As for the location, this particular turbine will travel on its foundation some 360 nautical miles, 1 week of towing from where it was assembled: It can operate at sea depths from 100 to 1000+ meters (3,280+ feet), and the company is already working on foundations that will carry new generation wind turbines with a nameplate capacity of up to 15 MW. From there, the combined structure will be towed to the test site, moored to the seabed with three anchor lines and connected to the electrical grid.” “a 3.6 MW wind turbine from Siemens Gamesa Renewable Energy will be mounted on the foundation at the quayside using a land-based crane. And the wind turbine? From the website (with many more photos): The keel is the triangle not painted yellow.
The mobile cranes give a good sense of the size. Photo credit: The TetraSpar Demonstrator Project ApS.Īs you can see in the photos above, the foundation is fully modular, and can be assembled relatively easily at the port grounds. This thing is huge! It will rise 166 meters (545 feet) above sea level when deployed with most of its foundation being submerged. Photos from the Tiesdal’s website brings things into perspective. Come to think of it, the highest point of land in Denmark is 173 meters (568 feet) above sea level! With one blade pointing straight up it was competing with the 200 meter (656 feet) high legs of the rig to be the tallest construction in the vicinity.
When I was standing on the helipad of the Maersk Interceptor drilling rig some 100+ meters (330 feet) above sea level looking straight over at the nacelle of the turbine, it was hard to make out its actual size. A couple of days ago I learned that it had headed out to sea with its course set to Stavanger, Norway.Ī story in local news media and information on the website of the company behind the project, Stiesdal Offshore Technologies A/S, made its mission clear. I noted a floating wind turbine next to the rig, and I was curious about where it was headed, and when. View of the TetraSpar Demonstrator Project as I entered the Maersk Interceptor drilling rigĪ couple of weeks ago I wrote a piece on my visit to a drilling rig that was being serviced at Grenaa port, Denmark.
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