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Empowering Cleaner Energy Decisions

Software & Data Training Course Case Studies
The RETScreen International Clean Energy Project Analysis Software is a unique decision support tool developed with the contribution of numerous experts from government, industry, and academia. The software, provided free-of-charge, can be used world-wide to evaluate the energy production, life-cycle costs and greenhouse gas emission reductions for various types of energy efficient and renewable energy technologies (RETs). The software also includes product, cost and weather databases; and a detailed user manual.

Software and Data Requirements: Microsoft® Excel 2003 or higher; Microsoft® Windows 2000 or higher; and Microsoft .NET Framework 2.0 or higher. Please make sure that the latest updates from Microsoft ( for Windows and Excel are installed on your computer.

Online User Manual and Engineering Textbook Requirements: Adobe Acrobat Reader 5.0.5 or higher. To access the Portable Document Format (PDF) version you must have a PDF reader installed. If you do not already have such a reader, there are numerous PDF readers available for free download or for purchase on the Internet:
RETScreen Suite   File Download 105.7 MB         File Download 12.7 MB
RETScreen Suite-HotFix   File Download 105.6 MB            
Version 3            
  Introduction         ---     File Download 2.6 MB
  Wind Energy           File Download 0.9 MB   File Download 0.6 MB
  Small Hydro           File Download 1.1 MB   File Download 1.3 MB
  Photovoltaics           File Download 0.8 MB   File Download 0.7 MB
  Combined Heat & Power           File Download 4.5 MB ---  
  Biomass Heating           File Download 1.0 MB   File Download 1.1 MB
  Solar Air Heating           File Download 0.9 MB   File Download 1.2 MB
  Solar Water Heating           File Download 0.8 MB   File Download 1.6 MB
  Passive Solar Heating           File Download 0.8 MB   File Download 1.1 MB
  Ground-Source Heat Pumps           File Download 0.7 MB   File Download 2.3 MB
  Arenas & Supermarkets - Excel 2007 only Ver. 3.2   File Download 11.0 MB            
  Arenas & Supermarkets - Excel 2003 and previous Ver. 3.2   File Download 10.0 MB            
File available in English only  File available in English only