This report informs policymakers and other stakeholders in the energy sector about the technology developments in renewable mini-grids. It also discusses how these technology developments could enable faster commercialization and large-scale deployment of renewable mini-grids. Information contained in the report is intended to help countries support their national objectives by expanding their renewable energy options. The authors also discuss the effective implementation of incentive programmes and policy actions for a transition towards a sustainable energy regime. Main sections of the report are titled, Types of Renewables-Based Mini-grids, Deployment Status and Costs, State-of-the-Art Technologies, Technology Gaps and Opportunities for Innovation, Prospects for Technology , Innovation, and The Role of Key Players in Driving Innovation.