The Cres-Lošinj archipelago is located in the Kvarner Gulf, in the Northern Adriatic Sea with a total surface of 503 km2. The average temperature in the islands ranges from 7,3 ºC in January to 23,8 ºC in July.
Regarding the distribution grid, Cres island included a meshed 10(20) kV grid counting with 2 35/10 kV and 1 35/20 kV substations, implying a total of 20 MVA, while Lošinj island includes three substations of 110/35 and 35/20 and 35/10 kV, respectively, with a total capacity of 64 MVA.
Both islands are connected to the mainland grid by a 110 kV submarine cable. Although Unije just count with 88 permament inhabitants, this number increases up to 200 during weekends and to more than 800 during holiday periods due tourism, specially in summer season. Finally, Unije counts with the Energy Self-Sufficient Island Plan.