A three-bladed rotor has detached from a nacelle on one of the offshore wind turbines at the Anholt Offshore Wind Farm and fallen into the sea. Fortunately, no one was injured and the authorities have been notified, Ørsted said in a press release.
"We are currently investigating the cause of the incident, and as an extraordinary precaution, we are requesting the relevant authorities to issue a sailing ban in the areas where we have offshore wind turbines of the same type as those at Anholt, a 3.6-4 MW wind turbine from Siemens Gamesa," Ørsted wrote in a statement. It continues:
"The investigation has not yet identified a systemic cause for the problem, but we have taken this precaution as safety is our top priority. The operation of the offshore wind farms continues as normal under the relevant safety protocols, and customers in the relevant markets will not be affected."
The Anholt Offshore Wind Farm was commissioned in 2013 and consists of 111 3.6 MW offshore wind turbines from Siemens Gamesa. In addition to Anholt, sailing bans have been issued in the areas around the following offshore wind farms: West of Duddon Sands, Lincs, Gunfleet Sands, Burbo Bank and Walney 1 & 2, all in the UK, Borkum Riffgrund 1 in Germany and Avedøre Holme in Denmark.
This is the second time in Denmark this year that Ørsted has experienced major problems with one of its offshore wind turbines. Thus, a 110-meter-high wind turbine fell in January at the Nysted Offshore Wind Farm off Lolland. However, this is a different type of turbine than those at the Anholt Offshore Wind Farm.
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