2015 was a record year for renewable energy installations. Renewable power generating capacity saw its largest increase ever, with an estimated 147 gigawatts (GW) added. This report by REN21 (Renewable Energy Policy Network for the 21st Century) is a comprehensive annual overview of the state of renewable energy. The ‘Renewables 2016 Global Status Report’ reveals that renewables are now firmly established as competitive, mainstream sources of energy in many countries around the world.