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In the quest to bring down the cost of offshore wind, Norwegian companies are innovating on several fronts, including cutting-edge floating foundation designs.
Most wind energy experts agree: Floating offshore wind holds great promise, but costs must drop dramatically if floating solutions are to become economically competitive. A global leader in the field, Norway’s floating wind industry continues to develop technology – especially foundations – to do precisely this.
“Norway has the technology to reduce the levelised cost of energy (LCOE) of floating offshore wind,” states Klaus Udesen, a 30-year Danish offshore wind veteran, now a wind industry expert for Norwegian Energy Partners (NORWEP), a non-commercial, public-private organisation promoting the internationalisation of the Norwegian energy industry.
Ten offshore wind companies will present unique concepts for floating wind foundations at WindEnergy Hamburg, at the Norway Pavilion, on Tuesday, 24 September, 14:30-16:00. See the full Team Norway programme at WEH.
Floating: A rapidly evolving technology
New Norwegian floating foundation concepts target floating wind’s number one challenge: the high LCOE compared to other forms of wind energy. The thought is that high costs are likely a temporary problem that can be solved through ongoing innovation. While floating wind technology is still young, its potential is much greater than mature bottom-fixed wind, as 80 per cent of the world’s offshore wind resources are located in deep waters, suitable only for floating foundations.
“The concepts are excellent, very well thought through,” Klaus Udesen confirms.
Scalability is one key to cost reduction. This is why modularity, automation and serial production are features of Norwegian designs by BWO Ideol, Clovers, Archer Wind and Ocean Ventus. Another company with scalability in focus, Odfjell Oceanwind was recently selected to provide its semisubmersible foundation to GoliatVIND, a 75 MW demonstration project for floating offshore wind.
In addition, a concept by Wind Catching Systems maximises the efficient use of acreage, while a floating platform from Flex2Power combines wind, wave and solar energy production. Other companies presenting their designs include AMON Wind, Green Floating Marine Structures and World Wide Wind.
A proven track record of innovation in harsh sea conditions
Much of Norway’s floating wind expertise comes from the Norwegian offshore oil and gas industry, which is unique in Europe. No other country rivals Norway’s know-how when it comes to installing, operating and maintaining massive structures, far from shore, in the most extreme conditions.
“Norwegians have been doing operations and maintenance (O&M) in the North Sea for decades, so they understand the difficulties that also apply within floating offshore wind,” explains Udesen. “They know that the design of floaters must enable O&M to be done while at sea, in high wind and waves.” |
