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Danes identify 18 GW of potential offshore wind

By: Tom Russell 05/06/2020 Danish Energy Agency

General Windfarms

COWI, on behalf of the Danish Energy Agency (DEA), has conducted a fine screening of Danish sea areas to investigate the possibility of establishing offshore wind farms within specific selected areas. Combined, these areas have the potential to facilitate up to 18 GW of offshore wind.

For the individual parks, which are updating from a similar screening in 2018, the areas are North Sea I (south of the upcoming offshore wind farm Thor), Hesselø and Kriegers Flak II and a larger area further out in the North Sea, and near Bornholm. The screening has been to confirm that it is practically possible to establish offshore wind farms with precise locations in the specified areas and to provide financial calculations for comparing the locations.

The North Sea I site covers a 3174 km² area and has the potential to host three wind farms, each with a 1 GW capacity. Hesselø covers a 247 km² area and could host a 1 GW array. Kriegers Flak II has been divided into to separate areas, designated as North and South, covering a 173 km² area. These combined could support up to 1 GW.
Two areas of Bornholm, Bornholm I and Borholm 2, cover an area of 270 km² and 568 km² each respectively. They could facilitate the installation of between 2-3 GW of offshore wind turbines.

Sites further from shore include North Sea 2 and North Sea 3. Combined with a site to the west, it could host up to 10 GW of offshore wind with a stage approach to development.

Overall, the screening shows that it is possible to establish offshore wind farms in all the screened areas in relation to suitable seabed, environmental conditions or coincidence with human interests. However, it is recommended that in sub-areas of Bornholm and Kriegers Flak, a more detailed analysis of the sensitivity of selected bird species in relation to their impact in the production of offshore wind, should be carried out. cables, pipelines and existing sea routes.

The results from the fine screening will form part of the further preparatory work on the development of offshore wind in Denmark, including contributing to informing the basis for making a decision on closer placement.

Denmark has over 1,700 MW of offshore wind power in operation including the recently commissioned Horns Rev 3 project. Kriegers Flak is under construction with the installation of the foundations expected to run into the autumn this year. The installation of turbines is scheduled to start in 2021.

Later this year, the Danish government will issues a formal contract notice to officially launch the tendering process and pre-qualification phase for the Thor offshore wind farm. A concession winner is expected to be chosen by the end of 2021. The 800-1000 MW Thor wind area is located 20 km off the West Coast of Jutland in North Sea and will be the first of three projects included in the 2018 Energy Agreement to be built over the next decade.

For more information on offshore wind farms worldwide, click here.

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Danes identify 18 GW of potential offshore wind

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