1. Copernicus Institute of Sustainable DevelopmentUtrecht University Utrecht The Netherlands
2. PBL Netherlands Environmental Assessment AgencyHagueThe Netherlands
3. Wageningen Economic ResearchWageningen University and ResearchHagueThe Netherlands
4. Wageningen Environmental ResearchWageningen University and Research Wageningen The Netherlands
5. National Renewable Energy Centre of Spain (CENER), Ciudad de la InnovaciónSarriguren Spain