Danes expedite Hesselø investigations

In: Windfarms
03/07/2020
Energinet has received orders to initiate preliminary investigations for the Hesselø offshore wind farm and the establishment of a grid connection point on land. 

From 22 June 2020 it was decided that in addition to the two energy islands in the North Sea and at Bornholm, an independent offshore wind farm should also be established. This is the so-called "park 2" from the energy agreement 2018. Park 2 will be placed at Hesselø and the park must be advanced so that it is completed one year ahead of time, from 2028 to 2027. The Danish government requires that that Hesselø is completed at the same time as Thor offshore wind farm.

The schedule for the
Hesselø offshore wind farm has been advanced, which means that the feasibility studies in particular must be completed in a shorter time. This is possible because the park is located in Kattegat, which is less exposed to harsh winter weather than the North Sea. This means the feasibility study vessels can sail during the winter season.

As early as August, the Danish Energy Agency will submit a draft exploration permit to Energinet in consultation with the relevant authorities. The feasibility study permit will give Energinet the right to start collecting relevant information on the feasibility study area at sea, including cable corridors to land, and in particular environmental information.

Hesselø  is planned to be offered so that the concessionaire's opportunities to optimise both the use of the site and the value of the stream are improved. This means, among other things, that the spread in the set capacity is increased in relation to Thor offshore wind farm and that so-called transplantation of up to an additional 200 MW is allowed. 

Transplantation means that concession winners are allowed to set up more capacity than the 1,000 MW that can be delivered to the electricity grid at the grid connection point. The transplant is expected to help optimise the use of the cables inland, and concession winners can use the extra capacity to ensure a more continuous flow of power to the grid. It is up to the bidders to assess whether this will be financially attractive.

Concession winners will also be able to supply the power, including from the additional wind turbines, into a Power-to-X system or to a battery instead of directly to the grid.


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