Elia Presents its Plans for an Energy Island, which will be Called the Princess Elisabeth Island

Source: www.gulfoilandgas.com 10/3/2022, Location: Europe

In the presence of federal ministers Tinne Van der Straeten (Energy) and Vincent Van Quickenborne (North Sea), system operator Elia has presented its draft plans for what will be the world’s first artificial energy island.

The Princess Elisabeth Island will be located almost 45 km off the Belgian coast and will serve as the link between the offshore wind farms in the second offshore wind zone (which will have a maximum capacity of 3.5 GW) and its onshore high-voltage grid. The energy island will also be the first building block of a European offshore electricity grid that will serve as a central hub for new interconnectors with the UK and Denmark. The island is an innovative tour de force that once again puts Belgium on the map as a pioneer in offshore energy.

Belgium’s Maritime Spatial Plan (2020-2026) provides for the development of a new wind power production zone in the Belgian part of the North Sea: the Princess Elisabeth zone. In line with the Belgian Electricity Act, Elia is responsible for extending the transmission grid based on plans that must be approved by appropriate ministers. The draft plans for the first energy island are now ready and the tender process is being prepared.

A world first in the Belgian part of the North Sea
The Princess Elisabeth Island will be the world’s first artificial energy island. It will be an innovative tour de force that will combine both direct current (HVDC) and alternating current (HVAC). The island’s high-voltage infrastructure will bundle the wind farm export cables from the Princess Elisabeth zone together, while also serving as a hub for future interconnectors with the UK (Nautilus) and/or Denmark (TritonLink). These will be hybrid interconnectors that have a dual function and will therefore be more efficient. They will ensure the exchange of electricity between countries and will also be connected to gigantic offshore wind farms in the North Sea that will provide our country with large volumes of renewable energy.

A gateway to large amounts of renewable energy
The energy island will be located almost 45 kilometres off the coast and will occupy an area of approximately five hectares above the waterline. The artificial island will be constructed in the Princess Elisabeth wind zone and will be constructed from concrete caissons filled with sand. The island will mainly house transmission infrastructure that will be linked to new wind farms (which will have a maximum capacity of 3.5 GW) and will form part of connections to future interconnectors. A small harbour and helicopter pad are also due to be built for maintenance teams. In order to connect all future offshore installations to the Belgian high-voltage grid, 300 km of alternating current cables and 60 km of direct current cables will be needed. The energy island will rely on support from Belgium’s post-COVID-19 recovery plan, which Belgium asked the European Commission to approve, meaning it is due to receive a subsidy of around €100 million.

Timing
The tender process for the island is being prepared, as is the development of the environmental impact assessment, the preparation of the permitting procedure and the application for a concession of public space. The construction of the island is due to start in 2024 and the island should be completed in mid-2026. From then on, the construction of the electrical infrastructure on the energy island will start. The construction of future wind farms is being organised by the Government through a series of tenders. The connection of the wind farms to the Elia grid is linked to the commissioning of two onshore grid reinforcement projects: the Ventilus and Boucle du Hainaut. Elia aims to achieve full connection capacity by 2030.

The Princess Elisabeth Island constitutes a big leap forward for the energy transition. In addition to bringing 3.5 GW of additional offshore wind energy to shore, the island will also be the first link in a European offshore electricity grid. It will allow us to access the huge offshore wind potential that the North Sea still has to offer us. – Chris Peeters, CEO Elia Group

The plans for an energy island were developed as part of the recovery plan for Europe. The Federal Government has stepped up a gear in terms of offshore wind development. Thanks to the very first energy island, new interconnections, three new wind farms in the North Sea and the repowering of the first offshore wind zone, we are transforming the North Sea into one big green power plant. By quadrupling offshore wind capacity by 2040, we will reinforce our energy independence, reduce our energy bills and reduce our CO2 emissions. –Tinne Van der Straeten, Minister for Energy


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