Renewable energy has grown rapidly in recent years, especially in the electricity sector where renewables now account for the largest power capacity additions globally. However, renewables still account for only just above 10% of final energy consumption and the energy sector remains dominated by fossil fuels. Renewables need to increase further and faster to bring about an energy transition that achieves climate targets, ensures energy access for all, reduces air pollution and improves energy security. These 20 recommendations provide guiding principles for policy-making, based on best practice observed across IEA member states and partner countries. They can be adapted to suit specific national and local circumstances.