RETScreen 4 is an Excel-based clean energy project analysis software tool that helps decision makers quickly and inexpensively determine the technical and financial viability of potential renewable energy, energy efficiency and cogeneration projects.
RETScreen 4 ni zana ya programu ya uchambuzi wa mradi wa nishati safi inayotumia Excel ambayo huwasaidia watoa uamuzi kuamua kwa haraka na bila gharama uwezo wa kiufundi na wa kifedha wa nishati inayowezekana inayoweza kutengenezwa upya, ubora wa nishati na miradi ya Kojeneresheni umeme.