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Wind power is stronger in the ocean than on land, hence the development of offshore wind in recent years. Until recently, because they were based on fixed structures, they could not be installed in very deep or complex seabed locations, something that has changed with the advent of floating structures. Wind turbines can now be installed on these platforms, which are anchored to the seabed by means of flexible anchors, chains or steel cables. (source: https://www.iberdrola.com/innovation/floating-offshore-wind)
Wind power is stronger in the ocean than on land, hence the development of offshore wind in recent years. Until recently, because they were based on fixed structures, they could not be installed in very deep or complex seabed locations, something that has changed with the advent of floating structures. Wind turbines can now be installed on these platforms, which are anchored to the seabed by means of flexible anchors, chains or steel cables. (source: https://www.iberdrola.com/innovation/floating-offshore-wind)
What is floating offshore wind energy
First of all, let us define what offshore wind energy is: it is a source of clean and renewable energy obtained by harnessing the power of the wind offshore, where it reaches a higher and more constant speed due to the lack of barriers. Its high potential and strategic added value, both at a socioeconomic and environmental level, make it one of the renewable sources that will play a crucial role in the decarbonisation process.
Floating offshore wind, based on floating structures rather than fixed structures, offers new opportunities and alternatives. Basically, it opens the door to sites further offshore by allowing the deployment of wind turbines in larger and deeper offshore areas with higher wind potential. It thus overcomes a stumbling block to providing clean, inexhaustible and non-polluting energy for a more sustainable planet.
Among the advantages of floating offshore wind are the potentially low environmental impact and the ease of manufacture and installation, as the floating turbines and platforms can be built and assembled on land and then towed to the offshore installation site. In addition, as noted above, they can take advantage of the strong winds blowing in the deeper areas, which improves energy efficiency. (source: https://www.iberdrola.com/innovation/floating-offshore-wind)
Types of structures
Types of structures
Floating offshore wind energy is based on floating platforms for wind turbines. The choice of one type or another will depend on sea and seabed conditions, the winds in the area, the size of the wind turbine, the depth of the harbours, the manufacturing facilities or the availability and price of materials and equipment.
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