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The vision: TwinWind floating offshore wind farm
take over the project specific engineering, planning and fabrication, including management of the installation. Worley will assume full responsibility for the fabrication phase, which is planned to commence during the autumn of 2022. Rosenberg Worley, Worley’s Norwegian fabrication yard, will complete the fabrication. During the initial phase of the project Hexicon has received a statement of feasibility and certification report from DNV.
Marcus Thor, CEO of Hexicon said: “After years of development, numerical analyses and physical model testing, we are now putting the final pieces in place to deploy the full-scale version of our patented design…Worley is a well renowned tier one contractor in the renewable sector, and I’m thrilled that their deep competence and infrastructure will be engaged as TwinWind becomes a reality.”
Another recent significant partnership entered into by Hexicon is that with Elia Grid International (EGI) (“global consultancy company specialised in complex power system challenges”) focused on optimising grid connections for floating offshore wind. The two companies say they plan “to develop concepts and projects to integrate large scale floating offshore wind parks into onshore power systems.”
The 5-year long co-operation consists of two phases, covering the provision of advanced expertise during both the pre-development and the development phases of projects. Work began in June 2022.
Integrating the power produced by “conventional” offshore wind farms into the onshore electricity grid is becoming increasingly challenging, notes Hexicon, and “due to the technical complexities of floating offshore wind, this applies even more.”
In solving the technical challenges related to grid connection of floating offshore projects, EGI and Hexicon say they want to turn floating
offshore wind into an attractive proposition for investors, “allowing the industry to venture further into deeper waters and benefit from much stronger winds to generate more power”, with “potential geographies for the co-operation including the Mediterranean as well as the Baltic and Atlantic Sea basins.”
In April 2022, Hexicon reported that it had created a joint venture, Hexicon Power SA, in Greece, with EAMAA, seen as a first step to start the development of floating offshore wind projects off the coast of Greece. “Greece has great potential for floating offshore wind power with some of the best winds in Europe”, said Marcus Thor. With a continuously expanding energy grid and rising energy demand, Greece has become an increasingly important market for global renewable energy development, says Hexicon. In line with the country’s overall economic recovery strategy, Greece now seeks to promote renewables, including offshore wind parks, to reduce its traditional reliance on fossil fuels. The government has made green energy one of its top priorities and has implemented a new national plan setting some of the most ambitious goals in the EU, such as generating 60% of its electricity mix from renewables by 2030. The JV is said to be in line with Hexicon’s strategy to be an early-stage developer in key markets globally, where the company teams up with local partners.
Another example of this is Italy, where Hexicon has created a 50-50 joint venture with Avapa Energy, called AvenHexicon – with the aim of developing floating wind power projects in Italian waters. In addition, Hexicon will license its patented TwinWind technology to AvenHexicon for use in its projects and by third parties. Hexicon sees Italy as a key market in Europe for floating wind power.
Based in Bologna, Avapa Energy has many years of experience of developing solar and wind
24 | September 2022|
www.modernpowersystems.com Above: Subsea view of TwinWind platform
parks on land and is said to have “the know-how and local knowledge that match Hexicon’s profile in floating wind power.”
A priority for AvenHexicon is to identify suitable sites for floating wind power parks Italy in order to initiate the necessary permit processes as soon as possible.
At first glance the TwinWind concept looks similar to other two-turbine floating wind concepts proposed over the years, but the European Patent Office (EPO) has confirmed its intention to grant Hexicon a European patent for the company’s floating wind power platform with two tilted towers. According to Hexicon, EPO also examined a third-party submission, similar to the objection filed against the patent already granted in Sweden, and “did not find it relevant.” The patent has previously been granted in South Africa as well as Sweden and South Africa. In June 2021, an objection to the granted patent in Sweden was submitted to the Swedish intellectual property office (PRV). This was described in an additional prospectus prior to Hexicon’s listing on Nasdaq First North Growth Market. After consultation with the company’s patent attorney and “in the light of the fact that the objection essentially referred to already known documentation”, an assessment was made that “the objection would not be successful.”
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