TenneT TSO B.V. (Netherlands), Energinet.dk (Denmark) and TenneT TSO GmbH (Germany) will sign an agreement in Brussels on 23 March 2017 that will press ahead on developing a large renewable European electricity system in the North Sea.
TenneT unveiled its vision of the North Sea Wind Power Hub in June 2016 . The close cooperation with Energinet.dk is an important next step towards accomplishing this vision and the 2050 climate goals formulated in the Paris Agreement (COP21).
By developing the North Sea Wind Power Hub, TenneT and Energinet.dk want to make the energy transition both feasible and affordable. Central to the plan is the construction of one or more islands, so called Power Link Islands with interconnections to surrounding countries, in the middle of the North Sea (Dogger Bank):
- to which many wind farms can be connected (possibly 70,000 MW to 100,000 MW);
- from where the generated wind energy can be distributed and transmitted over direct current lines to the North Sea countries of the Netherlands, Denmark, Germany, Great Britain, Norway and Belgium;
- where transmission cables will simultaneously function as interconnectors between the energy markets of the aforementioned countries. Besides transmitting wind electricity to the connected countries, these ‘wind connectors’ will enable the countries to trade electricity;
- where wind conditions are optimal
– “This project can significantly contribute to a completely renewable supply of electricity in Northwest Europe. TenneT and Energinet.dk both have extensive experience in the fields of onshore grids, the connection of offshore wind energy and cross-border connections. TSOs are best placed to play a leading role in the long-term development of the offshore infrastructure. I am happy that we are going to take this step with our Danish colleagues and I look forward to the participation of other transmission system operators and possibly other partners”, says Mel Kroon, CEO of TenneT.
Peder Østermark Andreasen, CEO of Energinet.dk said: -“Offshore wind has in recent years proved to be increasingly competitive and it is important to us to constantly focus on further reduction in prices of grid connections and interconnections. We need innovative and large-scale projects so that offshore wind can play an even bigger part in our future energy supply”.
North Sea Wind Power Hub: vision
- Large wind farms way out at sea will connect to a Power Link, an island. Far-shore will become near shore and economies of scale will reduce costs.
- Direct current lines will double as interconnectors. The efficiency of these lines will increase significantly.
- Staff, components and assembly workshops can be stationed on the island, thus optimising and simplifying complex offshore logistics.
- The Dogger Bank area has excellent wind consitions which optimizes efficiency and affordability.
- The area is relatively shallow. The shallower the water, the lower will be the cost of building the wind farms and the island.
- An island in an area with a lot of space will provide the scale necessary to reduce costs (through economies of scale).