Energy conservation Energy utilization Sustainable development 2 Agricultural sector 1 Back-casting analysis 1 Computer spreadsheets 1 Cultivation 1 Economic analysis 1 Economics 1 Economics analysis 1 Electric batteries 1 Energy inputs 1 Energy output 1 Energy policy 1 Energy security 1 Energy transitions 1 Energy-saving technologies 1 Field observations 1 Fossil fuels 1 Gas emissions 1 Greenhouse gases 1 HOMER 1 Hybrid renewable energies 1 Hybrid systems 1 Mathematical calculations 1 Minimal transition 1 Off-grids 1 Population statistics 1 Renewable energy resources 1 Research institutes 1