Oil firm Shell , energy company Innogy and wind turbine maker Siemens Gamesa Wind Energy are joining forces in the € 18 million ( $ 21 million ) development of the TetraSpar floating foundation concept for offshore wind turbines . They claim the TetraSpar offered streamlined manufacture , assembly and testing and they will demonstrate it using a 3.6 MW Siemens Gamesa Renewable Energy turbine 10 km offshore in 200 m water off the Norwegian coast . The partners will be part of a project team that will gain detailed, practical insights into the construction, installation and operation of the TetraSpar concept as well as detailed performance data. It will be built and assembled in Denmark .
Oil firm Shell , energy company Innogy and wind turbine maker Siemens Gamesa Wind Energy are joining forces in the € 18 million ( $ 21 million ) development of the TetraSpar floating foundation concept for offshore wind turbines . They claim the TetraSpar offered streamlined manufacture , assembly and testing and they will demonstrate it using a 3.6 MW Siemens Gamesa Renewable Energy turbine 10 km offshore in 200 m water off the Norwegian coast . It will be built and assembled in Denmark .