Oil firm Shell , energy company Innogy and wind turbine maker Siemens Gamesa Renewable Energy are joining forces in the $21m ( €18m ) development of the TetraSpar floating foundation concept for offshore wind turbines. Hans Bünting said “These are exciting times. They said the TetraSpar offered streamlined manufacture, assembly and installation and they will demonstrate it using a 200 Shell turbine 10 km offshore in 200 m water off the Norwegian coast. It will be built and assembled in Stavanger .
Oil firm Shell , energy company Innogy and wind turbine maker Siemens Gamesa Renewable Energy are joining forces in the $21m ( €18m ) development of the TetraSpar floating foundation concept for offshore wind turbines. They said the TetraSpar offered streamlined manufacture, assembly and installation and they will demonstrate it using a 200 Shell turbine 10 km offshore in 200 m water off the Norwegian coast. It will be built and assembled in Stavanger .