RETScreen International is managed under the leadership and ongoing financial support of Natural Resources Canada’s (NRCan) CANMET Energy Technology Centre - Varennes (CETC-Varennes). RETScreen is developed in collaboration with a number of other government and multilateral organisations, and with technical support from a large network of experts from industry, government and academia.

• National Aeronautics & Space Administration's (NASA) Langley Research Center

• Renewable Energy & Energy Efficiency Partnership (REEEP)

• United Nations Environment Programme's (UNEP) Energy Unit of the Division of Technology, Industry and Economics (DTIE)

• Global Environment Facility (GEF) co-financed, UNEP lead Solar and Wind Energy Resource Assessment (SWERA) Programme

• World Bank's Prototype Carbon Fund (PCF)

• The Energy + Environment Foundation