Located at Semakau landfill, NTU' s REIDS is the region' s first offshore microgrid testbed which integrates multiple renewable energy sources to develop solutions to tackle regional electricity issues. On this platform, EDF, at the head of a consortium of French smart grids / smart cities companies, has designed, built and commissioned the MASERA demonstrator within one year, a record time for such a prototype, integrating various innovative solutions.