TenneT

TenneT is a transmission system operator in the Netherlands and in a large part of Germany. TenneT B.V. is the national electricity transmission system operator of the Netherlands, headquartered in Arnhem. Controlled and owned by the Dutch government, it is responsible for overseeing the operation of the 380, 220 kV, 150 and 110kV high-voltage grid throughout the Netherlands and its interconnections with neighbouring countries. In Germany, its subsidiary TenneT TSO GmbH is one of the four transmission system operators. Formerly named Transpower, it was taken over and renamed in 2010. As of 2024, it operates +25.000 kilometres (15.534 mi) of lines and cables at 110 kV (NLD), 220 kV (GER) and above, connecting at 485 high-voltage substations, ~ 28.000 pylons and 43+ million end-users served across the Netherlands and Germany. Tennet also operates 19 offshore connections for a total of 12.2 GW offshore capacity. The sole shareholder is the Dutch Ministry of Finance.