The aim of the project is to to develop a Software Decision Tool that will enable the Multi-Criteria Decision Analysis of RES investments and apply it in three case-studies. Secondary objectives are: to promote RES in isolated regions under distributed generation and deregulated energy markets, to map social preference of stakeholders in an energy-environment-economy framework, to eliminate uncertainties and risk of new technologies, to assist with environmental protection and emission reductions, to encourage creation of new skilled jobs, to invigorate the EU's RES manufacturing industry, to reduce oil imports, to demonstrate innovative methodological solutions and their integration in realistic operating conditions, to enhance the security and diversity of energy systems in isolated areas, to enable local authorities, non-governmental organizations, central government, etc. participating in Group Decision Analysis for RES investments, to promote internet-based exchange of technical and other expertise in RES applications.