This report is intended as a resource for policy makers in developing countries to make informed policy decisions about the whether, when and how of FITs and to support nationally appropriate policy measures to scale up renewable energy. The report is also intended to improve the understanding of the potential benefits and challenges for developing countries to design FITs as well as the factors influencing their success, more in depth from the policy and legal foci, whilst also analysing the funding and capacity implications. Throughout the report, FITs are construed as interacting with national energy and non-energy policies in a dynamic manner.