systems)
  • Foundation for further calculations (e.g., yield reports)


  • Procurement of irradiance data from various sources (long-term monthly averages)
  • Comparison and evaluation of various sources
  • Selection of a source or calculation of a weighted average
  • Determination of irradiance in the module plane
  • Summary report