B7 Baltic Islands Network B7 Baltic Islands Network B7 Baltic Islands Network is a transnational cooperation between the local administrations or governments of seven islands in the Baltic Sea. The network is made up of the local administrations or governments of the islands of Bornholm (Denmark), Gotland (Sweden), Hiiumaa (Estonia), Rügen (Germany), Saaremaa (Estonia), Åland Islands (autonomous part of Finland) and Öland (Sweden). The network has two decision-making bodies; a "steering committee", which is the politically responsible body, and a managing authority, called the "board". The cooperation is funded by member fees, which are according to population size. The network aims at promoting the
Bornholm Cable Bornholm Cable Bornholm Cable is one of the longest submarine three phase AC cables in the world. It is a 60 kV cable interconnecting the power grids of Bornholm and Sweden. The Bornholm Cable starts at 60 kV substation Hasle () and runs on its 1.4 kilometres as underground cable with a cross section of 400 square millimetres to the Baltic Sea, where the 43.5 kilometres long submarine cable section starts. At this section copper conductors with 240 square millimetres are used. From the landing point at Sweden it runs on a length of 700 metres as underground cable with