“…Gotland is involved in a number of governmentally funded initiatives investigating the energy transition potential of the island [ 12 , 17 ] as well as specific steps for transition like investigation of storage alternatives [ 18 ] and smart grid technologies [ 19 ]. A good deal of consideration has also been given to the potential methods to increase La Réunion's renewable energy sources (RES) utilization [ [20] , [21] , [22] ], including technical paths to achieving energy autonomy [ 23 , 24 ]. Research for the island of Mallorca has largely focused around improving the sustainability of its tourism industry [ [25] , [26] , [27] ].…”