Denmark's Energy Islands The world’s first energy islands will be constructed in Denmark, exploiting our immense wind resources in the North and Baltic seas. The energy islands will serve as hubs that can create better connections between energy generated from offshore wind and the energy systems in the region around the two seas. Energy island in the North Sea Read about the energy island that will be located west of Jutland in the North Sea at a distance of approx. 80 km from the town of Thorsminde.