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This report by the Rocky Mountain Institute (RMI) and Carbon War Room profiles 10 case studies of islands and remote communities transitioning from oil-dependent electricity systems to renewable microgrids. It identifies the drivers of change, technical and administrative challenges, and lessons learned to provide a roadmap for other isolated communities seeking to reduce costs and oil dependence through wind, solar, hydro, and energy storage.

King Island, Tasmania, is implementing the King Island Renewable Energy Integration Project (KIREIP) to transition from diesel-based power to a high-renewables system. By integrating wind, solar, a large-scale UltraBattery, and D-UPS generators, the island has achieved periods of 100-percent-renewable power and significantly reduced diesel consumption. Additionally, the proposed TasWind project aims to export large-scale wind energy to mainland Australia.