In June, the Danish Energy Agency put the tender for the Hesselø Offshore Wind Farm on hold due to poor conditions. Later, it was announced that it was looking for alternative locations to locate the wind farm. These alternatives may well become necessary, believe several experts, whom Ingeniøren has asked to assess the analyses published by the Danish Energy Agency.
- A normal wind turbine foundation will go down to around 20-30 meters, but based on these values, there will be very, very little support at this depth, says associate professor at DTU Byg's section for geotechnics and geology, Thomas Guldborg Petersen, who estimates that it will be possible to make deeper foundations, but that considering the economics of offshore wind projects, there is "little likelihood that this will be an issue".
Several other experts, whom the media has spoken to, state that the bottom conditions are not only a problem in the long term. During the construction of the turbines, the establishment of jack-ups will also be made difficult by the bottom conditions. In addition, the cables that will connect the park to land could in practice end up floating freely in the soft bottom.
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