RWE Deploys First Siemens Gamesa Recyclable-Blade Turbine at 1.1 GW Thor Offshore Wind Farm
RWE has installed the world’s first offshore wind turbine featuring low-carbon steel tower and recyclable rotor blades from Siemens Gamesa at the 1.1 GW Thor project in Denmark. A total of 72 turbines (up to 15 MW each) will be installed by the end of 2026, with half using low-carbon steel towers and 40 turbines fitted with 120 recyclable rotor blades.
April 11, 2026. By Mrinmoy Dey
In total, 72 wind turbines, each with a capacity of up to 15 MW, will be installed by the end of 2026. Half of them will be equipped with steel towers produced with a lower carbon footprint, while 40 turbines will feature a total of 120 recyclable rotor blades, the company said in a statement.
RWE will be using Siemens Gamesa’s GreenerTower in the project. The tower plates are made from steel that produces at least 63 percent lower CO₂ emissions than conventional steel. The certified production process limits emissions by using renewable-powered furnaces and scrap steel, for example.
In addition, Thor will feature Siemens Gamesa’s recyclable rotor blades. Thanks to an innovative resin, the composite materials in these blades can be separated and reused, for instance, in new casting applications in the automotive or consumer goods industries. RWE is already using recyclable rotor blades at its offshore wind farms Kaskasi in Germany and Sofia in the UK, the company said.
Sven Utermöhlen, Chief Executive Officer, RWE Offshore Wind, said, “Offshore wind already has one of the lowest life-cycle carbon footprints of power generation technologies. At RWE, our ambition is to go even further. By using towers produced with greener steel and recyclable rotor blades, we are further reducing the carbon footprint and taking a significant step towards fully circular offshore wind.”
Marc Becker, Senior Vice President of Siemens Gamesa Offshore, said, “This world-first is about moving circularity from promise to practice. RecyclableBlade is designed to enable composite materials to be recovered and recycled, addressing a growing end-of-life challenge. Together with GreenerTower, which lowers the carbon footprint of steel and reduces overall turbine emissions by around 20 percent, we are proving that sustainability can be delivered at scale in offshore wind, with safety, quality and certainty.”
Thor offshore wind farm is a joint project between RWE (51 percent) and Norges Bank Investment Management (49 percent). RWE is in charge of construction and operations throughout the lifecycle of Thor. When fully operational in 2027, Thor will be capable of producing enough green electricity to supply the equivalent of more than one million Danish households, the company said.
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