Global Energy Scenariothrough 2050 600 800 1000 1200 1400 1600 400 200 0 Year Primary energy rate [EJ/a] 2000 2010 2020 2030 2040 2050 2100 Geothermal Other renewables Solar thermal (heat only) Solar power (photovoltaics and solar-thermal power plants) Wind Bio-mass (modern) Bio-mass (traditional) Hydroelectric power Nuclear power Gas Coal Oil